ST VNQ5E050MK-Quad Channel High-Side Driver with Analog Current Sense for Automotive Applications - Data Manual/Specifications/User Guide
Summary
This quad channel high-side driver is engineered for robust automotive applications, providing controlled power management and precise analog current sensing. It safely drives various loads (resistive, inductive, capacitive) while featuring advanced protection measures such as overload clamping, thermal shutdown, and undervoltage monitoring. The comprehensive manual serves as an essential resource for engineers, detailing everything from electrical specifications and application guidelines to complex protective network setups, enabling reliable system design and seamless microcontroller integration.
Page 1 Text Content
VNQ5E050MK-E
Quad channel high-side driver with analog current sense
for automotive applications
Features Max supply voltage VCC 41V
Operating voltage range VCC 4.5 to 28V Max on-state resistance (per ch.) RON 50 mΩ
Power SSO-24
Current limitation (typ) ILIMH 27 A
Off-state supply current IS 2 µA(1) Electrostatic discharge protection
1. Typical value with all loads connected.
Applications
General
All types of resistive, inductive and capacitive
Inrush current active management by
loads
power limitation
Suitable as LED driver
Very low standby current 3.0V CMOS compatible inputs
Description
Optimized electromagnetic emissions
Very low electromagnetic susceptibility The VNQ5E050MK-E is a quad channel high-side driver manufactured in the ST proprietary
In compliance with the 2002/95/EC
VIPower M0-5 technology and housed in the tiny
european directive
Power SSO-24 package. The VNQ5E050MK-E is
Very low current sense leakage
designed to drive 12V automotive grounded loads
Diagnostic functions delivering protection, diagnostics and easy 3V Proportional load current sense and 5V CMOS compatible interface with any
High current sense precision for wide microcontroller.
currents range
The device integrates advanced protective
Current sense disable functions such as load current limitation, inrush Overload and short to ground (power and overload active management by power limitation) indication limitation, overtemperature shut-off with
Thermal shutdown indication auto-restart and over-voltage active clamp.
Protections A dedicated analog current sense pin is
Undervoltage shutdown associated with every output channel in order to provide Enhanced diagnostic functions including
Overvoltage clamp
fast detection of overload and short-circuit to
Load current limitation
ground through power limitation indication and
Self limiting of fast thermal transients
overtemperature indication.
Protection against loss of ground and loss
The current sensing and diagnostic feedback of
of VCC
the whole device can be disabled by pulling the
Overtemperature shutdown with auto
CS_DIS pin high to allow sharing of the external
restart (thermal shutdown)
sense resistor with other similar devices.
Reverse battery protected (see Figure 29: Application schematic)
October 2009 Doc ID 16374 Rev 1 1/36
www.st.com
Page Summary Contents For ST VNQ5E050MK-Quad Channel High-Side Driver with Analog Current Sense for Automotive Applications - Data Manual/Specifications/User Guide
Manual Details
| Brand | Current |
|---|---|
| Pages | 36 |
| File Size | 592.21 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What is the operating voltage range for this device?
The VNQ5E050MK-E operates within a voltage range of 4.5V to 28V DC.
How does it provide overload and short-circuit protection?
It offers hardware protection through load current limitation, combined with active shoot-through power limiting for reliable management.
Is the device compatible with standard microcontrollers?
Yes, it features 5V CMOS compatible inputs and a dedicated analog pin for high-precision current sensing.
What mechanism handles thermal shutdown?
It implements overtemperature shut-off with an automatic restart capability upon recovery. This cycle can be controlled via the CS_DIS pin.