TSC1021BIPT

更新时间： 2024-09-21 17:33:31

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		放大器
页数	文件大小	规格书
12页	161K
描述
高侧电流感应放大器

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TSC1021BIPT 数据手册

TSC1021

High-side current sense amplifier

Features

■ Wide common-mode operating range

independent of supply: 2.8 to 30 V

■ Wide common-mode surviving range:

-32 to 60 V (reversed battery and load-dump

conditions)

■ Maximum input offset voltage:

TSSOP8

(Plastic package)

–

1.5 mV for T

= 25°C

amb

2.3 mV for -40°C < T_amb< 125°C

■ Maximum total output voltage error:

–

1.5% for T

2.5% for -40°C < T

= 25°C

amb

< 125°C

amb

Description

■ Maximum variation over temperature:

– dV /dT = 8 µV/°C

The TSC1021 measures a small differential

voltage on a high-side shunt resistor and

translates it into a ground-referenced output

voltage.

– dV /dT = 100 ppm/°C

out

■ Low current consumption: I max = 300 µA

■ -40 to 125°C operating temperature range

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

■ EMI filtering

The TSC1021 has been specifically designed to

deal with 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.

Applications

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.

■ Automotive current monitoring

■ Notebook computers

■ Server power supplies

■ Telecom equipment

■ Industrial SMPS

The TSC1021 is housed in a tiny TSSOP8

package and integrates a buffer that provides low

impedance output to ease interfacing and avoid

accuracy losses. The overall device current

consumption is lower than 300 µA.

■ Current sharing

■ LED current measurement

September 2010

Doc ID 17857 Rev 1

1/12

www.st.com

12 3 4 5 6 7...12

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