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Matek CAN-L4-BM Digital Power Sensor

Price:1 490 uah with VATPrice in USD:32.80

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Brand: MatekSKU 18692

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Description

Matek CAN-L4-BM digital power sensor allows for effective monitoring of FPV drone power consumption by measuring parameters such as voltage, current, and power in real time. It is based on a high-precision 85-volt 16-bit TI INA239 controller with an SPI interface and an STM32L431 processor, which guarantee excellent performance and quality. A typical path resistance of 200 μΩ minimizes energy loss and, combined with the device’s low power consumption of 10 mA, ensures maximum energy efficiency during operation. It supports voltage measurement in the 0–85 V range with an accuracy of ±0.1%, as well as continuous current measurement up to 150 A and peak current measurement up to 204.8 A with an accuracy of ±2%. The built-in CAN interface with the DroneCAN protocol allows for easy data transmission to the flight controller without the need for additional calibration, ensuring fast and accurate data transfer and simple integration. This device is ideal for use during long flights and in scenarios where high optimization and careful control of drone power are essential.

Features

• Built around the 85-volt 16-bit TI INA239 controller and the STM32L431 processor
• A typical trace resistance of 200 μΩ ensures minimal power loss
• Low power consumption of 10 mA at an input voltage of 4.5–5.5 V
• Measures voltage in the 0–85V range, continuous current of 150A, and peak current of 204.8A with excellent accuracy
• CAN interface with DroneCAN protocol and ArduPilot AP_Periph MatekL431-BattMon firmware
• Compact size and light weight for easy installation in various systems

Specifications

• MCU: STM32L431xC, 256 KB Flash
• Battery voltage measurement range: 0–85V
• Current measurement range: 0–204.8 A
• Load current on the current-measuring resistor: 150 A (continuous), 204.8 A (peak)
• Voltage accuracy: ±0.1%
• Current accuracy: ±2%
• Interfaces: CAN (DroneCAN protocol), UART2 (backup, DFU), ST debug (SWCLK & SWDIO)
• LED indicators: blue (fast flashing—loading, slow flashing—operating) and red (3.3V indicator)
• Power supply: 4.5–5.5V (5V pad/pin)
• Current consumption: 10 mA
• ArduPilot firmware: MatekL431-BattMon
• Firmware update: DroneCAN GUI Tool
• Operating temperature: -40°C to 85°C
• Board dimensions: 30 × 22 × 3 mm
• Weight: 4 g

Package

• 1 x Matek CAN-L4-BM digital power sensor
• 1 x JST-GH-4P to JST-GH-4P silicone cable, 20 cm

Photos