Intelligent Protective Lithium Battery Module with SoC Report (BM 2)
by Pumpkin Inc
The BM 2 uses eight high current 18650 size lithium-ion cells and is compatible with a variety of power systems. Available in 2S4P (5.2-8.4V), 3S2P (7.8-12.6V), and 4S2P (10.4-16.8V) configurations, it can supply 15A to the load from two identical connectors. Depending on the battery configuration and chemistry, it can supply up to 160W of power and store up to 100Wh of energy. Charging is also very fast, and all configurations support a minimum of 5A during charging. The BM 2 utilizes the Coulomb Count Battery Supervisor to always accurately report the current state of charge (SoC) of the battery. This dedicated supervisor also provides first-level OV, UV, OC, and OT protection to prevent damage to batteries and electronics. PumpkinSup MCU ™ processes telecommands and telemetry via SCPI over I2C, provides cell balancing, and adds Intelligent Charge Override (ICO ™), automatic fault clearing, programmable battery heater control, deep sleep mode, and more. Provides high level functionality. All telemetry is time stamped and fully formatted in engineering units. There is no need to apply calibration constants or conversion factors to BM2 telemetry. The BM 2 is optimized for heat and vibration through a high-strength frame. It can be mounted directly on the pumpkin SUPERNOVA ™ structure and can be adapted to 1U / 1.5U / 2U / 3U CubeSat class structures. A 6-signal, 14-wire interface harness allows you to connect to a standard 104-pin CubeSat bus via a suitable adapter. The BM2 can be equipped with alternative battery chemistry and harness. Please contact us for the application.