ZHCSND4H
january 2010 – april 2021
BQ24090
,
BQ24091
,
BQ24092
,
BQ24093
,
BQ24095
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
6
Device Options
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings #GUID-9FC6FB05-10A6-4323-9A52-EE32AE4C5F67/SLUS9405873
8.2
ESD Ratings
8.3
Recommended Operating Conditions #GUID-4D70561B-CB71-403D-B731-8EF5DEBEBDF9/SLUS9401392
8.4
Thermal Information
8.5
Dissipation Ratings #GUID-196940BE-C3C2-4CDF-A8A4-7C186292F803/SLUS9404025 #GUID-196940BE-C3C2-4CDF-A8A4-7C186292F803/SLUS9403553
8.6
Electrical Characteristics
8.7
Typical Characteristics
8.7.1
Power Up, Power Down, OVP, Disable and Enable Waveforms
8.7.2
Protection Circuits Waveforms
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Power Down or Undervoltage Lockout (UVLO)
9.3.2
UVLO
9.3.3
Power Up
9.3.4
Sleep Mode
9.3.5
New Charge Cycle
9.3.6
Overvoltage Protection (OVP) – Continuously Monitored
9.3.7
Power Good Indication ( PG)
9.3.8
CHG Pin Indication
9.3.9
CHG and PG LED Pullup Source
9.3.10
IN-DPM (VIN-DPM or IN–DPM)
9.3.11
OUT
9.3.12
ISET
9.3.13
PRE_TERM – Precharge and Termination Programmable Threshold
9.3.14
ISET2
9.3.15
TS
9.4
Device Functional Modes
9.4.1
Termination and Timer Disable Mode (TTDM) - TS Pin High
9.4.2
Timers
9.4.3
Termination
9.4.4
Battery Detect Routine
9.4.5
Refresh Threshold
9.4.6
Starting a Charge on a Full Battery
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Calculations
10.2.2.1.1
Program the Fast Charge Current, ISET:
10.2.2.1.2
Program the Termination Current Threshold, ITERM:
10.2.2.1.3
TS Function
10.2.2.1.4
CHG and PG
10.2.2.2
Selecting IN and OUT Pin Capacitors
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Considerations
12.3.1
Leakage Current Effects on Battery Capacity
13
Device and Documentation Support
13.1
Device Support
13.1.1
第三方产品免责声明
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
静电放电警告
13.6
术语表
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DGQ|10
MPDS043F
散热焊盘机械数据 (封装 | 引脚)
DGQ|10
PPTD325B
订购信息
zhcsnd4h_oa
zhcsnd4h_pm
1
特性
充电
充电电压精度为 1%
充电电流精度为 10%
引脚可选 USB 100mA 和 500mA 最大输入电流限制
可编程终止和预充电阈值
保护
6.6V 过压保护
输入电压动态电源管理
125°C 热调节;150°C 热关断保护
OUT 短路保护和 ISET 短路检测
通过电池 NTC 在 JEITA 范围内运行 – 冷态为 ½ 快速充电电流,热态为 4.06V,BQ092/3
固定 10 小时安全计时器
系统
针对带有热敏电阻的缺失电池包的自动终止和计时器禁用模式 (TTDM)
状态指示 – 充电/完成
采用小型 10 引脚 MSOP 封装