B12 Series Motor Controller
Compact high-performance FOC controller for electric two-wheelers and light vehicles
Overview
The B12 Series is a compact, non-isolated sinusoidal motor controller built on our proprietary FOC algorithm. It delivers up to 97% efficiency with smooth torque control for PMSM, SynRM and induction motors, in an IP66-rated housing suitable for harsh outdoor environments.
- FOC / MTPA / SVPWM with flux weakening
- Wide input voltage range 36–88 V
- IP66 protection rating
- Built-in 6-axis sensor optional
- Built-in Bluetooth optional
- CAN 2.0 / 1-Wire communication
Technical Specifications
| Model | DEMCB12xx |
| Rated Input Voltage | 36–72 V DC |
| Input Voltage Range | 36–88 V DC |
| Rated Input Current | 30 A DC |
| Maximum Input Current | 60 A DC |
| Rated Output Current | 30 Arms (30 min) |
| Maximum Output Current | 240 Apk |
| Motor Type | PMSM / SynRM / Induction Motor |
| Control Method | FOC / MTPA / SVPWM / Flux Weakening |
| Sensor Type | SinCos / ABZ (+PWM) / HALL ABC |
| Efficiency | 97% |
| Communication | CAN 2.0 / 1-Wire |
| Cooling | Forced Air Cooling |
| Protection Rating | IP66 |
| Protection | OverCurrent / OverVoltage / OverTemperature / Stall |
| Operating Temperature | −20 – +65 ℃ |
| Dimensions | 180 × 96 × 51 mm |
| Weight | < 1.2 kg |
Frequently Asked Questions
What is the rated and peak output current of this controller?
It provides 30 Arms rated output current for 30 minutes and up to 240 Apk maximum output current.
What is the input voltage range supported?
It supports a wide input voltage range from 36V to 88V DC, with 36~72V rated input voltage for 36V, 48V and 72V battery platforms.
What is the maximum efficiency of this controller?
The controller achieves an efficiency of up to 97% using advanced FOC algorithms.
Is the controller suitable for outdoor use?
Yes, it features an IP66 protection rating, making it suitable for harsh and outdoor environments.
Which motor sensors and communication interfaces are supported?
It supports Sincos, Abz (+Pwm) or Hall ABC motor sensors (select one) and CAN 2.0 / 1-Wire communication.
Can the software be customized?
Yes, the software can be customized to meet the different requirements of individual customers.
Downloads
Need a custom configuration or bulk pricing? Our engineers respond within 24 hours.