Overview
The T-Motor AM16A is an ESC designed for fixed wing aircraft use, including indoor and backyard airplanes. It supports 3D/4D flight with a one-key switch; in 4D mode, the ESC can drive the motor in the opposite direction.
Key Features
- BLHeli-S firmware
- 3D/4D one-key switch (press and hold the switch for 10 seconds to cycle through 3D/4D mode)
- Auto detection on throttle signal
- Supports throttle protocols: PWM (1-2ms), Oneshot125 (125-250us), Oneshot42 (41.7-83.3us), Multishot (5-25us)
- Auto-braking: when throttle is pulled down, the motor reacts quickly to slow down
- Single-direction and dual-direction function switching supported
- Aluminium alloy radiator / aluminum heatsink (cooling)
Customer service: support@rcdrone.top (also https://rcdrone.top/).
Specifications
| Model No. | AM 16A 3D/4D |
| Continuous current | 16A |
| Peak current (15s) | 25A |
| BEC | YES |
| Battery (Lipo) | 2-4S |
| Weight | 8.5g |
| Size | 12x24x6.2mm |
| Applications | 120-320g fixed wing |
| ESC label marking | 16A; 2-4S; BEC 3A 5.5V |
| BEC (manual feature line) | Support 4A@5.6V BEC |
| Body dimensions (text) | 24x12mm |
Adjustable Parameters (via BLHeliSuite)
- Startup Power: 0.03 to 1.5
- PWM Frequency: 16KHz to 48KHz
- Max. Acceleration: 0.1%/ms to 25.5%/ms
- Motor rotating direction: CW, CCW, bidirectional CW, bidirectional CCW
- Low voltage protection range: 2.5V to 4.0V / Lipo battery
- Input signal reference: 1000-2000us (for Min. Throttle, Max. Throttle & Center Throttle settings; center throttle is for bidirectional operation only)
- Additional adjustable items shown: Motor Timing, Demag. Compensation, Beep Strength, Warning Tone, Warning Tone Delay, Throttle Calibration, Temperature Protection, Low RPM Power Protection
Startup & Throttle Calibration (manual excerpts)
- Normal startup process: Power on Throttle signal detection Null throttle detection Motors ready (OK).
- Throttle range calibration notes shown: calibration on FC parameter adjustment software is more convenient; skip throttle range calibration when input signal is in Dshot mode.
- Manual notice highlights shown: throttle signal is detected automatically on power-up; throttle calibration is required when connecting a BLDC motor for the first time or after changing RC equipment; timing changes may help if higher RPM is required using the BLHeli-S open source program.
Manuals
- AM LINK Manual.pdf
- AM Series ESC Instruction Manual.pdf
- BLHeli_32 manual ARM Rev32.x.pdf
- BLHeliSuite32History.pdf
Details

The T-Motor AM16A ESC features a one-key switch lead and clearly labeled 2–4S input with a 5.5V/3A BEC for straightforward wiring.

T-Motor AM16A ESC uses BLHeli-S firmware and supports PWM, Oneshot125/42, and Multishot throttle signals, with a 4A@5.6V BEC listed.

T-Motor AM16A ESC supports 2–4S LiPo and is rated for 16A continuous current with 25A peak (15s), with BEC included.

The T-Motor AM16A ESC uses a one-key switch—press and hold for 10 seconds—to cycle between 3D and 4D modes.

The AM16A ESC parameters like startup power and motor timing are configured through BLHeliSuite software.

T-Motor AM16A ESC tuning includes adjustable motor PWM frequency (16–48 kHz) along with demag compensation and max acceleration parameters.

T-Motor AM16A ESC settings include motor rotating direction options plus adjustable beep strength and warning tone behavior.

T-Motor AM16A ESC settings include throttle calibration, min/max/center throttle input options, and adjustable temperature protection modes.

The AM16A ESC manual outlines low-voltage protection settings and the normal startup sequence from power on to motor-ready confirmation.

T-Motor AM16A ESC throttle range calibration follows step-by-step stick movements with beep patterns confirming full and minimum throttle detection.

The included notice covers startup throttle signal detection, calibration guidance, and BLHeli-S timing tips for the T-Motor AM16A ESC.
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