ROHM BM2PAB1Y-Z AC and DC Convertor Non-Isolated PWM Type Evaluation Board User Guide

ROHM BM2PAB1Y-Z AC and DC Convertor Non-Isolated PWM Type Evaluation

Board

AC/DC Converter
Non-Isolated Buck Convertor 12 V 7.2 W Output BM2PAB1Y-Z Evaluation Board

BM2PAB1Y-EVK-001

Feature

1. Adjustable Output Voltage with External Resistor
   

2. Low Switching Loss and Low EMI by frequency 25 kHz
   

3. Internal Start up Circuit 730 V(peak)
   

4. Internal Super Junction FET 730 V(peak) (Ron = 1.2 Ω)
   

5. Internal Current Sense Resistor (Detection Current 1.76 A)

6. Contributes to Low EMI by Internal Hopping Function

Specification

Table 2. Evaluation board specification
These are representative values and not a guarantee of the characteristics, unless stated otherwise use VIN = 230 Vac, IOUT = 0.6 A, Ta = 25 ° C.

(Note 1) Adjust the operating time so that surface temperature of no component exceeds 105 ° C (Note 2) Do not consider spike nois

Operation Procedure

1. Operation equipment
   (1) AC power supply 90 Vac to 264 Vac, 15 W or more
   (2) Electronic Load capacity 0.6 A
   (3) Multimeter

2. Connection Instruments
   (1) Turn off each power supply and connect the measuring instrument as shown below.
   (2) Turn on the power supply setting between 90 Vac to 264 Vac
   (3) Turn on the electrical load setting between 0 to 0.6 A.
   (4) Connect the multimeter directly to the output and check the voltage by sensing.

  Circuit

VIN = 90 to 264 Vac, VOUT = 12 V

  BOM List

Capacitor

| C1| 12 µF, 450 V| UCY2W120MP01TD| NICHICON
C2| 12 µF, 450 V| UCY2W120MP01TD| NICHICON
C3|  | NON MOUNTED|
C4| 2.2 µF, 50 V| UMK316B7225KL T| TAIYO YUDEN
C5| 1000 pF, 100 V| HMK107B7102KA T| TAIYO YUDEN
C6| 1000 pF, 100 V| HMK107B7102KA T| TAIYO YUDEN
C8|  | NON MOUNTED|
C9|  | NON MOUNTED|
C10|  | NON MOUNTED|
C11|  | NON MOUNTED|
C12| 1000 µF, 25 V| 25ZLJ1000M10x20| RUBYCON
Connector| CN1|  | B02P NV| JST

Diode

| D1| FRD, 3 A, 600 V| RFN3BM6S| ROHM
D2| FRD, 0.2 A, 600 V| RFU02VSM6S| ROHM
DB1| 1 A, 800 V| D1UBA80| SHINDENGEN
Fuse| F1| 1.6 A, 300 V| 36911600000| LITTELFUSE
IC| IC1|  | BM2PAB1Y Z| ROHM
Jumper| J1| 0 Q| MCR18EZPJ000| ROHM

Inductor

| L1| 330 µH| RFS1317 334KL| COIL CRAFT
L2|  | NON MOUNTED|
L3| 470 µH| 7447462471| WURTH ELECTRONIK
Photo Coupler| PC1|  | NON MOUNTED|
PCB| PCB1|  | PCB0178| ROHM

Resistor

| R1|  | SHORT|
R2|  | SHORT|
R3| 1 MQ| MCR03EZPFX1004| ROHM
R4| 200 kQ| MCR03EZPFX2003| ROHM
R6| 2.7 kQ| MCR03EZPJ2701| ROHM
R7|  | NON MOUNTED|
R9|  | NON MOUNTED|

Layout

Size 70 mm x 30 mm

  BM2Pxx1Y Overview

Features

•  PWM Current Mode
•  Built-in Frequency Hopping Function
•  Burst Operation at Light Load
•  Built-in 730 V(peak) Starter Circuit
•  Built-in 730 V(peak) Super Junction MOSFET
•  VCC UVLO (Under Voltage Lockout)
•  VCC OVP (Over Voltage Protection)
•  Over Current Limiter Function per Cycle
•  Soft Start Function
•  Sleep Mode

Key Specifications

• Operating Power Supply Voltage Range
  VCC  11.10 V to 26.00 V
  DRAIN  730 V(peak) (Max)

• Operating Current (Normal): 650 μA (Typ)

• Operating Current (Burst): 350 μA (Typ)

•  Operating Current (Sleep): 65 μA (Typ)

•  Switching Frequency: 25 kHz / 65 kHz (Typ)

•  Operation Temperature: -40 °C to +105 °C

•  MOSFET ON Resistance: 1.2 Ω (Typ)

  Application

• Washing machine,
• Air conditioner,
• Other white goods

  Line Up

Model Name| Switching Frequency| Frequency Reduction| OCP

Current

---|---|---|---
BM2PAA1Y-Z| 65 kHz| O| 1.76 A
BM2PAB1Y-Z| 25 kHz| –
BM2PDA1Y-Z| 65 kHz| O| 0.93 A
BM2PDB1Y-Z| 25 kHz| –

Table 3. BM2Pxx1Y-Z Pin Description

No.

|

Name

|

I/O

|

Function

---|---|---|---
1| N.C.| –| Non connection
2| SLEEP| I| Sleep/Normal modes witching pin
3| GND_IC| I/O| GND pin
4| FB| I| Output voltage feedback pin
5| VCC| I| Input voltage pin
6| DRAIN| I/O| MOSFET drain pin
7| DRAIN| I/O| MOSFET drain pin

Measurement Data

Constant Load Regulations

  Waveform   Waveform Start Up   Waveform Load Response

Waveform Ripple Voltage

Operation Temperature

Condition Iout=0.6 A. 20 min

Consider selecting parts after checking the temperature range of the parts used.

EMI   Revision History

Notes

1. The information contained herein is subject to change without notice.

2. Before you use our Products, please contact our sales representative and verify the latest specifica-tions :

3. Although ROHM is continuously working to improve product reliability and quality, semicon-ductors can break down and malfunction due to various factors.

4. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no responsibility for any damages arising out of the use of our Poducts beyond the rating specified by ROHM.

5. Examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production.
   The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products.

6. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information.
   The Products specified in this document are not designed to be radiation tolerant.

7. For use of our Products in applications requiring a high degree of reliability (as exemplified below), please contact and consult with a ROHM representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems.

8. Do not use our Products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters.

9. ROHM shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein.

10. ROHM has used reasonable care to ensur the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages arising from any inaccuracy or misprint of such information.

11. Please use the Products in accordance with any applicable environmental laws and regulations, such as the RoHS Directive. For more details, including RoHS compatibility, please contact a ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations.

12. When providing our Products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the US Export Administration Regulations and the Foreign

13. Exchange and Foreign Trade Act.
    This document, in part or in whole, may not be reprinted or reproduced without prior consent of ROHM.

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