ROHM Semiconductor BD28C57HFJ-EVK-001 Evaluation Kit

ROHM Semiconductor BD28C57HFJ-EVK-001 Evaluation Kit is a high-efficiency AC-DC converter reference design built around the BD28C57HFJ-LB quasi-resonant PWM controller IC. Engineered to deliver a stable 25.2V output at up to 2.0A, this compact evaluation board supports a wide input voltage range of 300VDC to 900VDC, making the kit suitable for global applications. The ROHM Semiconductor BD28C57HFJ-EVK-001 features quasi-resonant switching for reduced EMI and improved efficiency, along with integrated protections such as overvoltage, overcurrent, and thermal shutdown. Ideal for industrial equipment, consumer electronics, and home appliances, the kit provides a reliable and energy-efficient platform for evaluating robust AC-DC power supply designs.

Features

  • Wide 300VDC to 900VDC input voltage range
  • 24V isolated output voltage
  • SCT12H12NZ SiC MOSFET with 1700V, 1.1Ω typical RDS(ON) is used so that an input voltage of up to 900VDC can be applied
  • BD28C57HFJ control IC
  • Up to 65kHz oscillation frequency
  • 50% maximum duty
  • High efficiency operation using quasi-resonant switching, which reduces switching losses and improves thermal performance
  • Built-in protections, including overvoltage, overcurrent, overload, and thermal shutdown, ensuring safe and reliable operation
  • Compact layout with optimized component placement for thermal and electrical performance
  • Low standby power consumption, making it suitable for energy-conscious designs

Applications

  • Industrial equipment
  • Consumer electronics
  • Home appliances
  • Battery charging systems
  • Communication and networking equipment

Specifications

  • 47kHz to 63kHz input frequency range
  • 22.6V to 25.2V output voltage range
  • 0A to 2.0A output current range
  • 48W maximum output power
  • 0.67W typical standby input power
  • 89.0% typical power supply efficiency
  • 0.48Vpp maximum output ripple voltage
  • -10°C to +60°C operating temperature range

Required Equipment

  • DC power supply (90VDC to 1kVDC, 200W or more)
  • Load equipment (3A at maximum value)
  • DC voltmeter

Connection Diagram

Mechanical Drawing - ROHM Semiconductor BD28C57HFJ-EVK-001 Evaluation Kit
Opublikowano: 2025-05-13 | Zaktualizowano: 2025-06-01