REFSENS002 - Reference Design

在汽车和工业设备领域，低边电流检测电路用于电流（电压）控制、过流限制和剩余电池电量检测等功能。通过分流电阻和电流检测放大器来实现的低边电流检测电路是非常常见的。REFSENS002 是分流电阻器和电流检测放大器的电流传感器参考设计。同时ROHM还提供设计数据和参考板的销售以方便客户进行参考设计，助力客户减少设计工时。今后将计划发布电流检测范围高达50A的高精度参考设计板。

• The simplest current sense circuit with shunt resistor and operational amplifier (LMR1802G)
• High power shunt resistor PSR400 2mΩ 4 in parallel
• Current sense range: up to 100A
• Thermally designed to keep each component within its absolute maximum rating even
• at a detected current Iin = 100A and an ambient temperature Ta = 85°C