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TMC246A-PA
+NomenclatureIC MTR DRVR BIPOLAR 3-5.5V 44QFP
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FabricantTrinamic Motion Control Ltd
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Pièce fabricant #TMC246A-PA
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Package 44-LQFP
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En stock1370
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Spécifications
| Attribut | Valeur |
| Package | Tray |
| Series | stallGuard™ |
| ProductStatus | Discontinued at Digi-Key |
| MotorType-Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | SPI |
| Technology | HVCMOS |
| StepResolution | 1, 1/2, 1/4, 1/8, 1/16 |
| Applications | General Purpose |
| Current-Output | 1.5A |
| Voltage-Supply | 3V ~ 5.5V |
| Voltage-Load | 7V ~ 34V |
| OperatingTemperature | -40°C ~ 140°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 44-LQFP |
Présentation
Description
Key features of the TMC246A-PA include its integrated chopper for current regulation, reducing power dissipation and ensuring efficient motor operation. The IC also provides diagnostic outputs for error detection and monitoring, enhancing reliability and ease of troubleshooting. Its compact package and minimal external component requirements make it ideal for space-constrained designs. Suitable applications range from 3D printers and CNC machines to robotics and automation systems, where precise and reliable stepper motor control is essential.
Equivalent
1. A4988 - Allegro MicroSystems
2. DRV8825 - Texas Instruments
3. L6470 - STMicroelectronics
4. TB67S249FTG - Toshiba
5. L298N - STMicroelectronics (for basic applications)
6. DRV8834 - Texas Instruments (for lower voltage applications)
These alternatives might have different features and specifications, so it's crucial to verify compatibility with your application requirements.
Features
1. Microstepping: Supports up to 16 microsteps per full step, enhancing motor smoothness and precision.
2. PWM Control: Implements advanced PWM current control for minimal power dissipation and optimal performance.
3. Integrated MOSFETs: Includes integrated N-channel MOSFETs, reducing external component requirements and saving space.
4. Protection Features: Offers overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
5. Diagnostic Outputs: Provides diagnostic feedback for monitoring motor status and fault conditions.
6. Compact Package: Available in a small package, making it suitable for applications with limited space.
7. Low Power Consumption: Designed for energy-efficient operation, ideal for battery-powered applications.
8. Voltage Range: Supports a wide operating voltage range, accommodating various power supply conditions.
These features make the TMC246A-PA a versatile and efficient solution for precise and reliable stepper motor control in a variety of applications.
Pinout
The TMC246A-PA is packaged in a 36-pin Power-SSO package. The pin functions include:
1. Power Supply Pins: For connecting the supply voltage (VS) and ground (GND).
2. Motor Output Pins: Pairs for connecting two motor coils (A1, A2, B1, B2).
3. Control Pins: For setting microstep resolution, current scaling, and other operation modes.
4. Logic Interface Pins: For receiving step and direction signals, as well as other control inputs like ENABLE, MS1, MS2 (for microstep configuration), and SLEEP.
5. Diagnostic Pins: For providing feedback on the status of the driver, such as error detection and stallGuard signals.
This IC is primarily used for applications requiring precise control of stepper motors, benefiting from its integrated features like smooth operation with microstepping and energy efficiency.
Manufacturer
Application
1. 3D Printers: Provides smooth and precise motor control for accurate print head positioning.
2. CNC Machines: Offers reliable performance for automated machining and cutting processes.
3. Robotics: Ensures precise movements and control in robotic arms and mobile robots.
4. Textile Machinery: Facilitates accurate control of fabric handling equipment.
5. Medical Devices: Utilized in devices requiring precise motor control, such as infusion pumps.
Its features, like microstepping and low-noise operation, make it ideal for applications demanding high precision and efficiency.