Product overview
The CKESC ROCK 200A 18S from Nanchang ChangKong Technology Co., Ltd controls motors in multirotor UAV propulsion systems. Its 112 × 56 × 37 mm body weighs 349 g including wiring. Connections comprise 150 mm red/black 10 AWG silicone power leads, 100 mm black 10 AWG silicone motor leads, a 550 mm gray UL1533 24 AWG signal wire and an 80 mm PVC data feedback cable. PWM control accepts 3.3–5 V signals. Serial telemetry reports supply voltage, motor speed, current, ESC temperature and debugging data; no BEC is included.
The controller supports 6–18S supplies, with 130 A continuous operation requiring specified heat dissipation and a 200 A maximum lasting three seconds. Its operating ambient range is -20 to +65 °C. Ingress protection is IP54, with IP67 available through customization. Low-voltage protection is disabled by default and can be enabled through customization. Above 120 °C, maximum output power gradually falls, potentially to 40% of full-throttle power, then returns to its original level after cooling. A stall during normal operation prompts a restart attempt, but a stall at high throttle may damage the ESC.
After 200 ms of signal loss, the controller progressively reduces output power, rapidly lowers throttle below 50% within 1–2 seconds, then slowly reduces throttle until shutdown. High-voltage protection prevents startup when supply voltage exceeds the permitted value. Failed starts trigger current limiting and automatic retries; overcurrent protection limits peak current, while excessive motor load prompts a maximum-throttle limit. The throttle pulse range is 1000–2000 µs, response time is 300 ms, and refresh rate is 50–500 Hz, with 100–400 Hz recommended. Standby consumption is ≤10 mA at 80 V.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Nanchang ChangKong Technology Co., Ltd — CKESC ROCK 200A 18S multirotor UAV electronic speed controller |
| Specification designation | 200A 6~18S |
| Supply range | 6–18S |
| Dimensions | 112 × 56 × 37 mm |
| Weight | 349 gIncluding wiring. |
| Continuous operating current | 130 AWith specified heat dissipation. |
| Maximum operating current | 200 AFor 3 seconds. |
| Standby consumption | ≤10 mAAt 80 V. |
| Throttle pulse range | 1000–2000 µs |
| Throttle response time | 300 ms |
| Ingress protection | IP54; customizable IP67IP54 standard; IP67 available through customization. |
| Power leads | Silicone wire, red/black, 10 AWG, 150 mm |
| Three-phase motor leads | Silicone wire, black, 10 AWG, 100 mm |
| Signal wire | UL1533, 24 AWG, gray, 550 mm |
| Throttle refresh rate | 50–500 Hz100–400 Hz recommended. |
| Data feedback cable | PVC ribbon cable, 30-core, black/red/white, 80 mm |
| BEC | None |
| Input signal level | 3.3–5 V |
| Temperature protection threshold | 120 °C |
| Control interface | PWM |
| Operating ambient temperature | -20 to +65 °C |
| Low-voltage protection | Disabled by default; can be enabled through customization.Disabled by default; enabling requires customization. |
| High-voltage protection | Prevents motor startup when supply voltage exceeds the permitted value. |
| Startup protection | Limits startup current and automatically retries if startup is unsuccessful. |
| Stall protection and limitation | Attempts to restart after a stall during normal operation, generally caused by external force. A stall at high throttle may damage the ESC. |
| Overtemperature protection | Gradually reduces maximum output power, potentially down to 40% of full-throttle power; restores original power after the temperature falls.Temperature exceeds 120 °C. |
| Overcurrent protection | Restricts peak current to prevent it from exceeding the limit. |
| Overload protection | Limits maximum throttle to protect the propulsion system when excessive motor load is detected. |
| Signal-loss protection | Progressively reduces output power, rapidly lowers throttle below 50% within 1–2 seconds, then slowly reduces throttle until shutdown.Control signal has been lost for 200 ms. |
| Real-time serial telemetry | Serial output provides real-time supply voltage, motor speed, current, ESC temperature and debugging data. |
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