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電池保護器

BQ24350

現行

具 FET、6.17 輸入 OVP 的過電壓和過電流充電器前端保護 IC

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產品規格表

BQ24350

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Number of series cells (max) 1 Number of series cells (min) 1 Features Integrated Charging FET, Overcurrent protection, Overvoltage, Short-circuit Discharge (SCD) Function Charger Front-End Protection Operating current (typ) (µA) 400 Vin (max) (V) 30 Overvoltage protection 6.17 Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 4.35 Battery overvoltage protection (max) (V) 4.35
Rating Catalog Number of series cells (max) 1 Number of series cells (min) 1 Features Integrated Charging FET, Overcurrent protection, Overvoltage, Short-circuit Discharge (SCD) Function Charger Front-End Protection Operating current (typ) (µA) 400 Vin (max) (V) 30 Overvoltage protection 6.17 Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 4.35 Battery overvoltage protection (max) (V) 4.35
WSON (DSG) 8 4 mm² (2 mm × 2 mm)
  • Robust Protection
    • Input Over-Voltage Protection
    • Input Over-Current Protection
    • Accurate Battery Over-Voltage Protection
    • Thermal Shutdown
    • Output Short-Circuit Protection
  • Integrated Charging FET
  • LDO Mode Operation
  • Current Limited Power Supply for Host Controller
  • Soft-Start to Prevent Inrush Currents
  • Soft-Stop to Prevent Voltage Spikes
  • 30V Maximum Input Voltage
  • Supports Up to 1A Load Current
  • Small 2mm × 2mm 8pin SON Package
  • APPLICATIONS
    • Mobile Phones
    • Low-Power Handheld Devices
  • Robust Protection
    • Input Over-Voltage Protection
    • Input Over-Current Protection
    • Accurate Battery Over-Voltage Protection
    • Thermal Shutdown
    • Output Short-Circuit Protection
  • Integrated Charging FET
  • LDO Mode Operation
  • Current Limited Power Supply for Host Controller
  • Soft-Start to Prevent Inrush Currents
  • Soft-Stop to Prevent Voltage Spikes
  • 30V Maximum Input Voltage
  • Supports Up to 1A Load Current
  • Small 2mm × 2mm 8pin SON Package
  • APPLICATIONS
    • Mobile Phones
    • Low-Power Handheld Devices

The bq24350/2 is a highly integrated circuit designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage and the battery voltage. In case of an input over-voltage condition, the IC will turn off the internal power FET after a blanking time. If the battery voltage rises to unsafe levels during charging process, power is removed from the system. If the input current exceeds the over current threshold for a limited time, the IC will turn off the output power. The integrated charging FET can regulate the charge voltage and current according to the control from the host. The device can also provide a voltage source with over voltage and over current protection for host controller.

The bq24350/2 is a highly integrated circuit designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage and the battery voltage. In case of an input over-voltage condition, the IC will turn off the internal power FET after a blanking time. If the battery voltage rises to unsafe levels during charging process, power is removed from the system. If the input current exceeds the over current threshold for a limited time, the IC will turn off the output power. The integrated charging FET can regulate the charge voltage and current according to the control from the host. The device can also provide a voltage source with over voltage and over current protection for host controller.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 Over-Voltage and Over-Current Charger Front-End Protection IC With FET datasheet (Rev. A) 2009/6/5
使用指南 bq2435x DSG EVM (HPA398) for Li-Ion Charger Front-End Protection IC 2009/6/17

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參考設計

TIDA-00033 — 具有 FET 的過電壓和過電流充電器前端保護 IC 參考設計

This reference design is a highly integrated circuit solution designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC design continuously monitors the input voltage and the battery voltage. In case of an input over-voltage condition, the IC will turn off the (...)

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