TSC1031IDT 100% Original Current Sense Amplifiers High-Voltage Amp 2.7 to 5.5 V Single

1.Features
 Independent supply and input common-mode
voltages
 Wide common-mode operating range:
2.9 to 70 V in single-supply configuration
-2.1 to 65 V in dual-supply configuration
 Wide common-mode surviving range:
-16 to 75 V (reversed battery and load-dump
conditions)
 Supply voltage range:
2.7 to 5.5 V in single supply configuration

Low current consumption: ICC max = 360 μA
 Pin selectable gain: 50 V/V or 100 V/V
 Buffered output
 EMI filtering
2. Applications
 Automotive current monitoring
 DC motor control
 Photovoltaic systems
 Battery chargers
 Precision current sources
 Current monitoring of notebook computers
 Uninterruptible power supplies
 High-end power supplies

3. Description
The TSC1031 measures a small differential
voltage on a high-side shunt resistor and
translates it into a ground-referenced output
voltage. The TSC1031’s dedicated schematic
eases the implementation of EMI filtering in harsh
environments. The gain is adjustable to 50 V/V or
100 V/V by a selection pin.
Wide input common-mode voltage range, low
quiescent current, and tiny TSSOP8 packaging
enable use in a wide variety of applications.
The input common-mode and power supply
voltages are independent. The common-mode
voltage can range from 2.9 to 70 V in the singlesupply
configuration or be offset by an adjustable
voltage supplied on the Vcc- pin in the dualsupply
configuration.
With a current consumption lower than 360 μA
and a virtually null input leakage current in
standby mode, the power consumption in the
applications is minimized.

4.

Application schematic and pin description
The TSC1031 high-side current sense amplifier can be used in either single- or dual-supply
mode. In the single-supply configuration, the TSC1031 features a wide 2.9 V to 70 V input
common-mode range totally independent of the supply voltage. In the dual-supply range,
the common-mode range is shifted by the value of the negative voltage applied on the Vccpin.
For instance, with Vcc+ = 5 V and Vcc- = -5 V, then the input common-mode range is
-2.1 V to 65 V.

5.

6.

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Shenzhen Hongxinwei Technology Co., Ltd is located in the Bao’an District of Shenzhen.It is a high-tech enterprise setting research and development, production, sales into an integration. The company covers an area of 15 acres, having modern producing workshop and professional production and testing equipments. The company has an existing staff of more than 100 people.The company has set up offices in Shenzhen, Hongkong and Singapore providing worldwide service.