24V Coreless Brushless DC Motor Ø16×36 mm High Torque 14,276 RPM BLDC Motor | BDCL1636 BODENMOTION

Overview of BDCL1636 Coreless Brushless DC Motor

The BDCL1636 coreless brushless DC motor is built for applications that need more torque and power from a compact 16 mm motor platform. Its Ø16 × 36 mm body combines a 29 g structure with rated torque up to 6.57 mN·m, giving OEM designers additional performance margin for compact actuators, robotic mechanisms, and higher-load embedded motion systems.
Four winding versions cover 9V, 12V, 18V, and 24V, with rated speeds remaining between 14,276 and 15,355 rpm. The platform can be configured with Hall-sensor or sensorless wiring, while planetary gearbox and magnetoelectric encoder options extend the motor into applications requiring lower output speed, additional torque, or feedback capability.

Key Features of BDCL1636 High Torque BLDC Motor

• Rated Torque up to 6.57 mN·m – Provides a stronger torque level than lower-power 16 mm brushless platforms for compact mechanisms with higher load demand.
• 7–18W Power Class – Extends the usable output range of the Ø16 mm platform for more demanding OEM motion applications.
• 14,000+ rpm Rated Speed – All four winding versions maintain rated speeds above 14,000 rpm, supporting applications that need both speed and torque.
• Fast Mechanical Response – Mechanical time constant remains between 2.58 and 2.73 ms, supporting rapid acceleration and responsive motion control.
• Low Rotor Inertia – Rotor inertia of 0.50 g·cm² helps the motor respond quickly to changing speed and load commands.
• Hall-Sensored or Sensorless Configuration – Allows the control architecture to be matched to startup, commutation, and wiring requirements.
• Ball or Sleeve Bearing Options – Bearing configuration can be selected according to load, noise, service requirements, and integration priorities.
• Optional Gearbox and Encoder – Planetary gearbox and magnetoelectric encoder options support geared actuation and feedback-enabled motion systems.

Technical Specifications of BDCL1636 Coreless Brushless DC Motor

The four models share the same Ø16 × 36 mm mechanical platform but use different winding configurations. Voltage, current, torque constant, target speed, and driver capability should therefore be evaluated together when selecting the final version.

Motor Model	Unit	BDCL1636-01	BDCL1636-02	BDCL1636-03	BDCL1636-04
At Nominal
Nominal Voltage	V/DC	9	12	18	24
Nominal Speed	rpm	15,355	14,760	15,258	14,276
Nominal Current	A	1.51	1.19	0.71	0.56
Nominal Torque	mN·m	6.39	6.57	5.38	5.90
Free Load
No-load Speed	rpm	18,500	18,000	17,950	17,200
No-load Current	mA	180	135	130	100
At Max. Efficiency
Maximum Efficiency	%	72.2	72.2	67.2	65.8
Speed	rpm	16,095	15,660	15,168	14,448
Current	A	1.197	0.897	0.730	0.532
Torque	mN·m	4.60	4.74	5.56	5.55
At Max. Output Power
Maximum Output Power	W	17.2	17.2	16.8	15.6
Speed	rpm	9,250	9,000	8,975	8,600
Current	A	4.1	3.1	2.1	1.5
Torque	mN·m	17.80	18.25	17.93	17.35
At Stall
Stall Current	A	8.00	6.00	4.00	2.80
Stall Torque	mN·m	35.50	36.50	35.85	34.69
Motor Constants
Terminal Resistance	Ω	1.13	2.00	4.50	8.57
Terminal Inductance	mH	0.070	0.125	0.282	0.265
Torque Constant	mN·m/A	4.54	6.22	9.26	12.85
Speed Constant	rpm/V	2,056	1,500	997	717
Speed/Torque Constant	rpm/mN·m	521.0	493.2	500.6	495.8
Mechanical Time Constant	ms	2.73	2.58	2.62	2.60
Rotor Inertia	g·cm²	0.50	0.50	0.50	0.50
Number of Pole Pairs	—	1	1	1	1
Number of Phases	—	3	3	3	3
Weight	g	29	29	29	29
Typical Noise Level	dB	≤50	≤50	≤50	≤50

Not sure how to interpret model differences? See the model code breakdown below ↓

Motor Model Number Breakdown

Mechanical Design & Installation Notes for BDCL1636 High Power Brushless Motor

The combination of higher torque and relatively low rotor inertia makes the BDCL1636 suitable for dynamic mechanisms, but mechanical alignment, driver sizing, and bearing loading remain important during integration.

Shaft Load Limits
The sintered metal bearing system supports a maximum dynamic axial load of 0.8 N and a maximum radial load of 8 N, measured 5 mm from the flange.

Bearing Configuration
Ball-bearing and sleeve-bearing options are available. The preferred arrangement depends on radial loading, rotational stability, acoustic requirements, and expected operating cycle.

Mechanical Clearance
Axial play is specified at 0.05–0.15 mm, while radial play is limited to 0.015 mm. Coupling and gearbox alignment should be controlled to avoid unnecessary bearing stress.

Press-Fit Protection
Maximum static press-fit force is 10 N. Installation force should be applied through the correct motor structure rather than transferred through the output shaft.

Driver Current Margin
Nominal current ranges from 0.56 to 1.51 A, while stall current reaches 2.8–8.0 A depending on the winding. The BLDC driver should therefore provide suitable acceleration current, current limiting, and protection.

Thermal Environment
Ambient temperature is specified from −20°C to +80°C, relative humidity below 90% RH at 25°C, and maximum rotor temperature at 85°C.

OEM Customization Options for BDCL1636 Small BLDC Motor

The BDCL1636 can be configured according to the power platform, controller architecture, transmission requirements, and feedback needs of the OEM system.

Customization Item	Available Options / Description
Winding Version	9V, 12V, 18V, or 24V configuration
Feedback Configuration	Hall-sensored or sensorless motor arrangement
Bearing Type	Ball bearing or sleeve bearing
Planetary Gearbox	Optional for lower output speed and increased transmitted torque
Encoder Option	Optional magnetoelectric encoder for additional motion feedback
Cable Length	Can be adapted to controller position and equipment layout
Connector Type	Connector format can be reviewed according to the OEM harness
Wire Sequence	Cable, connector, and wire sequence can be customized
Shaft Interface	Shaft requirements can be reviewed according to the driven mechanism
Prototype Configuration	Motor, feedback, bearing, gearbox, and encoder combination can be evaluated before production

Hall-sensored versions use Hall Sensor A, B, and C together with a 3.5–25 VDC VHall supply, while sensorless versions use the three motor phase connections.

Application Fields of BDCL1636 High Torque BLDC Motor

The BDCL1636 is suited to compact systems where a 16 mm motor must deliver more torque and power while retaining fast brushless response.

• Robotic Joint Modules – Provides a compact motor base for lightweight rotary joints and auxiliary axes requiring rapid acceleration.
• Electric Grippers – Supplies torque for repeated opening, closing, and clamping mechanisms when combined with a suitable transmission.
• Compact Industrial Actuators – Drives indexing, adjustment, valve, and linkage mechanisms requiring higher output than lower-power miniature BLDC motors.
• Precision Automation Equipment – Supports dynamic positioning and adjustment modules where low rotor inertia helps improve response.
• Miniature Pump & Airflow Systems – Provides rotary input for compact fluid-handling and air-moving mechanisms requiring moderate-to-high motor power.
• Feedback-Controlled Motion Modules – Can be configured with Hall sensors or an optional magnetoelectric encoder according to the required control architecture.

Final selection should consider the real load inertia, acceleration target, gearbox ratio, current limit, thermal environment, and operating cycle.

Why Choose BODENMOTION for Your Coreless Brushless DC Motor Project

The BDCL1636 sits in a performance range where motor size alone no longer determines whether the application will work. Driver current, load inertia, transmission ratio, feedback method, and thermal conditions all influence how much of the available torque can be used reliably.

• High-Torque Operating-Point Review – Rated torque, startup load, acceleration demand, and transmission losses are evaluated together rather than selecting from stall torque.
• Driver and Current Matching – Nominal, transient, and stall currents are compared with the BLDC controller and power-supply capacity.
• Fast-Response Load Evaluation – Low rotor inertia and mechanical time constant are considered together with the reflected inertia of the driven mechanism.
• Hall vs Sensorless Selection – Startup behavior, low-speed operation, wiring complexity, and controller compatibility can be compared before finalizing the configuration.
• Cost-Effective Alternative to Premium Brands – BODENMOTION provides a configurable coreless brushless platform for OEM teams seeking practical alternatives to premium motor suppliers.
• Prototype Validation Under Real Load – Speed, current, temperature, acceleration, vibration, and control behavior can be evaluated before volume production.

Customer Feedback

Germany | Robotics Equipment Manufacturer
Application: compact auxiliary joint
Feedback: The Ø16 mm motor platform provided the required torque while keeping the joint housing smaller than the previous drive assembly.

Japan | Automation System OEM
Application: high-speed positioning mechanism
Feedback: The low rotor inertia helped the actuator respond quickly during repeated acceleration and deceleration cycles.

United States | Industrial Device Developer
Application: Hall-sensored geared actuator
Feedback: The configurable feedback and gearbox options allowed the motor platform to be adapted to the existing controller and mechanical transmission.

Downloads – Datasheet

[BDCL1636 Coreless Brushless DC Motor Specification PDF]

FAQ – BDCL1636 High Torque Coreless BLDC Motor

Q1: Why does the motor need a driver with more current capacity than the nominal current?

A1: Nominal current describes operation at the rated point, while acceleration or heavy transient loads can require significantly more current. For example, the 24V version is rated at 0.56 A but reaches 2.8 A at stall, so the driver should provide appropriate transient-current margin and protection.

Q2: When is Hall-sensored control more useful than sensorless operation?

A2: Hall feedback can be useful when startup under load or defined rotor-position information is important. Sensorless control reduces wiring and may be suitable when the controller and application can provide reliable startup without additional position sensors.

Q3: Is the 18.25 mN·m maximum-output torque suitable for continuous operation?

A3: Not automatically. The 18.25 mN·m value applies to the 12V winding at its maximum-output test point, where speed falls to 9,000 rpm and current rises to 3.1 A. Continuous suitability should be checked against thermal limits and the actual duty cycle.

Q4: Does BODENMOTION provide volume discounts?

A4: Yes. Volume pricing is available for OEM orders, with the final quotation depending on quantity, customization requirements, and production configuration.

Q5: Is there a shorter 16 mm brushless motor for lower-power applications?

A5: Yes. The BDCL1624 uses a shorter Ø16 × 24 mm body and belongs to the 1–3W power class. It is more suitable when axial space and lower power consumption matter more than the BDCL1636’s higher torque and 7–18W output range.

Contact BODENMOTION – High Torque BLDC Motor Solutions

For robotics, automation, and compact industrial motion systems requiring more torque from a 16 mm coreless brushless platform, BODENMOTION supports selection around the complete motor, driver, feedback, and mechanical system.

What We Can Provide

• 9–24V Winding Selection – Compare voltage, current, speed, and torque according to the available DC power architecture.
• BLDC Driver Matching – Review startup current, transient load, commutation method, and protection settings.
• Dynamic Load Assessment – Evaluate rotor inertia, reflected load inertia, acceleration targets, and transmission requirements.
• Hall and Sensorless Configuration – Match feedback architecture to controller behavior and application requirements.
• Gearbox and Encoder Integration – Add transmission or additional feedback when required by the final actuator.
• OEM Prototype & Production Support – Support sample evaluation, pilot builds, approved configurations, and stable long-term manufacturing.

📧 Email: info@bodenmotion.com
🌐 Website: https://bodenmotion.com