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Figure 7-10. BQ79616EVM Top Solder

BQ79616EVM Schematic, Assembly, Layout, and BOM

SLUUC37B – JULY 2019 – REVISED OCTOBER 2020

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BQ79616-Q1, BQ75614-Q1, and BQ79656-Q1 Evaluation Modules

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Copyright © 2020 Texas Instruments Incorporated

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Summary of Contents for BQ75614-Q1

Page 1: ...es 6 1 2 Key Electrical Parameters 6 2 Theory of Operation Stackable BQ79616EVM 7 2 1 Single Board 8 2 2 Stacked Systems 8 2 3 Configuring the BQ79616 Q1 EVM to be used for Lower Cell Count Applicatio...

Page 2: ...Composer Studio are trademarks of Texas Instruments All other trademarks are the property of their respective owners Trademarks www ti com 2 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLU...

Page 3: ...peration of accessible high voltages may be present for the purpose of protecting inadvertent access d All interface circuits power supplies evaluation modules instruments meters scopes and other rela...

Page 4: ...duction unit General Texas Instruments High Voltage Evaluation TI HV EVM User Safety Guidelines www ti com 4 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER...

Page 5: ...ages hot surfaces or sharp edges Do not reach under the board during operation CAUTION The circuit module may be damaged by overtemperature To avoid damage monitor the temperature during evaluation an...

Page 6: ...VM or multiple stacked EVMs using a PC hosted GUI Communication between the PC and the base device in a stack of BQ79616EVM or a single standalone BQ75614EVM device is via a USB2ANY UART interface For...

Page 7: ...mands and data are communicated with a host via either a UART or daisy chain communication connection The BQ79616 will remain idle until a command is received from the host The BQ79616 can support a h...

Page 8: ...the BQ79614 Q1 BQ79612 Q1 devices For these cases the EVM comes fitted with placeholder 0 ohm resistors for shorting together the VC and CB pins of the topmost cells These can be found in the schemat...

Page 9: ...ging cycles to perform the same amount of work It also improves the overall lifetime of Li ion battery packs by preventing under and overvoltage damage from occurring The typical BMS system with integ...

Page 10: ...timate SOC and SOH 4 If no stop command is sent the BQ75614 Q1 has a built in timeout set by the user after which time the discharge will be stopped automatically 5 The host can then decide to repeat...

Page 11: ...lternatively the user can simulate cell voltages using the on board resistor ladder across each of the cells which can be utilized by closing switches S1 and S2 and applying a DC voltage across the VS...

Page 12: ...negative terminal of CELL13 17 CELL13 Positive terminal of CELL13 negative terminal of CELL14 18 CELL14 Positive terminal of CELL14 negative terminal of CELL15 19 CELL15 Positive terminal of CELL15 ne...

Page 13: ...8DAAN Reference Image Only Table 4 5 Connector Information Designator Manufacturer Part Number Mating Connector J4 Sullins Connector Solutions Manufacturer PEC08DAAN N A Table 4 6 Pin Description J4 P...

Page 14: ...5614EVM These provide high side J11 and low side J10 communications between stacked EVM devices Table 4 7 Connector Information Designator Manufacturer Part Number Mating Connector J10 J11 Molex Manuf...

Page 15: ...ve For more details and information related to the LaunchPad modules see the specific module user s guide 5 2 Power Connections If powering the EVM using the included resistor ladder as cells simply e...

Page 16: ...Table 5 1 Connections Between EVM and TMS570 LaunchPad Connection Name EVM TMS570 LaunchPad TX J17 Pin J2 pin 3 UARX RX J17 J2 pin 4 UATX nFAULT J17 J2 pin 5 PA7 GND J17 J3 pin 2 GND 5 4 Stacking BQ79...

Page 17: ...nt and click interface to become familiar with the BQ79616 Q1 or BQ75614 Q1 During the initial sampling phase please contact your local TI FAE to get the latest GUI version To get started with the GUI...

Page 18: ...t if populated Transformers is 0 41 in 10 5 mm above PCB Depopulated by default 6 2 Board Mounting Figure 6 1 illustrates the EVM dimension drawing Figure 6 1 Board Dimensions Physical Dimensions www...

Page 19: ...B9 CB8 CB7 CB6 CB5 CB4 CB3 CB2 CB1 PWR CELL1 CELL2 CELL3 CELL4 CELL5 CELL6 CELL7 CELL8 CELL9 CELL10 CELL11 CELL12 CELL13 CELL14 CELL15 CELL16S CB0 CELL0 VSTACK Battery Connector BMS021E3_VC_CB SchDoc...

Page 20: ...47uF DNPC11 TP19 SRN_S TP18 SRP_S SRP SRN Current Sense GPIO8_R GPIO5_R GPIO6_R GPIO7_R GPIO4_R GPIO3_R GPIO2_R GPIO1_C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J4 GPIO8 GPIO6 GPIO7 GPIO5 GPIO4 GPIO2 G...

Page 21: ...CB6 CB7 CB8 VC2 VC3 VC4 VC5 VC6 VC7 VC8 VC16 VC15 VC14 VC13 VC12 VC11 VC10 VC9 VC9 VC10 VC11 VC12 VC13 VC14 VC15 VC16 CB16 CB15 CB15 CB14 CB14 CB13 CB13 CB12 CB11 CB11 CB10 CB10 CB9 CB9 CELL1 CELL1 CE...

Page 22: ...P GND COMML_N GND ISO_COMML_N ISO_COMML_P 24V 1 3 2 D2 GND ISO_COMML_P GND ISO_COMML_N 100pF ISO_COMMH_P C13 220pF C15 220pF C16 220pF C17 220pF C18 100pF C14 2200pF C20 2200pF C21 470uH 1 2 3 4 L2 22...

Page 23: ...sembly Top www ti com BQ79616EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules 23 Copyright...

Page 24: ...ottom BQ79616EVM Schematic Assembly Layout and BOM www ti com 24 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright 2020...

Page 25: ...p Overlay www ti com BQ79616EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules 25 Copyright...

Page 26: ...erlay BQ79616EVM Schematic Assembly Layout and BOM www ti com 26 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright 2020...

Page 27: ...der www ti com BQ79616EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules 27 Copyright 2020 T...

Page 28: ...yer BQ79616EVM Schematic Assembly Layout and BOM www ti com 28 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright 2020 T...

Page 29: ...yer 1 GND Plane www ti com BQ79616EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules 29 Copy...

Page 30: ...al Layer 2 BQ79616EVM Schematic Assembly Layout and BOM www ti com 30 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright...

Page 31: ...ayer www ti com BQ79616EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules 31 Copyright 2020...

Page 32: ...older BQ79616EVM Schematic Assembly Layout and BOM www ti com 32 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright 2020...

Page 33: ...s MLCC SMD SMT 1206 0 22uF 100volts X7R 10 1206 GCM31MR72 A224KA37L Murata C2 C6 C8 C9 4 CAP CER 0603 1UF 10V X7R 10 0603 1608 Metric C0603C105K 8RACAUTO KEMET C3 C4 C57 C58 C59 5 0 1uF CAP CERM 0 1 u...

Page 34: ...P CERM 100 pF 50 V 5 C0G NP0 AEC Q200 Grade 1 0603 0603 GCM1885C1 H101JA16J MuRata C15 C16 C17 C18 4 220pF CAP CERM 220 pF 50 V 5 X7R 0603 0603 CL10B221JB 8NNNC Samsung Electro Mechanics C19 C20 C21 C...

Page 35: ...2 4062 Molex J4 1 Header 2 54 mm 8x2 Tin Vertical TH Header 2 54 mm 8x2 TH PEC08DAAN Sullins Connector Solutions J7 J8 J9 3 Header 100mil 6x1 Tin TH TH 6 Leads Body 608x100mil Pitch 100mil PEC06SAAN S...

Page 36: ...RFKEF Vishay Dale R4 1 200 RES 200 1 0 75 W AEC Q200 Grade 0 2010 2010 CRCW20102 00RFKEF Vishay Dale R5 1 30 0 RES 30 0 1 0 1 W AEC Q200 Grade 0 0603 0603 ERJ 3EKF30 R0V Panasonic R7 R8 R11 R14 R15 R1...

Page 37: ...94 R97 R98 R101 R102 R105 R106 R109 R110 R113 17 100 RES 100 0 1 0 1 W AEC Q200 Grade 0 0603 0603 ERA 3AEB10 1V Panasonic R82 R83 R86 R87 R91 R92 R95 R96 R99 R100 R103 R104 R107 R108 R111 R112 R114 17...

Page 38: ...ret TH Triple Keystone159 8 2 1598 2 Keystone TP20 TP38 TP39 3 Test Point Multipurpose Black TH Black Multipurpose Testpoint 5011 Keystone TP37 TP40 2 Test Point Multipurpose Red TH Red Multipurpose T...

Page 39: ...r NPN 80 V 1 A AEC Q101 SOT 223 SOT 223 BCP56T1G ON Semiconducto r R10 R13 R17 R122 0 0 RES 0 5 0 25 W AEC Q200 Grade 0 1206 1206 ERJ 8GEY0R 00V Panasonic R20 0 100k RES 100 k 5 0 1 W AEC Q200 Grade 0...

Page 40: ...0 R27 DNP VC16 VC15 VC14 VC13 VC12 0 R22 DNP 0 R26 DNP CB16 CB15 0 R21 DNP 0 R25 DNP CB14 CB13 CB12 Resistors for Lower Cell Count Applications 614 612 BBP BBN Bus Bar TP16 BBN_CELL TP17 BBP_CELL 0 R...

Page 41: ...12 13 14 15 16 17 18 19 20 21 22 J15 PWR CB0 CB1 VC0 VC1 CB3 CB2 CB4 VC1 VC2 VC3 VC4 VC5 VC6 VC7 CB5 CB6 CB7 CB8 VC2 VC3 VC4 VC5 VC6 VC7 VC8 VC16 VC15 VC14 VC13 VC12 VC11 VC10 VC9 VC9 VC10 VC11 VC12...

Page 42: ..._R CELL9 CELL10 CELL15 CELL14 CELL13 CELL12 CELL11 CELL16S 5 4 1 2 3 6 J8 5 4 1 2 3 6 J7 GND C5_R C4_R C3_R C2_R C1_R C7_R C8_R C11_R C10_R C9_R 5 4 1 2 3 6 J9 C16_R C15_R C14_R C13_R C6_R C12_R CELL1...

Page 43: ...0 R77 DNP 0 R79 DNP 0 R69 DNP 0 R73 DNP 0 R75 DNP 0 R78 DNP 0 R74 DNP 0 R72 DNP 0 R68 DNP 0 R54 DNP 0 R50 DNP 0 R51 DNP 0 R55 DNP TP41 GND 43 R60 DNP 43 R66 DNP 43 R59 DNP 43 R65 DNP 10 R58 DNP 10 R6...

Page 44: ...sembly Top BQ75614EVM Schematic Assembly Layout and BOM www ti com 44 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback Copyright...

Page 45: ...3 for same drawings as for BQ79616 www ti com BQ75614EVM Schematic Assembly Layout and BOM SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Document Feedback BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evalua...

Page 46: ...AEC Q200 Grade 1 0603 0603 GCM188R72 A103KA37J MuRata C7 1 4 7uF CAP CERM 4 7 uF 10 V 20 X7R 0805 0805 C2012X7R1A 475M125AC TDK C10 C11 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38...

Page 47: ...Tin Black TH Header 2 54mm 2x1 TH PEC01DAAN Sullins Connector Solutions J3 1 Header 0 5mm 6x1 R A Gold TH Header 0 5mm 6x1 R A TH 22 12 4062 Molex J4 1 Header 2 54 mm 8x2 Tin Vertical TH Header 2 54 m...

Page 48: ...e R5 1 30 0 RES 30 0 1 0 1 W AEC Q200 Grade 0 0603 0603 ERJ 3EKF30 R0V Panasonic R7 R8 R11 R14 R15 R16 R18 R19 8 10 0k RES 10 0 k 1 0 1 W AEC Q200 Grade 0 0603 0603 CRCW06031 0K0FKEA Vishay Dale R9 R1...

Page 49: ...k 5 0 1 W AEC Q200 Grade 0 0603 0603 CRCW06031 K00JNEA Vishay Dale RT1 RT2 RT3 RT4 RT5 RT6 RT7 RT8 8 10k Thermistor NTC 10k ohm 2 0603 0603 ERT J1VG103GA Panasonic S1 S2 2 Switch SPST 8Pos Rocker TH...

Page 50: ...Rata C15 C16 C17 C18 0 220pF CAP CERM 220 pF 50 V 5 X7R 0603 0603 CL10B221JB 8NNNC Samsung Electro Mechanics C19 C20 C21 C22 0 2200pF CAP CERM 2200 pF 2000 V 10 X7R AEC Q200 Grade 1 1206 1206 1206J2K0...

Page 51: ...0Z0EA Vishay Dale R29 R30 0 100 RES 100 1 1 W AEC Q200 Grade 0 2512 2512 CRCW25121 00RFKEG Vishay Dale R50 R51 R52 R53 R54 R55 R56 R57 R68 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 0 0 RES 0 5 0 333...

Page 52: ...Number Rev E3 TID N A Orderable EVM_orderable PWR CB1 CB14 CB15 CB16 VC0 VC1 VC2 VC3 VC4 VC5 VC6 VC7 VC8 VC9 VC10 VC11 VC12 VC13 VC14 VC15 VC16 CB2 CB3 CB4 CB5 CB6 CB7 CB8 CB9 CB10 CB11 CB12 CB13 COM...

Page 53: ...PN Power Supply TP14 GND GND TP13 GND DVDD BBN NFAULT Test Points TP1 TSREF TP2 LDOIN TP3 NEG5V TP4 NPNB TP5 CVDD TP6 AVDD TP7 REFHP TP8 BAT TP43 NFAULT TP11 BBN TP10 BBP TP9 DVDD BBN BBP 402 R9 402 R...

Page 54: ...2 13 14 15 16 17 18 19 20 21 22 J15 PWR CB0 CB1 VC0 VC1 CB3 CB2 CB4 VC1 VC2 VC3 VC4 VC5 VC6 VC7 CB5 CB6 CB7 CB8 VC2 VC3 VC4 VC5 VC6 VC7 VC8 VC16 VC15 VC14 VC13 VC12 VC11 VC10 VC9 VC9 VC10 VC11 VC12 VC...

Page 55: ...EVM_orderable 24V 1 3 2 D5 COMHN COMHP 4 1 2 3 J11 ISO_COMMH_N ISO_COMMH_P 4 1 2 3 J10 COMML_P COMML_N GND GND ISO_COMML_N ISO_COMML_P 24V 1 3 2 D2 GND ISO_COMML_P ISO_COMML_N GND ISO_COMMH_P 100pF C...

Page 56: ...igure 9 6 BQ79656EVM Assembly Top BQ79656EVM Schematic Assembly Layout and BOM www ti com 56 BQ79616 Q1 BQ75614 Q1 and BQ79656 Q1 Evaluation Modules SLUUC37B JULY 2019 REVISED OCTOBER 2020 Submit Docu...

Page 57: ...efe rence PartNumber Manufacturer Alternate PartNumber Alternate Manufacturer PCB1 1 Printed Circuit Board BMS021 Any C1 1 Multilayer Ceramic Capacitors MLCC SMD SMT 1206 0 22uF 100volts X7R 10 1206 G...

Page 58: ...C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 36 0 47uF CAP CERM 0 47 uF 16 V 10 X7R AEC Q200 Grade 1 0603 0603 GCM188R71 C474KA55D MuRata C12 C60 2 1uF CAP CERM 1 uF 16 V 10 X7R AEC...

Page 59: ...J18 J21 6 Header 2 54mm 1x2 Tin Black TH Header 2 54mm 2x1 TH PEC01DAAN Sullins Connector Solutions J3 1 Header 0 5mm 6x1 R A Gold TH Header 0 5mm 6x1 R A TH 22 12 4062 Molex J4 1 Header 2 54 mm 8x2 T...

Page 60: ...PAK ZXTN4004KT C Diodes Inc R2 R120 R123 3 100k RES 100 k 5 0 1 W AEC Q200 Grade 0 0603 0603 CRCW06031 00KJNEA Vishay Dale R3 1 100 RES 100 1 0 75 W AEC Q200 Grade 0 2010 2010 CRCW20101 00RFKEF Vishay...

Page 61: ...S 0 5 0 1 W 0603 0603 RC0603JR 07 0RL Yageo R59 R60 R65 R66 4 51 RES 51 5 0 1 W AEC Q200 Grade 0 0603 0603 CRCW06035 1R0JNEA Vishay Dale R62 R63 2 1 00k RES 1 00 k 1 0 1 W 0603 0603 ERJ 3EKF10 01V Pan...

Page 62: ...2 pos 100 mil 881545 2 TE Connectivity TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP16 TP17 TP18 TP19 TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35 TP36 TP42 TP43...

Page 63: ...80 V Transistor NPN 80 V 1 A AEC Q101 SOT 223 SOT 223 BCP56T1G ON Semiconducto r R10 R13 R17 R122 0 0 RES 0 5 0 25 W AEC Q200 Grade 0 1206 1206 ERJ 8GEY0R 00V Panasonic R20 0 100k RES 100 k 5 0 1 W AE...

Page 64: ...Changes from Revision July 2019 to Revision A October 2019 Page Changed instances of BQ79606 BQ79606 Q1 to BQ79606A BQ79606A Q1 3 Corrected EVM device typographical errors in the General Description a...

Page 65: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 66: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 67: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 68: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 69: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 70: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

Page 71: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ75614EVM 021...

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