ZHCSLN5D december 2010 – september 2020 BQ24133
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 Revision History
- 5 Description (continued)
- 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 Battery Voltage Regulation
- 9.3.2 Battery Current Regulation
- 9.3.3 Battery Precharge Current Regulation
- 9.3.4 Input Current Regulation
- 9.3.5 Charge Termination, Recharge, And Safety Timers
- 9.3.6 Power Up
- 9.3.7 Input Undervoltage Lockout (UVLO)
- 9.3.8 Input Overvoltage/Undervoltage Protection
- 9.3.9 Enable and Disable Charging
- 9.3.10 System Power Selector
- 9.3.11 Converter Operation
- 9.3.12 Automatic Internal Soft-Start Charger Current
- 9.3.13 Charge Overcurrent Protection
- 9.3.14 Charge Undercurrent Protection
- 9.3.15 Battery Detection
- 9.3.16 Battery Short Protection
- 9.3.17 Battery Overvoltage Protection
- 9.3.18 Temperature Qualification
- 9.3.19 MOSFET Short Circuit and Inductor Short Circuit Protection
- 9.3.20 Thermal Regulation and Shutdown Protection
- 9.3.21 Timer Fault Recovery
- 9.3.22 Charge Status Outputs
- 9.4 Device Functional Modes
- 10Application and Implementation
- 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)
- RGY|24
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
- RGY|24
訂購信息
3 說明
BQ24133 器件是一款高度集成的獨立型鋰離子及鋰聚合物開關(guān)模式電池充電器，集成了兩個 N 溝道功率 MOSFET。該器件提供一個恒定頻率同步 PWM 控制器，可對輸入電流、充電電流和電壓進(jìn)行高精度調(diào)節(jié)。BQ24133 可嚴(yán)密監(jiān)測電池包溫度，僅允許在預(yù)設(shè)的溫度范圍內(nèi)充電。BQ24133 可為一節(jié)、兩節(jié)或三節(jié)電池（由 CELL 引腳選擇）充電，充電至每節(jié)電池具有 4.2V 固定電壓。
器件信息(1)
| 器件型號 | 封裝 | 封裝尺寸（標(biāo)稱值） |
|---|---|---|
| BQ24133 | VQFN (24) | 5.50mm × 3.50mm |
(1) 如需了解所有可用封裝，請參閱數(shù)據(jù)表末尾的可訂購產(chǎn)品附錄。
典型應(yīng)用原理圖