TSC103 Просмотр технического описания (PDF) - STMicroelectronics

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TSC103

High-voltage, high-side current sense amplifier

STMicroelectronics 

TSC103

Application schematic and pin description

Figure 3.

Common-mode versus supply voltage in dual-supply configuration

Vicm

common-mode voltage

operating range

Max = 70 V

Max = 65 V

Max = 60 V

min = 2.9 V

Vcc- = 0 V

Single-supply

min = -2.1 V

Vcc- = -5 V

min = -7.1 V

Vcc- = -10 V

Dual-supply

AM04519

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

cover page and in Figure 1 on page 3.

Table 1. Pin description

Symbol

Type

Function

Out

Gnd

Vcc+

Vcc-

Vp

Vm

SEL1

SEL2

Analog output

Power supply

Power supply

Power supply

Analog input

Analog input

Digital input

Digital input

The Out voltage is proportional to the magnitude of the sense

voltage Vp-Vm.

Ground line.

Positive power supply line.

Negative power supply line.

Connection for the external sense resistor. The measured current

enters the shunt on the Vp side.

Connection for the external sense resistor. The measured current

exits the shunt on the Vm side.

Gain-select pin.

Gain-select pin.

Doc ID 16873 Rev 1

5/23

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