Sunrise Firefly 32 BIT LITE is perhaps the smallest and lightest 32bit ESC that uses STM32F051 48MHZ ARM 32-bit micro-processor and has 470uF capacity. It comes with following features:

Supports Dshot
With ESC passthrough, motor reverse, anti-desync
No external electrolytic capacitor.
Use STM32F051 48MHZ ARM 32-bit micro-processor and has 470uF capacity. Accurate speed control, high signal acquisition precision
Fast throttle response, excellent linear.
Automatic detect if it is the ordinary remote control signal (PWM) 50-500Hz , One-Shot and Multi-shot signals.
Has Synchronous rectification technology to increase the working efficiency of ESC.
Regenerative braking, active brake made the motor deceleration response increased significantly.
PWM output frequency is 24 KHz.
Throttle resolution is about 1480 steps.
Ordinary remote control signal throttle limits 900us~2400us;One-Shot125, but the remote control signal until 100us~300us
Max. RPM: 450,000rolls (2 poles), 150,000rolls (6 poles), 75,000rolls (12 poles)

· Model:	Firefly 22A
· Weight:	8.5g
· Size:	27*14mm
· Constant Current:	22A
· Max Current:	26A
· BEC:	NO
· Input:	2 to 4 Li-XX

· Model:	Firefly 33A
· Weight:	9.0g
· Size:	27*15mm
· Constant Current:	33A
· Max Current:	36A
· BEC:	NO
· Input:	2 to 4 Li-XX

Sunrise Model

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