rohm referencedesigns
refacdc024
refacdc024reference design / application evaluation kit | rohm co., ltd.-尊龙凯时ag客户端
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
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 | 3 | |
| 1 | ||
| 1 | ||
| 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 | rfn6bm2d | fast recovery diodes | recommended | - | ||||||||
| bm2p016t-evk-001 | rfu02vsm8s | fast recovery diodes | recommended | - |