ZHCSIF0N September 2008 – October 2021 BQ24072 , BQ24073 , BQ24074 , BQ24075 , BQ24079
PRODUCTION DATA
- 1 特性
- 2 應用
- 3 說明
- 4 Revision History
- 5 說明（續(xù)）
- 6 Device Comparison Table
- 7 Pin Configuration and Functions
- 8 Specifications
-
9 Detailed Description
- 9.1 Overview
- 9.2 Functional Block Diagram
- 9.3
Feature Description
- 9.3.1 Undervoltage Lockout (UVLO)
- 9.3.2 Power On
- 9.3.3 Overvoltage Protection (OVP)
- 9.3.4 Dynamic Power Path Management
- 9.3.5
Battery Charging
- 9.3.5.1 Charge Current Translator
- 9.3.5.2 Adjustable Termination Threshold (ITERM Input, BQ24074)
- 9.3.5.3 Termination Disable (TD Input, BQ24072, BQ24073)
- 9.3.5.4 Battery Detection and Recharge
- 9.3.5.5 Battery Disconnect (SYSOFF Input, BQ24075, BQ24079)
- 9.3.5.6 Dynamic Charge Timers (TMR Input)
- 9.3.5.7 Status Indicators ( PGOOD, CHG)
- 9.3.5.8 Thermal Regulation and Thermal Shutdown
- 9.3.6 Battery Pack Temperature Monitoring
- 9.4 Device Functional Modes
-
10Application and Implementation
- 10.1 Application Information
- 10.2 Typical Application
- 10.3 System Examples
- 11Power Supply Recommendations
- 12Layout
- 13Device and Documentation Support
- 14Mechanical, Packaging, and Orderable Information
封裝選項
機械數(shù)據(jù) (封裝 | 引腳)
- RGT|16
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
- RGT|16
訂購信息
9.4.2 Explanation of Deglitch Times and Comparator Hysteresis
Note:
Figure 9-10 to Figure 9-14 are not to scale.
Figure 9-10 Power-Up, Power-Down, Power Good Indication
Figure 9-11 Precharge to Fast-Charge, Fast- to Pre-Charge Transition – tDGL1(LOWV), tDGL2(LOWV)
Figure 9-12 Recharge – tDGL(RCH)
Figure 9-13 OUT Short-Circuit – Supplement Mode
Figure 9-14 Battery Pack Temperature Sensing – TS Pin. Battery Temperature Increasing