MPC17510 データシートの表示（PDF） - Freescale Semiconductor

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MPC17510

1.2 A 15 V H-Bridge Motor Driver IC

Freescale Semiconductor 

TYPICAL APPLICATIONS

FUNCTIONAL PIN DESCRIPTION

TYPICAL APPLICATIONS

Figure 6 shows a typical application for the 17510.

MCU

5.0 V

17510

VDD VM

C1L

GOUT

C1H

C2L

C2H

CRES

OUT1

EN

GIN

OUT2

IN1

IN2

GND

Motor

Solenoid

Figure 6. 17510 Typical Application Diagram

CEMF SNUBBING TECHNIQUES

Care must be taken to protect the IC from potentially

damaging CEMF spikes induced when commutating currents

in inductive loads. Typical practice is to provide snubbing of

voltage transients by placing a capacitor or zener at the

supply pin (VM) (see Figure 7).

5.0 V 15 V

17510

VDD VM

C1L

C1H OUT1

C2L

C2H

CRES OUT2

GND

5.0 V 15 V

17510

VDD VM

C1L

C1H OUT1

C2L

C2H

CRES OUT2

GND

Figure 7. CEMF Snubbing Techniques

17510

10

Analog Integrated Circuit Device Data

Freescale Semiconductor

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