JAJSL52A april   2020  – february 2021 BQ25968

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Revision History
  6. 概要 (続き)
  7. Device Comparison Table
  8. Pin Configuration and Functions
  9. Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  10. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Charging System
      2. 9.3.2  Battery Charging Profile
      3. 9.3.3  Control State Diagram for System Implementation
      4. 9.3.4  Device Power Up
      5. 9.3.5  Switched Cap Function
        1. 9.3.5.1 Theory of Operation
      6. 9.3.6  Charging Start-Up
      7. 9.3.7  Integrated 16-Bit ADC for Monitoring and Smart Adapter Feedback
      8. 9.3.8  Device Internal Thermal Shutdown, TSBUS, and TSBAT Temperature Monitoring
      9. 9.3.9  INT Pin, STAT, FLAG, and MASK Registers
      10. 9.3.10 CDRVH and CDRVL_ADDRMS Functions
      11. 9.3.11 Parallel Operation Using Master and Slave Modes
    4. 9.4 Device Functional Modes
      1. 9.4.1 Device Modes and Protection Status
        1. 9.4.1.1 Input Overvoltage, Overcurrent, Undercurrent and Short-Circuit Protection
        2. 9.4.1.2 Battery Overvoltage and Overcurrent Protection
        3. 9.4.1.3 Cycle-by-Cycle Current Limit
    5. 9.5 Programming
      1. 9.5.1 F/S Mode Protocol
    6. 9.6 Register Maps
      1. 9.6.1 Customer Registers
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Standalone Application Information (for use with switching charger)
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Parallel BQ25968 for Higher Power Applications
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curve
  12. 11Power Supply Recommendations
  13. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  14. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 サード・パーティ製品に関する免責事項
      2. 13.1.2 Device Nomenclature
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 サポート・リソース
    5. 13.5 Trademarks
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 用語集
  15. 14Mechanical, 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

Typical Characteristics

Typical characteristics are taken with test equipment for nonswitching tests, and with the EVM-893 for switching tests.

GUID-32581A92-ADBD-4FBF-80A5-0953A0165AD6-low.gif
Figure 8-1 BQ25968 Device Efficiency, 3 x 22-µF Caps Per Phase
GUID-287ACA51-8C59-43BE-B836-C2ECA11D71CF-low.gif
Figure 8-3 BQ25968 Device Efficiency, 4 x 22-µF Caps Per Phase
GUID-F5D07458-A58A-49C1-9DB5-399FA884D359-low.gif
A1 BV L13 4*20-µF caps per phase, 2-mΩ IBAT sense resistor
Figure 8-5 BQ25968 Parallel Efficiency
GUID-35F7DD08-FEE7-4A3C-B783-9BAD1C015ED6-low.gif
A1 BV L13 4*20-µF caps per phase, 2-mΩ IBAT sense resistor
Figure 8-7 BQ25968 Parallel Power Loss
GUID-CA1BA5B1-4CE8-48B3-9BB5-1FDEC610ECCB-low.gif
Figure 8-9 VOUT_ADC Error
GUID-4FB55154-AAFD-4C56-BA06-01E0FA9967FC-low.gif
Figure 8-11 TS_BAT Error
GUID-7521314A-F85D-4EF7-A3E7-93474FA4FF7E-low.gif
Figure 8-13 IBAT_ADC Error
GUID-5E818581-A70E-405B-9202-ACE94406C39C-low.gif
Figure 8-2 BQ25968 Device Power Loss, 4 x 20-µF Caps Per Phase
GUID-5259A62C-FC0B-4DD6-95CE-C5EB7156B4AA-low.gif
Figure 8-4 BQ25968 Device Power Loss, 4 x 22-µF Caps Per Phase
GUID-DAF1E190-2985-4CF3-AC76-B9D83EE311DA-low.gif
A1 BV L13 4*20-µF caps per phase, 2-mΩ IBAT sense resistor
Figure 8-6 BQ25968 Parallel Current Sharing
GUID-D5A514FA-878F-4D75-A81A-12207F318BA6-low.gif
Figure 8-8 VBAT Ripple at 500 kHz
GUID-35FE1DDA-E56C-4E10-B332-7DAFFC16A10E-low.gif
Figure 8-10 VBAT_OVP Error
GUID-7D2618A0-E19A-4E90-8216-B8B740B5C864-low.gif
Figure 8-12 IBUS_ADC Error
GUID-2FD95181-E154-49BE-9FEA-8831A64024D0-low.gif
Figure 8-14 IBAT_ADC Error