JAJSE06A October   2017  – December 2017

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     代表的なアプリケーション回路
  4. 4 改訂履歴
  5. 5 概要（続き）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
    1.     Pin Functions
    2. 7.1 EN1/EN2 Settings
  8. 8 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 Dissipation Ratings
    6. 8.6 Electrical Characteristics
    7. 8.7 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Undervoltage Lockout (UVLO)
      2. 9.3.2 Power On
      3. 9.3.3 Overvoltage Protection (OVP)
      4. 9.3.4 Dynamic Power-Path Management
        1. 9.3.4.1 Input Source Connected (ADAPTER or USB)
          1. 9.3.4.1.1 Input DPM Mode (VIN-DPM)
          2. 9.3.4.1.2 DPPM Mode
          3. 9.3.4.1.3 Battery Supplement Mode
        2. 9.3.4.2 Input Source Not Connected
      5. 9.3.5 Battery Charging
        1. 9.3.5.1 Charge Current Translator
        2. 9.3.5.2 Battery Detection and Recharge
        3. 9.3.5.3 Battery Disconnect (SYSOFF Input, bq24076, bq24078)
        4. 9.3.5.4 Dynamic Charge Timers (TMR Input)
        5. 9.3.5.5 Status Indicators (PGOOD, CHG)
        6. 9.3.5.6 Thermal Regulation and Thermal Shutdown
      6. 9.3.6 Battery Pack Temperature Monitoring
    4. 9.4 Device Functional Modes
      1. 9.4.1 Sleep Mode
      2. 9.4.2 Explanation of Deglitch Times and Comparator Hysteresis
  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
        1. 10.2.2.1 bq2407x Charger Design Example
          1. 10.2.2.1.1 System ON/OFF (SYSOFF) (bq24076 or bq24078 only)
        2. 10.2.2.2 Calculations
          1. 10.2.2.2.1 Program the Fast Charge Current (ISET):
          2. 10.2.2.2.2 Program the Input Current Limit (ILIM)
          3. 10.2.2.2.3 Program 6.25-hour Fast-Charge Safety Timer (TMR)
        3. 10.2.2.3 TS Function
        4. 10.2.2.4 CHG and PGOOD
        5. 10.2.2.5 Selecting IN, OUT, and BAT Pin Capacitors
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Considerations
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイス・サポート
      1. 13.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 13.2 関連リンク
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 コミュニティ・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14メカニカル、パッケージ、および注文情報

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

8.7 Typical Characteristics

VIN = 6 V, EN1=1, EN2=0, bq24078 application circuit, TA = 25°C, unless otherwise noted.
bq24076 bq24078 ibat_v_temp_luscm2.gif
Figure 1. Thermal Regulation
bq24076 bq24078 do2_tj_luscm1.gif
IL = 1 A
Figure 3. Dropout Voltage vs Temperature
No Input Supply
bq24076 bq24078 vo_tj_luscm1.gif
VIN = 5 V, VBAT = 3.5 V, IL = 1 A
Figure 5. bq24078
Output Regulation Voltage vs Temperature
bq24076 bq24078 vbat_tj_luscm1.gif
Figure 7. bq24076
BAT Regulation Voltage vs Temperature
bq24076 bq24078 ibat_vbat_luscm1.gif
RISET = 900 Ω
Figure 9. Fastcharge Current vs Battery Voltage
bq24076 bq24078 ibat3_vbat_luscm1.gif
RISET = 900 Ω
Figure 11. Precharge Current vs Battery Voltage
bq24076 bq24078 do_tj_luscm1.gif
IL = 1 A
Figure 2. Dropout Voltage vs Temperature
bq24076 bq24078 vo_vbat_luscm1.gif
VIN = 5 V
Figure 4. bq24078
Output Regulation Voltage vs Battery Voltage
bq24076 bq24078 vo2_tj_luscm1.gif
VIN = 5 V, IL = 1 A
Figure 6. bq24076
Output Regulation Voltage vs Temperature
bq24076 bq24078 ovp2_tj_luscm1.gif
6.6 V
Figure 8. bq24076/78
Overvoltage Protection Threshold vs Temperature
bq24076 bq24078 ibat2_vbat_luscm1.gif
RISET = 3 kΩ
Figure 10. Fastcharge Current vs Battery Voltage
bq24076 bq24078 ibat4_vbat_luscm1.gif
RISET = 3 kΩ
Figure 12. Precharge Current vs Battery Voltage