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© 2018 ROHM Co., Ltd.

 

No. 60UG092E Rev.001

JULY.2018

 

User’s Guide 

BM2P0161-EVK-003 

 

  Operating Temperature   

The Results were measured 30 minutes after startup. 

 

 

 

Table 16.    Operating Temperature by Evaluation Board (Ta:room) 

Part 

Condition 

V

IN

=90Vac 

V

IN

=230Vac 

I

OUT

=1.5A 

I

OUT

=2A 

I

OUT

=1.5A 

I

OUT

=2A 

BM2P0161 

65.3°C 

82.3°C 

68.1°C 

71.5°C 

Transformer 

58.1°C 

72.3°C 

66.6°C 

73.4°C 

2

Nd

 Diode 

68.7°C 

80.6°C 

68.6°C 

78.4°C 

Diode bridge 

62.3°C 

70.4°C 

44.5°C 

48.7°C 

Snubber R 

56.2°C 

64.6°C 

61.6°C 

64.5°C 

Input FL 

36.7°C 

46.0°C 

31.6°C 

37.0°C 

   

 

・ 

EMI   

                           

 

Figure 37. V

IN

=230Vac/50Hz, I

OUT

=2A 

QP margin= 13.1dB, AV margin=7.8dB 

 

                           

 

Figure 38. V

IN

=230Vac/50Hz, I

OUT

=2A 

QP margin= 9.9dB, AV margin=16.3dB 

CISPR22.B 

CISPR22.B 

Summary of Contents for BM2P0161-EVK-003

Page 1: ...on has frequency decrease function for higher efficiency Switching frequency jitter function enables lower EMI operation Various functions are included for safety Soft start Frequency Burst Mode VCC O...

Page 2: ...nect to GND terminal 5 AC power meter connect between AC power supply and board 6 Output test equipment connects to output terminal 7 AC power supply switch ON 8 Check that output voltage is 12V 9 Ele...

Page 3: ...o Yuden 1608 0603 C10 1 Ceramic 10 F 35V 10 GMK316AB7106KL TR Taiyo Yuden 3216 1206 C11 1 Y1 Capacitor 2200pF Y1 capacitor DE1E3KX222MB4BP01F Murata C13 1 Electrolytic 1000uF 25V 20 25ZLJ1000M10X20 Ru...

Page 4: ...osaka http www alphatrans jp Product XE2145A AlphaTrans Corp Bobin EI 2506 10PIN Core EE25 20 JSF Figure 4 Connection Diagram Figure 5 Winding structure diagram Table 3 Alpha Trans XE2145A Winding Sp...

Page 5: ...5 20 2018 ROHM Co Ltd No 60UG092E Rev 001 JULY 2018 User s Guide BM2P0161 EVK 003 PCB Size 55 mm x 91 mm Figure 4 Top Silkscreen Top view Figure 5 Bottom Layout Top view...

Page 6: ...tage Range VCC 8 9 V 26 0 V DRAIN 650 V Max Circuit Current ON BM2P0161 0 90 mA Typ BM2P0361 0 65 mA Typ Circuit Current Burst mode 0 30 mA Typ Operating Temperature 40 C 105 C Maximum Junction Temper...

Page 7: ...along with Fly back voltage VOR VOR VO VOR 650V 1 3 max 1 3 Safety margin Please check yourself Duty VOR 650 1 3 380 120 Figure 10 MOSFET Drain Source Voltage Vds Confirmation of Np Ns and Duty max VO...

Page 8: ...wave form touch to GND at the same time primary coil current grow up from GND DCM Dis continuous Current Mode Primary MOSFET turn ON timing has some interval after secondary coil discharge Coil curre...

Page 9: ...s selected EE25 Table 5 Output Power vs transformer core size above table is one of reference please confirmation to transformer manufacturer 1 5 Calculate of primary wiring turn Np The maximum rating...

Page 10: ...e ratings and VCC OVP voltage Transformer parameter of this section result Table 6 Transformer parameter table Core PC47EE25 19 compatible Lp 830 H Np 77 turns Ns 14 turns Nd 18 turns 2 Selection of i...

Page 11: ...ent it maximum value is around 15mA When D2_Vf 1V reverse voltage applied to the VCC diode Vdr VCC max Vf VIN max X This IC has VCC OVP function VCC OVP max 29 0V Reverse voltage of the diode is set s...

Page 12: ...may occur during the instant when the MOSFET is switched from ON to OFF This surge voltage is applied between the MOSFET s Drain and Source so in the worst case damage to MOSFET might occur RCD snubb...

Page 13: ...ith consideration of margins 87 0 7 124V 150V Also diode loss approximate value becomes Pd Vf x Iout 1 0V x 2A 2 0W This board is used schottky barrier diode RB088BGE 150 150V 10A TO 252 package Using...

Page 14: ...ormal When Shunt regulator IC2 Vref 2 495V Vo u1 10 11 12 v Vref u1 33k 5 6k 109 v 2 495V 12 1257V 2 11 Parts for adjustment of control circuit R15 C16 R13 R14 R15 and C11 are parts for phase compensa...

Page 15: ...OUT vs PLOSS 10 8 11 2 11 6 12 0 12 4 12 8 13 2 0 1000 2000 3000 Output Voltage V Output Current mA VIN 90Vac VIN 115Vac VIN 230Vac VIN 264Vac 0 10 20 30 40 50 60 70 80 90 100 0 500 1000 1500 2000 Eff...

Page 16: ...2 132 20 88 12 096 1500 18 14 2 736 86 90 132 23 76 12 094 1700 20 56 3 200 86 53 132 27 99 12 090 2000 24 18 3 810 86 39 132 35 13 12 084 2500 30 21 4 920 85 99 132 OLP 0 000 2500 VIN Vac PIN W VOUT...

Page 17: ...T vs IpPEAK Figure 22 Primary Peak Current IOUT vs IsPEAK 0 10 20 30 40 50 60 70 0 500 1000 1500 2000 Switching Frequency kHz Output Current mA VIN 115Vac VIN 230Vac 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0...

Page 18: ...A Figure 24 VIN 90Vac Output Short Figure 25 VIN 115Vac IOUT 2A Figure 26 VIN 115Vac Output Short Figure 27 VIN 230Vac IOUT 2A Figure 28 VIN 230Vac Output Short Figure 29 VIN 264Vac IOUT 2A Figure 30...

Page 19: ...T 10mA to 1500mA Figure 34 VIN 230Vac IOUT 10mA to 1500mA Output ripple Voltage Figure 35 VIN 115Vac IOUT 2A Figure 36 VIN 230Vac IOUT 2A CH4 Green AC Input Voltage CH1 Yellow VCC Voltage CH3 Purple O...

Page 20: ...c VIN 230Vac IOUT 1 5A IOUT 2A IOUT 1 5A IOUT 2A BM2P0161 65 3 C 82 3 C 68 1 C 71 5 C Transformer 58 1 C 72 3 C 66 6 C 73 4 C 2Nd Diode 68 7 C 80 6 C 68 6 C 78 4 C Diode bridge 62 3 C 70 4 C 44 5 C 48...

Page 21: ...ch technical 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...

Page 22: ...and 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 board In addition as mentioned ab...

Page 23: ...ADP1714 3 3 EVALZ ADP1715 3 3 EVALZ ADP1716 2 5 EVALZ ADP1740 1 5 EVALZ ADP1752 1 5 EVALZ ADP1828LC EVALZ ADP1870 0 3 EVALZ ADP1871 0 6 EVALZ ADP1873 0 6 EVALZ ADP1874 0 3 EVALZ ADP1882 1 0 EVALZ ADP...

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