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A3901SEJTR-T
+NomenclatureIC MTR DRVR BIPLR 2.5-5.5V 10DFN
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FabricantAllegro microsystèmes
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Pièce fabricant #A3901SEJTR-T
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Fiche technique A3901SEJTR-T DataSheet
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Package 10-WFDFNExposedPad
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En stock5691
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| MotorType-Stepper | Bipolar |
| MotorType-ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | Parallel |
| Technology | Power MOSFET |
| StepResolution | 1, 1/2 |
| Applications | General Purpose |
| Current-Output | 400mA |
| Voltage-Supply | 2.5V ~ 5.5V |
| Voltage-Load | 2.5V ~ 5.5V |
| OperatingTemperature | -20°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Présentation
Description
Equivalent
1. TI DRV8833: Dual H-Bridge Motor Driver
2. ON Semiconductor AM4950: Dual Full-Bridge Driver
3. Allegro MicroSystems A4950: Dual Full-Bridge PWM Motor Driver
4. Toshiba TB6612FNG: Dual Motor Driver IC
These alternatives offer similar functionalities, supporting DC motor control applications where compactness and low power are key considerations. Always verify pin compatibility and electrical characteristics before substituting.
Features
1. Dual H-Bridge: Supports bidirectional control of two DC motors or a single bipolar stepper motor.
2. Low On-Resistance: Ensures efficient motor operation and reduced heat dissipation.
3. PWM Control: Allows for precise speed and torque management via pulse-width modulation inputs.
4. Current Limiting and Protection: Built-in current limiting, over-temperature, and short-circuit protection enhance reliability and safety.
5. Sleep Mode: Reduces power consumption when the device is inactive.
6. Compact Package: Available in a small, surface-mount package that saves board space and is suitable for compact designs.
These features make the A3901SEJTR-T ideal for applications such as robotics, consumer electronics, and various automation systems requiring efficient and reliable motor control.
Pinout
The primary function of the A3901SEJTR-T is to control the direction and speed of small motors. The device integrates full H-bridge control circuitry, which allows for bidirectional control of two DC motors or one stepper motor. It is typically used in battery-operated devices due to its low voltage and low current capabilities.
The package is a 10-pin DFN (Dual Flat No-leads), which is efficient in terms of space savings on a PCB. Key pins include power supply inputs, ground, motor drive outputs, and control logic inputs. The small size and low power consumption make it ideal for compact and portable applications.
Manufacturer
Application
1. Robotics: For controlling motors in robotic arms and automated systems.
2. Consumer Electronics: In devices like digital cameras and toys for motorized functions.
3. Office Equipment: Used in printers and scanners for paper handling mechanisms.
4. Home Appliances: In appliances like vacuum cleaners and fans for motor control.
5. Automotive: For controlling mirrors, seats, or window lifts.
Its compact size and efficient motor control capabilities make it suitable for embedded systems with space and power constraints.