O21AI(2010) Просмотр технического описания (PDF) - STMicroelectronics

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O21AI
(Rev.:2010)

High-side current sense amplifier

STMicroelectronics 

Application diagram

1

Application diagram

TSC1021

The TSC1021 high-side current-sense amplifier features a 2.8 to 30 V input common-mode

range that is independent of the supply voltage. The main advantage of this feature is that it

allows high-side current sensing at voltages much greater than the supply voltage (VCC).

Figure 1. Application schematic: high-line current sensing

Vsense

Rsense

Iload

Common-mode range

Vp

Vm

Rg1

Rg2

Supply voltage

Vcc

Rg3

Gnd

Out

Vout = Av.Vsense

AM06135

2/12

Doc ID 17857 Rev 1

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