SLUUCK2A October   2022  – November 2022 BQ25620 , BQ25622

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 General Descriptions
  4. 2Testing Procedures
    1. 2.1 Equipment
    2. 2.2 Hardware Setup
    3. 2.3 Software Setup
    4. 2.4 Test Procedure
      1. 2.4.1 Initial Power Up
      2. 2.4.2 I2C Register Communication Verification
      3. 2.4.3 Charger Mode Verification
      4. 2.4.4 Boost Mode Verification
      5. 2.4.5 Helpful Tips
  5. 3PCB Layout Guideline
  6. 4Board Layout, Schematic, and Bill of Materials
    1. 4.1 Board Layout
    2. 4.2 Schematic
    3. 4.3 Bill of Materials
  7. 5Revision History

4.3 Bill of Materials

Table 4-1 lists the BQ25620EVM and BQ25622EVM BOM.

Table 4-1 BMS050 Bill of Materials
Designator 620EVM 622EVM Value Description Package Reference Part Number Manufacturer
C2 1 1 1uF CAP, CERM, 1 uF, 35 V, +/- 10%, X7R, AEC-Q200 Grade 0, 0603 603 GMK107AB7105KAHT Taiyo Yuden
C5 1 1 0.047uF CAP, CERM, 0.047 uF, 25 V, +/- 10%, X7R, 0402 402 GRM155R71E473KA88D MuRata
C6 1 1 4.7uF CAP, CERM, 4.7 uF, 25 V, +/- 10%, X5R, 0603 603 GRM188R61E475KE11D MuRata
C9, C10, C13 3 3 10uF CAP, CERM, 10 uF, 25 V, +/- 10%, X5R, 0805 805 C2012X5R1E106K125AB TDK
C17 1 1 10uF CAP, CERM, 10 uF, 25 V, +/- 20%, X5R, 0603 603 GRT188R61E106ME13D MuRata
C18 1 1 0.1uF CAP, CERM, 0.1 uF, 50 V,+/- 10%, X7R, 0402 402 C1005X7R1H104K050BE TDK
D4, D5 2 1 Green LED, Green, SMD 1.6x0.8x0.8mm LTST-C190GKT Lite-On
H1, H2, H3, H4 4 4 Bumpon, Hemisphere, 0.44 X 0.20, Clear Transparent Bumpon SJ-5303 (CLEAR) 3M
J1, J2, J3 3 3 Terminal Block, 5.08 mm, 2x1, Brass, TH 2x1 5.08 mm Terminal Block ED120/2DS On-Shore Technology
J4 1 1 Terminal Block, 5.08 mm, 3x1, Brass, TH 3x1 5.08 mm Terminal Block ED120/3DS On-Shore Technology
J5 1 1 Connector, Receptacle, Micro-USB Type B, R/A, Bottom Mount SMT 7.5x2.45x5mm 473460001 Molex
J6 1 1 Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH 5x2 Shrouded header N2510-6002-RB 3M
J7 1 1 Header (friction lock), 100mil, 4x1, R/A, TH 4x1 R/A Header 22/05/3041 Molex
JP2, JP3, JP7, JP8, JP10, JP13, JP14 7 7 Header, 100mil, 2x1, Tin, TH Header, 2 PIN, 100mil, Tin PEC02SAAN Sullins Connector Solutions
JP6, JP9, JP12 3 0 Header, 100mil, 2x1, Tin, TH Header, 2 PIN, 100mil, Tin PEC02SAAN Sullins Connector Solutions
JP5 0 1 Header, 100mil, 2x1, Tin, TH Header, 2 PIN, 100mil, Tin PEC02SAAN Sullins Connector Solutions
JP11 1 1 Header, 100mil, 3x1, Tin, TH Header, 3 PIN, 100mil, Tin PEC03SAAN Sullins Connector Solutions
L2 1 1 1uH 1µH @ 20% Shielded Molded Inductor 4.2A 42mOhm Max 1008 Isat: 4.6A (2520 Metric) - SMT_IND_2MM0_2MM5 252012CDMCDDS-1R0MC Sumida
R1, R2, R8, R10 4 4 0.01 RES, 0.01, 1%, 1 W, 2010 2010 WSL2010R0100FEA18 Vishay-Dale
R6, R13, R14, R15, R16 5 5 10.0k RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW040210K0FKED Vishay-Dale
R7 1 1 0 RES, 0, 1%, 0.5 W, 0805 805 5106 Keystone
R18, R19 2 2 2.21k RES, 2.21 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04022K21FKED Vishay-Dale
R22 0 1 2.49k RES, 2.49 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04022K49FKED Vishay-Dale
R23 1 1 10 RES, 10.0, 1%, 0.25 W, AEC-Q200 Grade 0, 1206 1206 ERJ-8ENF10R0V Panasonic
R24 1 1 5.23k RES, 5.23 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04025K23FKED Vishay-Dale
R26 1 1 4.7k RES, 4.7 k, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04024K70JNED Vishay-Dale
R27 1 1 30.1k RES, 30.1 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW040230K1FKED Vishay-Dale
S1 1 1 Switch, Normally open, 2.3N force, 200k operations, SMD KSR KSR221GLFS C&K Components
SH-JP2, SH-JP3, SH-JP7, SH-JP8, SH-JP10, SH-JP11, SH-JP13, SH-JP14 8 8 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
SH-JP6, SH-JP9, SH-JP12 3 0 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
JP5 0 1 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP16, TP17, TP18, TP19, TP20, TP21, TP22, TP23, TP24, TP25, TP26 19 19 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone
TP9, TP10, TP11, TP12 4 4 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP13 1 1 Test Point, Miniature, Yellow, TH Yellow Miniature Testpoint 5004 Keystone
TP14, TP15, TP33 3 3 Test Point, Miniature, Orange, TH Orange Miniature Testpoint 5003 Keystone
TP27, TP28, TP29 3 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone
TP30, TP31, TP32 3 3 Test Point, Compact, SMT Testpoint_Keystone_Compact 5016 Keystone
U1 1 0 I2C Controlled, 3.5-A or 2-A, Maximum 17V or 18V Input, Charger with NVDC Power Path Management and OTG Output WQFN-HR18 BQ25620RYKR Texas Instruments
U1 0 1 I2C Controlled, 3.5-A or 2-A, Maximum 17V or 18V Input, Charger with NVDC Power Path Management and OTG Output WQFN-HR18 BQ25622RYKR Texas Instruments