TI公司，TI官网，TI代理商
TI(德州仪器)|TI产品型号搜索：
专营TI（德州仪器）元器件，强大的现货交付能力，解决您的采购难题
全流程提供TI（德州仪器）现货供应链服务
当前位置：TI代理 > > TI芯片 >> BQ24157
BQ24157技术文档下载：
BQ24157技术文档产品手册下载
BQ24157 - 产品图解：
BQ24157-与 USB 完全兼容的完全集成开关模式单节锂离子充电器。
BQ24157-电池充电器IC-电池管理产品-电源管理
TI芯片：
承诺原装正品
专营TI德州仪器，真正优化您的供应链
TI产品 - BQ24157介绍

BQ24157 - 与 USB 完全兼容的完全集成开关模式单节锂离子充电器。

BQ24157是TI德州仪器公司的一款电池充电器IC产品，BQ24157是与 USB 完全兼容的完全集成开关模式单节锂离子充电器。，本站介绍了BQ24157的封装应用图解、特点和优点、功能等，并给出了与BQ24157相关的TI元器件型号供参考。

BQ24157 - 与 USB 完全兼容的完全集成开关模式单节锂离子充电器。 - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性
  • Power Up System without Battery
  • 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%
  • Input Voltage Based Dynamic Power Management (VIN DPM)
  • Bad Adaptor Detection and Rejection
  • Safety Limit Register for Maximum Charge Voltage and Current Limiting
  • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs
  • 20-V Absolute Maximum Input Voltage Rating
  • 6.5-V Maximum Operating Input Voltage
  • Built-In Input Current Sensing and Limiting
  • Integrated Power FETs for Up To 1.55-A Charge Rate
  • Programmable Charge Parameters through I2C™ Compatible Interface (up to 3.4 Mbps):
    • Input Current Limit
    • VIN DPM Threshold
    • Fast-Charge/Termination Current
    • Charge Regulation Voltage (3.5 V to 4.44 V)
    • Low Charge Current Mode Enable/Disable
    • Termination Enable/Disable
  • Support up to 1.55A Charge Current using 55 mΩ Sensing Resistor
  • Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz With 0% to 99.5% Duty Cycle
  • Automatic High Impedance Mode for Low Power Consumption
  • Robust Protection
    • 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
  • Boost Mode Operation for USB OTG
    • Input Voltage Range (from Battery): 3.2 V to 4.5 V
  • 2.1 mm x 2 mm 20-Pin WCSP Package
产品应用
  • Mobile and Smart Phones
  • MP3 Players
  • Handheld Devices
产品说明

The bq24157 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 IC integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
bq24157 WCSP (20-Pin)2.1 mm x 2.0 mm
下面可能是您感兴趣的TI德州仪器公司电池充电器IC元器件
节约时间成本，提高采购效率，TI官网授权代理
TI公司|TI德州仪器|德州仪器TI公司代理商|TI芯片代理商
TI公司产品现货专家，订购TI公司产品不限最低起订量，TI芯片大陆现货即时发货，香港库存3-5天发货，海外库存7-10天发货
寻找全球TI代理商现货货源 - TI公司（德州仪器）电子元件在线订购