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Summary of Contents for Rohm BM2P10B1J-EVK-001
- Page 1 Isolation Fly-back Conveter PWM method Output 24W 12V BM2P10B1J-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 Built-in the low on resistor (1.0 Ω) and high voltage tolerant MOSFET (730 V) make designs easy. PWM controller for AC / DC power supplies, the BM2P10B1J provides the optimum system for all products with outlets. Figure 1. BM2P10B1J-EVK-001 © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 1/16...
- Page 4 INSTBY Power supply efficiency η 86.5 Output Ripple Voltage (Note 1) 0.13 0.24 BW=20MHz RIPPLE Oprating Temperature °C (Note 1) Not include spikes noise. Derating Figure 2. Temperature derating curve © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 2/16 JAN.2023...
- Page 5 (8) Make sure that the DC voltmeter reading is at the set voltage (12 V). (9) Electronic load switch is ON. DC Meter 12Ｖ Load CN1-1 AC (N) CN1-2 AC (L) AC Power Supply Power Meter Figure 3. Diagram of How to Connect © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 3/16 JAN.2023...
- Page 6 At startup, the voltage at the VCC pin rises as the voltage is supplied from the DRAIN pin to the VCC pin through the start circuit. The demo board schematic is shown in Figure below and the list of parts is tabulated on page 13. © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 4/16 JAN.2023...
- Page 7 Figure 4. Pin Configuration Pin Descriptions Pin name Function SOURCE MOSFET SOURCE pin BROWNOUT pin GND pin Feedback-signal-in pin Power supply input pin DRAIN MOSFET DRAIN pin DRAIN MOSFET DRAIN pin © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 5/16 JAN.2023...
- Page 8 Figure 6. Efficiency vs Output Current Line Regulation 12.6 12.4 12.2 12.0 11.8 0.5A 11.6 1.5A Io=2A 11.4 Figure 7. Output Voltage vs Input Voltage Figure 8. Efficiency vs Input Voltage © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 6/16 JAN.2023...
- Page 9 Figure 9. Frequency vs Output Power Input Voltage Slowup Input Voltage V 100 V / Div Output Voltage V 5 V / Div Figure 10. VIN 0 V to 230 V © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 7/16 JAN.2023...
- Page 10 Diode Current I 2 A / Div 2 A / Div Figure 13. V = 90 Vac, I = 2 A Figure 14. V = 264 Vac, I = 2 A © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 8/16 JAN.2023...
- Page 11 Input Voltage V 250 V / Div Input Voltage V 250 V / Div Figure 17. V = 90 Vac, I = 2A Figure 18. V = 264 Vac, I = 2A © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 9/16 JAN.2023...
- Page 12 Table 1. Surface Temperature of Parts (Ta = 29 °C) Condition Part = 90 Vac, I = 2 A = 264 Vac, I = 2 A OUT1 OUT1 77.8 °C 78.6 °C Bridge Diode DB1 78.1 °C 54.9 °C © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 10/16 JAN.2023...
- Page 13 Figure 23. V : 230 Vac / 50 Hz, I : 2 A QP margin: 12.0dB AVE margin: 10.7dB Figure 24. V : 115 Vac / 50 Hz, I : 2 A © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 11/16 JAN.2023...
- Page 14 BM2P10B1J-EVK-001 User’s Guide Schematics = 90 Vac to 264 Vac、V = 12 V 2 A Figure 25. BM2P10B1J-EVK-001 Schematics © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 12/16 JAN.2023...
- Page 15 ROHM 10 Ω ESR18EZPJ100 ROHM EE25-20 XE2674Y A ALPHA TRANS VOUT WHITE LC-2-G-WHITE MAC8 ZNR1 470 V, 400 A, φ 5 mm V470ZA05P LITTELFUSE Materials may be changed without notifying. © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 13/16 JAN.2023...
- Page 16 BM2P10B1J-EVK-001 User’s Guide Layout Size: 101 mm x 55 mm Figure 26. TOP Layout (Top view) Figure 27. Bottom Layout (Top View) © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 14/16 JAN.2023...
- Page 17 2UEW / Φ0.32 x 1 COMPACT TEX-E / Φ0.60 x 1 COMPACT 2UEW / Φ0.20 x 1 SPACE TEX-E / Φ0.60 x 1 COMPACT 2UEW / Φ0.32 x 1 COMPACT © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 15/16 JAN.2023...
- Page 18 BM2P10B1J-EVK-001 User’s Guide Revision History Date Rev. Changes 16.Jan.2023 New Release © 2022 ROHM Co., Ltd. No. 65UG072E Rev.001 16/16 JAN.2023...
- 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.
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