ZHCSI54A September 2016 – May 2018 BQ25890H
PRODUCTION DATA.
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 修訂歷史記錄
- 5 說明 （續(xù)）
- 6 Pin Configuration and Functions
- 7 Specifications
-
8 Detailed Description
- 8.1 Functional Block Diagram
- 8.2
Feature Description
- 8.2.1 Device Power-On-Reset (POR)
- 8.2.2 Device Power Up from Battery without Input Source
- 8.2.3 Device Power Up from Input Source
- 8.2.4 Input Current Optimizer (ICO)
- 8.2.5 Boost Mode Operation from Battery
- 8.2.6 Power Path Management
- 8.2.7 Battery Charging Management
- 8.2.8 Battery Monitor
- 8.2.9 Status/Control Outputs (STAT, INT and DSEL)
- 8.2.10 BATET (Q4) Control
- 8.2.11 Current Pulse Control Protocol
- 8.2.12 D+/D- Output Driver
- 8.2.13 Input Current Limit on ILIM
- 8.2.14 Thermal Regulation and Thermal Shutdown
- 8.2.15 Voltage and Current Monitoring in Buck and Boost Mode
- 8.2.16 Battery Protection
- 8.2.17 Serial Interface
- 8.3 Device Functional Modes
- 8.4 Register Maps
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12器件和文檔支持
- 13機(jī)械、封裝和可訂購信息
封裝選項(xiàng)
機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RTW|24
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RTW|24
訂購信息
3 說明
bq25890H 是一款適用于單節(jié)鋰離子電池和鋰聚合物電池的高度集成型 5A 開關(guān)模式電池充電管理和系統(tǒng)電源路徑管理器件。此類器件支持高輸入電壓快速充電。低阻抗電源路徑對(duì)開關(guān)模式運(yùn)行效率進(jìn)行了優(yōu)化、縮短了電池充電時(shí)間并延長了放電階段的電池使用壽命。
器件信息(1)
| 器件型號(hào) | 封裝 | 封裝尺寸（標(biāo)稱值） |
|---|---|---|
| bq25890H | WQFN (24) | 4.00mm x 4.00mm |
- 如需了解所有可用封裝，請(qǐng)參閱產(chǎn)品說明書末尾的可訂購產(chǎn)品附錄。
簡化原理圖
