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VNH7070AS Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza VNH7070AS
Descripción Electrónicos  Automotive fully integrated H-bridge motor driver
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNH7070AS Datasheet(HTML) 5 Page - STMicroelectronics

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VNH7070AS
Block diagram and pin description
37
1
Block diagram and pin description
Figure 1. Block diagram
Table 2. Block description
Name
Description
Logic control
Allows the turn-on and the turn-off of the high-side and the
low-side switches according to the truth table.
Undervoltage
Shuts down the device for battery voltage lower than 4 V.
High-side and low-side clamp voltage
Protect the high-side and the low-side switches from the
high voltage on the battery line.
High-side and low-side driver
Drive the gate of the concerned switch to allow a proper
Ron for the leg of the bridge.
Current limitation
Limits the motor current in case of short circuit.
High-side and low-side overtemperature
protection
In case of short-circuit with the increase of the junction
temperature, it shuts down the concerned driver to prevent
degradation and to protect the die.
Low-side overload detector
Detects when low side current exceeds shutdown current
and latches off the concerned Low side.
LOGIC
V CC
OUT A
INB
IN A
GND A
CS
LS A
CLAMP HS A
LS A
HS A
HSA_OVERTEMPERATURE
HSB_OVERTEMPERATURE
UV
CURRENT
LIMITATION A
OUT B
GND B
LS B
HS B
CURRENT
DRIVER
HS A
DRIVER
LS B
DRIVER
HS B
DRIVER
CLAMP HS B
CLAMP LS B
CLAMP LS A
1/K
1/K
LIMITATION B
OVERLOAD
DETECTOR B
OVERLOAD
DETECTOR A
POWER
LIMITATION
LSB_OVERTEMPERATURE
LSA_OVERTEMPERATURE
GAPGCFT01189
Open-load
OFF-state A
MUX
SEL0
Open-load
OFF-state B
FAULT
DETECTION
PWM


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