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Block diagram and pin description

Figure 1. Block diagram

FR_DIAG

CS

OUT

Fault

Fault

Diagnostic

VSENSEH

K factor

Gate Driver

VCC – OUT

Clamp

T

VCC – GND

Clamp

Internal Supply

Undervoltage

shut-down

Current

Limitation

Power Limitation

Overtemperature

Short to VCC

Open-Load in OFF

Control & Diagnostic

GND

VCC

INPUT

Reverse

Battery

Fault Reset

Current

Sense

GAPG2002141448CFT

Table 1. Pin functions

Name

Function

VCC

Battery connection.

OUTPUT Power outputs. All the pins must be connected together.

GND

Ground connection.

INPUT

Voltage controlled input pin with hysteresis. Compatible with 3 V and 5 V CMOS outputs. It controls output switch

state.

CS

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

FR_DIAG It sets auto-restart and latch-off protection. Moreover, it enables OFF-state diagnostic.

VN7004SLH

Block diagram and pin description

DS13681 - Rev 2

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