VND5025AK-E
EEWorld咨询电话：82357002，82350740－8068 邮件咨询：
datasheet@eeworld.com.cn
器件描述：Double channel high side driver with analog current sense for automotive applications
器件厂商：STMICROELECTRONICS [
STMicroelectronics]
厂商主页：http://www.st.com/
文件大小：857.27KB
文件页数：31
PDF阅读：VND5025AK-E.pdf (点击阅读器件资料)
摘要：
April 2008 Rev 8 1/31
1
VND5025AK-E
Double channel high side driver with analog
current sense for automotive applications
Features
■ Main
– In-rush current active management by
power limitation
– Very low stand-by current
– 3.0V CMOS compatible input
– Optimized electromagnetic emission
– Very low electromagnetic susceptibility
– In compliance with the 2002/95/EC
European directive
– Package: ECOPACK
?
■ Diagnostic functions
– Proportional load current sense
– High current sense precision for wide range
currents
– Current sense disable
– Thermal shutdown indication
– Very low current sense leakage
■ Protection
– Undervoltage shut-down
– Overvoltage clamp
– Load current limitation
– Self-limiting of fast thermal transients
– Protection against loss of ground and loss
of V
CC
– Thermal shut down
– Reverse battery protection (see Application
schematic)
– Electrostatic discharge protection
Application
■ All types of resistive, inductive and capacitive
loads
■ Suitable as LED driver
Description
The VND5025AK-E is a monolithic device made
using STMicroelectronics VIPower M0-5
technology, intended for driving resistive or
inductive loads with one side connected to
ground, and suitable for driving LEDs. Active V
CC
pin voltage clamp protects the device against low
energy spikes (see ISO7637 transient
compatibility table). This device integrates an
analog current sense which delivers a current
proportional to the load current (according to a
known ratio) when CS_DIS is driven low or left
open. When CS_DIS is driven high, the
CURRENT SENSE pin is in a high impedance
condition. Output current limitation protects the
device in overload condition. In case of long
overload duration, the device limits the dissipated
power to safe level up to thermal shut-down
intervention. Thermal shut-down with automatic
restart allows the device to recover normal
operation as soon as fault condition disappears.
Max transient supply voltage V
CC
41V
Operating voltage range V
CC
4.5 to 36V
Max On-State resistance (per ch.) R
ON
25 m?
Current limitation (typ) I
LIMH
41 A
Off state supply current I
S
2 ?A
(1)
1. Typical value with all loads connected.
PowerSSO-24?
Table 1. Device summary
Package
Order codes
Tube Tape and Reel
PowerSSO-24? VND5025AK-E VND5025AKTR-E
www.st.com
