IR2238Q View Datasheet(PDF) - International Rectifier

Part Name

Description

Manufacturer

IR2238Q

3-PHASE AC Motor Controller IC

International Rectifier 

HIN1

t DS

DSH1

8V

7V

Soft Shutdown Driver Enable for H.S. output on Desaturation

and all Low Side output

&

Hold Driver Enable for the remaining H.S. output

t

t SS

DESAT2

HO1

IR2238Q

3.3V

or 5V

active

Hard Shutdown Driver Enable for all output

active

Figure 6.2 High Side Desat Soft Shutdown Timing Waveform

BRIN

t DS

3.3V

or 5V

DSB

BR

8V

7V

tDESAT7

Hard Shutdown

in effect

HO1,2,3

LO1,2,3

t t DESAT5, DESAt6

Hard Shutdown

in effect

Figure 6.3 Brake Desat Timing Waveform

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