MTS2916A datasheet(11/20 Pages) MICROCHIP

No. de pieza	MTS2916A

Descripción Electrónicos	Dual Full-Bridge Motor Driver

PDF	20 Pages

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Fabricante Electrónico	MICROCHIP [Microchip Technology]

Página de inicio	http://www.microchip.com

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 2010-2013 Microchip Technology Inc.

DS22259C-page 11

MTS2916A

4.0

APPLICATION CIRCUITS

AND ISSUES

4.1

Typical Application

The MTS2916A circuit, with external components for a

typical application, is shown in Figure 4-1. Typical

passive component values are: RS =1, RC =1 k,

CC = 820 pF, Rt =56 k and Ct = 820 pF.

FIGURE 4-1:

Typical Application Circuit.

During PWM operation, when the output stage is

turned on, large voltage peaks may appear across RS,

which can wrongly trigger the input comparator. To

avoid an unstable current control, an external RcCc

filter should be used that delays the comparator action.

Depending on load type, many applications will not

require this filter (SENSE connected to COMPIN).

VLOGIC

VLOAD

10 to 30V

VREF1

VREF2

100 nF

PHASE1

PHASE2

I01

I11

I02

I12

100 nF

100 µF

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Current

Sense

Comparator

Current

Sense

Comparator

One-shot

Under-V

Lockout

Thermal

Shutdown

Shift

Drivers

Shift

Drivers

OUT1A

OUT1B

OUT2A

OUT2B

COMPIN1

COMPIN2

RC2

RC1

GND

SENSE1

SENSE2

Power

Bridge

Power

Bridge

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