Allegro MicroSystems A4955GESTR-T Microcontrollers
Brush DC Motor Controller, QFN-20
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
A4955GESTR-T
Detailed Description
Brush DC Motor Controller, QFN-20
Package
20-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
A4955GESTR-T Datasheet
Quick Jump:
Technical Specifications
Allegro MicroSystems A4955GESTR-T Microcontrollers technical specifications.
General
Series
A4955
Interface
Parallel
RoHS
Yes
Package / Case
20-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
5.5V ~ 50V
Lifecycle Status
Active
Technology
NMOS
Output Configuration
Pre-Driver - Half Bridge (2)
Alternate Parts Comparison (A4955GESTR-T vs A4491EESTR-T vs A4490EESTR-T vs A4988SETTR-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-WFQFN Exposed Pad | 20-WFQFN Exposed Pad | 20-WFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -20°C ~ 150°C (TJ) |
| Lifecycle Status | Active | Active | Active | Active |
| Function | Controller - Commutation, Direction Management | Step-Down | Step-Down | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Pre-Driver - Half Bridge (2) | Positive | Positive | Half Bridge (4) |
| Supply Voltage | 5.5V ~ 50V | 4.3 V | -- | 3V ~ 5.5V |
| Number of Outputs | 2 | 3 | 3 | -- |
| Output Current | 68 mA | 4.5 A | -- | 2A |
| Output Voltage | 6.8 V | 0.8V | 0.8V | -- |
| Action |
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