SLUUC74 May   2021 BQ25720 , BQ25723

 

  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

3.1 Bill of Materials

Table 3-1 lists the BQ2572x EVM bill of materials.

Table 3-1 BQ2572x EVM Bill of Materials
DesignatorQtyValueDescriptionPackage ReferencePart NumberManufacturer
!PCB11Printed Circuit BoardBMS035Any
C3, C4, C23, C24, C44, C45610uFCAP, CERM, 10 uF, 35 V, ±10%, X5R, 0805805GRM21BR6YA106KE43LMuRata
C5, C6, C7, C8, C9, C10, C21710uFCAP, CERM, 10 uF, 25 V, ±10%, X5R, 0805805GRM21BR61E106KA73LMuRata
C12, C4120.01uFCAP, CERM, 0.01 uF, 50 V, ±10%, X7R, 0603603GRM188R71H103KA01DMuRata
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 µF, 35 V,±10%, X7R, AEC-Q200 Grade 1, 0603603CGA3E1X7R1V105K080AETDK
C19, C202150pFCAP, CERM, 150 pF, 50 V, ±5%, C0G/NP0, 0603603C0603C151J5GACTUKemet
C22, C27, C38, C3940.1uFCAP, CERM, 0.1 uF, 50 V, ±10%, X7R, 0603603C1608X7R1H104K080AATDK
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
C3211200pFCAP, CERM, 1200 pF, 50 V, ±10%, X7R, 0402402GRM155R71H122KA01DMuRata
C3313300pFCAP, CERM, 3300 pF, 50 V, ±10%, X7R, 0402402GRM155R71H332KA01DMuRata
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, H44Bumpon, Hemisphere, 0.44 X 0.20, ClearTransparent BumponSJ-5303 (CLEAR)3M
J1, J5, J63Terminal Block, 5.08 mm, 2x1, Brass, TH2x1 5.08 mm Terminal BlockED120/2DSOn-Shore Technology
J21Terminal Block, 3.5mm Pitch, 4x1, TH14x8.2x6.5mmED555/4DSOn-Shore Technology
J31Connector Header Through Hole, Right Angle 4 position 0.100" (2.54mm)HDR422053041Molex
J41Terminal Block, 3.5mm Pitch, 3x1, TH10.5x8.2x6.5mmED555/3DSOn-Shore Technology
J71Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH5x2 Shrouded headerN2510-6002-RB3M
JP1, JP2, JP4, JP6, JP85Header, 100mil, 2x1, Gold, THHeader, 2x1, 100mil5-146261-1TE Connectivity
JP31Header, 100mil, 4x2, Gold, TH4x2 HeaderTSW-104-07-G-DSamtec
JP71Header, 100mil, 3x1, Tin, THHeader, 3 PIN, 100mil, TinPEC03SAANSullins Connector Solutions
L112.2µH Shielded Wirewound Inductor 13A 9mOhm Max 10x10x3mmSMT_IND_11MM2_10MM1BMRHDY1010302R2MA1Chilisin Electronics
LBL11Thermal 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, 12 A, DNH0008A (VSONP-8)DNH0008ACSD17578Q3ATexas Instruments
Q51MOSFET P-CH 30V 3X3 DFNDFN8AONR21307Alpha & Omega Semiconductor
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, R220.01RES, 0.01, 1%, 1 W, 12061206WSLP1206R0100FEAVishay-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
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
R22116.9kRES, 16.9 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402402CRCW040216K9FKEDVishay-Dale
R23110.0kRES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402402CRCW040210K0FKEDVishay-Dale
R271220kRES, 220 k, 1%, 0.1 W, 0603603RC0603FR-07220KLYageo
R301137kRES, 137 k, 1%, 0.1 W, 0603603RC0603FR-07137KLYageo
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-JP1, SH-JP2, SH-JP3, SH-JP7, SH-JP851x2Shunt, 100mil, Gold plated, BlackShuntSNT-100-BK-GSamtec
TP1, TP6, TP7, TP10, TP11, TP13, TP147WhiteTest Point, Miniature, White, THWhite Miniature Testpoint5002Keystone
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, TP93Test Point, Multipurpose, Red, THRed Multipurpose Testpoint5010Keystone
TP8, TP31, TP393Test Point, Multipurpose, Black, THBlack Multipurpose Testpoint5011Keystone
U11SMBus/I2C, 1-4 Cell Narrow VDC Buck-Boost Battery Charge Controller With System Power Monitor and Processor Hot MonitorWQFN32BQ25720RSN for BQ25720EVM; BQ25723RSN for BQ25723EVMTexas Instruments
U21100 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
C1015pFCAP, CERM, 15 pF, 50 V, ±5%, C0G/NP0, 0603603C0603C150J5GACTUKemet
C2047uFCAP, Aluminum Polymer, 47 uF, 25 V, ±20%, 0.03 ohm, F61 SMDF6125SVPF47MPanasonic
C1100.01uFCAP, CERM, 0.01 uF, 50 V, ±10%, X7R, 0603603GRM188R71H103KA01DMuRata
C13, C140330pFCAP, CERM, 330 pF, 50 V, ±10%, X7R, 0603603GRM188R71H331KA01DMuRata
C40, C51, C52010uFCAP, CERM, 10 uF, 25 V, ±10%, X5R, 0805805GRM21BR61E106KA73LMuRata
C42, C43010uFCAP, CERM, 10 uF, 35 V, ±10%, X5R, 0805805GRM21BR6YA106KE43LMuRata
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, FID60Fiducial 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
R800RES, 0, 5%, 0.1 W, 0603603RC0603JR-070RLYageo
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