A ± 12-A High-Side Current Sensor With 25 V Input CM Range and 0.35% Gain Error From −40 °C to 85 °C
IEEE Solid-State Circuits Letters(2018)
摘要
This letter presents the most accurate shunt-based high-side current sensor ever reported. It achieves a 25 V input common-mode range from a single 1.8-V supply by using a beyond-the-rails ADC. A hybrid analog/digital temperature compensation scheme is proposed to simplify the circuit implementation while maintaining the state-of-the-art accuracy. Over a ±12-A current range, the sensor exhibits 0....
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关键词
Temperature sensors,Solid state circuits,Capacitors,Resistors,Photonic band gap,Resistance
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