Batteries are taken by the E-bike as the auxiliary energy source. Control parts such as motors, controllers, batteries, handlebars, brake handles, and display instrument system are installed on the ordinary bike.

Based on MindMotions MM32SPIN27 microcontroller, the E-bike reference scheme takes MM32SPIN27 as its main control:

- Support dual-mode control, Hall FOC or sensorless FOC

- Support 48V, 64V and 72V system

- Support Hall self-learning and phase self-detection

- Support single resistor current sampling

- Support multi-machine communications such as the communication between the main control and display instrument

- Support OTA update and dynamic control management of Bluetooth

- Support custom-made development

MM32 MCU Model:

MM32SPIN2x Series

MCU Specifications:

- Arm Cortex-M0 core, operating at a frequency of up to 96MHz
- 128KB Flash, 12KB SRAM
- 2.0V - 5.5V wide voltage for power supply
- Embed hardware divider and hardware rooting unit
- Embed four operation amplifiers
- Embed five multi-channel comparators to support high-speed round function
- Embed two advanced timers to support dual-motor control
- Support multi-channel complementary and high-speed PWM output with dead time, operating at a speed rate of up to 192MHz
- MM32SPIN27PF offers seven package types including LQFP64, LQFP48, QFN48, LQFP44, LQFP32, QFN32 and TSSOP20

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