Parameters |
Motor Type - Stepper |
Bipolar |
Step Resolution |
1, 1/2, 1/4, 1/8 |
Height |
1.2mm |
Length |
9.7mm |
Width |
4.4mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
8 Weeks |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
28-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Number of Pins |
28 |
Operating Temperature |
-20°C~150°C TJ |
Packaging |
Tape & Reel (TR) |
Published |
2003 |
JESD-609 Code |
e3 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
28 |
ECCN Code |
EAR99 |
Terminal Finish |
Matte Tin (Sn) |
Applications |
General Purpose |
Additional Feature |
ALSO REQUIRES A 8V TO 35V SUPPLY |
Subcategory |
Motion Control Electronics |
Technology |
DMOS |
Voltage - Supply |
3V~5.5V |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Supply Voltage |
5V |
Terminal Pitch |
0.65mm |
Time@Peak Reflow Temperature-Max (s) |
40 |
Base Part Number |
A3977 |
Function |
Driver - Fully Integrated, Control and Power Stage |
Qualification Status |
Not Qualified |
Output Voltage |
35V |
Operating Supply Voltage |
5V |
Supply Voltage-Min (Vsup) |
3V |
Number of Channels |
1 |
Interface |
Logic |
Output Configuration |
Half Bridge (4) |
Collector Emitter Voltage (VCEO) |
35V |
Max Collector Current |
2.5A |
Voltage - Load |
8V~35V |
Max Junction Temperature (Tj) |
150°C |
Switching Frequency |
500kHz |
Motor Type |
Stepper |
Ambient Temperature Range High |
85°C |
A3977SLPTR-T Overview
The design includes a package of type [0].The part is packged with 28-TSSOP (0.173, 4.40mm Width) Exposed Pad case.Drivers controllers is recommended to mount the part by Surface Mount.This component is suitable for the component connected to General Purpose.In this case, the device can supply 3V~5.5V volts.Operation temperature ranges from -20°C~150°C TJ.This part offers 28terminations.A voltage of 8V~35Vcan be applied to the load.I would like to remind you that this amplifier should be operated at 5V.Surface Mountis the recommended mounting method.Drivers controllers is based on the A3977 part number.28 pins are provided for its design.The item belongs to the Motion Control Electronics series.There is 5V supply voltage required for this driver.In this case, the output voltage is kept at 35V volts.Drivers controllers is possible to recognize the motor type as [0].Controller ic has also been assigned the characteristic [0].The device has a total of 1channels.
A3977SLPTR-T Features
Applications : General Purpose
Load voltage across the chip 8V~35V
base on A3977 number
Motor Type classified as Stepper
Additional Feature: ALSO REQUIRES A 8V TO 35V SUPPLY
A3977SLPTR-T Applications
There are a lot of Allegro MicroSystems A3977SLPTR-T motor drivers applications.
- Multiple output capability
- Tunnel lights
- A cross between entertainment
- Camcorders
- Matrix LED dimmers
- Large format LED backlighting
- Horticultural lighting
- High power LED street light
- Handheld devices
- Architectural lighting