a4985 Allegro MicroSystems, Inc., a4985 Datasheet - Page 8
a4985
Manufacturer Part Number
a4985
Description
Dmos Microstepping Driver With Translator And Overcurrent Protection
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A4985.pdf
(21 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
a4985SESTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
a4985SLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A4985
Figure 2. Missed steps in low-speed microstepping
Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded)
Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded)
I
Step input 10 V/div.
LOAD
Voltage on ROSC terminal 2 V/div.
Step input 10 V/div.
500 mA/div.
Decay
Slow
Missed
Step
Decay
Mixed
DMOS Microstepping Driver with Translator
Decay
Slow
Decay
Mixed
t → , 1 s/div.
t → , 1 s/div.
Mixed Decay
No Missed
Steps
Decay
Slow
and Overcurrent Protection
Decay
Mixed
Decay
Slow
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Decay
Mixed
8
Related parts for a4985
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Bimos Ii 8-bit Serial-input, Latched Drivers Microsystems
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Latched, Universal Input-voltage Switches Microsystems
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Two-wire, Programmable, Chopper-stabilized, Unipolar Hall-effect Switch Microsystems
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Motion Motor Control, 4.5V to 5.5V Operating Voltage, -20C to 85C Operating Temperature, DIP
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
Motion Motor Control, 4.5V to 5.5V Operating Voltage, -20C to 85C Operating Temperature, PLCC
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
DMOS Dual Full-Bridge PWM Motor Driver
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
DMOS Dual Full-bridge PWM Motor Driver
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
DUAL DMOS FULL-BRIDGE DRIVER
Manufacturer:
Allegro MicroSystems, Inc.
Part Number:
Description:
Microstepping DMOS Driver with Translator
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
DMOS Microstepping Driver with Translator
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Low-voltage Audio Power Amplifier
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Am Signal Processors
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Vacuum Fluorescent Display Driver
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet:
Part Number:
Description:
Quad Darlington Power Driver
Manufacturer:
Allegro MicroSystems, Inc.
Datasheet: