TSC1021

TSC1021 High-side current sense amplifier Datasheet - production data Features Wide common-mode operating range independent of supply: 2.8 V to 30 V Wide common-mode survival range: -32 V to 60 V (reversed battery and load-dump conditions) Maximum input offset voltage: ±1.5 mV for Tamb = 25 °C ±2.3 mV for -40 °C < Tamb < 125 °C Maximum total output voltage error: ±1.5 % for Tamb = 25 °C ±2.5 % for -40 °C < Tamb < 125 °C Maximum variation over temperature: dVos/dT = 8 µV/°C dVout/dT = 100 ppm/°C Low current consumption: ICC max = 300 µA -40 °C to 125 °C operating temperature range Internally fixed gain: 20 V/V, 50 V/V EMI filtering Related products See TSC103 for higher common-mode operating range (2.9 V to 70 V) Applications Automotive current monitoring Notebook computers Server power supplies Telecom equipment Industrial SMPS Current sharing LED current measurement Description The TSC1021 measures a small differential voltage on a high-side shunt resistor and translates it into a ground-referenced output voltage. The TSC1021 has been specifically designed for automotive conditions: load-dump protection up to 60 V, reverse-battery protection up to -32 V, ESD protection up to 4 kV and internal filtering for EMI performance. Input common-mode and power supply voltages are independent: the common-mode voltage can range from 2.8 to 30 V in operating conditions and up to 60 V in absolute maximum ratings while the TSC1021 can be supplied by a 5 V independent supply line. The T...