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VN5E010AH-E
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VN5E010AH-E 应用笔记 - ST Microelectronics

更新时间: 2025-06-13 21:11:28 (UTC+8)

VN5E010AH-E 应用笔记

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September 2013 Doc ID 15984 Rev 3 1/37
1
VN5E010AH
10 m high-side driver with analog current sense
for automotive applications
Features
General
Inrush current active management by
power limitation
Very low standby current
3 V CMOS compatible inputs
Optimized electromagnetic emissions
Very low electromagnetic susceptibility
In compliance with the 2002/95/EC
european directive
Very low current sense leakage
Diagnostic functions
Proportional load current sense
High current sense precision for wide
current range
Current sense disable
OFF-state open-load detection
Output short to V
CC
detection
Overload and short to ground (power
limitation) indication
Thermal shutdown indication
Protection
Undervoltage shutdown
Overvoltage clamp
Load current limitation
Self limiting of fast thermal transients
Protection against loss of ground and loss
of V
CC
Overtemperature shut down with
autorestart (thermal shutdown)
Reverse battery protection with self switch
on of the Power MOSFET
(see Figure 32)
Electrostatic discharge protection
Applications
All types of resistive, inductive and capacitive
loads
Suitable as LED driver
Description
The VN5E010AH is a single-channel high-side
driver manufactured in the ST proprietary
VIPower M0-5 technology and housed in the tiny
HPAK package. The VN5E010AH is designed to
drive 12 V automotive grounded loads delivering
protection, diagnostics and easy 3 V and 5 V
CMOS compatible interface with any
microcontroller.
The device integrates advanced protective
functions such as load current limitation, inrush
and overload active management by power
limitation, overtemperature shut-off with auto-
restart and overvoltage active clamp. A dedicated
analog current sense pin is associated with every
output channel in order to provide ehnanced
diagnostic functions including fast detection of
overload and short-circuit to ground through
power limitation indication, overtemperature
indication, short-circuit to Vcc diagnosis and
ON- and OFF-state open-load detection.
The current sensing and diagnostic feedback of
the whole device can be disabled by pulling the
CS_DIS pin high to allow sharing of the external
sense resistor with other similar devices
.
Max supply voltage V
CC
41 V
Operating voltage range V
CC
4.5 V to 28 V
Typ. ON-state resistance R
ON
10 m
Current limitation (typ) I
LIMH
85 A
OFF-state supply current I
S
2 µA
(1)
1. Typical value with all loads connected
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