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Dc Power Supply 12v 2A 5V 20A switching power supply pcb design

TPT120D0512A-ABS


Power supply type: bare board

Output power: 120W

Output type (single or multiple groups?): Multiple groups

Input voltage: 100V~264VAC

Input frequency: 47~63Hz

Output voltage/current: 12V/2A 5V/20A

Output voltage accuracy: CEM-1

Mean time between failures: at least 100,000 hours

Protection: over power, short circuit, over current

Efficiency: 80%

Inrush current: cold start 80A/230VAC

Working temperature: -5~+40°C

Warranty period: 2 years


Product Detail

一. SCOPE:

1.  This specification define the performance and characteristics ,This specification define world wide safety requirements and manufactures process test requirements.

2.  Production design philosophy. 

3. Overload Latch-Off protection during either (a) specified power threshold requirements or (b) short circuit condition.

4.Reliability level of 50K hours MTBF & 0.5% annual field failure rate @ 25 C.

5.  DC output voltage must be Safe Extra Low Voltage (SELV) & Limited Power

二. POWER SUPPLY OVERVIEW 

1.  INPUT CHARACTERISTICS:

(1) Input Voltage 

Input Voltage Range:100Vac-264Vac

Nominal Voltage Range:110Vac-240Vac

(2)  Input Frequency  :

Nominal Frequency :   50/60Hz.

Variation Frequency  : 47/63Hz

(3)  Max. Input Curren:

2.0Arms max At any input voltage and rated. DC output rated load

(4)  Inrush Current:

60 Amps Max. Cold start at 240Vac input, with rated load and 25℃ ambient.

(5) Ac Leakage Current:

0.25 mA Max. At 240Vac input.

2. OUTPUT CHARACTERISTICS:

(1) Output Power;

Voltage Max. Load

+5V 20A

+12V 2A

(2) Combined Load/Line Regulation:

Voltage Line Regulation Load Regulation

+5V ±5% ±5%

+12V ±5% ±5%

(3) Ripple And Noise: Input: 100-240Vac 50/60Hz

Voltage Ripple And Noise(Max.)

+5V 300mVp-p

+12V 120mVp-p

The ripple and noise are as follows when measured with Max. Bandwidth of 20MHz and Parallel 47uF/0.1uF,crossed connected at testing point.

Test conditions: Under normal working conditions of any load, use an oscilloscope with a bandwidth of 20MHz to connect to the output terminal of the charger, while the output terminal is connected in parallel with a 47uF electrolytic capacitor and a 0.1uF ceramic capacitor.

(4)  Rise Time:

Output Voltage        100Vac&Full Load       240Vac&Full Load

+5V      100ms      100ms  

+12V    100ms      100ms

 (5)  Hold Up Time:

Output Voltage        100Vac&Full Load       240Vac&Full Load

+5V        5ms       5ms   

+12V      5ms      5ms  

(6)  Overshoot<过冲>:

10% Max. When power supply at turn on or turn off.

(7)  Short-Circuit Protection  

At normal load short output (±5V或±12V)circuit ,power supply will not be damaged .When shortcircuit is removed , the power supply shall can operate normally

三. SAFETY

1. Insulation resistance:

Input To Output:DC500V 50MQ min(at room temperature)

Input To FG:DC500V 50MQ min(at room temperature)

Output To FG: Non Isolated

2.  Insulation pressure-proof :

Input To Output:    3000Vac 50Hz 1minute≤10mA

Input To FG: DC500V 50MQ min(at room temperature)

Output To FG: Non Isolated

3. Safety standard:

CE/CB: IEC60065:2001(Seventh Edition)+A1:2005+A2:2010

UL: UL60065

CCC/CQC: GB8898-2011

4. EMC Standard

CE/CB:

EN55013:2001+A1:2003+A2:2006: Limits and methods of measurement of radio disturbance characteristics of broadcast receivers equipment

EN55020:2002+A1:2003+A2:2005: sound and television broadcast receivers and associated equipment-immunity Characteristics-Limits and methods of measurement

UL:

FCC Rules and Regulations Part15 Subpart B classB August 2008 & FCC/ANSIC63.4 -2003

CQC/CCC

GB13837-2012 (IEC/CISPR 13:2009, MOD) "Sound and TV broadcast receivers and related equipment radio disturbance characteristics, limits and measurement methods"

GB17625.1-2012 (IEC 61000-3-2:2009, IDT) "Electromagnetic Compatibility Limit, Harmonic Current Emission Limit (Equipment Input Current ≤16A)"

四. ENVIRONMENTAL REQUIREMET :

1.Temperature:

Operating Temperature: -10℃- 40℃,。

Storage Temperature:    -20℃  to  85℃

2.Relative Humidity:

Operating: From 10% to 90% relative humidity (non-condensing)

Non-operating: From 5% to 95% relative humidity (non-condensing)

3Altitude

Operating:  to 5000m

Non-operating:to5000m

4.  Cooling Method:

Convection air

5.  Burn-in

All power supplies shall be subjected to the burn-in process at 40C  in a temperature controlled environment.

(1)Burn-in criterion shall be as follower :

(2)Input Voltage :100Vac-240Vac

(3)Temperature condition: 40C

(4)Load condition : (5V/16A,12V/1.6A) ,

(5)Burn-in Time : 4 Hours,

6. Vibration :

(1)  Operating: IEC 721-3-3 3M3

Test standard: International Electrotechnical and Electronics Commission

5~9Hz, A=1.5mm Acceleration: 9~200Hz, Acceleration 5m/s2

(2) Transportation:

Operating: IEC 721-3-2

2M25-9Hz, A=3.5mm

9~200Hz, acceleration: Acceleration=5m/S2

200~500Hz, acceleration: Acceleration=15m/S2

(3) Axes, 10 cycles per axis.

No permanent damage may occur during testing.

The product has to restore to its original situation after power on/off

Five. MECHANICAL:

1. Dimension: L:150*W:90

2. Input Connector:

This Input Connector is 2pin/3.96VH

3. Output-jack:

This Output Connector is 2pin*9A

This Output Connector is 3pin

4. Enclosure: Open-Frame

Dc Power Supply 12v 2A 5V 20A switching power supply pcb design(图1)
Dc Power Supply 12v 2A 5V 20A switching power supply pcb design(图2)
Dc Power Supply 12v 2A 5V 20A switching power supply pcb design(图3)
Dc Power Supply 12v 2A 5V 20A switching power supply pcb design(图4)