UDQ2943Z Allegro MicroSystems, Inc., UDQ2943Z Datasheet - Page 6

• Manufacturer Part Number: UDQ2943Z
• Description: High-current Half-bridge Motor Driver
• Manufacturer: Allegro MicroSystems, Inc.

*
†
from the detail specifications as may be required to permit improvements in the design of its
products. Components made under military approvals will be in accordance with the approval
requirements.
MicroSystems, Inc. assumes no responsibility for its use; nor for any infringements of patents
or other rights of third parties which may result from its use.
Function
3-Phase Controller/Drivers
Hall-Effect Latched Sensors
2-Phase Hall-Effect Sensor/Controller
Hall-Effect Complementary Output Sensor
2-Phase Hall-Effect Sensor/Driver
2-Phase Hall-Effect Sensor/Driver
Hall-Effect Comp. Output Sensor/Driver
3-Phase Back-EMF Controller/Driver
3-Phase Controller/DMOS Driver
3-Phase Back-EMF Controller/Driver
PWM Current Controlled Dual Full Bridge
PWM Current Controlled Dual Full Bridge
PWM Current Controlled Dual Full Bridge
PWM Current Controlled Dual Full Bridge
Half-Bridge Driver
Dual Full Bridge Driver
PWM Current Controlled Full Bridge
PWM Current Controlled Full Bridge
PWM Current Controlled Dual Full Bridge
PWM Current Controlled Dual Full Bridge
Unipolar Stepper Motor Quad Driver
Unipolar Stepper-Motor Translator/Driver
Unipolar Stepper-Motor Quad Driver
Unipolar Microstepper-Motor Quad Driver
Voice-Coil Motor Driver
Voice-Coil Motor Driver
Voice-Coil (and spindle) Motor Driver
2943
HIGH-CURRENT HALF-BRIDGE MOTOR DRIVER
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures
The information included herein is believed to be accurate and reliable. However, Allegro
Current is maximum specified test condition, voltage is maximum rating. See specification for sustaining
voltage limits or over-current protection voltage limits.
Negative current is defined as coming out of (sourcing) the output.
Complete part number includes additional characters to indicate operating temperature range and package style.
A A
INTEGRATED BRIDGE DRIVERS FOR DC AND BIPOLAR STEPPER MOTORS
INTEGRATED CIRCUITS FOR BRUSHLESS DC MOTORS
OTHER INTEGRATED CIRCUIT MOTOR DRIVERS
MicroSystems, Inc.
TM
TM
MOTOR DRIVERS SELECTION GUIDE
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Output Ratings *
900 mA
400 mA
300 mA
10 mA
20 mA
20 mA
900 mA
750 mA
750 mA
800 mA
800 mA
1.25 A
500 mA
800 mA
350 mA
1.8 A
1.2 A
2.0 A
4.0 A
1.0 A
1.5 A
1.5 A
1.0 A
2.0 A
2.0 A
1.3 A
1 A
45 V
24 V
25 V
25 V
14 V
14 V
45 V
45 V
45 V
45 V
24 V
50 V
50 V
50 V
45 V
30 V
50 V
46 V
46 V
16 V
14 V
26 V
60 V
50 V
7 V
6 V
7 V
Part Number †
2936 and 2936-120
3175 and 3177
3235
3275
3625
3626
5275
8902–A
8925
8980 and 8983
2916
2917
2918
2919
2943
2998
3952
3953
3961
3962
2544
5804
7024 and 7029
7042
8932-A
8958
8980 and 8983