Pololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A

PololuSKU: RB-Pol-1721
Manufacturer #: 5357

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Description

  • Pololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A
  • Supports wide 5-48V voltage range
  • Enables code-free sensorless control
  • Offers versatile I²C configurability
  • Ensures efficient field-oriented control
  • Provides robust short circuit protection

The Pololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A is a sophisticated device designed for the sensorless control of brushless DC motors. It is built around Allegro’s A89301 BLDC driver and operates within a broad voltage range from 5 V to 48 V, with an absolute maximum of 50 V. This controller is capable of delivering up to 11 A of continuous motor current without the need for additional cooling mechanisms such as heat sinks or forced air.

The controller supports four distinct control interfaces: analog voltage, PWM duty cycle, pulse frequency, and I²C. The I²C interface is particularly versatile, allowing for extensive configuration of the A89301 settings. A dedicated configuration utility for Windows is available to facilitate setup when used with a compatible USB-to-I²C adapter. The controller employs a field-oriented control algorithm that utilizes sinusoidal waveforms for efficient motor operation.

This version of the product is shipped without terminal blocks or 0.1″ headers, and it includes a 4-pin JST SH-style connector for I²C communication. The device offers multiple startup options and can operate in either open-loop or closed-loop speed control modes. It also features configurable lock detection, under-voltage lockout, short circuit protection, and reverse-voltage protection up to 40 V.

Note: Ensure proper handling to avoid electrical hazards and adhere to safety guidelines during installation and operation.

  • 1x 4-pin JST SH-style I²C connector
  • 38.1 x 25.4 mm (1.5 x 1.0")

A89301-Based Sensorless Brushless Motor Controller, 50V, 11A - Dimensions

  • Wide operating voltage range from 5 V to 48 V (50 V absolute maximum)
  • Fully integrated, code-free sensorless control
  • Field-oriented control (FOC) algorithm with sinusoidal waveforms
  • High power: continuously delivers up to 11 A phase currents
  • Adjustable current limit
  • Highly configurable via I²C interface
  • JST SH-style 4-pin connector
  • Configuration software compatible with Windows
  • Settings can be saved to non-volatile memory (internal EEPROM)
  • Four control options: analog voltage, PWM, clock input, and I²C
  • Open-loop or closed-loop speed control
  • Multiple startup options
  • Configurable lock (stall) detection
  • Under-voltage lockout, short circuit protection, and reverse-voltage protection (up to 40 V)

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WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.

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