Datasheet > STPW12

STPW12

更新时间： 2024-09-17 14:58:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电子断路器
页数	文件大小	规格书
23页	1116K
描述
12V总线的可编程电子电源断路器

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STPW12 数据手册

STPW12

Datasheet

Programmable electronic power breaker for 12 V bus

Features

•

Real-time input power sensing

Input voltage range: from 10.5 V to 18 V

Continuous current typ.: 1.5 A

P-channel on resistance typ.: 50 mΩ

Power limit accuracy typ.: 3%

Undervoltage lockout

Power SO8

Adjustable power limitation

PWM mode

Programmable power limit masking time

Programmable auto-retry delay

Thermal shutdown

Enable function

Short-circuit current limit

Operative junction temp. - 40 °C to 125 °C

Available in power SO8 package

Simplifies UL compliance and certification

Applications

•

White goods

Consumer electronics

Industrial applications

Air contidioner

Maturity status link

STPW12

Device summary

User interface

Order code

Package

STPW12PHR

Power SO8

Fan motor control

Description

The STPW12 is an integrated electronic power breaker, optimized to monitor the

input power.

Connected in series to the power rail, it is able to disconnect the electronic circuitry

on its output if the power consumption overcomes the programmed limit. When this

happens, the device automatically opens the integrated power switch and

disconnects the load.

The intervention of the protection is communicated to the board monitoring circuits

through a signal on the fault pin.

After a certain delay time, programmable by the user, the device automatically tries

again to close the internal switch and re-connect the load.

A dedicated monitor pin provides the user with continuous information on the

monitored power.

The device can be enabled/disabled through a dedicated pin, and a direct PWM

mode can be implemented providing PWM pin with an external signal.

DS12478 - Rev 1 - March 2018

For further information contact your local STMicroelectronics sales office.

www.st.com

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