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WCSP-Packaged bq24160/161/163/168 Evaluation Module

1. ene nennen nnne 11 4 Bill of Materials and Board Layout I He ne hm nn nne nn nnn nnn 12 4 1 Material 12 4 2 Board dE reri pec 14 List of Figures 1 bq24160 161 163 168EVM HPA721 Schematic 3 2 BAT PR1010 6 3 Gorinections or HPAI isecimscslontesniedsitinlaiettemecaumithniecesnuesemonmatniudwleniadednwedendtwamiaciibaeas 8 4 Original Test Setup for bq24160 161 163 168EVM 721 8 5 Main Window of bq2416xSW Evaluation 9 6 Assembly LAV eem 14 7 t 14 8 First Internal Layer ___ _ ________ 15 9 second Payer 15 10 Bottom Lay Oli tc 16 List of Tables 1 Materials AP A721 12 is a trademark of Philips Electronics N V SLUU496 December 2011 WCSP Packaged bq24160 161 163 168 Evaluation Module 1 Submit Documentation Feedback Copyright 2011 Texas Instrument
2. Set Charge Current to 1000 mA e Click the READ button at the top of the window and confirm that the previous settings remain For the bq24160 EVM enable PS 2 and adjust PS 2 so that the voltage measured by VM 2 across BAT and GND measures 3 2 V 50 mV For the bq24161 163 168 5 enable PS 2 and adjust PS 2 so that the voltage measured by VM 2 across BAT and GND measures 2 5 V 50 mV Adjust the power supply so that VM 1 still reads 6 V 100 mV if necessary then Measure CM 2 lecura 1000 mA 100 mA Measure ly 700 mA 70 mA 10 Turn off PS 1 and PS 2 N noo Ro Charge Voltage and Current Regulation of USB Ensure that the Section 2 3 steps are followed Connect the output of Power Supply 1 PS 1 in series with current meter multimeter 1 CM 1 to J8 and J11 or J9 USB GND Connect a voltage meter 1 VM 1 across J8 or TP4 and 11 or TP8 USB GND Move JP5 to HI Turn on PS 1 and PS 2 if used Return JP5 to LO Software setup Press the READ button to obtain the current settings Set Write On Change to ON if not already set Set Reset Watchdog Timer to update every 5 seconds Set Supply Precedence to USB if not already set Uncheck Disable Charging if checked Check Enable STAT INT Outputs Set Battery Regulation Voltage to 4 20 V Set USB Input Current Limit to 1500 mA Set Charge Current to 1000 mA e Click the RE
3. Test points for key signals available for testing purposes Easy probe hook up WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated X TEXAS INSTRUMENTS Introduction www ti com 1 3 Schematic AJ ebupJ N uonpupjdxe 10 ees y SON DA 10 WO 295 V JOU san pA j 51 WV SAS 31v9 135 aivoa 3198 V SAS 5 0 YGZ 1v8 ij 1 jnie o 69 X 3ivo8 NIX AMG pa 9 7208 in i T 85 6 V L asn asn NI NI EDGE tdl vr 021 M Mees 2 X su tdl d IN X o 0 81 1X3 E SL Figure 1 bq24160 161 163 168EVM 721 Schematic 3 WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated Introduction TEXAS INSTRUMENTS www ti com NOTE EVMs with a printed circuit board label that contain the suf
4. then turn off PS 2 4 Connect the output side of the battery or Load in series with current meter multimeter 2 CM 2 to J2 and J6 or J3 BAT GND Ensure that a voltage meter is connected across J2 or TP3 and J6 or TP9 BAT GND 5 Connect VM 3 across J10 or TP7 and J14 or TP9 SYS GND Connect VM 4 across J15 or TP5 and J14 or TP9 DRV GND 7 Connect J17 to HPA172 kit by the 10 pin ribbon cable Connect the USB port of the HPA172 kit to the USB port of the computer The connections are shown in Figure 3 9 SLUU496 December 201 1 WCSP Packaged bq24160 161 163 168 Evaluation Module 7 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS Test Summary www ti com D E T O 3 S 10 pin Ribbon Cable Computer USB port Figure 3 Connections of HPA172 Kit 8 Ensure jumpers are at the default factory settings per Section 1 6 9 After the preceding steps have been performed the test setup for HPA721 is configured as is shown in Figure 4 Windows PC VM 4 Figure 4 Original Test Setup for bq24160 161 163 168EVM HPA721 8 WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Test Summary 10 Turn on the computer Open the bq
5. products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulat
6. 00 Test Point Red Thru Hole Color Keyed 0 100 x 0 100 inch 5000 Keystone TP6 TP7 TP10 2 2 2 2 TP8 TP9 5001 Test Point Black Thru Hole Color Keyed 0 100 x 0 100 inch 5001 Keystone 3 3 TP11 TP12 TP13 5002 Test Point White Thru Hole Color Keyed 0 100 x 0 100 inch 5002 Keystone 1 1 U1 BQ24160YFF IC 2 5A Dual Input Single Cell Switch mode Li lon QFN3 3X3 3mm BQ24160YFF TI BATTERY CHARGER with 12 WCSP Packaged bq24160 161 163 168 Evaluation Module Copyright 2011 Texas Instruments Incorporated SLUU496 December 2011 Submit Documentation Feedback 1 TEXAS INSTRUMENTS www ti com Bill of Materials and Board Layout Table 1 Bill of Materials HPA721 continued Count RefDes Value Description Size Part Number MFR 001 002 003 004 0 1 U1 BQ24161YFF IC 2 5A Dual Input Single Cell Switch mode Li lon QFN3 3X3 3mm BQ24161YFF TI BATTERY CHARGER with 0 0 1 Jo U1 BQ24168YFF IC 2 5A Dual Input Single Cell Switch mode Li lon QFN3 3X3 3mm BQ24168YFF TI BATTERY CHARGER with 0 0 o U1 BQ24163YFF IC 2 5A Dual Input Single Cell Switch mode Li lon QFN3 3X3 3mm BQ24163YFF TI BATTERY CHARGER with 4 5 5 4 Shunt 100 mil Black 0 100 929950 00 3M SLUU496 December 201 1 WCSP Packaged bq24160 161 163 168 Evaluation Module 13 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated TEXAS INST
7. 1 Users Guide TEXAS SLUU496 December 2011 NSTRUMENTS WCSP Packaged bq24160 161 163 168 Evaluation Module The bq24160 161 163 168 evaluation module is a complete charger module for evaluating compact flexible high efficiency USB friendly switch mode charge management solution for single cell Li ion and Li polymer batteries used in a wide range of portable applications Contents 1 seve 1 1 642416 IC Features D 2 1 2 24160 161 163 168 EVM Features aaa aaa 2 1 3 Regulae 3 1 4 eR e EEE EE E E 4 1 5 Test POMS x 4 1 6 Goritrol Key Parameters Seltirig eae eS 5 1 7 Recommended Operating Conditions n nene enne nnn 5 2 Test SUMMA m X 5 2 1 DEMONS ei c a F 2 2 Recommended Test Equipment ee eneeeneneneneneneeeanonasenenenenenersnsensenenener 6 2 3 Recommended Test Equipment Setup 7 2 4 Recommended Test Procedure E 9 3 Printed Circuit Board Layout Guideline eee
8. 2416x evaluation software The main window of the software is shown in Figure 5 7 Texas Instruments BQ2416x EVM GUI 1 0 0 4 gt IN Supply Status Supply USB Supply Status USB Supply W eak 058 Supply Connected USB Supply lt VUVLO Battery Status Battery Present and Normal Battery OVP Battery Not Present Battery Temperature Status or TNTC gt THO TCOOL gt TNTC gt TCOLD TWARM TNTC THOT Min Sys Voltage Mode NOT ACTIVE Input DPM Mode NOT ACTIVE Controls Settings Enable STAT INT Outputs Enable Charge Termination Disable Charging Enable High Impedence Mode Force D D Detection Enable 2x Timer Enable Battery Good Output Enable TS Function Enable OTG Lookout Reset Watchdog Timer OFF 120 Activity R Reg 07 00 count 8 IN Input Curent Limit 15 IN Input DPM Threshold 4 207 USB Input Current Limit 100 USB Input DPM Threshold 4 207 Battery Regulation Voltage 3 50V Charge Curent 550 00 m Termination Current 50 Supply Precedence IN Safety Timer Time Limit 27 minutes Reset Registers to Default User Registers Status Control Battery Supply Status 01h Control 02h Control Battery Voltage 03h A Vender Part Revision 04h Battery Termination Fast Charge Current 05h H VIN DPM Valtage DPPM Status 06h Safety Timer NTC Monitor 07h e
9. 61 and bq24163 have the watchdog timers enabled it is recommended that you set the software s Reset Watchdog Timer to reset every 5 seconds Otherwise after 30 seconds of operation the IC enters Default mode Note that the 27 minute safety timer is not reset by this function and eventually times out if charging does not complete unless the Safety Timer Time Limit is expanded or disabled via the GUI One way to reset the safety timer is to allow the 30 second watchdog timer to expire See Figure 3 in the data sheet for more information about the timers Also it is generally helpful to activate the Write On Change functions in the upper left of the GUI window to ON The Write On Change function writes any changes to the GUI s check boxes drop down boxes and registers to the IC Otherwise the user must click the WRITE button to write changes to the software It is recommended that the user periodically click the READ button to find the IC s instantaneous status Alternatively the AutoRead function can be activated to periodically update the GUI with the IC s status Recommended Test Equipment Setup 1 For all power connections use short twisted pair wires of appropriate gauge wire for the amount of the current 2 Set Power Supply 1 PS 1 for 6 V 3 A current limit and then turn off supply 3 If BAT Load is the circuit shown in Figure 1 connect Power Supply 2 PS 2 set to approximately 3 6 V to the input side PS 2 of BAT Load
10. AD button at the top of the window and confirm that the previous settings remain For the bq24160 EVM enable PS 2 and adjust PS 2 so that the voltage measured by VM 2 across BAT and GND measures 3 2 V 50 mV For the bq24161 163 168 EVMs enable PS 2 and adjust PS 2 so that the voltage measured by VM 2 across BAT and GND measures 2 5 V 50 mV Adjust the power supply so that VM 1 still reads 6 V 100 mV if necessary then Measure CM 2 lcag 1000 mA 100 mA Measure ly 700 mA 70 mA 10 Turn off PS 1 and PS 2 1 Helpful hints To observe the taper current as the battery voltage approaches the set regulation voltage allow the battery to charge or if using Load PR1010 slowly increase the PS 2 voltage powering Load PR1010 Use VM 2 across BAT and GND to measure the battery voltage seen by the IC WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com 2 3 Printed Circuit Board Layout Guideline To observe the function lower the current limit on PS 1 To observe battery supplement mode apply a resistive load across SYS and GND that is higher than the maximum charge current 3 Printed Circuit Board Layout Guideline 1 2 To obtain optimal performance the power input capacitors connected from the PMID inpu
11. RUMENTS Bill of Materials and Board Layout www ti com 42 Board Layout Sooo lS oao Go j 4 Figure 7 Top Layer 14 WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Bill of Materials and Board Layout u o E 4 Figure 9 Second Internal Layer SLUU496 December 2011 WCSP Packaged bq24160 161 163 168 Evaluation Module 15 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Bill of Materials and Board Layout www ti com Figure 10 Bottom Layer 16 WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated Evaluation Board Kit Important Notice Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerat
12. able low for normal operation _ JP5 2 3 CD HI Charge disable high to disable charge and enter Hi Z mode be CD LO 1 7 Recommended Operating Conditions Min Typ Max Unit Supply voltage Vin Input voltage from ac adapter bq24160 161 163 4 2 10 V Supply voltage Vin Input voltage from ac adapter bq24168 4 2 6 V USB voltage Input voltage from USB or equivalent supply 4 2 6 V System voltage Vsys Voltage output at SYS terminal bq24160 161 168 depends 3 3 VBATR V on VBAT voltage and status of EG 4 17 System voltage Vsys Voltage output at SYS terminal bq24163 depends on VBAT 3 1 VBATR V voltage and status of Vinopm EG 4 17 Battery voltage Voltage output at VBAT terminal registers set via 12C 3 4 2 4 44 V communication Supply current Maximum input current from ac adapter input registers set 1 5 2 5 A via 122 communication Supply current Maximum input current from USB input registers set via 22 0 1 0 5 1 5 A communication Fast charge current Battery charge current registers set via I2C communication 0 550 2 5 A Operating junction temperature range 40 125 C 2 Test Summary This procedure describes one test configuration of the HPA721 evaluation board for bench evaluation 2 1 Definitions The following naming conventions are followed VXXX External voltage supply name VADP VBT VSBT LOADW External load name LOADR LOADI V TPyyy Voltage at i
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14. e oceo 2 2 2 eceoeccce osc eceooocooeo oo cw ec cn eeecocec cccccococco Figure 5 Main Window of bq2416xSW Evaluation Software 2 44 Recommended Test Procedure The following test procedure may be useful for evaluating the charger IC outside of a real system if no battery is available to connect to the output and a simulated battery if needed 2 4 1 Charge Voltage and Current Regulation of IN 1 Ensure that the Section 2 3 steps are followed m J4 and J7 or J5 IN GND Move JP5 to HI Return JP5 to LO Software setup Press the READ button to obtain the current settings SLUU496 December 201 1 Submit Documentation Feedback Turn on PS 1 and PS 2 if used Connect the output of Power Supply 1 PS 1 in series with current meter multimeter 1 CM 1 to Connect voltage meter 1 VM 1 across J4 or TP1 and J7 or TP8 IN GND WCSP Packaged bq24160 161 163 168 Evaluation Module 9 Copyright 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS Test Summary www ti com 2 4 2 2 4 3 Set Write On Change to ON if not already set Set Reset Watchdog Timer to update every 5 seconds Set Supply Precedence to IN if not already set Uncheck Disable Charging if checked Check Enable STAT INT Outputs Set Battery Regulation Voltage to 4 20 V Set IN Input Current Limit to 2 5 A
15. er is not exclusive TI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM Warnings and Re
16. eramic 10V X5R 10 603 Std Std 2 2 2 2 D1 D2 Green Diode LED Green 2 1 V 20 mA 6 mcd 603 LTST C190GKT Liteon 6 6 6 6 J1 J3 J5 J9 J13 J16 ED555 2DS Terminal Block 2 pin 6 A 3 5mm 0 27 x 0 25 ED555 2DS OST 1 1 1 1 J12 UX60 MB 5ST Connector Recpt USB B Mini 5 pins SMT 0 354 X 0 303 Inches UX60 MB 5ST Hiroise Electrical Co 1 1 1 1 J17 N2510 6002 RB Connecter Male Straight 2x5 pin 100mil spacing 4 0 338 x 0 788 inch N2510 6002 RB 3M al 9 9 9 9 J2 J4 J6 J7 J8 J10 J11 PECO2SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins J14 J15 3 3 3 3 JP1 JP2 JP5 PECOSSAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PECO3SAAN Sullins 1 1 1 1 PECO2SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins 0 1 1 0 JP4 PECO3SAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PECO3SAAN Sullins 1 1 1 1 1 1 5uH Inductor SMT 3 5A 70 mW 4 1x4 4 mm SPM4012T 1R5M TD Alternate Toko Alternate FDSD0415 H 1R5M 1 1 1 1 Q1 CSD25401Q3 MOSFET PChan 20V 60A 8 7 QFN3 3X3 3mm CSD25401Q3 TI 1 1 1 1 R1 1870 Resistor Chip 1 16W 196 603 Std Std 1 1 1 1 R2 50 0k Potentiometer 3 8 Cermet 12 Turn 0 25x0 17 inch 3266W 1 503LF Bourns 1 1 1 1 R3 4120 Resistor Chip 1 16W 196 603 Std Std 1 0 0 1 R4 0 Resistor Chip 1 16W 196 603 Std Std 2 2 2 2 R5 R6 1 50K Resistor Chip 1 16W 196 603 Std Std 2 2 2 2 R7 R8 200 Resistor Chip 1 16W 196 603 Std Std 8 8 8 8 TP1 TP2 TP3 TP5 50
17. fix may have been assembled with incorrectly marked ICs Regardless of the IC s marking the EVM was assembled with the correct part number as specified in the EVM bill of material 1 4 I O Description Header Terminal Block Description J1 TS External thermistor positive terminal J1 GND Ground terminal for external thermistor J2 BAT Battery positive header J3 BAT Battery positive terminal J3 GND Battery negative terminal J4 IN Adapter positive header J5 IN Adapter positive terminal J5 GND Adapter negative terminal J6 GND Battery negative terminal J7 GND Adapter negative terminal J8 USB USB positive header J9 USB USB positive terminal J9 GND USB negative terminal J10 SYS System output positive header J11 GND USB negative header J12 USB Miniconnector J13 SYS System output positive terminal J13 GND System output negative terminal J14 GND System output negative header J15 DRV DRV reference voltage positive header J16 DRV DRV reference voltage positive terminal J16 GND DRV reference voltage negative terminal J17 USB TO GPIO box connector 1 5 Test Points Test Point Description TP1 Kelvin to VIN TP2 STAT TP3 Kelvin to BAT TP4 Kelvin to USB 5 DRV TP6 INT TP7 Kelvin to SYS TP8 GND 9 GND TP10 SW TP11 SCL TP12 SDA TP13 TS 4 WCSP Packaged bq24160 161 163 168 Evalua
18. gregated minimizes coupling between signals The high current charge paths into IN USB BAT SYS and from the SW pins must be sized appropriately for the maximum charge current in order to avoid voltage drops in these traces The PGND pins must be connected to the ground plane to return current through the internal low side FET For high current applications the balls for the power paths must be connected to as much copper in the board as possible This allows better thermal performance because the board conducts heat away from the IC SLUU496 December 201 1 WCSP Packaged bq24160 161 163 168 Evaluation Module 11 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS Bill of Materials and Board Layout www ti com 4 Bill of Materials and Board Layout 4 1 Bill of Materials Table 1 Bill of Materials HPA721 Count RefDes Value Description Size Part Number MFR 001 002 003 004 2 2 2 2 C1 C3 1 Capacitor Ceramic 25V X5R 10 603 Std Std 2 2 2 2 C2 C5 1 Capacitor Ceramic 6 3V X5R 10 402 Std Std 1 1 1 1 C4 C12 47 Capacitor Ceramic 6 3V X5R 10 1206 Std Std 0 0 0 0 C6 C10 Open Capacitor Ceramic 1206 Std Std 2 2 2 2 C7 C8 4 7 UF Capacitor Ceramic 25V X5R 10 805 Std Std 1 1 1 1 C9 0 01 uF Capacitor Ceramic 16V X7R 1096 603 Std Std 1 3 1 1 C11 10 Capacitor C
19. ions including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the us
20. nternal test point TPyyy For example V TP12 means the voltage at TP12 V Jxx Voltage at header Jxx SLUU496 December 201 1 WCSP Packaged bq24160 161 163 168 Evaluation Module 5 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS Test Summary www ti com V TP XXX Voltage at test point XXX For example V ACDET means the voltage at the test point which is marked as ACDET V XXX YYY Voltage across point XXX and YYY I JXX YYY Current going out from the YYY terminal of header XX Jxx BBB Terminal or pin BBB of header xx JPx Internal jumper Jxx terminals are shorted JPx OFF Internal jumper Jxx terminals are open JPx YY ON Internal jumper Jxx adjacent terminals marked as YY are shorted Measure Check specified parameters If measured values not within specified limits the unit under test has failed Observe A B Observe if A B occur If they do not occur the unit under test has failed Assembly drawings have location for jumpers test points and individual components 2 2 Recommended Test Equipment 2 2 1 Power Supplies 1 Power Supply 1 PS 1 capable of supplying 6 V at 3 A is required 2 If not using a battery as the load then power supply 2 PS 2 capable of supplying up to 5 V at5 A is required to power the circuit shown in Figure 2 2 2 2 Load 1 Between BAT and GND Testing with an actual battery is the best way to
21. ory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of TI products in such safety critical applications notwithstanding any applications related information or support that may be provided by TI Further Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety critical applications TI products are neither designed nor intended for use in military aerospace applications or environments unless the TI products are specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of TI products which TI has not designated as military grade is solely at the Buyer s risk and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use TI products are neither designed nor intended for use in automotive applications or environments unless the specific products are designated by as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Tex
22. s Incorporated TEXAS INSTRUMENTS Introduction www ti com 1 1 1 1 2 2 Introduction bq2416x IC Features The bq24160 161 163 168 integrates a synchronous PWM controller power MOSFETs input current sensing high accuracy current and voltage regulation charge termination and power path management into a small WCSP package The charge parameters can be programmed through an interface Key IC features include e High efficiency fully integrated NMOS NMOS synchronous buck charger with 1 5 MHz frequency Integrated power FETs for up to 2 5 A charge rate Power path management between battery and system voltages For details see the 24160 161 163 168 data sheet SLUSAOO bq24160 161 163 168 EVM Features The bq24160 161 163 168 evaluation module EVM is a complete charger module for evaluating compact flexible high efficiency USB friendly switch mode battery charge and power path management solution for single cell Li ion and Li polymer battery powered systems used in a wide range of portable applications Key EVM features include 153 mm x 153 mm x 1 2 mm footprint for entire solution Input power connectors for both USB input and ac adapter Programmable battery voltage charge current input current and status via 2 interface IN operating range of 4 2 V 10 V bq24160 161 163 or 4 2 V 6 V bq24168 USB operating range of 4 2 V 6 V LED indication for status signals
23. strictions It is important to operate this EVM within the input voltage range of 4 V to 6 V and the output voltage range of 0 V to 4 44 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 65 C The EVM is designed to operate properly with certain components above 125 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2011 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its
24. subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI s standard warranty Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party
25. t to PGND must be placed as close as possible to the bq2416x Place 4 7 input capacitor as close to PMID pin and PGND pin as possible to make the high frequency current loop area as small as possible Place 1 uF input capacitor GNDs as close to the respective PMID capacitor GND and PGND pins as possible to minimize the ground difference between the input and PMID_ The local bypass capacitor from SYS to GND must be connected between the SYS pin and PGND of the IC The intent is to minimize the current path loop area from the SW pin through the LC filter and back to the PGND pin Place all decoupling capacitors close to their respective IC pins and as close as to PGND do not place components such that routing interrupts power stage currents All small control signals must be routed away from the high current paths The PCB must have a ground plane return connected directly to the return of all components through vias two vias per capacitor for power stage capacitors one via per capacitor for small signal components It is also recommended to put vias inside the PGND pads for the IC if possible A star ground design approach is typically used to keep circuit block currents isolated high power low power small signal which reduces noise coupling and ground bounce issues A single ground plane for this design gives good results With this small layout and a single ground plane no ground bounce issue exists and having the components se
26. tion Module Copyright O 2011 Texas Instruments Incorporated SLUU496 December 2011 Submit Documentation Feedback 1 TEXAS INSTRUMENTS www ti com Test Summary 1 6 Control and Key Parameters Setting Jumper Description Default Factory Setting 1 2 TS INT Connects a potentiometer to the TS so that the potentiometer can emulate a thermistor The potentiometer has been preset to approximately 3 4 so that the TS voltage is 0 5 x V DRV 2 3 TS EXT Connects the TS pin to an external thermistor The resistor divider formed by R1 and R3 has been sized to accommodate a 10 kQ thermistor If a different thermistor is used R1 and R3 must be resized 1 2 FET GATE SYS External PFET s gate tied to SYS and therefore disabled JP2 2 3 FET GATE BGATE External PFET s gate tied to BGATE pin and therefore 2 3 FET GATE BGATE controlled by IC Shorting jumper for USB data lines DM D and DP D When shorted USB input current limit defaults to 1 5 A Otherwise USB100 mode is selected bq24161 and bq24162A only 1 2 PSEL LO Indicates that an ac adapter is connected to the USB input and sets JP4 the USB input current limit to 1 5 A 2 3 PSEL HI 2 3 PSEL HI Indicates that a USB source is connected to the USB input and sets the input current limit to 500 mA JP1 1 2 TS INT JP3 SHORTED 1 2 CD LO Charge dis
27. verify operation in the system If a battery is not available then a battery or circuit similar to the one shown inFigure 2 can simulate a battery when connected to a power supply P S Range 0 to 4 5V 64 s 3A max Current due to 1N5821 Sinks up to 4 5V 2 20hm 2 4 Amax CONNECT TO POWER SOURCE CONNECT TO CHARGER TO D1 R2 1N5821 BAT 2 2 25W PS 2 PS 2 BAT BAT Metal Strip Sense Resistor 15FR100E Figure 2 BAT_Load PR1010 Schematic 2 2 3 Load 2 Between SYS and GND Although not required a resistive load capable of sinking up to 3 A can be used 6 WCSP Packaged bq24160 161 163 168 Evaluation Module SLUU496 December 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Test Summary 2 2 4 2 2 5 2 2 6 2 2 7 2 3 Meters Four equivalent voltage meters VM and two equivalent current meters CM are required The current meters must be able to measure 3 A current Computer A computer with at least one USB port and a USB cable is required The bq2416x evaluation software must be properly installed HPA172 Communication Kit USB TO GPIO HPA172 USB to I C communication kit is required Software Download BQ2416xSW zip from the charger s product folder unzip the file and double click on the SETUP EXE file Follow the installation steps Because the bq24160 bq241

WCSP-Packaged bq24160/161/163/168 Evaluation Module

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