DRV8811
- Pulse Width Modulation (PWM) Microstepping Motor Driver
- Up to 1/8-Step Microstepping Indexer
- Step and Direction Control
- Programmable Mixed Decay, Blanking, and Off-Time
- Up to 1.9-A Current Per Winding
- Low 1.0-Ω (HS+LS) MOSFET RDS(on) (25°C)
- 8-V to 38-V Operating Supply Voltage Range
- Pin-to-Pin Compatible With the DRV8818
- Thermally Enhanced Surface Mount Package
- Protection Features:
- VM Undervoltage Lockout (UVLO)
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
The DRV8811 device provides an integrated stepper motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, as well as microstepping indexer logic to control a stepper motor.
The output driver block consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings.
A simple STEP-and-DIR interface allows easy interfacing to controller circuits. Step mode pins allow for configuration of the motor in full-step, half-step, quarter-step, or eighth-step modes. Decay mode and PWM off-time are programmable.
Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout and overtemperature.
The DRV8811 device is packaged in a PowerPAD™ 28-pin HTSSOP package with thermal pad.
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SLVC404 — DRV8811 Software
| パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
|---|---|---|
| HTSSOP (PWP) | 28 | Ultra Librarian |
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