SLUUCD7A May   2021  – May 2026

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Features
    1. 1.1 Kit Contents
    2. 1.2 Ordering Information
  5. 2 BQ27427-Based Circuit Module
    1. 2.1 Circuit Module Connections
    2. 2.2 Pin Descriptions
  6. 3 Evaluation Module Physical Layout, Bill of Materials and Schematic
    1. 3.1 Board Layout
    2. 3.2 Bill of Materials
    3. 3.3 Schematic
    4. 3.4 BQ27427 Circuits Module Performance Specification Summary
  7. 4 EVM Hardware and Software Setup
    1. 4.1 Software Installation
  8. 5 Troubleshooting Unexpected Dialog Boxes
  9. 6 Hardware Connection
    1. 6.1 Connecting the BQ27427 Circuit Module to a Battery Pack
    2. 6.2 PC Interface Connection
  10. 7 Operation
    1. 7.1 Starting the Program
    2. 7.2 Setting Programmable BQ27427 Options
  11. 8 Calibration
    1. 8.1 Calibrating the BQ27427
    2. 8.2 Voltage Calibration
    3. 8.3 Board Offset Calibration
  12. 9 Advanced Communication I2C
    1. 9.1 I2C Communication
  13. 10Related Documentation
  14. 11Revision History

3.2 Bill of Materials

Table 3-1 Bill of Materials
Count RefDes Value Description Size Part Number Mfr
1 C1 4.7 Capacitor, Ceramic, 6.3V, X5R, 20% 0402
1 C2 1 Capacitor, Ceramic, 6.3V, X5R, 10% 0402
4 J1,J4,J6,J7 ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST
4 J2,J3,J8,J9 PEC36SAAN Header, Male 3-pin, 100mil spacing 0.100 inch x 3 PEC36SAAN Sullins
1 J5 ED555/3DS Terminal Block, 3-pin, 6-A, 3.5mm 0.41 x 0.25 inch ED555/3DS OST
1 J10 22-05-3041 Header, Friction Lock Ass'y, 4-pin Right Angle 0.400 x 0.500 22-05-3041 Molex
1 R1 14.7k Resistor, Chip, 1/16-W, 5% 0402 Std Std
1 R2 10k Resistor, Chip, 1/16-W, 5% 0402 Std Std
2 R3,R4 5.1k Resistor, Chip, 1/16-W, 5% 0402 Std Std
4 TP1,TP7,TP9 5001 Test Point, Black, Thru Hole Color Keyed 0.100 × 0.100 inch 5001 Keystone
7 TP2,TP3,TP11,TP12 5002 Test Point, White, Thru Hole Color Keyed 0.100 × 0.100 inch 5002 Keystone
3 TP4,TP5,T6,TP10 5000 Test Point, Red, Thru Hole Color Keyed 0.100 × 0.100 inch 5000 Keystone
1 U1 BQ27427YZF IC, Battery Gauge DSBGA BQ27427 TI