RDDRONE-BMS772 Smart Battery Management for Mobile Robotics reference design User manual
■The RDDRONE-BMS772 is a standalone BMS reference design suitable for mobile robotics such as drones and rovers, supporting 3 to 6 cells batteries. Other portable electronics and equipment, such as scooters, power tools, portable medical devices could also benefit from referencing this design, if higher cell counts are required, this could be redesigned to daisy chain multiple BCC chips or switch to a larger cell count BCC such as MC33771B.
■The device performs ADC conversion on the differential cell voltages and currents. It is capable of accurate battery charge coulomb counting and battery temperature measurements. Additionally, it communicates with a Flight Management Unit (FMU) through UAVCAN and/or an SMBus.
●RDDRONE-BMS772 features
■The RDDRONE-BMS772 integrates the following functions and features:
▲Supports battery from 3s to 6s, with stack voltage ranging from 6.0 V to 26 V
▲Supports ambient temperature range from -20 °C to 60 °C
▲Measures battery stack and cell voltages with an accuracy of ± 5.0 mV. battery charge or discharge current up to 200 A peak and 90 A DC1
▲Active cell balancing during charging
▲Offers a deep sleep mode (for transportation and storage) with low leakage current, as well as an automatic sleep mode with low current consumption on the battery
▲Allows authentication of the battery
▲Allows diagnostics to verify the safe operation of the battery
▲Allows CAN, l2C and NFC communication
▲implements SWD and JTAG debugging interfaces, works with standard J-Link and other debuggers
▲implements DCD-LZ combined debug console interface for use with PX4 DroneCode and HoverGames platforms
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[ Mobile Robotics ][ drones ][ rovers ] |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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12 June 2020 |
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Rev.1 |
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UM11421 |
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1.1 MB |
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