类比半导体推出支持-0.3V-40V共模的车规级双向通用电流检测放大器

Release time:2025-06-13
author:AMEYA360
source:类比半导体
reading:997

  类比半导体(AnalogySemi)推出支持高侧或者低侧通用电流检测放大器,其通常用于优化系统精密电流测量或者电流环路控制电路。该系列产品供电电压范围2.7V-5.5V,-0.3V-40V输入共模电压范围可以更好的支持12V汽车应用。此外CSA52xQ可以提供4种固定增益,包括:20V/V,50V/V, 100V/V和200V/V。

  CSA521xQ支持通过REF引脚实现双向电流检测功能,在增益为20倍时,其带宽可达350kHz, 压摆率为0.8V/us。在精度方面,CSA52x的Vos最大值为±80uV,温漂典型值为0.02uV/℃。在增益误差方面,增益误差典型值为±0.1%,最大值为±1.2%,温漂典型值为3ppm/℃, 最大值为13ppm/℃。

  封装支持方面

  CSA52xQ系列兼容市场主流封装,包括SC70-6和SOT23-6两种封装。

类比半导体推出支持-0.3V-40V共模的车规级双向通用电流检测放大器

类比半导体推出支持-0.3V-40V共模的车规级双向通用电流检测放大器

  CSA52xQ系列产品特征

  • 供电电压范围:2.7V-5.5V

  • 宽共模电压输入范围:-0.3V–40V

  • 4种增益:20/50/100/200V/V

  • 带宽:350kHz @20V/V

  • 低噪声:80nV/√Hz

  • 超高共模抑制比:140dB min,155dB typ

  • 低增益误差:全温±0.1% typ,±1.2% Max

  • 低增益误差温漂: 3ppm/℃ typ,13ppm/℃ max

  • 低偏移电压: ±80uV Max

  • 低偏移电压温漂:±0.2uV/℃ Max

  • 低静态电流:190uA typ

  典型应用

  OBC(ON-BOARD CHARGER)

  BMS低边电流检测

  智能配电盒


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