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ROHM BM2P159T1F | Demoboard BM2P159T1F-EVK-001
AC/DC Converter Non-Isolation Buck Converter PWM method Output 2.6W 15V
Overview
| Topology | Buck Converter |
| Input voltage | 90-264 V |
| Output 1 | 16.5 V / 0.17 A |
| IC revision | 001 |
Description
The BM2P159T1F-EVK-001 evaluation board outputs 15V voltage from the input of 90Vac to 264Vac. The output current supplies up to 0.175A. BM2P109TF which is PWM method DC/DC converter IC built-in 650V MOSFET is used. The BM2P159T1F 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 100 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 9.5 Ω 650 V MOSFET built-in contributes to low power consumption and easy design. The flywheel diode is a fast recovery diode of 1A/650 V RFN1LAM6S, contributing to low power consumption.
Features
- PWM frequency: 100kHz
- PWM current mode method
- Frequency hopping function
- Burst operation at light load
- Built-in 650V start circuit
- Built-in 650V switching MOSFET
- VCC pin under voltage protection
- VCC pin over voltage protection
- Over current limiter function per cycle
- Soft start function
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Mount | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TIS Radial Leaded Wire Wound Inductor, 330 µH, 0.65 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TIS Radial Leaded Wire Wound Inductor | Inductance330 µH | Rated Current0.65 A | Saturation Current0.45 A | DC Resistance0.83 Ω | Self Resonant Frequency3.1 MHz | MountTHT | – | – | – | – | – | – | – | – | Length7.8 mm | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | Capacitance4.7 µF | Rated Voltage400 V (DC) | Endurance 2000 | Ripple Current48 mA | Leakage Current56.4 µA | Dissipation Factor15 % | Pitch3.5 mm | Diameter8 mm | Length11.5 mm | PackagingAmmopack | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | Capacitance220 µF | Rated Voltage25 V (DC) | Endurance 3000 | Ripple Current750 mA | Leakage Current55 µA | Dissipation Factor10 % | Pitch3.5 mm | Diameter8 mm | Length11.5 mm | PackagingAmmopack |