MPC17510R2 データシートの表示（PDF） - Motorola => Freescale

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MPC17510R2

1.2 A 15 V H-Bridge Motor Driver IC

Motorola => Freescale 

Freescale Semiconductor, Inc.

GOUT

The GOUT output terminal provides a level-shifted, high-side

gate drive signal to an external MOSFET with Ciss up to 500 pF.

VDD

The VDD terminal carries the 5.0 V supply voltage and

current into the logic sections of the IC. VDD has an

undervoltage threshold. If the supply voltage drops below the

undervoltage threshold, the output power stage switches to a

tri-state condition. When the supply voltage returns to a level

that is above the threshold, the power stage automatically

resumes normal operation according to the established

condition of the input terminals.

APPLICATIONS

Typical Application

Figure 4 shows a typical application for the 17510.

5.0 V

17510

VDD VM

C1L

GOUT

C1H

C2L

C2H

CRES

OUT1

MCU

EN

GIN

IN1

OUT2

IN2

GND

Motor

Solenoid

Figure 4. 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

terminal (VM) (see Figure 5).

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 5. CEMF Snubbing Techniques

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

For More Information On This Product,

17510

9

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