TSC888 datasheet(1/7 Pages) STMICROELECTRONICS

部件名	TSC888

功能描述	Low cost high-side current sense amplifier

PDF	7 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 7 page

June 2008

Rev 1

1/7

7

TSC888

Low cost high-side current sense amplifier

Features

■ Independent supply and input common-mode

voltages

■ Wide common-mode operating range: 2.8 V to

24 V

■ Wide supply voltage range: 4 to 24 V

■ Low current consumption: ICC max = 1 mA

■ Internally fixed gain: 20 V/V, 50 V/V or 100 V/V

■ Buffered output

Applications

■ Desktop computers and servers SMPS

■ Photovoltaic/solar systems

■ Battery chargers

■ Notebook computers

■ DC motor control

Description

The TSC888 measures a small differential voltage

on a high-side shunt resistor and translates it into

a ground-referenced output voltage. The gain is

internally fixed.

Wide input common-mode voltage range, low

quiescent current, and tiny SOT23-5 packaging

make the TSC888 ideal for use in a wide variety

of applications.

Input common-mode and power supply voltages

are independent. Common-mode voltage can

range from 2.8 V to 24 V in operating conditions.

Current consumption lower than 1 mA and wide

supply voltage range allow to connect the power

supply to either side of the current measurement

shunt with minimal error.

L

SOT23-5

(Plastic package)

2

1

3

Vp

Out

Gnd

4

5

Vm

Vcc

Pin connections

(top view)

www.st.com

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