SLUUCB9A June   2020  – January 2021 BQ25730 , BQ25731

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 General Description
  3. 2Test Summary
    1. 2.1 Definitions
    2. 2.2 Equipment
    3. 2.3 Equipment Setup
    4. 2.4 Procedure
      1. 2.4.1 Charge Function
      2. 2.4.2 OTG Function
  4. 3Bill of Materials, Board Layout, and Schematics
    1. 3.1 Bill of Materials
    2. 3.2 Board Assembly Layout
    3. 3.3 Schematic
  5.   Revision History

3.1 Bill of Materials

Table 3-1 lists the BQ2573X EVM bill of materials.

Table 3-1 BQ2573X EVM Bill of Materials
DesignatorQTYValueDescriptionPackage ReferencePart NumberManufacturer
!PCB11 Printed Circuit Board BMS051Any
C3, C4, C5, C6, C7, C8, C9, C10, C21, C23, C24, C40, C42, C43, C44, C45, C51, C521810uFCAP, CERM, 10 uF, 35 V, +/- 10%, X5R, 0805805GRM21BR6YA106KE43LMuRata
C11, C12, C4130.01uFCAP, CERM, 0.01 uF, 50 V, +/- 5%, X7R, 0603603C0603C103J5RACTUKemet
C15, C1620.047uFCAP, CERM, 0.047 uF, 25 V, +/- 10%, X7R, 0603603GRM188R71E473KA01DMuRata
C1711000pFCAP, CERM, 1000 pF, 50 V, +/- 5%, C0G/NP0, 0402402C1005NP01H102J050BATDK
C18, C28, C2931uFCAP, CERM, 1 uF, 35 V, +/- 10%, X7R, 0603603CGA3E1X7R1V105K080ACTDK
C19, C202150pFCAP, CERM, 150 pF, 50 V, +/- 5%, C0G/NP0, 0603603C0603C151J5GACTUKemet
C22, C27, C38, C3940.1uFCAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0603603CGA3E2X7R1H104K080AATDK
C2510.47uFCAP, CERM, 0.47 uF, 50 V, +/- 10%, X7R, 0805805C2012X7R1H474K125ABTDK
C26, C55210uFCAP, CERM, 10 uF, 25 V, +/- 10%, X7R, 12061206GRM31CR71E106KA12LMuRata
C3012.2uFCAP, CERM, 2.2 uF, 35 V, +/- 10%, X5R, 0603603GRM188R6YA225KA12DMuRata
C31133pFCAP, CERM, 33 pF, 50 V, +/- 5%, C0G/NP0, 0402402GRM1555C1H330JA01DMuRata
C321680pFCAP, CERM, 680 pF, 50 V, +/- 5%, C0G/NP0, 0402402GRM1555C1H681JA01DMuRata
C3314700pFCAP, CERM, 4700 pF, 50 V, +/- 10%, X7R, 0402402GRM155R71H472KA01DMuRata
C34115pFCAP, CERM, 15 pF, 50 V, +/- 5%, C0G/NP0, 0402402GRM1555C1H150JA01DMuRata
C35, C36, C373100pFCAP, CERM, 100 pF, 50 V, +/- 5%, C0G/NP0, 0603603C0603C101J5GACKemet
C46, C4720.033uFCAP, CERM, 0.033 uF, 50 V, +/- 10%, X7R, 0603603GRM188R71H333KA61DMuRata
C48, C49, C53333uFCAP, TA, 33 uF, 35 V, +/- 20%, 0.065 ohm, SMD7343-31T521D336M035ATE065Kemet
D2, D3230VDiode, Schottky, 30 V, 0.2 A, SOD-323SOD-323BAT54HT1GON Semiconductor
D41GreenLED, Green, SMD1.6x0.8x0.8mmLTST-C190GKTLite-On
H1, H2, H3, H44 Bumpon, Hemisphere, 0.44 X 0.20, ClearTransparent BumponSJ-5303 (CLEAR)3M
J1, J5, J63 Terminal Block, 5.08 mm, 2x1, Brass, TH2x1 5.08 mm Terminal BlockED120/2DSOn-Shore Technology
J21 Terminal Block, 3.5mm Pitch, 4x1, TH14x8.2x6.5mmED555/4DSOn-Shore Technology
J31 Connector Header Through Hole, Right Angle 4 position 0.100" (2.54mm)HDR422053041Molex
J41 Terminal Block, 3.5mm Pitch, 3x1, TH10.5x8.2x6.5mmED555/3DSOn-Shore Technology
J71 Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH5x2 Shrouded headerN2510-6002-RB3M
JP2, JP4, JP6, JP84 Header, 100mil, 2x1, Gold, THHeader, 2x1, 100mil5-146261-1TE Connectivity
JP31 Header, 100mil, 5x2, Gold, TH5x2 HeaderTSW-105-07-G-DSamtec
L11 4.7µH Shielded Wirewound Inductor 13A 9mOhm Max 10x10x4mmSMT_IND_11MM2_10MM1BMQADY1010404R7MA1Chilisin Electronics
LBL11 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per rollPCB Label 0.650 x 0.200 inchTHT-14-423-10Brady
Q1, Q2, Q3, Q4430VMOSFET, N-CH, 30 V, 27 A, DFN5x6DFN5x6AON6362 AOS
Q51-30VMOSFET, P-CH, -30 V, -85 A, DFN5x6DFN5x6AON6407AOS
Q6, Q72-30VMOSFET, P-CH, -30 V, -8.5 A, AEC-Q101, 8-PowerVDFN8-PowerVDFNDMP3035SFG-7Diodes Inc.
Q9150 VTransistor, NPN/PNP Pair, 50 V, 0.05 A, SC-74RSC-74RDCX124EK-7-FDiodes Inc.
Q10, Q11, Q12360VMOSFET, N-CH, 60 V, 0.26 A, SOT-23SOT-232N7002ET1GON Semiconductor
R1, R220.005RES, 0.005, 1%, 1 W, AEC-Q200 Grade 0, 12061206WSLP12065L000FEAVishay-Dale
R3, R423.9RES, 3.9, 5%, 0.25 W, AEC-Q200 Grade 0, 12061206CRCW12063R90JNEAVishay-Dale
R7, R24, R293300kRES, 300 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603300KFKEAVishay-Dale
R810RES, 0, 1%, 0.5 W, 08058055106Keystone
R9, R282100kRES, 100 k, 1%, 0.1 W, 0603603RC0603FR-07100KLYageo
R10, R38210RES, 10.0, 1%, 0.25 W, AEC-Q200 Grade 0, 12061206ERJ-8ENF10R0VPanasonic
R11, R1224.99RES, 4.99, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW06034R99FKEAVishay-Dale
R1311RES, 1.0, 5%, 0.125 W, AEC-Q200 Grade 0, 0805805CRCW08051R00JNEAVishay-Dale
R14120kRES, 20 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060320K0JNEAVishay-Dale
R15, R16, R18310RES, 10, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060310R0JNEAVishay-Dale
R17, R25, R32, R33, R35, R39, R45710.0kRES, 10.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060310K0FKEAVishay-Dale
R191383kRES, 383 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603383KFKEAVishay-Dale
R20182kRES, 82 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060382K0JNEAVishay-Dale
R2111.00kRES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW06031K00FKEAVishay-Dale
R22140.2kRES, 40.2 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402402CRCW040240K2FKEDVishay-Dale
R23115.0kRES, 15.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402402CRCW040215K0FKEDVishay-Dale
R271220kRES, 220 k, 1%, 0.1 W, 0603603RC0603FR-07220KLYageo
R301191kRES, 191 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603191KFKEAVishay-Dale
R34130.1kRES, 30.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060330K1FKEAVishay-Dale
R3612.00kRES, 2.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW06032K00FKEAVishay-Dale
R4012.0MegRES, 2.0 M, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW06032M00JNEAVishay-Dale
R411150kRES, 150 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603150KJNEAVishay-Dale
R42133kRES, 33 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060333K0JNEAVishay-Dale
SH-JP2, SH-JP3, SH-JP831x2Shunt, 100mil, Gold plated, BlackShuntSNT-100-BK-GSamtec
TP2, TP3, TP12, TP15, TP16, TP17, TP18, TP19, TP20, TP21, TP22, TP23, TP24, TP25, TP26, TP27, TP28, TP29, TP30, TP32, TP33, TP34, TP35, TP36, TP37, TP3826SMTTest Point, Miniature, SMTTestpoint_Keystone_Miniature5015Keystone
TP4, TP5, TP93 Test Point, Multipurpose, Red, THRed Multipurpose Testpoint5010Keystone
TP6, TP7, TP10, TP11, TP13, TP146WhiteTest Point, Miniature, White, THWhite Miniature Testpoint5002Keystone
TP8, TP31, TP393 Test Point, Multipurpose, Black, THBlack Multipurpose Testpoint5011Keystone
U11 I2C 1- to 5-Cell Narrow VDC Buck-Boost Battery Charge ControllerWQFN32BQ25730RSN for BQ25730EVM; BQ25731RSN for BQ25731EVMTexas Instruments
U21 100 mA, Quasi Low-Dropout Linear Voltage Regulator, 3-pin SOT-23, Pb-FreeDBZ0003ALM3480IM3-3.3/NOPBTexas Instruments
Z1126VDiode, TVS, Bi, 26 V, 42.1 Vc, 400 W, 9.5 A, SMA (non-polarized)SMA (non-polarized)SMAJ26CALittelfuse
C2047uFCAP, Aluminum Polymer, 47 uF, 25 V, +/- 20%, 0.03 ohm, F61 SMDF6125SVPF47MPanasonic
C13, C140330pFCAP, CERM, 330 pF, 50 V, +/- 10%, X7R, 0603603GRM188R71H331KA01DMuRata
C50, C54, C56033uFCAP, TA, 33 uF, 35 V, +/- 20%, 0.065 ohm, SMD7343-31T521D336M035ATE065Kemet
C5700.068uFCAP, CERM, 0.068 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402402CGA2B3X7R1H683K050BBTDK
C58, C5900.018uFCAP, CERM, 0.018 uF, 50 V, +/- 10%, X7R, 0603603GRM188R71H183KA01DMuRata
D1020VDiode, Schottky, 20 V, 2 A, SMASMAB220A-13-FDiodes Inc.
FID1, FID2, FID3, FID4, FID5, FID60 Fiducial mark. There is nothing to buy or mount.N/AN/AN/A
R5, R6056RES, 56, 5%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060356R0JNEAVishay-Dale
R310100RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603100RFKEAVishay-Dale
R37010.0kRES, 10.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW060310K0FKEAVishay-Dale
R43, R4600RES, 0, 1%, 0.5 W, 08058055106Keystone
R440100kRES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603603CRCW0603100KFKEAVishay-Dale
SH-JP4, SH-JP601x2Shunt, 100mil, Gold plated, BlackShuntSNT-100-BK-GSamtec
  1. For BQ25730EVM, Install Q5 and do not install R46; For BQ25731EVM, Install R46 and do not install Q5.