MC34923DW 데이터 시트보기 (PDF) - Freescale Semiconductor

부품명

상세내역

제조사

MC34923DW

Full-Bridge PWM Motor Driver

Freescale Semiconductor 

Freescale Semiconductor, Inc.

.

VB

1

CP2

2

CP1

3

DIR

4

OSC

5

GND

6

GND

7

VDD

8

PWM/ENABLE

9

DATA

10

CLOCK

11

STROBE

12

24

VREG

23

SPAN

22

NC

21

DCMB

20

VBB

19

GND

18

GND

17

SENSE

16

DCMA

15

NC

14

PWMMODE

13

VREF

PIN FUNCTION DESCRIPTION

Pin

Pin Name

Formal Name

Definition

1

VB

Boost Voltage

Boost voltage storage node.

2

CP2

Switching Capacitor 2

Charge pump capacitor connection 2.

3

CP1

Switching Capacitor 1

Charge pump capacitor connection 1.

4

DIR

Direction

Logic-level input for direction control.

5

OSC

Oscillator

Logic-level oscillator (square wave) input.

6, 7, 18, 19

GND

Ground

Ground.

8

VDD

Logic Voltage

Low voltage (typically 5.0 V) logic supply.

9

PWM/ENABLE

H-Bridge Enable

Logic-level input for enabling the H-bridge driver.

10

DATA

Serial Data

Logic-level input for serial interface.

11

CLOCK

Serial Data Clock

Logic-level input for serial port (data is entered on rising edge).

12

STROBE

Serial Data Latch Strobe

Logic-level input for serial port (active on rising edge).

13

VREF

Current Limit Reference

Load current reference input voltage.

Voltage

14

PWMMODE

PWM Mode Control

Logic-level input for PWM mode control when in internal PWM mode.

15, 22

NC

No Connect

No internal connection to this pin.

16

DCMA

H-Bridge Output A

One of two bridge outputs to the motor.

17

SENSE

Current Sense

Sense resistor.

20

VBB

H-Bridge Voltage Supply

High-current (20 V to 45 V) load supply.

21

DCMB

H-Bridge Output B

One of two bridge outputs to the motor.

23

SPAN

Current Limit Reference Range Logic-level input for VREF range control.

24

VREG

Bandgap Voltage

Bandgap decoupling capacitor.

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

For More Information On This Product,

Go to: www.freescale.com

34923

3

Share Link: