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电池充电器 IC

BQ24151

不推荐用于新设计

具有 OTG 和自动高阻抗模式的 I2C 单节 1.25A 降压电池充电器

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数据表

BQ24151

不推荐用于新设计
数据表 立即订购

产品详情

Number of series cells 1 Charge current (max) (A) 1.25 Vin (max) (V) 6 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.44 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface I2C Features USB OTG integrated Vin (min) (V) 4 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1.25 Vin (max) (V) 6 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.44 Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck Control interface I2C Features USB OTG integrated Vin (min) (V) 4 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFF) 20 3.96 mm² 1.8 x 2.2
  • Charge Faster than Linear Chargers
  • High-Accuracy Voltage and Current Regulation
    • Input Current Regulation Accuracy: ±5% (100 mA and 500 mA)
    • Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C to 125°C)
    • Charge Current Regulation Accuracy: ±5%
  • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs
  • 20-V Absolute Maximum Input Voltage Rating
  • 6-V Maximum Operating Input Voltage
  • Built-In Input Current Sensing and Limiting
  • Integrated Power FETs for Up To 1.25-A Charge Rate
  • Programmable Charge Parameters through I2C Interface (up to 3.4 Mbps):
    • Input Current
    • Fast-Charge/Termination Current
    • Charge Voltage (3.5 V to 4.44 V)
    • Safety Timer
    • Termination Enable
  • Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz With 0% to 99.5% Duty Cycle
  • Automatic High Impedance Mode for Low Power Consumption
  • Safety Timer with Reset Control
  • Reverse Leakage Protection Prevents Battery Drainage
  • Thermal Regulation and Protection
  • Input/Output Overvoltage Protection
  • Status Output for Charging and Faults
  • USB Friendly Boot-Up Sequence
  • Automatic Charging – bq24150
  • Automatic High Impedance Mode – bq24151
  • Boost Mode Operation for USB OTG:
    • Input Voltage Range (from Battery): 2.5 V to 4.5 V
    • Output Voltage for VBUS: 5.05 V
  • 1.976 x 1.946mm 20-Pin WCSP Package
  • APPLICATIONS
    • Mobile and Smart Phones
    • MP3 Players
    • Handheld Devices
  • Charge Faster than Linear Chargers
  • High-Accuracy Voltage and Current Regulation
    • Input Current Regulation Accuracy: ±5% (100 mA and 500 mA)
    • Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C to 125°C)
    • Charge Current Regulation Accuracy: ±5%
  • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs
  • 20-V Absolute Maximum Input Voltage Rating
  • 6-V Maximum Operating Input Voltage
  • Built-In Input Current Sensing and Limiting
  • Integrated Power FETs for Up To 1.25-A Charge Rate
  • Programmable Charge Parameters through I2C Interface (up to 3.4 Mbps):
    • Input Current
    • Fast-Charge/Termination Current
    • Charge Voltage (3.5 V to 4.44 V)
    • Safety Timer
    • Termination Enable
  • Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz With 0% to 99.5% Duty Cycle
  • Automatic High Impedance Mode for Low Power Consumption
  • Safety Timer with Reset Control
  • Reverse Leakage Protection Prevents Battery Drainage
  • Thermal Regulation and Protection
  • Input/Output Overvoltage Protection
  • Status Output for Charging and Faults
  • USB Friendly Boot-Up Sequence
  • Automatic Charging – bq24150
  • Automatic High Impedance Mode – bq24151
  • Boost Mode Operation for USB OTG:
    • Input Voltage Range (from Battery): 2.5 V to 4.5 V
    • Output Voltage for VBUS: 5.05 V
  • 1.976 x 1.946mm 20-Pin WCSP Package
  • APPLICATIONS
    • Mobile and Smart Phones
    • MP3 Players
    • Handheld Devices

The bq24150/1 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The bq24150/1 integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package.

The bq24150/1 charges the battery in three phases: conditioning, constant current and constant voltage. The input current is automatically limited to the value set by the host. Charge is terminated based on user-selectable minimum current level. A safety timer with reset control provides a safety backup for I2C interface. During normal operation, bq24150/1 automatically restarts the charge cycle if the battery voltage falls below an internal threshold and automatically enters sleep mode or high impedance mode when the input supply is removed. The charge status is reported to the host using the I2C interface.

During the charging process, the bq24150/1 monitors its junction temperature (TJ) and reduces the charge current once TJ increases to approximately 125°C. To support USB OTG device, bq24150/1 provides VBUS (approximately 5.05 V) by boosting the battery voltage. The bq24150/1 is available in 20-pin WCSP package.

The bq24150/1 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The bq24150/1 integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package.

The bq24150/1 charges the battery in three phases: conditioning, constant current and constant voltage. The input current is automatically limited to the value set by the host. Charge is terminated based on user-selectable minimum current level. A safety timer with reset control provides a safety backup for I2C interface. During normal operation, bq24150/1 automatically restarts the charge cycle if the battery voltage falls below an internal threshold and automatically enters sleep mode or high impedance mode when the input supply is removed. The charge status is reported to the host using the I2C interface.

During the charging process, the bq24150/1 monitors its junction temperature (TJ) and reduces the charge current once TJ increases to approximately 125°C. To support USB OTG device, bq24150/1 provides VBUS (approximately 5.05 V) by boosting the battery voltage. The bq24150/1 is available in 20-pin WCSP package.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance* 数据表 (Rev. A) 2010年 1月 19日
应用手册 Building your own Battery Simulator 2013年 10月 14日
用户指南 bq2415x YFF EVM (HPA256) (Rev. C) 2011年 6月 21日
白皮书 Battery Chargers in USB OTG Devices 2010年 6月 1日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

驱动程序或库

BQ2415XSW-LINUX — 用于 BQ2415X 的 Linux 驱动程序

Linux 驱动程序支持 BQ2415x 系列完全集成的开关模式单节锂离子充电器。Linux 驱动程序支持通过 I2C 总线和接口与电源子系统进行通信。

Linux 主线状态

在 Linux 主线中提供：是
可通过 git.ti.com 获取：不适用

Linux 源文件

与该器件关联的文件为：

  1. drivers/power/supply/bq2415x_charger.c

  2. Documentation/devicetree/bindings/power/bq2415x.txt

  3. include/linux/power/bq2415x_charger.h

源文件

(...)

查看选项
支持软件

BQ2415XEVM-SW — BQ2415x EVM Sowtware Setup

The BQ2415x EVM Software provides a software interface for the BQ24150/1 EVM boards. Use this software to change the BQ24150/1 IC registers via the USB Interface Adapter.

支持的产品和硬件

支持的产品和硬件

产品
电池充电器 IC
BQ24150A — 具有 OTG 和 2KV HBM 的 I2C 单节 1.25A 降压电池充电器 BQ24151 — 具有 OTG 和自动高阻抗模式的 I2C 单节 1.25A 降压电池充电器 BQ24151A — 具有 OTG 和 2KV HBM 以及自动高阻抗模式的 I2C 单节 1.25A 降压电池充电器 BQ24152 — 具有 OTG 且加电时无电池检测的 I2C 单节 1.25A 降压电池充电器 BQ24155 — I2C 单节 1.25A 降压电池充电器
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封装 引脚 下载
DSBGA (YFF) 20 查看选项
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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