REFACDC024
REFACDC024 - Reference Design
Isolation Fly-back type PWM method Output 30W 24V
The BM2P016T-EVK-001 evaluation board outputs 24V voltage from the input of 90Vac to 264Vac. The output current supplies rated 1A and up to 1.25A. BM2P016T which is PWM method DC/DC converter IC built-in 650V MOSFET is used.
- The BM2P16T contributes to low power consumption by built-in a 650 V starting circuit. Built-in current detection resistor realizes compact power supply design.
- Current mode control imposes current limitation on every cycle, providing superior performance in bandwidth and transient response.
- The switching frequency is 65 kHz in fixed mode. At light load, frequency is reduced and high efficiency is realized.
- Built-in frequency hopping function contributes to low EMI. Low on-resistance 1.4 Ω 650 V MOSFET built-in contributes to low power consumption and easy design.
- The flywheel diode is a fast recovery diode of 6A/200 V RFN6BM2D, contributing to low power consumption.
- The conduction / radiation emission test is based on CISPR 22 Class B with best EMI design.
Design Resources
- BM2P016T-EVK-001
- User's Guide
- Schematic
- BOM
- Layout (PDF)
Specifications
Board Number | Input Voltage Range | Input Frequency | Output Voltage | Rated Power | Maximum Output Power | Output Current Range | Stand-by Power | Efficiency | Output Ripple Voltage | Operating temperature range | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BM2P016T-EVK-001 | 85 to 264Vac | 47 to 63Hz | 24V(Typ.) | 24W | 30W Iout=1.25A *1 | 0 to 1.25A | 230mW Iout=0A | 0.895 | 163mVpp *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 |
---|---|---|
BM2P016T-EVK-001 | CoreStaff Co., Ltd. | 3 |
Chip One Stop, Inc. | 1 | |
DigiKey | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
BM2P016T-EVK-001 | BM2P016T | AC/DC Converters ICs | - | Recommended | - | - | ||||||
BM2P016T-EVK-001 | RF05VAM2S | Fast Recovery Diodes | - | Recommended | - | - | - | - | - | |||
BM2P016T-EVK-001 | RFU02VSM8S | Fast Recovery Diodes | - | Recommended | - | - | - | - | - | |||
BM2P016T-EVK-001 | RFN6BM2D | Fast Recovery Diodes | - | Recommended | - | - | - | - |