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Description: 1. Microstepping: The A3967 is a high-performance, full-bridge driver capable of microstepping as fine as 1/32 step at 1.8° per step for precise positioning in open-loop applications. 2. Current Rating: This driver can handle up to 3A continuous current and 4.5A peak current per phase, making it suitable for a wide range of stepper motor sizes and applications. 3. Efficiency: Featuring an efficient design with low power consumption, the A3967 ensures minimal heat dissipation during operation while reducing overall energy usage. 4. Compatibility: The driver supports both unipolar and bipolar stepper motors with a wide voltage range of 10V to 50V and can be used in various microcontroller platforms like Arduino, PIC, etc., via different interfaces (UART, SPI, I2C). 5. Protection: The driver includes several protection features such as over-current, over-voltage, short circuit, and thermal shutdown to ensure safe operation for the motor and other components. 6. Drive Modes: The A396
| Specification | Details |
|---|---|
| Part Number | A3967 |
| Package | TSSOP-20 |
| Supply Voltage | 4.5V to 45V (up to 60V with derating) |
| Current Rating | Up to 2A per phase |
| Driver Type | Microstepping Bipolar Stepper Motor |
| Stepping Mode | 1/16th step 1/8th step Full Step |
| Microstep Resolution | 256 (for 1/16th stepping) |
| Current Limiting | Programmable via REXT pin |
| Overcurrent Protection | Thermal shutdown with reset |
| Thermal Shutdown Temperature | 140°C |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -65°C to +150°C |
| Package Pins | 20 (TSSOP) |
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