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TSC102 Datasheet(PDF) 1 Page - STMicroelectronics |
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TSC102 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 24 page  March 2011 Doc ID 16754 Rev 2 1/24 24 TSC102 High-side current sense amplifier plus signal conditioning amplifier 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 to 125° C operating temperature range ■ 4 kV ESD protection Applications ■ Battery chargers ■ Automotive current monitoring ■ Notebook computers ■ DC motor control ■ Photovoltaic systems ■ Precision current sources ■ Uninterruptible power supplies ■ High-end power supplies Description 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 SO-8 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. Pin connections (top view) D SO-8 (Plastic package) P TSSOP8 (Plastic package) 2 1 3 A1 Vm Gnd 6 8 Vcc Vp 4 A2 7 A3 5 Out www.st.com |
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