1 Main features
• Complete reference design for electronic speed controller implementing a sensorless FOC algorithm
• Designed for drones with 6S pack of LiPo batteries or systems with an equivalent suitable DC supply
• ESC ready for communication with any standard flight control unit (FCU): PWM or CAN
• Temperature overheating protection
• Nominal operating voltage range: 3S-6S Li-Po battery DC voltage level (11.1 to 22.2 V)
• Maximum RMS output current: 20 Arms
• Output peak current: 30 A
• Battery eliminator circuit (BEC): 5 V/0.5 A for external receiver or FCU
• Example project available on STM32 motor control software development kit (
X-CUBE-MCSDK)
• Supported by ST motor control software SDK and ST motor profiler
• Compact PCB design: 29.1 x 58 mm
• Further target applications:
– motor driving for RC vehicles: electric cars, helicopter, trucks, etc.
– any three-phase BLDC or PMSM motor application
• RoHS and WEEE compliant
1.1 Target application
Motor driving for remote control vehicles, UAV drones, electrical cars and boats, etc.
Figure 2. STEVAL-ESC001V1 target applications
UM2197
Main features
UM2197 - Rev 3
page 2/25
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