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BQ25010 - 产品图解:
BQ25010-单片锂离子充电器和 DC/DC 转换器 IC,输出可调节
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TI产品 - BQ25010介绍
BQ25010 - 单片锂离子充电器和 DC/DC 转换器 IC,输出可调节

BQ25010是TI公司的一款电池充电器IC产品,BQ25010是单片锂离子充电器和 DC/DC 转换器 IC,输出可调节,本页介绍了BQ25010的产品说明、应用、特性等,并给出了与BQ25010相关的TI元器件型号供参考。

BQ25010 - 单片锂离子充电器和 DC/DC 转换器 IC,输出可调节 - 电池充电器IC - 电池管理产品 - TI公司(Texas Instruments,德州仪器)

产品描述

The bq2501x series are highly integrated charge andpower management devices targeted at space-limited bluetooth applications. The bq2501x series offer integrated power FET and current sensor for charge control, reverse blocking protection, high accuracy current and voltage regulation, charge status, charge termination, and a highly efficient and low-power dc-dc converter in a small package.

The bq2501x 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 bq2501x automatically re-starts the charge if the battery voltage falls below an internal threshold. The bq2501x automatically enters sleep mode when VCC supply is removed.

The integrated low-power high-efficiency dc-dc converter is designed to operate directly from a single-cell Li-Ion or Li-Pol battery pack. The output voltage is either adjustable from 0.7 V to VBAT (bq25010), fixed at 3.3 V (bq25011), or fixed at 1.8 V (bq25012), and is capable of delivering up to 150-mA of load current. The dc-dc converter operates at a synchronized 1 MHz switching frequency allowing for the use of small inductors.

产品特性

  • Li-Ion Or Li-Pol ChargeManagement and Synchronous DC-DC Power Conversion In a Single Chip
  • Optimized for Powering Bluetooth™ Headsets and Accessories
  • Charges and Powers the System from Either the AC Adapter or USB with Autonomous Power Source Selection
  • Integrated USB Charge Control with Selectable 100 mA and 500 mA Charge Rates
  • Integrated Power FET and Current Sensor for Up to 500 mA Charge Applications AND 100 mA DC-DC Controller with Integrated FETs
  • Reverse Leakage Protection Prevents Battery Drainage
  • Automatic Power Save Mode For High Efficiency at Low Current, or Forced PWM for Frequency Sensitive Applications
  • 3.5 mm × 4.5 mm QFN Package
  • APPLICATIONS
    • Bluetooth™ Headsets
    • Bluetooth™ Accessories
    • Low-Power Handheld Devices

Bluetooth is a trademark of Bluetooth SIG, Inc.

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