Rohm Referencedesigns

REFACDC041

REFACDC041 - Reference Design

Isolated PWM type, 12 W 12 V/1.0 A

This reference design uses BM2P134E.

1. Built-in 650V SJ-FET and Start up circuit
2. Frequency 130kHz
3. Corresponded W/W input voltage 90Vac to 264Vac
4. Adjustable under voltage lock out by BR terminal
5. Adjustable AC over voltage protection by ZT terminal

BM2P134E-EVK-001

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Related Documents

Type	Title	Related Board Number	Last Updated
User's Guide	Evaluation Board User's Guide for BM2P134E-EVK-001	BM2P134E-EVK-001	2021/05/24

Design Resources

Type	Title	Related Board Number	Last Updated
Schematic	BM2P134E-EVK-001 Schematics	BM2P134E-EVK-001	2023/08/02
BOM	BM2P134E-EVK-001 Partslist	BM2P134E-EVK-001	2023/08/02
Layout (PDF)	BM2P134E-EVK-001 Layout	BM2P134E-EVK-001	2023/08/02

Specifications

Board Number	Input Voltage Range	Input Frequency	Output Voltage	Maximum Output Power	Output Current Range	No Load Power Consumption	Efficiency	Output Ripple Voltage
BM2P134E-EVK-001	90 to 264Vac	47 to 63Hz	12V(Typ.)	12W	1A(Max.) *1	150mW(Typ.) Vin=264Vac	0.845	300mVpp *2

Remarks:
*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
BM2P134E-EVK-001	Mouser Electronics Inc.	7
	Farnell, An Avnet Company	3
	Newark, An Avnet Company	3
	element14	3
	Ameya Holding Limited	2
	CoreStaff Co., Ltd.	2
	DigiKey	2
	RS	2
	RS	2
	Xiamen Oneyac Technology	2
	Chip One Stop, Inc.	1
	CoreStaff Co., Ltd.	1

Key Components

Board Number	Product Category	Part Number	Datasheet	Status	SPICE	LTspice®	Thermal Model	Symbol & Footprint	3D STEP	Samacsys ECAD Library	Calc Tool	ROHM Solution Simulator
BM2P134E-EVK-001	AC/DC Converters ICs	BM2P134E-Z	-	Recommended				-			-	-
BM2P134E-EVK-001	Fast Recovery Diodes	RFN1LAM7S	-	Recommended	-	-	-		-			-
BM2P134E-EVK-001	Fast Recovery Diodes	RF05VAM2S	-	Recommended	-	-	-		-			-
BM2P134E-EVK-001	Schottky Barrier Diodes	RB088BGE150	-	Recommended	-	-						-