TSC103

Application schematic and pin description

Doc ID 16873 Rev 1

3/23

1

Application schematic and pin description

The TSC103 high-side current sense amplifier can be used in either single- or dual-supply

mode. In the single-supply configuration, the TSC103 features a wide 2.9 V to 70 V input

common-mode range totally independent of the supply voltage. In the dual-supply range,

the common-mode range is shifted by the value of the negative voltage applied on the Vcc-

pin. For instance, with Vcc+ = 5 V and Vcc- = -5 V, then the input common-mode range is

-2 V to 65 V.

Figure 1.

Single-supply configuration schematic

5 V

Vsense

Vout

Iload

Rsense

µ Controller

ADC

Gnd

Vcc

GPIO1

GPIO2

Vp

Vm

Vcc+

TSC103

Out

Gnd

SEL1

SEL2

Vcc-

Common-mode voltage: 2.9 V to 70 V

AM04517