XRP9710EVB-DEMO-1 - Exar Corporation
Contents
1. RC POWER GPIOO E T17 0 5 T18 o T Header 1X6 female H8 5mm Header 1X8 female H8 5mm TI PSIOO uC R3 0 PSIOO 80 R6 0 PSIO1 uC v PSIO1 T28 PSIO2 uC RI e U PSIO2 PA 129 JP6 RC POWER RC POWER R8 4 7k S C4 4 10V 22uF 22uF 22uF 22uF SONE US T25 o T24 T23 0 GND GND GND GND ENABLE L T8 GND GND EXAR Title XRP2ARDEVB INT 48720 Kato Road 17 19 F t CA 94538 EXAIR Size B Name XRP2ARDUINO _Interface SchDoc Rev 2 0 i i a WWW exar com Date 10 29 2013 Time 12 07 02 PM Sheet1 of 1 File J Apps Simo XRP2ARDEVB INT 1 board XRP2ARDUINO Interface SchDoc 1 2 3 4 5 6 A New Direction in Mixed Signal BILL OF MATERIAL XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System Ref Qty Manufacturer Part Number Size Component 1 Exar Corporation 146 6703 01 4 40x2 10in PCB DS1 1 Wurth Elektronik 150120RS75000 1206 SMD Red Chip LED DS2 1 Wurth Elektronik 150120VS75000 1206 SMD Green Chip LED C1 C2 C3 C4 4 Vishay Sprague 293D226X9010B2TE3 B Tantalum Capacitor 22uF 10V 10 R1 R5 R6 R9 4 Panasonic ERJ 6GEYOROOV 0805 RES 0 Q 1 8W 5 SMD R2 R3 2 Panasonic ERJ 6GEYJ122V 0805 RES 1 2kQ 1 8W 5 SMD R4 R7 R8 3 Panasonic ERJ 6GEYJ472V 0805 RES 4 7kQ 1 8W 5 SMD SWI1 1 Wurth Elektronik 430182050816 6x6mm Tact Switch SMD Connector Male Header2. 10 CON5 1 Wurth Elektronik 61301021121 0 50x0 20in Positions Dual Row 100mil Spacing Vertical TH Connector Male Header 2 JP1 JP2 JP3 JP4 lt Wurth Elektronik 61300211121 0 20x0 10in Positions 100mil Spacing JP5 Vertical TH Connector Male Header 3 JP6 JP7 2 Wurth Elektronik 61300311121 0 30x0 10in Positions 100mil Spacing Vertical TH Connector Male Header 20 P1 1 Wurth Elektronik 612020235221 1 30x0 55in Positions Dual Row 100mil Spacing Shrouded RA TH Wire to Board Connector P2 1 Wurth Elektronik 653104124022 11x6mm Male 4 Positions 1 25mm Spacing Shrouded SMT Connector Male Header 10 P_IOH1 1 Wurth Elektronik 61301011121 1 00x0 10in Positions 100mil Spacing Vertical TH P_POWERI Connector Male Header 8 i 2 Wurth Elektronik 61300811121 0 80x0 10in Positions 100mil Spacing P_IOL1 Vertical TH Connector Male Header 6 P_AD1 1 Wurth Elektronik 61300611121 0 60x0 10in Positions 100mil Spacing Vertical TH T23 T24 T25 3 Wurth Elektronik 61300111121 0 10x0 10in Square Test Posts TH 2013 Exar Corporation 18 19 Rev 1 0 0 XRP9710EVB DEMO 1 EXAR Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System DOCUMENT REVISION HISTORY Revision Date Description 1 0 0 01 06 2014 Initial release of document BOARD REVISION HISTORY Board Revision Date Description XRP9710EVB DEMO 1 01 sia Initial
3. node of the internal channel 41 PVOUT4 Channel Output Power Output voltage for the internal channel 42 PSIO1 I O Logic Signal HV Open drain high voltage compliant Can be configured as input or output I O Logic Signal HV Open drain high voltage compliant Can be configured as input 43 PSIO2 or output 44 LX4 Switch Node Switch node of the internal channel 45 PVOUT4 Channel Output Power Output voltage for the internal channel ORDERING INFORMATION Refer to XRP9710 s datasheet and or www exar com for exact and up to date ordering information 2013 Exar Corporation 4 19 Rev 1 0 0 EXAR A New Direction in Mixed Signal USING THE EVALUATION BOARD INPUT VOLTAGE RANGE The input voltage range of XRP9710EVB DEMO 1 board is from 5 5V to 22V The default configuration has been optimized for a 12V input rail When running the board at an input voltage other than 12V use PowerArchitect 5 1 PA5 1 to evaluate the system performance I C INTERFACE The XRP9710 programmable power module employs a standard I C interface Although the I C signals can be pulled up to LDO5 on board by means of installing jumpers at the locations JP1 JP2 and JP4 the C bus signals are pulled up on the controller interface board by default refer to Appendix jumpers installed shorting pins 2 and 3 together at the locations JP6 and JP7 OPERATING THE EVALUATION BOARD The XRP9710EVB DEMO 1 is designed to be powered from ei
4. 13 Exar Corporation 3 19 Rev 1 0 0 A New Direction in Mixed Signal PIN DESCRIPTION XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System Pin Name Description 1 10 NC No Connect 11 ENABLE Enable If ENABLE is pulled high or allowed to float high the chip is powered up The pin must be held low for the XRP9711 to be placed into shutdown 12 VCC Controller Supply Voltage Place a decoupling capacitor close to the controller IC This input is used in UVLO fault generation 13 AGND Analog Ground This is the small signal ground connection 14 AGND Analog Ground This is the small signal ground connection Feedback Pin Positive input of remote sensing differential amplifier Connect to the 15 VOUT3 ci f remote voltage load positive terminal Feedback Pin Negative input of remote sensing differential amplifier Connect to the 16 VOUT3 b remote voltage load negative terminal Feedback Pin Positive input of remote sensing differential amplifier Connect to the 17 VOUT4 ES remote voltage load positive terminal 18 VOUT4 Feedback Pin Negative input of remote sensing differential amplifier Connect to the remote voltage load negative terminal 19 GPIOO I O Logic Signal Can be configured as input or output 20 GPIO1 I O Logic Signal Can be configured as input or outp
5. 2013 EVALUATION BOARD SCHEMATICS XRP9710 ul XRP9710 Module XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System VOUT3 VOUT3 kp Pal Not Pas TP6 Hiv Flv BOC E Rev 1 0 0 DES VOUT4 P Gr M Pad Not Pet 4 VOUT4 N 3501 SOV QOlF__LDOSV VOUT3 N VOUT4 P VOUT N Laces haci 94 16v 0 1UF Exar Corporation LOJ 01UF GND cie C OJ 16V QIUF 01UF TPS PGND4 RS MRT bas _ am Bam aK Figure 1 XRP9710 Evaluation Board Schematics 48720 Kato Road Fremont CA 94538 USA Tel 1 510 668 7000 Fax www exar com 1 510 668 7001 XRP9710EVB DEMO 1 sia Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System PIN ASSIGNMENT NC 25 NC PVOUT3 PVOUT3 NC 30 32 33 NC PVIN PVIN NC NC NC NC 41 NC PVOUT4 NC 45 PVOUT4 ENABLE al N VCC VOUT3 VOUT4 Figure 2 XRP9710 Pin Assignment 20
6. AL XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System Ref Qty Manufacturer Part Number Size Component 1 Exar Corporation 146 6709 01 2 25x2 80in PCB 12x12mm Dual 6A Programmable U1 1 Exar Corporation XRP9710 LGA Power Module DS1 1 Wurth Elektronik 150120AS75000 1206 SMD Amber Chip LED Murata Ceramic Capacitor 1uF C2 1 Corporation GRM21BR71H105KA12L 0805 50V X7R Murata Ceramic Capacitor C3 C4 C6 C8 4 Corporation GRM32ER71A476KE15L 1210 AZUF 10V X7R Murata Ceramic Capacitor C5 C7 2 Corporation GRM32ER71H106KA12L 1210 10uF 50V X7R S OSCON Capacitor C9 1 Panasonic Sanyo 35SVPF120M F12 1204F 35V Murata Ceramic Capacitor C12 C19 2 Corporation GRM188R71H104KA93D 0603 0 1uF 50V X7R Murata Ceramic Capacitor C13 C15 2 Corporation GRM155R71H103KA88D 0402 O O1UF 50V X7R Murata Ceramic Capacitor C14 C16 C17 C18 4 Corporation GRM155R71C104KA88D 0402 0 1uF 16V X7R Ri 1 Vishay Dale CRCW12060000Z0EAHP 1206 RES 0 Q 1 2W SMD R2 R3 R5 R6 R7 5 Panasonic ERJ 3EKF4701V 0603 RES LIA 5 SMD R8 1 Panasonic ERJ 6GEYJ122V pees alan enna Connector Male Header 2 Positions JP1 JP2 JP3 JP4 JP5 JP6 JP7 7 Wurth Elektronik 61300211121 0 20x0 10in 100mil Spacing Vertical TH Sullins Connector Female P1 1 Connector dii aa 1 20x0 55in Header 20 Positions Solutions 100mil Spacing RA TH 3 Conn
7. X GT mia 0 01F 2 test point GPIO1 50V Ee VOUT3 T10 0 NA VOUT3 PSIOO 24 T4 or Cll cee VOUT3 P Se e Ls HD arr emg SZ 10V SZ 10 F soy DNS S KB3 0803 sei 3 DNS E Pad Not Part VOUT3 N TR OA 47uF 47uF 0 1UF dwl O T7 PSIO2 Pad Not Part TP6 37 LX4 E my TP2 test point T14 ENS 40 GND PGND3 test point VOUT4 E VOUT4 0805 SDA u die ao RE pl voun E 19122 z 10V 10V 2 DNS ES 0805 Pad Not Part SCL 38 S lt 50V DNS KB4 VOUT4 N Tio UF TTP 0 1UF D 0 121 a ld Pad Not Part 2013 ele aes Sesia 0 01F LDOSV GND TRS test point PGND4 GND VOUT3 P CIRIE cle LI 16V 16V 16V 16V OLUF O 1UF 0 1UF 0 1UF GND GND GND GND PRE test point GND PS SV PI SCL 2 1 SDA 4 3 GPIOO 5V R4 DNS 6 5 GPIO1 0 S R8 ENABLE z a R9 DNS VIN 2k a A 12 11 A DE patio gt e PSIO2 TES GND 1230 18 17 PSIOO 20 19 ky DS1 Header 2X10 GND GND 8 19 Title XRP9710EVB DEMO 1 EXAR Size E Name XRP9710EVB DEMO 1 SchDoc Rev 1 0 dae EXA R ai ele ee Fremont CA 94538 Powering Connectivity Date 11 12 2013 Time 1 14 10 PM Sheet1 of 1 www exar com File CASVN LOCAL XRP9711 temp char _board XRP9710EVB DEMO 1 board XRP9710EVB DEMO 1 SchDoc 1 2 3 4 5 6 A New Direction in Mixed Signal BILL OF MATERI
8. XRP9710EVB DEMO 1 EXAR Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System December 2013 Rev 1 0 0 GENERAL DESCRIPTION The XRP779710EVB DEMO 1 board is a complete two channel power system The default configuration provides 1 8V and 2 5V at maximum loads of 6Amps per output The supplies can be dynamically adjusted in 5mV increments The order and ramp rates for each supply can be programmed to accommodate any sequencing requirement All power supply operations can be controlled over an I C interface Faults output voltages and currents can also be monitored Two GPIO and three PSIO signals are available and can be programmed to provide a variety of functions Unused GPIO PSIO pins can be programmed as I O expansion for a microcontroller The board is supported by PowerArchitect 5 1 or later and plugs directly onto the interposer board acting as an interface to Arduino controller EVALUATION BOARD MANUAL YOUT3 P f XRP9710EVB DEMO 1 FEATURES e XRP9710 Programmable Power Module o Channel 3 and 4 internal converters e 2 Channel Power System e Wide Input Voltage Range 5 5V 22V e I C Interface Programming Monitoring Control e Arduino GPIO PSIO and ENABLE control Exar Corporation www exar com 48720 Kato Road Fremont CA 94538 USA Tel 1 510 668 7000 Fax 1 510 668 7001 EXAR A New Direction in Mixed Signal December
9. ector Power Jack P2 1 Switchcraft RAPC722X 0 60x0 40in Mini R A T H T1 T2 T5 3 Wurth Elektronik 61300111121 0 10x0 10in Square Test Posts TH TP1 TP2 TP3 TP4 TP5 TP6 6 Wurth Elektronik 7471287 0 32x0 10in Mounting Tabs 2013 Exar Corporation 9 19 Rev 1 0 0 XRP9710EVB DEMO 1 ele Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System EVALUATION BOARD LAYOUT 126ddx SAON 1 0W30 SN30 AL E TO VOUT4 PGND4 Figure 3 Component Placement Top Side 2013 Exar Corporation 10 19 Rev 1 0 0 XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System Figure 4 Layout Top Side 2013 Exar Corporation 11 19 Rev 1 0 0 2 XRP9710EVB DEMO 1 G EXAR Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System Figure 5 Layout Bottom 2013 Exar Corporation Rev 1 0 0 XRP9710EVB DEMO 1 EXAR Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System Figure 6 Layout Middle Layer 1 O 2013 Exar Corporation 13 19 Rev 1 0 0 XRP9710EVB DEMO 1 MW Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System Figure 7 Layout Middle Layer 2 2013 Exar Corporation 14 19 Rev 1 0 0 A New Directio
10. he outcome as seen above and reset the device if Automatically Reset After Flashing box checked default option Close the window Note that XRP9710EVB DEMO 1 boards will be pre loaded with the default configuration Regulation To enable channel regulation go to the Tools tab in PA 5 1 and select Dashboard EEN N File Edit View Help Boards K a DA Pow Program Flash a Ein XRI 3 Invalidate Flash Export IntelHEX Peek Poke g Dashboard In Dashboard turn Group 1 on The configuration groups the channels 3 and 4 into Group 1 The channels are now in regulation as indicated by Vour readings as well as the in regulation indicators Rev 1 0 0 EXAR A New Direction in Mixed Signal Chip Dashboard A General I2C Addr x28 7 bit aw Chip XRP9710 Config Version Reset Chip F8 2 Chip Ready Yes Refresh F5 2 Vec 12 2 V vg 32 C Program Flash Le GPIO Supply Over UVLO UVLO UVLO Clear Flags Event Fault Temp Fault Ok Warn dear Channel Control Enable InReg Fault Status Vout Tout on off 9 00 6 00 EN on off 6 006 9 00 Der Channel3 on of e 1 800 V 0 194 bv Channel 4 on off 2 490 V 0 004 r ane Gn GE cow GE cur onl of 1 0 Status GPIOO Power Ok I Lo H ll L il GPIO1 Reset Out 1 Jos He PSIOO Low Vec I Lo H L PSIO1 Interrupt 1 og He PSIO2 General Input I Lo H L Enable Ja GE Channels can be turned on individua
11. lly if desired GPIO and PISO interface The GPIOs PSIOs and ENABLE can be controlled from the Arduino controller dynamically in the dashboard ENABLE signal is connected to the Arduino controller board by default JP3 header is shorted Arduino drives the ENABLE pin low to place XRP9710 into the shutdown mode It releases the ENABLE pin to enable the device If leaving the ENABLE pin floating is desired the jumper at JP3 shall be removed The PSIOs are not pulled up on XRP9710EVB DEMO 1 by default There is a loading option to pull PSIOs up to LDOS if desired To do this one will need to short JP4 JP5 JP6 and JP7 headers by means of installing jumpers 2013 Exar Corporation XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System EVALUATION BOARD CONNECTIONS The following picture illustrates how Vin supplied from a test bench DC power supply and instruments attached to the outputs would be connected to the XRP9710EVB DEMO 1 board VOUT3 PGND3 IO CONNECTOR Rev 1 0 0 EVALUATION BOARD SCHEMAITCS a il 160 Oo RI jo VIN VIN IC 206 0 50V 10UF GND Ul JP4 XRP9710 Module _ 6 NH SV 7 0805 KB1 GND D Pad Not Part ENABLE 9 T9 10 VOUT3 P VOUT3 P 1 VOUT3 N VOUT3_N 2 VOUT4 P VOUT4 P 3 VOUT4 N VOUT4 N 4 5 GTS T6 ol GPIOO LDOSV TET 29 TE
12. n in Mixed Signal EXAR XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System sr x B Figure 8 Layout Signal Ground Plane 2013 Exar Corporation 15 19 Rev 1 0 0 XRP9710EVB DEMO 1 G EXAR Dual Output Digital PWM PFM Demo Board A New Direction in Mixed Signal Programmable Power Management System Figure 9 Layout Internal Plane O 2013 Exar Corporation Rev 1 0 0 XRP9710EVB DEMO 1 EXAR Dual Output Digital PWM PFM Demo Board Programmable Power Management System A New Direction in Mixed Signal APPENDIX INTERFACE BOARD SCHEMATICS MIE MI A AE 2013 Exar Corporation 17 19 Rev 1 0 0 5V La APPENDIX INTERFACE BOARD SCHEMATICS 4 7k no R3 no R2 ee DOK 27 12K 1 3 PRGM INIT i PRGM DONE PRGM ERROR 3 C5 gt PI 2 4 DNS SCL E P_POWERI SWI SDA P1 AREF PS DS SCL J a GND SDA GPIO0 GND TI 9 RC POWER ue _ GPIO1 080 ES di L Z JP3 ENABLE I VIN BOARD VIN Ta lo GND GND _ DO O A a Toa Dee PSIO2 T6 0 1 T21 O 15 Mid Aa 5 PSIOO Header 1X8 female H8 5mm 1260 It GND Header 1X10 female H8 5mm EV M 20 19 P TOLI Header 2X10 shrouded male GND T7 0 ENABLE N P_ADI r1ofop PSIO2 uC GND si E PSIO1 uC GND T11 0 PSIOO uC T13 0 Tisro SPIO1
13. release of evaluation board FOR FURTHER ASSISTANCE Email customersupport exar com Exar Technical Documentation http www exar com TechDoc default aspx EXAR CORPORATION HEADQUARTERS AND SALES OFFICES EXAR 48720 Kato Road Fremont CA 94538 USA Tel 1 510 668 7000 Fax 1 510 668 7030 www exar com A New Direction in Mixed Signal NOTICE EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve design performance or reliability EXAR Corporation assumes no responsibility for the use of any circuits described herein conveys no license under any patent or other right and makes no representation that the circuits are free of patent infringement Charts and schedules contained here in are only for illustration purposes and may vary depending upon a user s specific application While the information in this publication has been carefully checked no responsibility however is assumed for inaccuracies EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness Products are not authorized for use in such applications unless EXAR Corporation receives in writing assurances to its satisfaction that a the risk of injury or damage has been minimi
14. ther an AC DC wall wart the output voltage must be in the range of 5 5V to 22V connected to the barrel connector or a test bench DC power supply the voltage must be in the range of 5 5V to 22V connected to the Viy connectors BRING UP PROCEDURE Plug the XRP9710EVB DEMO 1 evaluation board to the controller interface board as shown below O 2013 Exar Corporation XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System Load the PowerArchitect 5 1 software and run it After selecting the proper family Modules and the device XRP9710 select the Get Started with the EVB DEMO 1 option when prompted as shown below POWER Welcome to PowerArchitect 5 Lets get started Modules M xRP9710 Create New Project Open Existing Project XRP9710EVB DEMO 1_default_v1 pwrxr C Cabceda CX03 CX03_5 02R0_Bryan pwnxr CAXRP7720XRP7720_EVB_DEMO pwrxr CAXRP772517725_EVB pwrxr Get Started with the EVB DEMO1 Board Create Cancel When done click Create PA 5 1 will load the default XRP9710EVB DEMO 1 configuration automatically Apply power to the board Please refer to the sections above on how to properly supply power to the board and what voltage range to use Turn on the Power supply Use USB cable to connect the computer type A and the Arduino controller board type B Go to the Tools tab in PA 5 1 and select Boards The software
15. ut 21 SDA I C Data SMBus I C serial interface communication 22 SCL I C Clock SMBus I C serial interface communication I O Logic Signal HV Open drain high voltage compliant Can be configured as input 23 PSIOO or output 24 PVOUT3 Channel Output Power Output voltage for the internal channel 25 PVOUT3 Channel Output Power Output voltage for the internal channel 26 PGND3 Channel Output Ground Output ground for the internal channel 27 PVIN Channel Input Power Internally connected to drain of upper switching MOSFET 28 PVIN Channel Input Power Internally connected to drain of upper switching MOSFET 29 LX3 Switch Node Switch node of the internal channel 30 LX3 Switch Node Switch node of the internal channel 31 LX3 Switch Node Switch node of the internal channel 32 PVIN Channel Input Power Internally connected to drain of upper switching MOSFET 33 PVIN Channel Input Power Internally connected to drain of upper switching MOSFET 34 LDO5 5V LDO Output Used internally for power and may also be used for external power LDO that can remain active while the rest of the IC is in standby mode 35 AGND Analog Ground This is the small signal ground connection 36 AGND Analog Ground This is the small signal ground connection 37 LX4 Switch Node Switch node of the internal channel 38 PGND4 Channel Output Ground Output ground for the internal channel 39 AGND Analog Ground This is the small signal ground connection 40 LX4 Switch Node Switch
16. will identify communication ports where it found the Arduino controller board Select the port r TE zip WE am GE File Edit View Help 3 DR pou METE ess Program Flash a HE XRI 3 Invalidate Flash Export IntelHEX L _ Peek Poke S 2 Dashboard Rev 1 0 0 EXAR A New Direction in Mixed Signal PA 5 1 is now communicating with the Arduino controller board which is indicated in the lower left corner Arduino on COM8 Programming the Configuration onto XRP9710 To program a configuration go to the Tools tab in PA 5 1 and select Program Flash ya Powers gt EEN File Edit View Help E a pol Boards E y Program Flash a En XRI 2 Invalidate Flash Export IntelHEX Peek Poke S B Dashboard The program Flash window will appear Program Flash Status Ready to Flash at 12C Address 0x28 V Automatically Reset After Flashing Flash Progress Click the Flash button 2013 Exar Corporation XRP9710EVB DEMO 1 Dual Output Digital PWM PFM Demo Board Programmable Power Management System r 3 Program Flash N zl tres i gt Status Programming Ok chip reset Verified Automatically Reset After Flashing PA 5 1 will go through the process of loading configuration in the flash Once it has successfully completed the task it will report t
17. zed b the user assumes all such risks c potential liability of EXAR Corporation is adequately protected under the circumstances Reproduction in part or whole without the prior written consent of EXAR Corporation is prohibited 2013 Exar Corporation 19 19 Rev 1 0 0
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