SLUSCG5A May   2016  – July 2016

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
  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 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Overvoltage-Protection (OVP) - Continuously Monitored
      2. 8.3.2  CHG Pin Indication (bq25101, bq25101H)
      3. 8.3.3  CHG Pin LED Pull-up Source (bq25101, bq25101H)
      4. 8.3.4  IN-DPM (VIN-DPM or IN-DPM)
      5. 8.3.5  OUT
      6. 8.3.6  ISET
      7. 8.3.7  PRE_TERM - Pre-Charge and Termination Programmable Threshold
      8. 8.3.8  TS
      9. 8.3.9  Timers
      10. 8.3.10 Termination
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down or Undervoltage Lockout (UVLO)
      2. 8.4.2 Power-up
      3. 8.4.3 Sleep Mode
      4. 8.4.4 New Charge Cycle
      5. 8.4.5 Termination and Timer Disable Mode (TTDM) - TS Pin High
      6. 8.4.6 Battery Detect Routine
      7. 8.4.7 Refresh Threshold
      8. 8.4.8 Starting a Charge on a Full Battery
  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 Procedures
        1. 9.2.2.1 Calculations
          1. 9.2.2.1.1 Program the Fast Charge Current, ISET:
          2. 9.2.2.1.2 Program the Termination Current Threshold, ITERM:
          3. 9.2.2.1.3 TS Function
          4. 9.2.2.1.4 Selecting IN and OUT Pin Capacitors
      3. 9.2.3 Application Performance Plots
  10. 10Power Supply Recommendations
    1. 10.1 Leakage Current Effects on Battery Capacity
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

10 Power Supply Recommendations

10.1 Leakage Current Effects on Battery Capacity

To determine how fast a leakage current on the battery will discharge the battery is an easy calculation. The time from full to discharge can be calculated by dividing the Amp-Hour Capacity of the battery by the leakage current. For a 0.1-AHr battery and a 75-nA leakage current (100 mAHr/75 nA = 250000 Hours), it would take 1333k hours or 152 years to discharge. In reality the self discharge of the cell would be much faster so the 75-nA leakage would be considered negligible.