VND5012AKTR-E 데이터 시트보기 (PDF) - STMicroelectronics

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VND5012AKTR-E

DOUBLE CHANNEL HIGH SIDE DRIVER WITH ANALOG CURRENT SENSE FOR AUTOMOTIVE APPLICATIONS

STMicroelectronics 

VND5012AK-E

Figure 2. Block Diagram

GND

INPUT1

INPUT2

CS_DIS

VCC

CLAMP

LOGIC

UNDERVOLTAGE

DRIVER 1

PwCLAMP 1

ILIM 1

PwrLIM 1

VDSLIM 1

IOUT1

OVERTEMP. 1

K1

PwrLIM 2

VCC

DRIVER 2

PwCLAMP 2

ILIM 2

VDSLIM 2

IOUT2

OVERTEMP. 2

K2

OUTPUT1

CURRENT

SENSE1

OUTPUT2

CURRENT

SENSE2

Table 3. Pin Function

Name

Function

VCC

Battery connection

OUTPUT1,2

Power output

GND

Ground connection. Must be reverse battery protected by an external diode/resistor network

INPUT1,2

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

CURRENT SENSE1,2 Analog current sense pin, delivers a current proportional to the load current

CS_DIS

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

Figure 3. Current and Voltage Conventions

VCSD

ICSD

VIN1

IIN1

IIN2

VIN2

CS_DIS

INPUT1

INPUT2

VCC

OUTPUT1

CURRENT

SENSE1

OUTPUT2

CURRENT

GND SENSE2

IS

VF (*)

IOUT1

ISENSE1

VOUT1

IOUT2

VSENSE1

ISENSE2

VOUT2

VSENSE2

IGND

VCC

(*) VFn = VCC - VOUTn during reverse battery condition

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