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48v 75a dual channel brushless dc motor speed controller for AGV Tracked car Medical robor
Model:KYDBL4875-2E
KYDBL4875-2E is an intelligent brushless DC dual-motor controller. The brushless dual-motor driver can control two brushless DC motors at the same time. It adopts 32-bit high-performance MCU and advanced movement processing algorithm to realize internal electric differential function. The controller uses the Hall signal inside the motor as the rotor position feedback and works with the external incremental encoder (1000—2500 line) signal to control the movement of motor, realizing speed open-loop, close-loop modes, position mode and torque mode. It has two-way independent driver chip, two-way encoder processing chip, two-way Hall signal processing chip. Meanwhile, it has multiple failure alarm functions. It has two working modes: independent mode and mixed mode.
1.Independent mode: It can realize fully independent control of two-way motor, and the control signal part is controlled by two-way input signals. Two-way brushless DC motor can control the speed and direction of motor, separately.
2.Mixed mode: It can realize the synchronous control (forward, backward, left and right rotation) of two brushless motors.
The control signal has as many as 8 modes (wireless remote control, rocker, potentiometer, analog quantity, frequency, pulse width, RS232, CAN bus).
Power voltage | 10-55VDC |
At the ambient temperature 25℃, continuous working current | 40A |
transient current up to | 75A 30s |
Out+5VDC power (It can power up the encoder) | 5V DC 20mA |
Analog input range | 0-- 5VDC |
| Working mode | Speed mode, torque mode, position mode |
| Working temperature | -20℃-- +60℃ |
| Ambient humidity | Relative humidity≤80RH |
Impulse input range | 500Hz—5000Hz |
Dimension | 190*130*77mm |
Weight | 800g |

The products are widely used in AGV,Tracked car,electric rail car, electric sightseeing car and so on.

Jinan Keya Electronic science and technology Co. has been in research and development, manufacturing and sales of DC motors for more than 10 years with more than 100 employers and a lot of advanced eqipment.


We pay high attention to the Motor packaging, adopt polyfoam packing and then fill them to carbon to protect the controller, this series of complete packing enable you receive good products.

Q: What are your main products?
A: We produce various kinds of dc motor & controller.
A: Yes. R&D is our core competitiveness, continuous innovation is just what we are seeking for all the time. Some of our engineers have more than 20years experience in the industry, and we also cooperate with colleges, scientific research institutions and large enterprises.
Q: Is there a MOQ for your motors?
A: There is no MOQ requirement. But the more the better.
Q: How do you ensure the product quality?
A: We have strict test system in every link of material selection, production and final product, packing according to ISO9001 management.
A:Generally it is 10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

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