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参数

Number of series cells 1 Charge current (Max) (A) 1 Operating Vin (Max) (V) 16.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (Min) (V) 4.2 Battery charge voltage (Max) (V) 4.2 Absolute Vin (safety rating) (Max) ((V)) 18 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile) Operating Vin (Min) (V) 3 Rating Catalog open-in-new 查找其它 电池充电器IC

封装|引脚|尺寸

VSON (DRC) 10 9 mm² 3 x 3 VSON (DRC) 10 9 mm² 3.00 x 3.00 open-in-new 查找其它 电池充电器IC

特性

  • Small 3-mm × 3-mm MLP (QFN) Package
  • Ideal for Low-Dropout Designs for Single-Cell Li-Ion
    or Li-Pol Packs in Space Limited Applications
  • Integrated Power FET and Current Sensor for Up to 1-A
    Charge Applications
  • Reverse Leakage Protection Prevents Battery Drainage
  • Integrated Current and Voltage Regulation
  • ±0.5% Voltage Regulation Accuracy
  • Charge Termination by Minimum Current and Time
  • Pre-Charge Conditioning With Safety Timer
  • Status Outputs for LED or System Interface Indicates
    Charge and Fault Conditions
  • Battery Insertion and Removal Detection
  • Works With Regulated and Unregulated Supplies
  • Short-Circuit Protection
  • Charge Voltage Options: 4.2 V and 4.36 V
open-in-new 查找其它 电池充电器IC

描述

The bqTINY™ series are highly integrated Li-Ion and Li-Pol linear charge management devices targeted at space limited portable applications. The bqTINY™ series offer integrated powerFET and current sensor, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination, in a small package.

The bqTINY™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety feature for charge termination. The bqTINY™ automatically restarts the charge if the battery voltage falls below an internal threshold. The bqTINY™ automatically enters sleep mode when VCC supply is removed.

In addition to the standard features, different versions of the bqTINY™ offer a multitude of additional features. These include temperature sensing input for detecting hot or cold battery packs; power good (PG) output indicating the presence of valid input power; a TTL-level charge-enable input (CE) used to disable or enable the charge process; and a TTL-level timer and termination enable (TTE) input used to disable or enable the fast-charge timer and charge termination.

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技术文档

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类型 标题 下载最新的英文版本 发布
* 数据表 bq24010, bq24012, bq24013, bq24014, bq24018 数据表 2014年 1月 27日
技术文章 When to use rechargeable batteries in small battery applications 2019年 10月 1日
应用手册 QFN and SON PCB Attachment 2018年 8月 24日
技术文章 Should I use a linear charger or a switching charger? 2015年 10月 30日
技术文章 Summertime and the livin' is easy 2014年 6月 20日
用户指南 1-A Single-Chip Li-Ion & Li-Pol Charge Management IC w/Integrated PowerFET 2002年 10月 29日

设计与开发

有关其他条款或所需资源,请点击下面的任何链接来查看详情页面。

硬件开发

评估板 下载
document-generic 用户指南
$49.00
说明

The bq24012EVM is an evaluation tool for the bq24012 linear single-cell Li-Ion charger with integrated FET and current sense in 3x3mm2 QFN package. The EVM is a complete designed-and-tested charger circuit that allows the user to test all functions of the bq24012 and to charge a single-cell Li-Ion (...)

软件开发

支持软件 下载
温度传感设计软件
TEMPSENSE-SW The TempSense Designer software allows the user to easily design temperature sensing circuits for many of the Texas Instruments battery charger devices. A full listing of the supported devices is included under the "Support" menu in the program. The user can use the thermisters included in the (...)
特性

The program gives the user:

  • Worse-case limits of the resistance
  • Trip voltages
  • Temperatures of the design

CAD/CAE 符号

封装 引脚 下载
VSON (DRC) 10 了解详情

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