SLUSBU9H March   2014  – June 2021 BQ2970 , BQ2971 , BQ2972 , BQ2973

PRODUCTION DATA  

1. 1 Features
2. 2 Applications
3. 3 Description
4. 4 Revision History
5. 5 Device Comparison Table
6. 6 Pin Configuration and Functions
   1. 6.1 Pin Descriptions
      1. 6.1.1 Supply Input: BAT
      2. 6.1.2 Cell Negative Connection: VSS
      3. 6.1.3 Voltage Sense Node: V–
      4. 6.1.4 Discharge FET Gate Drive Output: DOUT
      5. 6.1.5 Charge FET Gate Drive Output: COUT
7. 7 Specifications
   1. 7.1 Absolute Maximum Ratings
   2. 7.2 ESD Ratings
   3. 7.3 Recommended Operating Conditions
   4. 7.4 Thermal Information
   5. 7.5 DC Characteristics
   6. 7.6 Programmable Fault Detection Thresholds
   7. 7.7 Programmable Fault Detection Timer Ranges
   8. 7.8 Typical Characteristics
8. 8 Parameter Measurement Information
   1. 8.1 Timing Charts
   2. 8.2 Test Circuits
   3. 8.3 Test Circuit Diagrams
9. 9 Detailed Description
   1. 9.1 Overview
   2. 9.2 Functional Block Diagram
   3. 9.3 Feature Description
   4. 9.4 Device Functional Modes
      1. 9.4.1 Normal Operation
      2. 9.4.2 Overcharge Status
      3. 9.4.3 Over-Discharge Status
      4. 9.4.4 Discharge Overcurrent Status (Discharge Overcurrent, Load Short-Circuit)
      5. 9.4.5 Charge Overcurrent Status
      6. 9.4.6 0-V Charging Function Enabled
      7. 9.4.7 0-V Charging Inhibit Function
      8. 9.4.8 Delay Circuit
10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
       1. 10.2.1 Design Requirements
       2. 10.2.2 Detailed Design Procedure
       3. 10.2.3 Application Performance Plots
11. 11Power Supply Recommendations
12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
13. 13Device and Documentation Support
    1. 13.1 Related Documentation
    2. 13.2 Support Resources
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
14. 14Mechanical, Packaging, and Orderable Information