BMS system generally adopts LTC680X chip to monitor each lithium battery block. Based on it, MORNSUN developed new 50VDC and 60VDC DC/DC converter B05xxLD-1WR2 and B05xxLS-1WR2 series specialized for BMS. They aim to reduce energy consumption of lithium battery pack and extend the battery mileage.

The series offer stable 50VDC or 60VDC output ensuring the accuracy of monitored chip, meet requirements of EMI CISPR25 CLASS 3 standard and electrostatic discharge of ISO 10605±8KV and have high reliability.



  • Meet requirements of EMI CISPR25 CLASS 3 standard
  • Operating temperature: -40℃ to +85℃
  • Efficiency up to 79%
  • High power density
  • Isolation: 1500VDC
  • International standard pin-out