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VND5050AJ-E_08 PDF预览

VND5050AJ-E_08

更新时间: 2024-10-28 03:19:35
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
38页 840K
描述
Double channel high side driver with analog current sense for automotive applications

VND5050AJ-E_08 数据手册

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VND5050AJ-E  
VND5050AK-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  
Max On-State resistance (per ch.) RON  
50 mΩ  
18 A  
2 µA(1)  
PowerSSO-12 PowerSSO-24  
Current limitation (typ)  
ILIMH  
IS  
Off state supply current  
Application  
1. Typical value with all loads connected  
All types of resistive, inductive and capacitive  
Main  
loads  
– Inrush current active management by  
power limitation  
Suitable as LED driver  
– Very low stand-by current  
Description  
– 3.0V CMOS compatible input  
– Optimized electromagnetic emission  
– Very low electromagnetic susceptibility  
– In compliance with the 2002/95/ec  
european directive  
The VND5050AJ-E, VND5050AK-E is a  
monolithic device made using STMicroelectronics  
VIPower M0-5 technology. It is intended for driving  
resistive or inductive loads with one side  
connected to ground. Active V pin voltage  
CC  
Diagnostic Functions  
clamp protects the device against low energy  
spikes (see ISO7637 transient compatibility  
table).  
– Proportional load current sense  
– High current sense precision for wide range  
currents  
– Current sense disable  
– Thermal shutdown indication  
– Very low current sense leakage  
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.  
Protections  
When CS_DIS is driven high, the current sense  
pin is in a high impedance condition.  
– Undervoltage shut-down  
– Overvoltage clamp  
– Load current limitation  
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.  
– 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  
February 2008  
Rev 7  
1/38  
www.st.com  
38  

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