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O21BY View Datasheet(PDF) - STMicroelectronics

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Description
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O21BY
ST-Microelectronics
STMicroelectronics ST-Microelectronics
O21BY Datasheet PDF : 17 Pages
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TSC1021
High-side current sense amplifier
Datasheet - production data
Features
Wide common-mode operating range
independent of supply: 2.8 V to 30 V
Wide common-mode survival range: -32 V to
60 V (reversed battery and load-dump
conditions)
Maximum input offset voltage:
±1.5 mV for Tamb = 25 °C
±2.3 mV for -40 °C < Tamb < 125 °C
Maximum total output voltage error:
±1.5 % for Tamb = 25 °C
±2.5 % for -40 °C < Tamb < 125 °C
Maximum variation over temperature:
dVos/dT = 8 µV/°C
dVout/dT = 100 ppm/°C
Low current consumption: ICC max = 300 µA
-40 °C to 125 °C operating temperature
range
Internally fixed gain: 20 V/V, 50 V/V
EMI filtering
Related products
See TSC103 for higher common-mode
operating range (2.9 V to 70 V)
Applications
Automotive current monitoring
Notebook computers
Server power supplies
Telecom equipment
Industrial SMPS
Current sharing
LED current measurement
Description
The TSC1021 measures a small differential
voltage on a high-side shunt resistor and
translates it into a ground-referenced output
voltage.
The TSC1021 has been specifically designed for
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.
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.
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.
November 2015
DocID017857 Rev 4
This is information on a product in full production.
1/17
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