Data Sheet

23

Rev. 1.1, 2009-07-07

TLE 8444SL

Block Description

5.4.1.2

Open Load

Open-load detection in ON-state is implemented in the low-side transistors of the bridge outputs. If the current

load Error Flag has an autorecovery behavior. Example of open load detection is shown below in Figure 14,

Figure 15.

Figure 14

Open Load example

Figure 15

Open Load signalling

M

OUT1

OUT2

HS1

LS1

HS2

LS2

Open Load

IN1

IN2

I

OUT12

EF

1

EF

2

V

OUT1

t

t

t

t

t

t

t

I

OLD

V

OUT2

t

d_OLD

t

d_OLD

t

d_OLD