{"product_id":"pololu-a89301-based-sensorless-brushless-motor-controller-50v-11a","title":"Pololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\n\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\n\u003cdiv class=\"rte text--pull\"\u003e\n\u003cul\u003e\n\u003cli\u003ePololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A\u003c\/li\u003e\n\u003cli\u003eSupports wide 5-48V voltage range\u003c\/li\u003e\n\u003cli\u003eEnables code-free sensorless control\u003c\/li\u003e\n\u003cli\u003eOffers versatile I²C configurability\u003c\/li\u003e\n\u003cli\u003eEnsures efficient field-oriented control\u003c\/li\u003e\n\u003cli\u003eProvides robust short circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003ePololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp\u003eNote: Ensure proper handling to avoid electrical hazards and adhere to safety guidelines during installation and operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbutton class=\"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e1x 4-pin JST SH-style I²C connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e38.1 x 25.4 mm (1.5 x 1.0\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"A89301-Based Sensorless Brushless Motor Controller, 50V, 11A - Dimensions\" src=\"https:\/\/cdn.robotshop.com\/media\/p\/pol\/rb-pol-1721\/img\/pololu_a89301_based_sensorless_brushless_motor_con_dims.webp\" style=\"width: 600px;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\n\u003cp\u003e\u003cstrong\u003ePDF Files\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/P\/Pol\/RB-Pol-1721\/pdf\/pololu_a89301_based_sensorless_brushless_motor_con_datasheet.pdf\" target=\"_blank\"\u003ePololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A - Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/P\/Pol\/RB-Pol-1721\/pdf\/pololu_a89301_based_sensorless_brushless_motor_con_evaluation_board_guide.pdf\" target=\"_blank\"\u003ePololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A - Evaluation Board Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eZIP File\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/P\/Pol\/RB-Pol-1721\/zip\/pololu_a89301_based_sensorless_brushless_motor_con_configuration_utility.zip\" target=\"_blank\"\u003ePololu A89301-Based Sensorless Brushless Motor Controller, 50V, 11A - Configuration Utility\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003eWide operating voltage range from 5 V to 48 V (50 V absolute maximum)\u003c\/li\u003e\n\u003cli\u003eFully integrated, code-free sensorless control\u003c\/li\u003e\n\u003cli\u003eField-oriented control (FOC) algorithm with sinusoidal waveforms\u003c\/li\u003e\n\u003cli\u003eHigh power: continuously delivers up to 11 A phase currents\u003c\/li\u003e\n\u003cli\u003eAdjustable current limit\u003c\/li\u003e\n\u003cli\u003eHighly configurable via I²C interface\u003c\/li\u003e\n\u003cli\u003eJST SH-style 4-pin connector\u003c\/li\u003e\n\u003cli\u003eConfiguration software compatible with Windows\u003c\/li\u003e\n\u003cli\u003eSettings can be saved to non-volatile memory (internal EEPROM)\u003c\/li\u003e\n\u003cli\u003eFour control options: analog voltage, PWM, clock input, and I²C\u003c\/li\u003e\n\u003cli\u003eOpen-loop or closed-loop speed control\u003c\/li\u003e\n\u003cli\u003eMultiple startup options\u003c\/li\u003e\n\u003cli\u003eConfigurable lock (stall) detection\u003c\/li\u003e\n\u003cli\u003eUnder-voltage lockout, short circuit protection, and reverse-voltage protection (up to 40 V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":56340393165174,"sku":"RB-Pol-1721","price":20.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/8122\/4630\/files\/pololu_a89301_based_sensorless_brushless_motor_con_1_bc13de22-8d2a-459e-9c91-7097e3407380.webp?v=1758733245","url":"https:\/\/uk.robotshop.com\/products\/pololu-a89301-based-sensorless-brushless-motor-controller-50v-11a","provider":"RobotShop UK","version":"1.0","type":"link"}