EVBUM2198 - NCV7430GEVB Evaluation Board User's Manual
Contents
1. ES E OPP addens za Ab OP aia HUP WS Pegum TP Figure 12 The New Address is Programmed Man Node curta war Node fraen LIN command Uom serat rapan Me omes PIETY D and ert s 12 32 is s ielsrlajiuiw njuluilwujit Usdate mode Jo update amedai Cubo C Enable Deae Tan nne faire C Ge ow Moduston feguemce C ithe Male fig j aa Trend coed Enbe C Dade UDiEN F Ge C ON UDstratie On C o una J pra TETLEY LED On C o LED femen G E up Vo Co up On C Figure 14 Select AD47 and Turn Device On Figure 15 The New Board in the Daisy Chain Should Appear http onsemi com 8 NCV7430GEVB Increasing the LED Operating Current The NCV7430 device can be used as a control IC to drive an external transistor thereby resulting in a higher LED drive current LED run current is limited to 32 mA channel on the device By using this current as a drive current as shown in Figure 16 the current can be increased to 32 mA times the beta of the external bipolar transistor Additionally the three outputs can be connected in parallel to provide a single current source which is three times the single drive capability Reference Figure 18 Current is programmed by the 325 mV typ voltage on the LEDxR pin divided by the resistor value R3 TP4 VBB TPx LEDHx Figure 17 High Current Operation Temperature Compensation D3 D4 and D5 which are n2. YATM peyetndod eze cq pue 7a Ea 930N SLLISOLLANN O P4AON CO TAAT See ELEOOPVYWN TLSi Hone GRA HERE E CE OIGH4I SWIGA OE OTT AGCONW OI Ii m LIMZOOLUZ rn VIN xvc AL S 4d0zz OW LLY G2 BL1A0Zzeuuu gga V OLd L od N bpydzozoau L L K _ 4 porp Apoq no nes vf Figure 5 NCV7430 Auto Addressing Board Schematic with on board LED http onsemi com NCV7430GEVB SIO STS I WYO oz z ULI p qaeTndod eze gq pue 7a Ea 930N aNd s 7 4 ON NI I HOA OTdH T SVIGA J ddT AGONY AL S lt Jdozz B A0ZzZ uuuu LLG SW 6pydzozou L Xt _ 4 epotp Apoq OLLISOLLdAN AOL CLO 1 00P VIN ddA GldL Ul J9 Se A hO SARIS Figure 6 NCV7430 High Current Board Schematic for High Current External LED http onsemi com NCV7430GEVB Table 1 ABSOLUTE MAXIMUM RATINGS The operation of the NCV7430 auto addressing evaluation board works with the custom made ON Semiconductor USB2LIN board in combination with the custom GUI interface No additional power supply is needed other than the supplied 12 V AC DC adapter which powers the USB2LIN board the RJ22 Connectors An additional USB connector is used as the interface from the GUI to the USB2LIN board WC Value Main Voltage to USB2LIN Board AC DC Adapter 5 max 12 typ aasan ss Ee LLLI ANN NE NN RN NN ves Suny Vota v EELER 9 Stresses exceeding
3. LOCKBT1 e NCV7430 Evaluation Board see Figure 11 e AC DC 12 V Power Supply 8 The new address is programmed see Figure 12 9 In the middle column click the box for Ballast At least 2 of the NCV7430 auto addressing evaluation Click the Program OTP button boards will be needed to demonstrate the auto addressing Click the Read OTP button ae The BALLAST box should now be checked 1 Connect the USB cable to the computer which has see Figure 13 the USBZLIN GUI installed and to the USBZLIN 10 Select the device AD47 and turn the device on Interface Board see Figure 14 2 Connect the AC DC Power Supply to the 11 Select the Network configuration tab USB2LIN Interface Board 3 Connect the RJ22 connector from the USB2LIN Click the Scan network button The new board in the daisy chain should appear Interface Board to the Master in on the NCV7430 ADO see Figure 15 auto addressing board 4 Connect another RJ22 connector from the Repeat the process for each additional board which Slave out of the 18 NCV7430 auto addressing requires a unique address http onsemi com 7 NCV7430GEVB asa a copa man rode condis Aude zer UR commer Ven som Larang Ves some Feet OTP pogam Bead OTP Sete nom for coniun LoatOTPiemile Sesgttrp E DEFAULT TK Abe x V DE FMAT r reor 7 miio P oru conr Tiked T paeo T mem E Len anb mp Eu pam P Upp aon rnra D Low mat u Iesch conne ah conia ases Mode Cibus Le
4. Maximum Ratings may damage the device Maximum Ratings are stress ratings only Functional operation above the Recommended Operating Conditions is not implied Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability F2 MBRS240L1T3G d 2 JIMISHMDCI HE d ZTE HI GA 45V trip dA I ilei d 1 15HMA42CHAT3G Figure 7 USB2LIN Power Jack Table 2 RECOMMENDED OPERATING CONDITIONS TED DC Opa Curent win onal ED wera Ds We a 1 Beta of the external driver at the specified operating temperature must be considered when operating at high currents in order to obtain the system design goals Table 3 PIN FUNCTION DESCRIPTION Lee ma w a Pin Connections 0 yB ANODE connection for external LEDs to be used with external LEDs only Red Red external LED CATHODE connection Green external LED CATHODE connection Blue external LED CATHODE connection Communication Connection input from USB2LIN or preceding board in the serial chain and Power Connection output to the next board in the serial chain http onsemi com 5 NCV7430GEVB THEORY OF OPERATION The auto addressing feature of this evaluation board uses the NTRO202PLT1G PFET device as a switch between modules of the LIN bus The board is configured such that the master device connection should be made to the Master in node and the subsequent connection to the next sequential modules should be ma
5. NCV7430GEVB NCV7430 LIN RGB Driver Using Auto addressing and High Current Evaluation Board User s Manual ON Semiconductor http onsemi com Description Recent customer requests have shown there is a need for an RGB EVAL BOARD USER S MANUAL lighting driver device to operate in a fashion to allow the system to assign an address after power up to allow component changes after the initial system assembly as an option to pre programming prior to assembly at the automotive manufacturer The NCV7430 auto addressing evaluation board uses an approach where the LIN communication bus is consecutively switched between modules after an address has been assigned The target application for the NCV7430 LIN RGB BIAS pin is defined for use as a thermal distribution device but can find a use here in providing the customer with a solution for auto addressing of the system board attached on LIN bus Additionally features to the board developed here allows for the demonstration of external drivers for higher current LEDs and testing of thermal compensation components as described in the NCV7430 D data sheet Features In addition to the NCV7430 part features this evaluation board highlights the following e Auto addressing e Increased Output Current e Temperature Compensation The board shown in Figure 2 has the on board LED on the bottom side of the board U2 The external high current drivers Q1 Q2 Q3 for external LED control are n
6. de from the Slave out System Setup Slave Device Module 1 Master in Slave out gt Module 2 Master in Slave out LIN Master in MRA4003T3 12V Vbat _ AC DC Converter NTRO202PLT1G Control of the switched node is directed by the ncv7430 device through the use of the VBIAS pin VBIAS is low during the initial power up of the module The body diode of the switching transistor NTRO202PLT1G is sufficiently high impedance to impede communication further down the bus and orientated to provide reverse battery protection After the 1 module has been assigned an address the VBIAS pin goes high ultimately causing the switched transistor to turn on which allows the 2nd module to see the signal on the bus through LIN Slave out Body Diode LIN Slave out MM3Z20VT1G 220 pF 2N7002WT1G NCV7430 VBIAS VBB LIN Figure 8 Auto addressing Interface http onsemi com NCV7430GEVB Figure 9 Operational Guidelines board to the Master_in of a second NCV7430 The material necessary to successfully use the evaluation auto addressing board boards is listed below 5 Initiate the GUI e PC Running the Latest ON Semiconductor USB2LIN 6 The initial address for the NCV7430 device is GUI ADO see Figure 10 e USB Cables Type A to Type B 7 Move to the Node configuration tab e Interface Cables with 4 Wire RJ22 Connectors Deter ane wa r OAE EE e USB2LIN Interface Board ee Lock the new address with
7. ers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture ofthe part SCILLC is an Equal Opportunity Affirmative Action Employer This literature is subject to all applicable copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 f Fax 303 675 2176 or 800 344 3867 Toll Free USA Canada Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative EVBUM2198 D
8. iew Figure 22 Board Composite http onsemi com 10 NCV7430GEVB Table 4 NCV7430 AUTO ADDRESSING EVB WITH ON BOARD LED BILL OF MATERIALS Substitution Designator Qty Description Value Tolerance Manufacturet Part Number Allowed NCV7430 No SOIC 14 RGB LED LRTB_G6TG OSRAM LRTB G6TG Yes LRTB G6SF 50 V LIN Filter 100 pF 5 0603 Murata GCM1885C1H101JA16D Yes Capacitor 50 V VBB Filter 100 nF 10 0603 Murata GCM188R71H104KA57D Yes Capacitor 50 V VBAT Filter 10 nF 10 0603 Murata GCM188R71H103KA37D Yes Capacitor ON Semiconductor NCV7430D20G 50 V Auto address 220 pF 5 0603 Murata GCM1885C1H221JA16D Switch Capacitor Reverse Battery SMA_DIODE ON Semiconductor MRA4003T3 Diode FET Protection L ie 1 SOD_323 ON Semiconductor MM3Z20VT1G Diode LIN Bus Protector SOT23 ON Semiconductor NUP1105LT1G RJ22 Right Angle FCI 87180 044LF 87180 O44LF Socket Auto address ntrO202plt1g ON Semiconductor NTRO202PLT1G No Switch R1 R2 4 LED Current 12 Q 1 0603 Vishay Dale CRCW060312R0FKEA Yes R3 R15 Programming Resistors Pull up Resistor 24 kQ 0603 Vishay Dale CRCW060324KOFKEA FET Drive Resistor 5 1 ko 0603 Vishay Dale CRCW06035K10FKEA Yes TP1 TP2 4 High Current Turret Mill Max 2501 2 00 44 00 00 07 0 TP3 TP4 Connection D5 http onsemi com 11 NCV7430GEVB Table 5 NCV7430 HIGH CURRENT EVB BILL OF MATERIALS Substitution Designator Qty Description Value Tolerance Manufacturet Part Number Allowed ON Semiconduct
9. ks copyrights trade secrets and other intellectual property A listing of SCILLC s product patent coverage may be accessed at www onsemi com site pdf Patent Marking pdf SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer shall indemnify and hold SCILLC and its offic
10. or NCV7430D20G U1 1 NCV7430 No SOIC 14 C1 1 50 V LIN Filter 100 pF 5 0603 Murata GCM1885C1H101JA16D Yes Capacitor C2 1 50 V VBB Filter 100 nF 10 0603 Murata GCM188R71H104KA57D Yes Capacitor C3 1 50 V VBAT Filter 10 nF 10 0603 Murata GCM188R71H103KA37D Yes Capacitor C4 1 50 V Auto address 220 pF 5 0603 Murata GCM1885C1H221JA16D Yes Switch Capacitor D1 1 Reverse Battery SMA DIODE ON Semiconductor MRA4003T3 Yes Diode FET Protection ih SOD 323 ON Semiconductor MM3Z20VT1G Diode LIN Bus Protector Lx SOT23 ON Semiconductor NUP1105LT1G J1 J2 2 RJ22 Right Angle FCI 87180 044LF 87180 O44LF Yes Socket M1 1 Auto address ntrO202plt1g ON Semiconductor NTRO202PLT1G No Switch om H ed 2n7002wt1g ON Semiconductor 2N7002WT1G es M2 Q1 Q2 3 High LED Current NJVMJD253T4G ON Semiconductor NJVMJD253T4G No Q3 Driver Pull up Resistor 24 kQ 0603 Vishay Dale CRCW060324K0FKEA FET Drive Resistor 5 1 kQ 0603 Vishay Dale CRCW06035K10FKEA Yes R6 R9 3 High Current 1 2Q 1 0805 Vishay Dale CRCW08051R20FKEA R12 Program Resistor R7 R10 3 High Current 10 Q 1 0603 Vishay Dale CRCW060310R0FKEA Yes R13 Feedback Resistor R8 R11 PNP Drive Resistor 1009 0603 Vishay Dale CRCW0603100RFKEA R14 TP1 TP2 4 High Current Turret Mill Max 2501 2 00 44 00 00 07 0 Yes TP3 TP4 Connection ON Semiconductor and Dy are registered trademarks of Semiconductor Components Industries LLC SCILLC SCILLC owns the rights to a number of patents trademar
11. ormally provided here as zero ohm resistors reference schematic Figure 5 and board bottom graphic Figure 21 can be replaced by schottky diode transistors to provide compensation for thermal effects of the LEDs A footprint for each channel is provided with an additional footprint R15 connected from LED1R to ground to provide placement for an additional resistor for better compensation of red LEDs Reference the LEDxR NCV7430 D datasheet for further details An R3 ON Semiconductor MBRO520LT1G schottky diode has been shown to provide temperature compensation for red LEDs But choice of the schottky diode components is highly dependent on the LEDs designed into the system and placement on the PC board relative to the LED External LED VBB ANODE LEDxC R1 NJVMJD253T4G NCV7430 Figure 16 Higher Current Schematic TP4 VBB gt DOM TY a I VBB ANODE TP2 LEDH2 TP3 LEDH3 TP1 LEDH1 R11 LED1C NJVMJD253T4G NJVMJD253T4G NJVMJD253T4G NCV7430 p LED2C sess SSS SSS T am LED2R LED1R R6 R9 R12 1 2 Q 1 2 Q 1 2 Q Figure 18 Parallel Connections http onsemi com 9 NCV7430GEVB EVALUATION BOARD LAYOUT a rtr le Hl GNO E Us 15 VDD lla A l Option cg a1 L Q2 c3 Q3 B c On Board ini R Wu e m T External NCV7430 R8 R11 TP1 TP2 TPS iii Red Green Blue Figure 19 Silk Screen and Drill Holes Figure 21 Copper Bottom V
12. ot populated Details of schematic contents can be found in the upper left portion of the schematic see Figure 4 All boards are shipped with zero ohm resistors for D3 D4 and DS These can be replaced by customer specific schottky diodes for thermal compensation WARNING This board should only be used for driving EITHER an external LED with the NJVMJD253T4G drivers or the on board Figure 2 Evaluation Board Bottom View LRTB G6TG LED Interface Connector PC USB2SPI Adapter Target Board Figure 3 Evaluation Board Semiconductor Components Industries LLC 2013 1 Publication Order Number August 2013 Rev 1 EVBUM2198 D ON SdL As 9H Ov Ie ScQriNACN Ov LEScarwArn SvLescarwArn LO ee E dl SH ER NCV7430GEVB B L1 02zeuiul ea 5195 glH1 LN B1udzozonu L porp poq DCR ACON 6 Lamzoozuz DLUIGOLLOTN jno anels 1 00vVHIN Y pe3erndodun sTuU dH ZU T3 pe3erndodun sq ra ed p qaeTndod pIu NIY 9u pe ze ndog c0 7Z6 10 pe ze Tndodun 7n Teuz qxH AJT suyo 0 STu swyO Gre Hen peyetndod epora sa va ea uorqaesu duoo ON O pe ze Tndodun stu 88A Suuo z tH cCNH IU rd L Suuo 0 Sd 7d ed uoraesu duoo ON uorqesu duoo znqez du r p qeTndodun pis nasua 9A peze Tndodun 6 70 16 pea3erndoga zn paeog uo QHT suot3do IC NCV7430 Full Evaluation Board Schemati 4 Figure onsemi com http NCV7430GEVB szoqasrs rx WYO OI Z
13. sch Je ion ln Men rete WEET GEI Hein gegart 7 oos oast P LOETI PF vm Tarnai Terpin E vene tiaw Rearing al 7 BALLAST a nile E huii fm E Dama i LED sal a11 n Gn tos Azhsenbezaws gie ous ege ee n A Hab p ifen ma I demas Enges Dude LED cal si Eu ta h oko os dos aia gent E Lraa W Luegee LED eat a1 RASS Ra be o 24 Cabswex daa Calibre data vi uba umanan 0 Kita as data ei una Fo ES Dhamal 8 Ten d Cuban gouft 8 I LDCKET Eege rama iiir LED cal act M arnrauwunm aan un na r F Leben Sete aT 8 Calibration dete al LED cal az J n zi m Vsus ad aca irn MED cd o tune ee ee ET o 2 8 E i taka up Ek k ee T o 24 ff ika ULT cal al J o Bead TF Caves OPP is OTF siitia z Wa a RIP daa geg DD ta Re reem HIE Figure 11 Lock the New Address with LOCKBT1 S EI Buri DIP paccm Deg Dip EE ICI TM zess E aua E nm Gd DI DEFAULT Engo ocr E mm Ggsper E men E rb ui men E ie eo F LED OD FREG F LD Bag weer oom B ven BR wan E Tenan C rege D res S hiaat E auras Hoi mesi ar ee at ede Comite woe dala a H upa n 9 ES Ces detec D Ctsges dua aT toca wi oc pz Calsuemdsaat Casio hrs data vi H LED cal ei a 3 Ce rgee daa 8 Coline D MO sa wi Fee p Lasse d sst r wai Causes amas H ek unan TF ba una an 0 s Deep 8 acc T ERE uum TC
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