{"product_id":"b5665-brushless-motor-12-24v-pwm-speed-control-cw-ccw-fg-signal","title":"B5665 Brushless Motor 12–24V PWM CW\/CCW FG Signal Built-In Driver","description":"\n\u003ch2\u003eB5665 Inner Rotor Brushless Motor with Built-In Driver – 12–24V PWM Speed Control\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eB5665 Brushless Motor\u003c\/strong\u003e is a precision-engineered inner rotor motor featuring a fully integrated driver board, making it a versatile and compact solution for a wide range of DC-powered automation, robotics, and DIY projects. Operating across a broad \u003cstrong\u003e8V–24V\u003c\/strong\u003e voltage range, it delivers smooth, quiet performance and precise electronic speed control right out of the box — no external driver required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Driver Board:\u003c\/strong\u003e Fully integrated driver eliminates the need for a separate motor controller, simplifying your wiring and design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Rotor Design:\u003c\/strong\u003e Rare earth medium-strong magnetic long rotor for high torque efficiency and responsive speed transitions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM Speed Regulation:\u003c\/strong\u003e Precise pulse-width modulation speed control lets you dial in the exact RPM you need.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBidirectional Rotation:\u003c\/strong\u003e Supports both clockwise (CW) and counter-clockwise (CCW) rotation switching for maximum application flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFG Signal Feedback:\u003c\/strong\u003e Frequency generator (FG) signal output allows real-time speed monitoring and closed-loop control integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmergency Stop Function:\u003c\/strong\u003e Built-in emergency stop capability for added safety in critical applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Ball Bearings:\u003c\/strong\u003e Front and rear imported ball bearings ensure low-noise, long-lasting, stable operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePure Copper Wire Coil:\u003c\/strong\u003e 0.8mm diameter pure copper winding for superior conductivity and durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Compatible with 8V–24V DC regulated power supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB5665\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStructure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInner rotor brushless motor, rare earth medium-strong magnetic long rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in integrated driver board\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Coil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8mm diameter pure copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront \u0026amp; rear double imported ball bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e560g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePWM speed regulation, CW\/CCW switching, emergency stop, FG speed signal feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNo-Load Performance Data\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eSpeed (RPM)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e8V\u003c\/td\u003e\n\u003ctd\u003e0.2A\u003c\/td\u003e\n\u003ctd\u003e1,550 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003ctd\u003e0.25A\u003c\/td\u003e\n\u003ctd\u003e2,300 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003ctd\u003e0.32A\u003c\/td\u003e\n\u003ctd\u003e4,650 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e⚠️ Important Usage Warnings\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo NOT reverse polarity.\u003c\/strong\u003e Reversing the positive and negative power supply connections will permanently damage the motor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse a regulated DC power supply.\u003c\/strong\u003e A simple transformer rectifier is not suitable — a stable regulated DC supply is required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFollow the wiring diagram.\u003c\/strong\u003e Strictly adhere to the provided diagram markings when connecting wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCondition Note\u003c\/h3\u003e\n\u003cp\u003eThere may be slight surface scratches or minor cosmetic marks on the motor casing. All units are fully function-tested and confirmed to be in perfect working order before shipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× B5665 Brushless Motor (with built-in driver)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting conditions and monitor calibration, actual product color may vary slightly from images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1mm–1cm tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electrical motor safety standards and best practices, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the B5665 brushless motor require a separate motor driver or controller?\u003c\/h4\u003e\n\u003cp\u003eA: No. The B5665 features a fully built-in integrated driver board, so no external driver or controller is needed. You can connect it directly to a regulated DC power supply (8V–24V) and control speed via a PWM signal.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of power supply is compatible with the B5665 brushless motor?\u003c\/h4\u003e\n\u003cp\u003eA: The B5665 requires a \u003cstrong\u003eregulated DC power supply\u003c\/strong\u003e in the 8V–24V range. A simple transformer rectifier is not recommended, as unregulated power can cause inconsistent performance or damage the built-in driver board.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the B5665 motor run in both clockwise and counter-clockwise directions?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The motor supports both CW (clockwise) and CCW (counter-clockwise) rotation via the built-in control functions, making it ideal for applications that require bidirectional operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the FG signal feedback used for on this motor?\u003c\/h4\u003e\n\u003cp\u003eA: The FG (Frequency Generator) signal feedback outputs a pulse signal proportional to the motor's rotational speed. This allows you to monitor real-time RPM and integrate the motor into closed-loop speed control systems for greater precision.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are there any cosmetic imperfections on the motor?\u003c\/h4\u003e\n\u003cp\u003eA: Some units may have minor surface scratches or small cosmetic marks from handling or storage. However, every motor is individually tested to confirm all functions — including PWM control, CW\/CCW switching, FG feedback, and emergency stop — are fully operational before shipping.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the B5665 brushless motor require a separate motor driver or controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The B5665 features a fully built-in integrated driver board, so no external driver or controller is needed. You can connect it directly to a regulated DC power supply (8V–24V) and control speed via a PWM signal.\"}}, {\"@type\": \"Question\", \"name\": \"What type of power supply is compatible with the B5665 brushless motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The B5665 requires a regulated DC power supply in the 8V–24V range. A simple transformer rectifier is not recommended, as unregulated power can cause inconsistent performance or damage the built-in driver board.\"}}, {\"@type\": \"Question\", \"name\": \"Can the B5665 motor run in both clockwise and counter-clockwise directions?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The motor supports both CW (clockwise) and CCW (counter-clockwise) rotation via the built-in control functions, making it ideal for applications that require bidirectional operation.\"}}, {\"@type\": \"Question\", \"name\": \"What is the FG signal feedback used for on this motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The FG (Frequency Generator) signal feedback outputs a pulse signal proportional to the motor's rotational speed. 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