TSC102

Application schematic and pin description

Doc ID 16754 Rev 2

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Application schematic and pin description

The TSC102 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

Figure 1.

Application schematics

Table 1 describes the function of each pin. Their position is shown in the illustration on the

cover page and in Figure 1 above.

A1

Table 1.

Pin description

Symbol

Type

Function

Out

Analog output

Out voltage is proportional to the magnitude of the sense voltage

Gnd

Power supply

Ground line.

Power supply

Positive power supply line.

Analog input

Connection for the external sense resistor. The measured current

Analog input

Connection for the external sense resistor. The measured current

A1

Analog input

Connection to current sensing amplifier output.

A2

Analog input

Connection to signal conditioning amplifier non-inverting input.

A3

Analog input

Connection to signal conditioning amplifier inverting input.

5 V

Vsense

1

8

5

Vp

Vm

Vcc

TSC102

2

Out

Gnd

3

7

4

A1

A2

A3

6

Rsense

Iload

Vout

Av=20 V/V

Current

sense

amplifier

Signal

conditioning

amplifier

AM04508