BTS770G datasheet(8/17 Pages) SIEMENS

8 / 17 page

BTS 770 G

Semiconductor Group

1999-01-07

Truthtable and Diagnosis (valid only for the High-Side-Switches)

Flag

GH1

GH2

SH1

SH2

ST Remarks

Inputs

Outputs

Normal operation;

identical with functional truth table

stand-by mode

switch2 active

switch1 active

both switches

active

Open load at high-side switch1

Open load at high-side switch2

detected

Short circuit to DHVS at high-side switch1

Short circuit to DHVS at high-side switch2

detected

Overtemperature high-side switch1

detected

Overtemperature high-side switch2

detected

Overtemperature both high-side switch

detected

Over- and Under-Voltage

not detected

Inputs:

Outputs:

Status:

0 = Logic LOW

Z = Output in tristate condition

1 = No error

1 = Logic HIGH

L = Output in sink condition

0 = Error

X = don’t care

H = Output in source condition

X = Voltage level undefined

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