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VND5025AK-E_08 PDF预览

VND5025AK-E_08

更新时间: 2024-10-28 03:03:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 驱动器
页数 文件大小 规格书
31页 859K
描述
Double channel high side driver with analog current sense for automotive applications

VND5025AK-E_08 数据手册

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VND5025AK-E  
Double channel high side driver with analog  
current sense for automotive applications  
Features  
Max transient supply voltage  
Operating voltage range  
VCC  
41V  
VCC 4.5 to 36V  
PowerSSO-24™  
Max On-State resistance (per ch.) RON  
25 mΩ  
41 A  
2 µA(1)  
– Electrostatic discharge protection  
Current limitation (typ)  
Off state supply current  
ILIMH  
IS  
Application  
1. Typical value with all loads connected.  
All types of resistive, inductive and capacitive  
loads  
Main  
Suitable as LED driver  
– In-rush current active management by  
power limitation  
– Very low stand-by current  
Description  
– 3.0V CMOS compatible input  
– Optimized electromagnetic emission  
– Very low electromagnetic susceptibility  
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  
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  
– In compliance with the 2002/95/EC  
European directive  
– Package: ECOPACK®  
Diagnostic functions  
CC  
– Proportional load current sense  
– High current sense precision for wide range  
currents  
– Current sense disable  
– Thermal shutdown indication  
– Very low current sense leakage  
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.  
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)  
Table 1.  
Device summary  
Package  
Order codes  
Tube  
Tape and Reel  
PowerSSO-24™  
VND5025AK-E  
VND5025AKTR-E  
April 2008  
Rev 8  
1/31  
www.st.com  
1

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