VN7050ASTR

• AEC-Q100 qualified 

• General 

− Single channel smart high-side driver  with MultiSense analog feedback

− Very low standby current

− Compatible with 3 V and 5 V CMOS  outputs

• MultiSense diagnostic functions 

− Multiplexed analog feedback of: load  current with high precision proportional  current mirror, VCC supply voltage and TCHIP device temperature

− Overload and short to ground (power  limitation) indication

− Thermal shutdown indication

− OFF-state open-load detection

− Output short to VCC detection

− Sense enable/disable

• Protections 

− Undervoltage shutdown

− Overvoltage clamp

− Load current limitation

− Self limiting of fast thermal transients

− Configurable latch-off on  overtemperature or power limitation  with dedicated fault reset pin

− Loss of ground and loss of VCC

− Reverse battery with external  components

− Electrostatic discharge protection

2 Applications

• All types of Automotive resistive, inductive  and capacitive loads 

• Specially intended for Automotive Turn  Indicators (up to P27W or SAE1156 or LED  Rear Combinations)

3 Description

The devices are single channel high-side drivers  manufactured using ST proprietary VIPower® M0- 7 technology and housed in PowerSSO-16 and  SO-8 packages. The devices are designed to  drive 12 V automotive grounded loads through a  3 V and 5 V CMOS-compatible interface, and to  provide protection and diagnostics.

The devices integrate advanced protective  functions such as load current limitation, overload  active management by power limitation and  overtemperature shutdown with configurable  latch-off.

A FaultRST pin unlatches the output in case of  fault or disables the latch-off functionality. A dedicated multifunction multiplexed analog  output pin delivers sophisticated diagnostic  functions including high precision proportional  load current sense, supply voltage feedback and  chip temperature sense, in addition to the  detection of overload and short circuit to ground,  short to VCC and OFF-state open-load. A sense enable pin allows OFF-state diagnosis to  be disabled during the module low-power mode  as well as external sense resistor sharing among  similar devices.

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