3972 datasheet(2/12 Pages) ALLEGRO

Part #	3972

Description	DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER

Download	12 Pages

Scroll/Zoom	100%

Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

Logo

2 / 12 page

3972

DUAL DMOS FULL-BRIDGE

MICROSTEPPING PWM MOTOR DRIVER

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

2

FUNCTIONAL BLOCK DIAGRAM

CONTROL

LOGIC

REGULATOR

UVLO AND

FAULT

DETECT

OUT

1A

SENSE

1

GATE

DRIVE

CHARGE PUMP

V

REG

CP1

CP2

V

CP

V

BB1

BANDGAP

OSC

SERIAL

PORT

CLOCK

DATA

STROBE

OUT

1B

0.22

µF

+-

V

DD

PHASE 1/2

SYNC. RECT. MODE

SYNC. RECT. DISABLE

MODE 1/2

0.22

µF

0.22

µF

REF

OUT

2A

V

BB2

OUT

2B

SENSE

2

PROGRAMMABLE

PWM TIMER

FIXED-OFF

BLANK

MIXED DECAY

PROGRAMMABLE

PWM TIMER

FIXED-OFF

BLANK

MIXED DECAY

6-BIT

LINEAR

DAC

+-

SENSE

1

V

CP

2 V

GROUND

MUX

OSCILATOR

OSC SELECT/

DIVIDER

BUFFER

0.1

µF

SLEEP

DMOS H-BRIDGE

15

14

24

11

12

10

23

13

17

21

16

20

8

4

9

5

1

3

2

22

6

7

18 19

LOAD

SUPPLY

LOGIC

SUPPLY

0.1

µF

Dwg. FP-050-1

6

6-BIT

LINEAR

DAC

Similar Part No. - 3972

Manufacturer	Part #	Datasheet	Description
List of Unclassifed Man...	397	335Kb / 1P	T-1 3/4 STANDARD MIDGET GROOVE
Energizer	397	534Kb / 1P	Silver Oxide Batteries
Energizer	397-396TZ	534Kb / 1P	Industry Standard Dimensions
Agere Systems	3970	121Kb / 6P	3970-Type 1550 nm Transmitter
Qualtek Electronics Cor...	397001-01	163Kb / 1P	POWER CORD

More results

Similar Description - 3972

Manufacturer	Part #	Datasheet	Description
Allegro MicroSystems	A3992	549Kb / 13P	DMOS Dual Full-Bridge Microstepping PWM Motor Driver
	A3972	312Kb / 10P	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
	A3973SLB-T	364Kb / 10P	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
	A3992	477Kb / 13P	DMOS Dual Full-Bridge Microstepping PWM Motor Driver
	A3973	364Kb / 10P	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
	3973	201Kb / 12P	DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER December 1, 2000
	A3972SB-T	282Kb / 11P	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
Shindengen Electric Mfg...	MTD2017G	120Kb / 5P	Dual Full-bridge Microstepping PWM Motor Driver
	MTD2018G	120Kb / 5P	Dual Full-bridge Microstepping PWM Motor Driver
	MTD2018F	91Kb / 5P	Dual Full-bridge Microstepping PWM Motor Driver

More results

3972 Datasheet(PDF) 2 Page - Allegro MicroSystems

3972 Datasheet(HTML) 2 Page - Allegro MicroSystems

Similar Part No. - 3972

Similar Description - 3972

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL