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電池管理 IC
電池保護器

BQ294524

現行

適用 2 串聯及 3 串聯芯鋰離子電池的過電壓保護

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產品規格表

BQ294524

現行
產品規格表 立即訂購

產品詳細資料

Function Protection Number of series cells (min) 2, 3 Number of series cells (max) 3 Features Overvoltage, Single pin output drive Operating current (typ) (µA) 1 Rating Catalog Vin (max) (V) 25 Overvoltage protection 4.45 Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 4.45 Battery overvoltage protection (max) (V) 4.45
Function Protection Number of series cells (min) 2, 3 Number of series cells (max) 3 Features Overvoltage, Single pin output drive Operating current (typ) (µA) 1 Rating Catalog Vin (max) (V) 25 Overvoltage protection 4.45 Operating temperature range (°C) -40 to 85 Battery overvoltage protection (min) (V) 4.45 Battery overvoltage protection (max) (V) 4.45
WSON (DRV) 6 4 mm² 2 x 2
  • 2-series and 3-series cell overvoltage monitor for secondary protection
  • Fixed programmable delay timer
  • Fixed OVP threshold
    • Available range from 3.85 V to 4.6 V
  • Fixed OVP delay option: 4 s or 6.5 s
  • High-accuracy overvoltage protection: ±10 mV
  • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT)
  • Low leakage current per cell input < 100 nA
  • Small package footprint
    • 6-pin SON
  • 2-series and 3-series cell overvoltage monitor for secondary protection
  • Fixed programmable delay timer
  • Fixed OVP threshold
    • Available range from 3.85 V to 4.6 V
  • Fixed OVP delay option: 4 s or 6.5 s
  • High-accuracy overvoltage protection: ±10 mV
  • Low power consumption ICC ≈ 1 µA (VCELL(ALL) < VPROTECT)
  • Low leakage current per cell input < 100 nA
  • Small package footprint
    • 6-pin SON

The BQ2945xy family of products is a secondary-level voltage monitor and protector for Li-ion battery pack systems. Each cell is monitored independently for an overvoltage condition. Based on the configuration, an output is triggered after a fixed delay if any of the two or three cells has an overvoltage condition. This output is triggered into a high state after an overvoltage condition satisfies the specified delay timer.

The BQ2945xy family of products is a secondary-level voltage monitor and protector for Li-ion battery pack systems. Each cell is monitored independently for an overvoltage condition. Based on the configuration, an output is triggered after a fixed delay if any of the two or three cells has an overvoltage condition. This output is triggered into a high state after an overvoltage condition satisfies the specified delay timer.
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BQ2947 現行 可針對每個電池芯進行電壓監控的鋰離子保護 Effective 2-4s cell battery protector with wide range programmable thresholds, reduced power consumption, high accuracy and small solution size.

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* Data sheet BQ2945xy Overvoltage Protection For 2-Series and 3-Series Cell Li-Ion Batteries datasheet (Rev. K) PDF | HTML 2022年 8月 4日

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開發板

BQ294502EVM-033 — 適用於 2 芯或 3 芯串聯鋰離子電池的 bq294502 電壓保護器 EVM

The bq294502EVM-033 is a complete evaluation system for the bq2945xy family of second-level protectors. The EVM includes one bq294502-based circuit module.The bq294502-based circuit module is a complete and compact example solution of a bq294502 second-level voltage protector. The circuit module (...)

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