Smart High-Side Power Switch

BTS 6142D

Power Stages

Data Sheet

10

V1.1, 2007-02-28

4

Block Description and Electrical Characteristics

4.1

Power Stages

The power stage is built by a N-channel vertical power MOSFET (DMOS) with charge

pump.

4.1.1

Input Circuit

that the device switches off in case of open input pin. The zener diode protects the input

circuit against ESD pulses.

IN

I

V

bb

Input.emf

I

IN

V

bIN

Figure 4

Input Circuit

A high signal at the required external small signal transistor pulls the input pin to ground.

slope, which is optimized in terms of EMC emission.

t

SwitchOn.emf

t

10%

25%

50%

90%

Figure 5

Switching a Load (resistive)