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IPS1025HF Scheda tecnica(PDF) 16 Page - STMicroelectronics

Il numero della parte IPS1025HF
Spiegazioni elettronici  High efficiency, high-side switch with extended diagnostics, smart driving for capacitive loads and short propagation delay at power-on
PDF  32 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

IPS1025HF Scheda tecnica(HTML) 16 Page - STMicroelectronics

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7.5
GND disconnection protection
GND disconnection is the disconnection of the module from the reference line. When this condition occurs, the
output channel is turned off regardless of the input status.
When this event occurs, the IC continues working normally until the voltage between VCC and GND pins of the IC
results ≥ VUVOFF. The voltage on the GND pin of the IC rises up to the supply rail voltage level. In case of a GND
disconnection event, a current (ILGND) flows through OUT pin.
For an inductive load, if the GND is disconnected while the output channel is active, the current flows through the
power, which is activated by an active clamp as if the input had been deactivated.
Figure 10. Ground disconnection
OUT
VCC
PGND
SUPPLY RAIL
GROUND PLANE
APPLICATION BOARD
IC
.
.
.
.
.
.
RLOAD
VCC
IPS1025HF, IPS1025HFQ
GND disconnection protection
DS13869 - Rev 3
page 16/32



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