l99dz80ep STMicroelectronics, l99dz80ep Datasheet - Page 40

• Manufacturer Part Number: l99dz80ep
• Description: Door Actuator Driver
• Manufacturer: STMicroelectronics

Application information
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the bridge a voltage of 2/3 V
expected, if they drive a low-resistive inductive load (e.g. motor). If the drain source voltage
on each of these Power-MOS is less than 1/6 V
associated driver is set.
In case of a short to ground the drain-source monitor bits of both low-side gate drivers are
set. A short to V
HIGH)” bit to one.
Figure 16. H-bridge open-load detection (no open-load detected)
Figure 17. H-bridge open-load detection (open-load detected)
S
can be diagnosed by setting the “H-Bridge OL high threshold (H-OLTH
S
on the pull-up high-side and 1/3 V
Doc ID 18260 Rev 4
S
, the drain-source monitor bit of the
S
on the low side is
L99DZ80EP