VN5012AK-E

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产品概述

描述

The VN5012AK-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_CCpin 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 shutdown intervention. Thermal shutdown with automatic restart allows the device to recover normal operation as soon as fault condition disappears.

所有功能
General features

Inrush current active management by power limitation

Very low stand-by current

3.0 V CMOS compatible input

Optimized electromagnetic emission

Very low electromagnetic susceptibility

In compliance with the 2002/95/EC european directive

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

Protections

Undervoltage shutdown

Overvoltage clamp

Load current limitation

Self limiting of fast thermal transients

Protection against loss of ground and loss of V_CC

Thermal shutdown

Reverse battery protection

Electrostatic discharge protection
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