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Rohm BD7695FJ User Manual

Power factor correction boundary current mode method reference board

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Power Factor Correction
Boundary Current Mode Method
BD7695FJ Reference Board

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Summary of Contents for Rohm BD7695FJ

  • Page 1 Power Factor Correction Boundary Current Mode Method BD7695FJ Reference Board...
  • 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 BD7695FJ Reference Board BD7695FJ-EVK-001 The BD7695FJ-EVK-001 reference board outputs 400 V voltage from the input of 90 Vac to 264 Vac. The output current supplies up to 0.5 A. The BD7695FJ which is BCM method PFC controller IC is used.
  • Page 4 Check that output voltage is 400 V. Electronic load switch is ON. Operate with enough caution against electric shock because of non-isolated output voltage 400 V. Figure 1. Connection Circuit © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 2/14 Oct.2022...
  • Page 5 If ambient temperature is over 40 °C, Consider the load current time and air-cool with FAN so that the component surface temperature does not exceed 105 ℃. Figure 2. Temperature derating curve © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 3/14...
  • Page 6 BD7695FJ-EVK-001 User’s Guide Schematics = 90 to 264 Vac, V = 400 V Figure 3. BD7695FJ-EVK-001 Schematics © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 4/14 Oct.2022...
  • Page 7 R23,R24 270 kΩ ESR18EZPJ274 ROHM 47 kΩ ESR18EZPJ473 ROHM P-4 3MC 3x8 YAWATANEJI SCREW1,SCREW2,SCREW3 2 Ω, 4 A 2D2-13LD SEMITEC ZNR1,R4,R14,R18 NON MOUNTED PCB0237B Materials may be changed without notifying. © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 5/14 Oct.2022...
  • Page 8 BD7695FJ-EVK-001 User’s Guide Size: 200 mm x 112 mm Figure 4. Top Silkscreen (Top view) Figure 5. Bottom Layout (Top view) © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 6/14 Oct.2022...
  • Page 9 Stable MOSFET Gate Driving SOP-J8 4.90 mm x 6.00 mm x 1.65 mm  Soft Start Function Pitch 1.27 mm Figure 6. Block Diagram Table 1. BD7695FJ PIN description ESD Diode Pin No. Pin Name Function Feedback input pin ○...
  • Page 10 16.00 200W 200W 0.85 14.00 12.00 0.75 10.00 8.00 0.65 6.00 4.00 0.55 2.00 0.00 Figure 9. Tatal Harmonic Distortion (THD vs V Figure 10. Power Factor (PF vs V © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 8/14 Oct.2022...
  • Page 11 User’s Guide Performance data – Continued Efficiency Figure 11. Efficiency (Efficiency vs VIN) Harmonic Current Figure 12. Harmonic Current V = 100 V Figure 13. Harmonic Current V = 230 V © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 9/14 Oct.2022...
  • Page 12 D-S Voltage 100 V / Div Drain Current 2.5 A / Div Drain Current 2.5 A / Div Figure 16. V = 90 V = 0.5 A Figure 17. V ZOOM © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 10/14 Oct.2022...
  • Page 13 Input Current 10 A / Div Vout Voltage 100 V / Div Vout Voltage 100 V / Div Figure 19. Start Up V = 90 V Figure 20.Start Up V = 264 V © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 11/14 Oct.2022...
  • Page 14 Output ripple Io = 0.5 A Vout Voltage 10 V / Div Vout Voltage 10 V / Div Figure 23. Output ripple V = 90 V Figure 24. Output ripple V = 264 V © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 12/14 Oct.2022...
  • Page 15 Conducted Emission: CISPR22 Pub 22 Class B Figure 25. V = 100 V / 60 Hz, I = 0.5 A Figure 26. V = 230 V / 60 Hz, I = 0.5 A © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 13/14 Oct.2022...
  • Page 16 BD7695FJ-EVK-001 User’s Guide Revision History Date Rev. Changes 4.October.2022 New Release © 2022 ROHM Co., Ltd. No. 65UG030E Rev.001 14/14 Oct.2022...
  • Page 17 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.