SLAA476B February   2011  – July 2019 BQ2040 , BQ2040 , BQ2060A , BQ2060A , BQ2063 , BQ2063 , BQ2083-V1P3 , BQ2083-V1P3 , BQ2084-V143 , BQ2084-V143 , BQ2084-V150 , BQ2084-V150 , BQ2085-V1P3 , BQ2085-V1P3 , BQ20Z40-R1 , BQ20Z40-R1 , BQ20Z70-V160 , BQ20Z70-V160 , BQ20Z80A-V110 , BQ20Z80A-V110 , BQ28400 , BQ28400 , BQ78PL114 , BQ78PL114 , BQ78PL116 , BQ78PL116 , LM5145 , LM5145 , MSP430F5500 , MSP430F5500 , MSP430F5501 , MSP430F5501 , MSP430F5502 , MSP430F5502 , MSP430F5503 , MSP430F5503 , MSP430F5504 , MSP430F5504 , MSP430F5505 , MSP430F5505 , MSP430F5506 , MSP430F5506 , MSP430F5507 , MSP430F5507 , MSP430F5508 , MSP430F5508 , MSP430F5509 , MSP430F5509 , MSP430F5510 , MSP430F5510 , TPS40057 , TPS40057 , TPS40170 , TPS40170

1.   Wide-Vin Battery Charger Using SMBus Communication Interface Between MSP430™ MCUs and bq Fuel Gauges
   1.     Trademarks
   2. 1  Introduction
   3. 2  Hardware
      1. 2.1 Overall System Description
      2. 2.2 MSP430F5510 Daughterboard Subsystem
         1. 2.2.1 Subsystem Description
         2. 2.2.2 MSP430F5510 Port Pins Functionality Description
      3. 2.3 Power Stage Board Subsystem
         1. 2.3.1 Subsystem Description
         2. 2.3.2 Input Protection Features
         3. 2.3.3 Constant-Voltage and Constant-Current Feedback
   4. 3  Software
      1. 3.1 SMBus Protocol Description
      2. 3.2 Software File Structure
      3. 3.3 API Calls Description
         1. 3.3.1  UCS_Init ( )
         2. 3.3.2  Timer_Init ( )
         3. 3.3.3  PWM_Init ( )
         4. 3.3.4  ADC_Init ( )
         5. 3.3.5  Fan_Init ( )
         6. 3.3.6  LED_Init ( )
         7. 3.3.7  SMBus_Initialize ( )
         8. 3.3.8  LED_Control ( )
         9. 3.3.9  Fan_Control ( )
         10. 3.3.10 VI_ADC_Read ( )
         11. 3.3.11 SMBus_Select ( )
         12. 3.3.12 Calibrate_Battery ( )
         13. 3.3.13 Delay_Timer ( )
         14. 3.3.14 PWM_Control ( )
         15. 3.3.15 Smbus_Access ( )
         16. 3.3.16 Smbus_Access_PEC ( )
         17. 3.3.17 crc8MakeBitwise ( )
      4. 3.4 Sample Application Description
   5. 4  SBS Supported Commands Using SMBus Protocol
   6. 5  Detailed Sample Application Flow Chart
   7. 6  Battery Status Register Description
      1. 6.1 BatteryStatus (0x16)
   8. 7  MSP430F5510 Daughterboard Schematics
   9. 8  Setting Up the MSP430F5510 Daughterboard Hardware
      1. 8.1 JTAG FET Debugger Interface (Power Up, Program and Debug Options)
      2. 8.2 eZ430 Emulator Interface (Power Up, Program and Debug Options)
      3. 8.3 Power Stage Board (Power Up Option Only)
   10. 9  Battery Calibration Circuit Setup
   11. 10 Battery Voltage and PWM Conversions
   12. 11 Battery Current and PWM Conversions
   13. 12 Power Stage Board Schematics (Generation 1: 40-V Input)
   14. 13 Bode Plot Measurement for Feedback Loop Stability Analysis
   15. 14 Power Stage Board Schematics (Generation 2: 60-V Input)
   16. 15 Setting Up the Power Stage Board Hardware
   17. 16 References
2.   Revision History