STSPIN840 datasheet(1/28 Pages) STMICROELECTRONICS

No de pièce	STSPIN840

Description	Compact dual brushed DC motor driver

PDF	28 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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1 / 28 page

This is information on a product in full production.

May 2018

DocID031835 Rev 1

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STSPIN840

Compact dual brushed DC motor driver

Datasheet

- production data

Features

 Operating voltage from 7 to 45 V

 Maximum output current 1.5 Arms

 RDSon HS + LS = 1  typ.

 Current control with adjustable OFF time

 Current sensing based on external shunt

resistors

 Full protections set

– Non-dissipative overcurrent protection

– Short-circuit protection

– Undervoltage lockout

– Thermal shutdown

 Parallel operation mode achieving single full-

bridge configuration with output IRMS = 3 Arms

and RDSon HS + LS = 500 m typ.

 Low standby current consumption

Applications

 Industrial automation and service robots

 Medical and health care

 ATM and money handling machines

 Stage lighting

 Thermal printers

 Textile and sewing machines

 Vending machines

 Office and home automation

Description

The STSPIN840 is a compact brushed DC motor

driver able to drive two bi-directional brushed DC

motors simultaneously. It integrates, in a very

small 4 x 4 mm QFN package, both the control

logic and a fully protected low RDSon dual full-

bridge power stage.

Thanks to a dedicated PARALLEL input pin the

parallel mode function can be enabled,

transforming the device in an equivalent and

more powerful single full-bridge able to deliver up

to 3Arms current at an equivalent HS + LS RDSon

of 500 m

.

The STSPIN840 embeds two independent PWM

current controllers (one for each full bridge) based

on user settable values of reference voltage and

OFF time.

The devices can be forced in a low consumption

state reducing the total current consumption down

to less than 45

A.

As with all other devices from the STSPIN family,

the STSPIN840 integrates a complete set of

protections for the power stages (non-dissipative

overcurrent, thermal shutdown, short-circuit and

undervoltage lockout) making it a bulletproof

solution for the new wave of demanding industrial

applications.

QFN 4 x 4 - 24 lead

www.st.com

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