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Rohm BM1Q104FJ-EVK-001 User Manual
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Rohm BM1Q104FJ-EVK-001 User Manual

Quasi-resonant method isolated output power 90w
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Quasi-Resonant method
Isolated Output Power 90W
BM1Q104FJ-EVK-001

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Summary of Contents for Rohm BM1Q104FJ-EVK-001

  • Page 1 Quasi-Resonant method Isolated Output Power 90W BM1Q104FJ-EVK-001...
  • Page 2 [8] Be sure to wear insulated gloves when handling is required during operation. After Use [9] The ROHM Evaluation Board contains the circuits which store the high voltage. Since it stores the charges even after the connected power circuits are cut, please discharge the electricity after using it, and please deal with it after confirming such electric discharge.
  • Page 3 4.5 A. The BM1Q104FJ, the QR controller for AC/DC power supplies, provides the optimal system for all products where an outlet is present. Figure 1. BM1Q104FJ-EVK-004 © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 1/16...
  • Page 4 Standby Input Power = 0 A V = 230V INSTBY η Power supply efficiency 90.4 Output Ripple Voltage 0.18 0.20 (Note 2) ripple1 Opareting Temperature ℃ Derating Figure 2. Temperature derating curve © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 2/16 2023.02...
  • Page 5 (8) Make sure that the DC voltmeter reading is at the set voltage (20 V). (9) Electronic load switch is ON. 20 V CN1-2 AC (N) CN1-2 AC (L) Figure 3. Diagram of How to Connect © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 3/16 2023.02...
  • Page 6 After start of switching, the startup circuit is turned off and it cut the supply from the VH pin, in order to have low power consumption for instance in standby mode. Figure 4. Application Circuit © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 4/16...
  • Page 7 Pin Name Function Zero current detect pin Feedback signal input pin Primary current sensing pin GND pin External MOS drive pin Power supply pin N.C. Non Connection pin Starter circuit pin © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 5/16 2023.02...
  • Page 8 Load Regulation Figure 6. Load Regulation (V vs I Figure 7. Efficiency vs P 2. Line Regulation Figure 8. Line Regulation (V vs I Figure 9. Efficiency vs Input Voltage © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 6/16 2023.02...
  • Page 9 1 A / Div 1 A / Div Figure 11. MOSFET Wave Form V = 90 Vac, I =4.5A Figure 12. MOSFET Wave Form V = 264 Vac, I =4.5A © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 7/16 2023.02...
  • Page 10 100 V / Div 10 A / Div DRAIN 10A / Div DRAIN Figure 15. Drain Wave Form V =90 Vac V Shorted Figure 16. Drain Wave Form V =264 Vac V Shorted © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 8/16 2023.02...
  • Page 11 5 A / Div Figure 19. V = 90 Vac, I = switch 0 A / 4.5 A Figure 20. V = 264 Vac, I = switch 0A / 4.5 A © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 9/16 2023.02...
  • Page 12 They are measured after 15 minutes from applying a power supply. Table 2. Surface Temperature of Parts (Ta = 24.5 °C) IOUT [Vac] [℃] [℃] [℃] 55.6 62.3 77.6 54.4 64.1 49.9 © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 10/16 2023.02...
  • Page 13 : 115 Vac / 60 Hz, I : 4.5 A QP margin: 4.9 dB AVE margin: 6.0 dB Figure 27. V : 230 Vac / 50 Hz, I : 4.5 A © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 11/16 2023.02...
  • Page 14 BM2P0161-EVK-004 User’s Guide Schematics = 90 Vac ～ 264 Vac 、 V = 20 V 4.5 A Figure 25. BM1Q104FJ-EVK-001 Schematics © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 12/16 2023.02...
  • Page 15 14 ℃ /W HEAT2 E2A-T220-38E OHMITE 8.3 ℃ /W HEAT 3 20PBE55-25B MARUSAN DENKI TP1,TP2 CD-10-15 MAC8 Screw1,Screw2 P-4 3MC 3×8 YAWATANEJI PCB0253D SIGNUS Materials may be changed without notifying. © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 13/16 2023.02...
  • Page 16 User’s Guide BM2P0161-EVK-004 Layout Size: 191 mm x 73 mm Figure 26. TOP Silkscreen (Top view) Figure 27. Bottom Layout (Top View) © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 14/16 2023.02...
  • Page 17 COMPACT 2UEW / Φ0.45 x 2 COMPACT 2UEW / Φ0.1 x 60 COMPACT 2UEW / Φ0.20 x 1 COMPACT 2UEW / Φ0.1 x 60 COMPACT 2UEW / Φ0.45 x 2 © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 15/16 2023.02...
  • Page 18 User’s Guide BM2P0161-EVK-004 Revision History Date Rev. Changes 14.February.2023 New Release © 2023 ROHM Co., Ltd. No. 65UG077E Rev.001 16/16 2023.02...
  • Page 19 Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information.