MAXKGO BMS HV Master Board 400V Compatible with the ENNOID-BMS-TOOL Battery Management System| MKBMS

Sale price$320.00



MKBMS is based on the modular BMS of LTC68XX and STM32 MCU, and is connected to one or more slave boards and integrated integrated boards of different sizes through the ISOSPI interface. The modular BMS can be configured for various applications with battery voltages within 400V.

MKBMS is developed based on the open source materials of DieBieMS and ENNOID BMS. Currently MKBMS is compatible with ENNOID firmware. Here, a special thanks to the developers of open source BMS materials.

MKBMS HV Master Mini Board Features:

  • With charger voltage measurement, humidity sensor, isolated on-board 5V power supply for isolating CAN bus interface and USB Type-C
  • 100V to 400V operation
  • Voltages measurements for load & battery pack
  • Bi-directional current monitoring (up to 2500A pulsed, 500A continuous)
  • Isolated charger detection circuit
  • Isolated CAN bus interface
  • Daisychain Master/Slave ISOSPI communication
  • Single PCB pattern for bolt-on contactor
  • It can internal power supply or external power supply voltage is 12V
  • Integrated predischarge circuit
  • USB & serial interface for configuring and firmware upgrades with the ENNOID-BMS-Tool
  • OLED display output
  • ON/OFF toggle switch input

SWD burn debugging or update firmware interface

Pack configuration examples:

MKBMS monitoring 23S pack :
 2 x LTC6811-12S : 12S + 11S ( Optimal)
 2 x LTC6812-15S : 12S + 11S (Two slaves partially loaded)
 2 x LTC6813-18S : 12S + 11S (Two slaves partially loaded)
MKBMS monitoring 27S pack :
3 x LTC6811-12S: 9S + 9S + 9S (Three slaves partially loaded)
2 x LTC6812-15S: 14S + 13S  (Optimal)
2 x LTC6813-18S: 14S + 13S (Two slaves partially loaded)
MKBMS monitoring 29S pack :
3 x LTC6811-12S: 10S + 10S + 9S (Three slaves partially loaded)
2 x LTC6812-15S: 15S + 14S  ( Optimal)
2 x LTC6813-18S: 15S + 14S (Two slaves partially loaded)
MKBMS monitoring 30S pack :
3 x LTC6811-12S: 10S + 10S + 10S (Three slaves partially loaded)
2 x LTC6812-15S: 15S + 15S  ( Optimal)
2 x LTC6813-18S: 15S + 15S (Two slaves partially loaded)
MKBMS monitoring 35S pack :
3 x LTC6811-12S: 12S+12S+11S (Good)
3 x LTC6812-15S: 12S+12S+11S (Three slaves partially loaded)
2 x LTC6813-18S: 18S + 17S (Optimal choice)
MKBMS monitoring 90S pack :
3 x LTC6811-12S: 12S+12S+12S+12S+12S+12S+12S+6S(Ordinary)
3 x LTC6812-15S: 15S+15S+15S+15S+15S +15S(Good)
2 x LTC6813-18S: 18S + 18S + 18S + 18S + 18S (Optimal choice)
*For uneven cell count in series, only the last slave board in the daisy-chained loop should have one cell less connected than the other slaves. Ex: 39S = 10S + 10S + 10S + 9S

MKBMS battery management system implements the following functions:

  1. Current and voltage protection: protect the battery pack from overcharge and overdischarge, thereby extending the cycle life.
  2. Battery health monitoring: monitor the internal resistance of a single battery and the monitoring capacity of the battery pack.
  3. Thermal management: Overheating and under-temperature protection with fan control for cooling or heating.
  4. Support batteries: Li-Ion, Li-Polymer, Li-Phosphate
  5. Intelligent battery balance: passive balance and active balance
  6. Rugged and anti-EMI
  7. Field programmable
  8. Current limit calculation
  9. Fully programmable CANBUS interface, programmable structure of all CAN messages
  10. Drift state of charge
  11. Reliability, speed and accuracy
  12. Integration with other devices
  13. Multiple BMS units connected in series
  14. Current sensor support
  15. Isolation from fault detection
  16. Automotive grade design, automotive grade locking connector
  17. Software for data logging and programming

MKBMS can be roughly divided into three aspects: automobile, industry, and consumption:

  1. Electric vehicles;
  2. Electric patrol car;
  3. Scenic sightseeing car;
  4. Handling robots;
  5. Automatic forklift;
  6. Electric bicycles;
  7. Electric skateboard;
  8. Electric tools;
  9. Consumer robots, etc.

Shipping List:

1X   PCBA board MKBMS-HV Master Board
2X   GH1.25 single head 2P line
1X   GH1.25 double head 2P same direction line
5X   HY2.0 single head 2P line
2X   GH1.25 single head 5P line
1X   GH1.25-5P to Dupont line
1X   USB cable type-C data cable
1X   2.0MM jumper cap
1X   1.3 inch OLED display LCD screen module
1X   Switch

wiring diagram:

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