Analog Integrated Circuit Device Data

10

Freescale Semiconductor

17510

TYPICAL APPLICATIONS

FUNCTIONAL PIN DESCRIPTION

TYPICAL APPLICATIONS

Figure 6 shows a typical application for the 17510.

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).

Figure 7. CEMF Snubbing Techniques

MCU

17510

5.0 V

GND

C1L

C1H

C2L

C2H

CRES

EN

GIN

IN1

IN2

VM

Motor

GOUT

Solenoid

OUT1

OUT2

17510

5.0 V

15 V

C1L

C1H

C2L

C2H

VM

OUT1

OUT2

GND

17510

5.0 V

15 V

C1L

C1H

C2L

C2H

VM

VDD

OUT1

OUT2

GND