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Brand Name : Allegro MicroSystems
Model Number : A4989SLDTR-T
MOQ : 1
Price : Based on current price
Payment Terms : T/T
Supply Ability : In stock
Delivery Time : 3-5 work days
Packaging Details : anti-static bag & cardboard box
Motor Type - Stepper : Bipolar
Motor Type - AC, DC : -
Function : Controller - Commutation, Direction Management
Output Configuration : Pre-Driver - Half Bridge (4)
Interface : Logic
Technology : Power MOSFET
Step Resolution : 1, 1/2, 1/4, 1/16
Applications : General Purpose
Current - Output : -
Voltage - Supply : 3V ~ 5.5V
Voltage - Load : 12V ~ 50V
Operating Temperature : -20°C ~ 85°C (TA)
Mounting Type : Surface Mount
Package / Case : 38-TFSOP (0.173", 4.40mm Width)
Supplier Device Package : 38-TSSOP
The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W). Motor power is provided by external N-channel power MOSFETs at supply voltages from 12 to 50 V.
▪ 2-wire step and direction interface
▪ Dual full-bridge gate drive for N-channel MOSFETs
▪ Operation over 12 to 50 V supply voltage range
▪Synchronous rectification
▪Cross-conduction protection
▪ Adjustable mixed decay
▪ Integrated sinusoidal DAC current reference
▪ Fixed off-time PWM current control
▪ Enhanced low current control when microstepping
▪ Pin compatible with the A3986
| Attribute | Attribute Value |
|---|---|
| Manufacturer | Allegro MicroSystems |
| Product Category | Motor Drivers and Controllers |
| Series | - |
| Packaging | Alternate Packaging |
| Package-Case | 38-TFSOP (0.173", 4.40mm Width) |
| Technology | Power MOSFET |
| Operating-Temperature | -20°C ~ 85°C (TA) |
| Mounting-Type | Surface Mount |
| Function | Controller - Commutation, Direction Management |
| Applications | General Purpose |
| Interface | Step/Direction |
| Voltage-Supply | 3 V ~ 5.5 V |
| Supplier-Device-Package | 38-TSSOP |
| Current-Output | - |
| Output-Configuration | Pre-Driver - Half Bridge (4) |
| Voltage-Load | 12 V ~ 50 V |
| Motor-Type-Stepper | Bipolar |
| Motor-Type-AC-DC | - |
| Resolution | 1, 1/2, 1/4, 1/16 |
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A4989SLDTR-T IC MTR DRV BIPOLR 3-5.5V 38TSSOP Allegro MicroSystems Images |