VNQ5027AK-E 데이터 시트보기 (PDF) - STMicroelectronics

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VNQ5027AK-E

Quad channel high side driver with analog current sense for automotive applications

STMicroelectronics 

VNQ5027AK-E

Block diagram and pin configuration

1

Block diagram and pin configuration

Figure 1. Block diagram

GND

INPUT1

INPUT2

INPUT3

INPUT4

CS_DIS

VCC

CLAMP

LOGIC

UNDERVOLTAGE

PwCLAMP 1

DRIVER 1

ILIM 1

VDSLIM 1

IOUT1

OVERTEMP. 1

K1

PwrLIM 1

VCC

OUTPUT1

INPUT2

Control & Protection

CURRENT

SENSE2

Equivalent to

channel1

INPUT3 Control & Protection

CURRENT

SENSE3

Equivalent to

channel1

INPUT4 Control & Protection

CURRENT

SENSE4

Equivalent to

channel1

CURRENT

SENSE1

VCC

OUTPUT2

CURRENT

VCC SENSE2

OUTPUT3

CURRENT

VCC SENSE3

OUTPUT4

CURRENT

SENSE4

Table 2. Pin functions

Name

Function

VCC

OUTPUTn

GND

INPUTn

CURRENT

SENSEn

CS_DIS

Battery connection.

Power output.

Ground connection. Must be reverse battery protected by an external

diode / resistor network.

Voltage controlled input pin with hysteresis, CMOS compatible. Controls output

switch state.

Analog current sense pin, delivers a current proportional to the load current.

Active high CMOS compatible pin to disable the current sense pin.

Doc ID 12730 Rev 7

5/31

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