REFACDC044
REFACDC044 - Reference Design
Quasi-Resonant method Isolated 90W 20V 4.5A
This reference design uses BM1Q104FJ.
- This evaluation board outputs an isolated voltage of 20 V from an input of 90 Vac to 264 Vac, and the maximum output current is 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.
Design Resources
- BM1Q104FJ-EVK-001
- User's Guide
- Schematic
- BOM
- Layout (PDF)
Specifications
| Board Number | Input Voltage Range | Input Frequency | Output Voltage | Output Current Range | Maximum Output Power | Standby Input Power | Power supply efficiency | Output Ripple Voltage | Oprating Temperature | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BM1Q104FJ-EVK-001 | 90 to 264V | 47 to 63Hz | 20.0V(Typ.) | 0 to 4.5A *1 | 90W(Max.) *1 | 105mW(Typ.) Iout=0A Vin=230V | 90.4%(Typ.) | 0.18Vpp(Typ.) *2 | -10 to 65deg.C |
Remarks:
*1 Please adjust operating time, within any parts surface temperature under 105 °C
*2 Not include spike noise
*1 Please adjust operating time, within any parts surface temperature under 105 °C
*2 Not include spike noise
Distribution Inventory
| Board Number | Distributor | Quantity Available |
|---|---|---|
| BM1Q104FJ-EVK-001 | Ameya Holding Limited | 2 |
| CoreStaff Co., Ltd. | 2 | |
| DigiKey | 2 | |
| Mouser Electronics Inc. | 2 | |
| Chip One Stop, Inc. | 1 |
Key Components
| Board Number | Part Number | Product Category | Datasheet | Status | SPICE | LTspice® ? | Thermal Model | Symbol & Footprint | 3D STEP | Samacsys ECAD Library | Calc Tool | ROHM Solution Simulator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BM1Q104FJ-EVK-001 | BM1Q104FJ | AC/DC Converters ICs | - | Recommended | - | - | - | - | ||||
| BM1Q104FJ-EVK-001 | RFN1LAM7S | Fast Recovery Diodes | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | RF05VAM2S | Fast Recovery Diodes | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | RRE02VSM4S | Standard Rectifier Diodes | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | RB500VM-40 | Schottky Barrier Diodes | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | RF2001T3DNZ | Fast Recovery Diodes | - | Active | - | - | ||||||
| BM1Q104FJ-EVK-001 | R6524KNX3 | 190 to 800V Power MOSFETs | - | Recommended | - | - | - | - | ||||
| BM1Q104FJ-EVK-001 | 2SAR523UB | General Purpose Bipolar Transistors | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | UDZV24B | Zener Diodes | - | Recommended | - | - | - | - | - | |||
| BM1Q104FJ-EVK-001 | UDZV39B | Zener Diodes | - | Recommended | - | - | - | - | - |