| Parameters |
| Mount |
Surface Mount |
| Mounting Type |
Surface Mount |
| Package / Case |
44-LCC (J-Lead) |
| Number of Pins |
44 |
| Operating Temperature |
-20°C~150°C TJ |
| Packaging |
Tube |
| Published |
2003 |
| JESD-609 Code |
e3 |
| Part Status |
Obsolete |
| Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
| Number of Terminations |
44 |
| Termination |
SMD/SMT |
| ECCN Code |
EAR99 |
| Terminal Finish |
Matte Tin (Sn) |
| Applications |
General Purpose |
| Subcategory |
Motion Control Electronics |
| Technology |
DMOS |
| Voltage - Supply |
3V~5.5V |
| Terminal Position |
QUAD |
| Terminal Form |
J BEND |
| Peak Reflow Temperature (Cel) |
260 |
| Supply Voltage |
5V |
| Time@Peak Reflow Temperature-Max (s) |
40 |
| Base Part Number |
A3977 |
| Function |
Driver - Fully Integrated, Control and Power Stage |
| Number of Outputs |
1 |
| Qualification Status |
Not Qualified |
| Output Voltage |
35V |
| Max Output Current |
3A |
| Operating Supply Voltage |
5V |
| Supply Voltage-Min (Vsup) |
3V |
| Interface |
Logic |
| Output Configuration |
Half Bridge (4) |
| Current - Output |
2.5A |
| Max Output Voltage |
50V |
| Voltage - Load |
8V~35V |
| Motor Type |
Stepper |
| Motor Type - Stepper |
Bipolar |
| Step Resolution |
1, 1/2, 1/4, 1/8 |
| Height Seated (Max) |
4.57mm |
| REACH SVHC |
No SVHC |
| RoHS Status |
ROHS3 Compliant |
| Lead Free |
Lead Free |
A3977SED-T Overview
This package was designed with Tubein mind.This part is packed in a 44-LCC (J-Lead) case.The part should be mounted by Surface Mount.Fits the component connected to General Purpose.There is a possibility of providing 3V~5.5Vvolts through the device.Regarding the operating temperature, it is in the range of -20°C~150°C TJ°C.This part has 44termination options.Drivers controllers is possible to apply voltage at a rate of 8V~35Vto the load.Drivers controllers is important to note that this amplifier should be operated at the 5Vsetting.There is a recommended mounting method of Surface Mount.Maintain the current output of the part at 2.5A volts.The A3977part number allows us to locate it.44 pins are provided for its design.Drivers controllers is a part of the Motion Control Electronics series.Drivers controllers is possible to access 1outputs.The driver operates from a supply voltage of 5V volts.Continually maintains the output voltage at 35V.This motor type can be recognized as Stepper.As a result, the maximum output current reaches 3Ain order to meet the requirements of the operation.
A3977SED-T Features
Applications : General Purpose
Load voltage across the chip 8V~35V
base on A3977 number
designed with 1 outputs
Motor Type classified as Stepper
A3977SED-T Applications
There are a lot of Allegro MicroSystems A3977SED-T motor drivers applications.
- LED ballasts
- Handheld devices
- Tail lights
- Matrix LED dimmers
- Automotive instrumentation
- High brightness LED lighting
- Step-up or step-down driver topologies
- Digital still cameras
- LCD displays
- Tunnel lights