33385 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

33385

Quad Low-side Driver

Freescale Semiconductor 

ELECTRICAL CHARACTERISTICS

TIMING DIAGRAMS

off

NON on

VDRAIN

Failure detection time

for an SCG failure

SCG-failure

VDRAIN < VREF at off-state

t-SCG (filter-time)

Failure detection

Filter time

Failure store

Figure 7. Diagram to Short-Circuit to GND Failure (SCG-Failure) Detection

Sporadic failure detection

Statical failure detection

off

NON on

I-OL

Iload

Failure detection active

for an sporadic OL-failure

Iload > I-OL

Diagnostic active

t-ol (filter-time)

Failure detection

Failure store

Iload > IOL for t > tol

retrigger t filter

tol

retrigger filter

Sporadic failure-detection

t < t-ol

Figure 8. Diagram to Open Load Failure (OL-Failure) Detection

33385

10

Analog Integrated Circuit Device Data

Freescale Semiconductor

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