Product overview
The CKESC Apex 150A 24S from Nanchang ChangKong Technology Co., Ltd is a brushless electronic speed controller for UAV propulsion. Its 140.4 × 69.6 × 23.5mm dimensions and 365g weight, including wiring, define its space and mass requirements for integration. Shielded signal wiring and optically isolated signal input and output interfaces reduce interference. The controller accepts a 12~24S supply, has no BEC, and provides serial telemetry covering supply voltage, motor speed, current, ESC temperature and debugging data.
PWM is the standard control interface, with PWM+CAN and data storage offered as an option. Default firmware supports timing adjustment; fixed firmware is optional, and maximum-power mode can be enabled. Continuous operating current is 70A with specified heat dissipation, while the 150A maximum applies for three seconds. Standard ingress protection is IP54, with customized IP67 available. Low-voltage protection is disabled by default, and a motor stall at high throttle may damage the ESC despite its restart protection.
Specifications
| Specification | Value & conditions |
|---|---|
| Model | CKESC Apex 150A 24S |
| Rated specification | 150A 12~24S |
| Supply voltage range | 12~24S |
| Dimensions | 140.4 × 69.6 × 23.5mm |
| Weight | 365gIncluding wiring. |
| Continuous operating current | 70AWith specified heat dissipation. |
| Maximum operating current | 150AFor 3 seconds. |
| Standby current consumption | ≤10mAAt 100V. |
| Throttle pulse range | 1000~2000us |
| Throttle refresh rate | 50~500HzRecommended refresh rate: 100~400Hz. |
| BEC | None |
| Input signal level | 3.3~5V |
| Temperature protection threshold | 115°C |
| Communication | PWM; optional PWM+CAN with data storagePWM+CAN with data storage is optional. |
| Operating ambient temperature | -20~+65°C |
| Throttle response time | 400ms |
| Ingress protection | IP54IP67 is available by customization. |
| Low-voltage protection | Optional activation of low-voltage protectionDisabled by default; activation available by customization. |
| High-voltage protection | Prevents motor startupWhen supply voltage exceeds the permitted value. |
| Startup protection | Limits starting current and automatically retries startupFollowing an unsuccessful motor start. |
| Stall protection | Attempts to restart the motorIf the motor stalls during operation; a stall at high throttle may damage the ESC. |
| Overtemperature protection | Gradually reduces maximum output power, potentially down to 40% of full-throttle powerAbove 115°C; original power is restored after temperature falls. |
| Overcurrent protection | Limits peak current to the limit value |
| Overload protection | Limits maximum throttle to protect the propulsion systemWhen excessive motor load is detected. |
| Signal-loss protection | Reduces output power, bringing throttle below 50% within 1~2 seconds, then slowly reducing throttle until shutdownAfter signal has been lost for 200ms. |
| Firmware configuration | Timing-adjustment firmware; optional fixed firmware; maximum-power mode can be enabledTiming-adjustment firmware is supplied by default; fixed firmware is optional. |
| Real-time telemetry | Supply voltage, motor speed, current, ESC temperature and debugging dataVia serial output. |
| Signal wiring | Shielded signal wiring to reduce interference |
| Signal interface isolation | Optically isolated signal input and output interfaces |
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