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TSC102：High side current sense amplifier plus signal conditioning amplifier

The TSC102 measures a small differential voltage on a high-side shunt resistor and translates it into a ground-referenced output voltage.

The device’s wide input common-mode voltage range, low quiescent current and tiny TSSOP8 packaging enable use in a wide variety of applications (also available in SO8 package).

The input common-mode and power supply voltages are independent. The common-mode voltage can range from 2.8 to 30 V in operating conditions.

The TSC102 is rugged against abnormal conditions on the input pins: Vp and Vm can withstand up to 60 V in case of voltage spikes, as little as -16 V in case of reversed battery, and up to 4 kV in case of electrostatic discharge.

In addition to the current sensing amplifier, the TSC102 offers a fully accessible amplifier for output signal conditioning. The device’s overall current consumption is lower than 420 μA.

Key Features

• Independent supply and input common-mode voltages
• Wide common-mode operating range: 2.8 to 30 V
• Wide common-mode surviving range: -16 to 60 V (reversed battery and load-dump conditions)
• Low current consumption: ICC max = 420 μA
• Output amplifier for tailor-made signal conditioning
• -40 °C to 125 °C operating temperature range
• 4 kV ESD protection

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