background image

 

7

  / 

14

 

User’s Guide 

BM2P134E-EVK-001 

© 2021 ROHM Co., Ltd.

 

No.

 63UG097E Rev.001

 

Feb.2021

 

 

1

2

3

4

5

6

7

SO

URC

E

BR

G

N

D

FB

D

RAI
N

V

C

C

ZT

TOP VIEW

BM2P134E Overview

   

 

Features 

 
■ PWM frequency of 130 kHz 
■ PWM Current mode method 
■ Built-in Frequency Hopping Function 
■ Burst Operation at Light Load 
■ Frequency Reduction Function 
■ Built-in 650 V Starter Circuit 
■ Built-in 650 V Super Junction MOSFET 
■ VCC Pin Under Voltage Protection 
■ VCC Pin Over Voltage Protection 
■ Over Current Limiter Function per Cycle 
■ Over Current Limiter with AC Voltage Correction 
■ Soft Start Function 
■ Brown IN/OUT Function 
■ ZT Pin OVP Function 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 

Key Specifications 

 

Operating Power Supply Voltage Range: 
VCC: 

8.90 V to 26.00 V 

DRAIN: 

650 V(Max) 

 

Operating Current(Normal): 

1.00 mA(Typ) 

 

Operating Current(Burst): 

0.30 mA(Typ) 

 

Switching Frequency: 

130 kHz(Typ) 

 

MOSFET ON Resistance: 

-

40 °C to +105 °C 

 

MOSFET ON Resistance: 

3.0 Ω(Typ) 

 

 

 

package :                                W(Typ) x D(Typ) x H(Max) 

DIP7AK   

9.27 mm x 6.35 mm x 8.63 mm 

Pitch 2.54 mm 

 
 
 
 
 
 
 
 

 

 

 

 

Table 5. BM2P134E pin description   

No 

Pin 

Name 

I/O 

Function 

SOURCE 

I/O 

MOSFET SOURCE pin 

BR 

AC voltage detect pin 

GND 

I/O 

GND pin 

FB 

Feedback signal input pin 

ZT 

Auxiliary winding Input pin 

VCC 

Power supply Input pin 

DRAIN 

I/O 

MOSFET DRAIN pin 

 

 

 

 

 

 

Figure 8. IC Pin Diagram 

 

Figure 9. Package Image 

Summary of Contents for BM2P134E-EVK-001

Page 1: ...AC DC Convertor Isolated PWM type 12 W 12 V 1 0 A BM2P134E Z Evaluation Board...

Page 2: ...l contact or even bringing your hand close to the board may result in discharge and lead to severe injury or death Therefore DO NOT touch the board with your bare hands or bring them too close to the...

Page 3: ...Max Units Conditions Input Voltage Range 90 230 264 Vac Input Frequency Range 47 50 60 63 Hz Operating Temperature 10 25 65 C Table 2 Evaluation board specification These are representative values and...

Page 4: ...2 Electronic Load capacity 1 0 A 3 Multimeter 4 Power Meter Connection method Turn off each power supply and connect the measuring instrument as shown below Turn on the power of the measuring instrum...

Page 5: ...EVK 001 2021 ROHM Co Ltd No 63UG097E Rev 001 Feb 2021 Schematics VIN 90 Vac to 264 Vac VOUT 12 V IOUT 1 0 A Figure 3 BM2P134E EVK 001 Circuit 0 68 0 1 uF 2200 pF 300 V 5 1 K 33 K NC NC 1000uF 35V BM2...

Page 6: ...Connector CON1 CON2 691213710002 WURTH ELECTRONIK D3 FRD 0 8 A 700 V RFN1LAM7S ROHM D4 FRD 0 5 A 200 V RF05VAM2STR ROHM D5 SBD 10 A 150 V RB088BGE150 ROHM Fuse F1 2 A 300 V 36912000000 LITTELFUSE Pho...

Page 7: ...Figure 4 Bobbin diagram Figure 5 Winding structure diagram Table 4 Wurth Transformer Winding Specification Coil Terminal Turns Wire Winding Method NP1 3 2 32 1 X1UEW 0 25 mm 1 Layer Space NS1 10 8 10...

Page 8: ...6 14 User s Guide BM2P134E EVK 001 2021 ROHM Co Ltd No 63UG097E Rev 001 Feb 2021 PCB Size 104 mm x 50 mm Figure 6 Top Silkscreen Top view Figure 7 Bottom Layout Top view...

Page 9: ...ction Soft Start Function Brown IN OUT Function ZT Pin OVP Function Key Specifications Operating Power Supply Voltage Range VCC 8 90 V to 26 00 V DRAIN 650 V Max Operating Current Normal 1 00 mA Typ O...

Page 10: ...re 12 Load Regulation IOUT vs FSW Figure 13 Load Regulation IOUT vs PLOSS 11 0 11 4 11 8 12 2 12 6 13 0 0 0 5 1 1 5 Output Voltage V Output Current A 90 264 40 45 50 55 60 65 70 75 80 85 90 0 0 2 0 4...

Page 11: ...CH1 100 V div CH2 500 mA div Figure 15 Vds and Idrain VIN 264 Vac IOUT 0 A Time 5 ms 2 s CH1 50 V div CH2 500 mA div Figure 16 Vds and Idrain VIN 90 Vac IOUT 0 5 A Time 5 ms 2 s CH1 50 V div CH2 500 m...

Page 12: ...nt 2 A div Figure 21 Vds and Idiode VIN 264 Vac IOUT 0 A Time 2 s CH1 DRAIN Voltage 20 V div CH2 DIODE Current 2 A div Figure 22 Vds and Idiode VIN 90 Vac IOUT 0 5 A Time 2 s CH1 DRAIN Voltage 20 V di...

Page 13: ...ure 26 Vds Idrain and Vout VIN 90 Vac IOUT 0 A Time 5 ms 10 s CH1 100 V div CH2 500 mA div CH3 Output Voltage 5 V div Figure 27 Vds Idrain and Vout VIN 264 Vac IOUT 0 A Time 5 ms 50 s CH1 DRAIN Voltag...

Page 14: ...e 30 Iout and Vout VIN 90 Vac IOUT 0 1 0 A Time 50 ms CH1 Output Voltage 200 mV div CH2 Output Current 500 mA div Figure 31 Iout and Vout VIN 90 Vac IOUT 1 0 0 A Time 5 ms CH1 Output Voltage 200 mV di...

Page 15: ...e 200 mV div Figure 34 Vout VIN 90 Vac IOUT 1 0 A Time 50 s CH1 Output Voltage 200 mV div Figure 35 Vout VIN 264 Vac IOUT 1 0 A Operating Temperature IC 56 5 C Transformer 49 7 C Secondary Side diode...

Page 16: ...14 14 User s Guide BM2P134E EVK 001 2021 ROHM Co Ltd No 63UG097E Rev 001 Feb 2021 Revision History Date Rev Changes 1 Feb 2021 001 New Release...

Page 17: ...hnical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified below...

Reviews: