SLUSA91C October   2010  – October 2015

PRODUCTION DATA.  

1. 1 Features
2. 2 Applications
3. 3 Description
4. 4 Revision History
5. 5 Pin Configuration and Functions
6. 6 Specifications
   1. 6.1  Absolute Maximum Ratings
   2. 6.2  ESD Ratings
   3. 6.3  Recommended Operating Conditions
   4. 6.4  Thermal Information
   5. 6.5  Electrical Characteristics: Supply Current
   6. 6.6  Power-On Reset (POR)
   7. 6.7  Wake From Sleep
   8. 6.8  RBI RAM Backup
   9. 6.9  3.3-V Regulator
   10. 6.10 2.5-V Regulator
   11. 6.11 PRES, SMBD, SMBC
   12. 6.12 CHG, DSG FET Drive
   13. 6.13 PCHG FET Drive
   14. 6.14 FUSE
   15. 6.15 Coulomb Counter
   16. 6.16 VC1, VC2, VC3, VC4
   17. 6.17 TS1, TS2
   18. 6.18 Internal Temperature Sensor
   19. 6.19 Internal Thermal Shutdown
   20. 6.20 High-Frequency Oscillator
   21. 6.21 Low-Frequency Oscillator
   22. 6.22 Internal Voltage Reference
   23. 6.23 Flash
   24. 6.24 OCD Current Protection
   25. 6.25 SCD1 Current Protection
   26. 6.26 SCD2 Current Protection
   27. 6.27 SCC Current Protection
   28. 6.28 SBS Timing Requirements
   29. 6.29 Typical Characteristics
7. 7 Parameter Measurement Information
   1. 7.1 Battery Parameter Measurements
      1. 7.1.1 Charge and Discharge Counting
      2. 7.1.2 Voltage
      3. 7.1.3 Current
      4. 7.1.4 Auto Calibration
      5. 7.1.5 Temperature
      6. 7.1.6 Communications
         1. 7.1.6.1 SMBus On and Off State
         2. 7.1.6.2 SBS Commands
8. 8 Detailed Description
   1. 8.1 Overview
      1. 8.1.1 Configuration
         1. 8.1.1.1 Oscillator Function
         2. 8.1.1.2 System Present Operation
         3. 8.1.1.3 2-, 3-, or 4-Cell Configuration
         4. 8.1.1.4 Cell Balancing
            1. 8.1.1.4.1 Internal Cell Balancing
            2. 8.1.1.4.2 External Cell Balancing
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Primary (1st Level) Safety Features
      2. 8.3.2 Secondary (2nd Level) Safety Features
      3. 8.3.3 Charge Control Features
      4. 8.3.4 Gas Gauging
      5. 8.3.5 Lifetime Data Logging Features
      6. 8.3.6 Authentication
   4. 8.4 Device Functional Modes
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
         1. 9.2.2.1 High-Current Path
            1. 9.2.2.1.1 Protection FETs
            2. 9.2.2.1.2 Chemical Fuse
            3. 9.2.2.1.3 Lithium-Ion Cell Connections
            4. 9.2.2.1.4 Sense Resistor
            5. 9.2.2.1.5 ESD Mitigation
         2. 9.2.2.2 Gas Gauge Circuit
            1. 9.2.2.2.1 Differential Low-Pass Filter
            2. 9.2.2.2.2 Power Supply Decoupling and RBI
            3. 9.2.2.2.3 System Present
            4. 9.2.2.2.4 SMBus Communication
            5. 9.2.2.2.5 FUSE Circuitry
            6. 9.2.2.2.6 PFIN Detection
         3. 9.2.2.3 Secondary-Current Protection
            1. 9.2.2.3.1 Cell and Battery Inputs
            2. 9.2.2.3.2 External Cell Balancing
            3. 9.2.2.3.3 PACK and FET Control
            4. 9.2.2.3.4 Regulator Output
            5. 9.2.2.3.5 Temperature Output
         4. 9.2.2.4 Secondary-Overvoltage Protection
            1. 9.2.2.4.1 Cell Inputs
            2. 9.2.2.4.2 Time-Delay Capacitor
      3. 9.2.3 Application Curves
   3. 9.3 System Example
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
12. 12Device and Documentation Support
    1. 12.1 Documentation Support
       1. 12.1.1 Related Documentation
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Glossary
13. 13Mechanical, Packaging, and Orderable Information