Spektrum Firma 45A Smart Lite 2S Brushless ESC IC5 SPMX-1106
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The Spektrum Firma 45 Smart Lite is a waterproof 45A sensorless brushless RC ESC designed for 2S LiPo surface applications including the Losi 22S Sprint, combining compact dimensions with Smart telemetry, an adjustable BEC and built-in electronic protection.
Features
- 45A Brushless ESC: Provides up to 45A continuous current and 180A maximum burst current
- 2S LiPo Operation: Designed for RC surface applications running a 2S LiPo battery
- Smart Lite Telemetry: Supports real-time telemetry including battery voltage, ESC temperature and throttle percentage with compatible Spektrum Smart equipment
- 32-Bit ARM M4 Processor: Provides high-resolution signal input and precise motor output
- Waterproof Design: Built for RC use across a range of weather and surface conditions
- Adjustable BEC: Selectable 6V or 7.4V output rated at 4A
- IC5 Battery Connector: High-current IC5 connection with backwards compatibility for basic operation with compatible EC5 connectors
- 4mm Motor Connectors: Pre-fitted 4mm bullet output connectors
- Multiple Programming Options: Supports button programming, the compatible Smart ESC Programming Box and SmartLink programming
- Electronic Protection: Includes over-current, automatic LiPo low-voltage cutoff, thermal and failsafe protection
- Compact Construction: Measures just 34 x 24 x 14mm for installation in compatible RC chassis
- Aluminium Heat Sink: Assists with ESC heat management during operation
- Ready to Install: Supplied with fitted connectors so soldering is not required for standard compatible installations
Specifications
- Brand: Spektrum
- Product Type: Brushless RC electronic speed controller
- Series: Firma Smart Lite
- Motor Type: Brushless
- Sensored: No
- Input Voltage: 2S LiPo
- Maximum Continuous Current: 45A
- Maximum Burst Current: 180A
- BEC Voltage: 6V or 7.4V
- BEC Current: 4A
- Battery Connector: IC5
- Motor Connectors: 4mm bullet
- Technology: Smart Lite
- Processor: 32-bit ARM M4
- Waterproof: Yes
- Programmable Low-Voltage Cutoff: Yes
- Overload Protection: Yes
- Dimensions: 34 x 24 x 14mm
- Manufacturer Part Number: SPMX-1106
Includes
- 1 x Spektrum Firma 45 Smart Lite Brushless ESC
- 1 x Spektrum Smart sticker sheet
FAQ
What battery does the Spektrum Firma 45 Smart Lite ESC support? The SPMX-1106 is specified for 2S LiPo operation. The RC vehicle, motor and electronics must also be compatible with the selected 2S power system.
Is the Spektrum Firma 45 Smart Lite ESC sensored? No. The SPMX-1106 is a sensorless brushless electronic speed controller.
Does the SPMX-1106 provide Spektrum Smart telemetry? Yes. With compatible Spektrum Smart equipment, the Firma 45 Smart Lite ESC supports one-wire real-time telemetry including battery voltage, ESC temperature and throttle percentage.
Is the Spektrum Firma 45 ESC suitable for the Losi 22S Sprint? Yes. Spektrum specifically identifies the Firma 45 Smart Lite ESC as suitable for the Losi 22S Sprint running a 2S LiPo setup.
Important Notes
- Designed for 2S LiPo operation
- Sensorless brushless ESC
- Surface receiver, transmitter and LiPo battery are required separately
- Full Smart telemetry functionality requires compatible Spektrum Smart equipment
- EC5 connectors are backwards compatible with the IC5 connection for basic operation, but Smart battery data requires compatible Smart equipment
- Confirm motor, battery, receiver and vehicle compatibility before installation