Product Detail

1、SCOPE

This document details the electrical specifications of a Charger

2、INPUT CHARACTERISTICS

2.1 Input Voltage

Nominal Voltage:100-240Vac

 Variation Range:90-264Vac

2.2 Input Frequency

Nominal Frequency:50/60Hz

Variation Frequency:47-63Hz

2.3 Input Current

2Arms max At any input voltage and rated, DC output rated load.

2.4 Inrush Current

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

2.5 Leakage Current

0.25mA Max At 230Vac input.

3、OUTPUT CHARACTERISTICS

3.1 Output current

output Voltage Min.Load Nominal.Load Max.Loa

+43.8Vdc 1.8A 2A 2.2A

3.2 Combined Load/Line Regulation  

output Voltage Min. Voltage Max. Voltage Line.Regulation Load.Regulation

+43.8Vdc +43.6V +44V 3% 5%

3.3 Ripple And Noise

Ripple & Noise: <300mVp-p

The ripple and noise are as follows when measure with Max. Bandwidth of 20MHz and Parallel 10uF/0.1uF,crossed connected at testing point.  

3.4 Turn On Delay Time

3 second Max. At 90Vac input and output Max. Load.

3.5 Rise Time

50mS Max. At 115Vac input and output Max. Load.

3.6 Hold Up Time

5mS Min. At 115Vac input and output Max. Load.

3.7 Overshoot

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

3.8 Standby power

standby powe  ≤0.20W  At 115/230Vac input

3.9  Power factor

power factor >0.9  At 115/230Vac input  and output full. Load.

3.10  Efficiency       

More than  88 %  efficiency  at 100% load  and 115Vac/ 230Vac. input

 (Warm up after 30 minutes) 

3.11  CV Cut off current           

The CV Cut off current  rang  is  0.4A +/- 0.2A  

3.12   Automatic recharge 

Automatic recharge if battery voltage 38.7 +/- 0.3V. Even if the AC plug is continuously 

Connected

3.13  Battery charger  consumpted  current  from  Battery

The  charger  consumed  current  from  battery  less than  0.01A  if the AC plug is not Connected

3.14 Led Instruction

3.15 Battery connected detection

3.16Charging diagram

4、PROTECTION REQUIREMENT

4.1 Short Circuit Protection

The power supply will be auto recovered when short circuit faults remove.

4.2 Over current Protection 

The power supply will be auto recovered when over current faults remove.

4.3 Over Voltage Protection

The power supply will not be auto recovered when faults remove.

5、ENVIRONMENTAL REQUIREMET

5.1 Operating Temperature

The Charger shall be capable of operating normally in any mode without malfunction

happens in the following environmental conditions.

5.1.1 Operating Temperature: 0℃～40℃

5.1.2 Relative Humidity: 20%～95%

5.1.3 Atmospheric Pressure: 70Kpa～106Kpa

5.1.4 Altitude: Sea level to 5000m

5.1.5 Vibration: 1.0G(Acceleration), 5～20～500Hz(Frequency), 30 minutes per cycle f or each axis (X, Y, Z).

5.1.6 Cooling: Natural convection cooling

5.2 Non - Operating

The Charger shall be capable of withstanding the following environmental conditions  extended periods of time, without sustaining electrical or mechanical damage and subsequent operational deficiencies. 

5.2.1 Storage Temperature: -20℃～70℃

5.2.2 Relative Humidity: 20%～95%

5.2.3 Atmospheric Pressure: 70Kpa～106Kpa

5.2.4 Altitude: Sea level to 5000m

5.2.5 Vibration and Shock: The Charger shall be designed to withstand normal t ransportation vibration per MIL–STD-810D, method 514 and procedures X, as it is mounted in the chassis assembly and packed for shipping.

5.2.6 Thermal Shock: +85°C for 1 hour; Low: -40°C for 1 hour,no work, after repeat for 32 times, normal temperature for 2 hours,the appearance and functions must meet the requirements in ambient temperature.

6、INTERNATIONAL STANDARDS

6.1 EMI Standards

The Charger shall meet the radiated and conducted emission requirements for

6.2 EMS Standards

The Charger shall meet the following EMS 

6.2.1 EN61000-4-2 Electrostatic Discharge (ESD)

Static – discharge test by contact or air should be conducted with Static – discharge

teeter, energy storage capacitance of 150pF, and discharge resistance of 330Ω. ±8.0KV air discharge, ±6.0KV contact discharge, Performance Criterion B.

6.2.2 EN61000-4-3 Radiated electromagnetic field(RS)

Radio- frequency Electromagnetic Field Susceptibility Test, RS, 80-1000MHz,3V/m, 80%AM(1KHz), Performance Criterion A

6.2.3 EN61000-4-4 Electrical Fast Transient / Burst (EFT)

Power Line to Line: ±1KV

Performance Criterion B.

6.2.4 EN61000-4-5 Lightning Surge Attachment

Other Standards: 

Lightning Surge voltage of differential and common modes shall be applied across AC 

input lines and across input and frame ground. 

Power Line to Line: ±2.0KV

Line to Ground :   ±1.0KV

Performance Criterion A. 

6.2.5 EN61000-4-6 Conducted Radio Frequency Disturbances (CS) 

CS，0.15-80 MHz，3V / m，80％AM，Conducted Radio Frequency Disturbances Test, CS, 0.15-80 MHz, 3V/m, 80%AM,1KHz, Performance Criterion A. 

6.2.6 EN61000-4-11 Voltage Dips

Short Interruption/Variations Voltage Dips, 30% Reduction-10ms, Performance Criterion B, 

60% Reduction-100ms, Performance Criterion C, 

Voltage Interruptions>95% Reduction-5000ms, Performance Criterion C.

7、MECHANICAL REQUIREMENT

7.1 Enclosure

The power supply size：L147*W58*H33mm

7.2 nput Connector

AC INPUT：ICE C8  type  

7.3 Output Connector Assignment

DC OUTPUT：UL2464  20AWG 1200±30mm

7.4 Drop Test 

1meter height, fall to hardwood 13mm thickness above, 1 time per side, after test, function and safety is ok. 

7.5 Swing Test 

1000 times（go and back as 1 time）120 degree ,with load 500g, 60 times per minute

7.6 Weight

The weight of theCharger shall be 500g(Ref)

8、SAFETY

8.1 Safety Standard 

TheCharger shall be certified under the following international regulatory standards

8.2 Insulation Resistance 

Primary to Secondary 

500VDC 60 second for type test，2 second for production.

>50MΩ(Below at R.H 70%)

>20MΩ(Below at R.H 95%)

Put it into normal temperature & humidity for 24H(Ta:20-30℃,below R.H 70%).

8.3 Dielectric Strength (Hi-Pot) 

Primary to Secondary AC 3000V, ≤10mA 1 minute for type test, AC 3600V, ≤10 mA   3 seconds for product.

9、RELIABILITY AND QUALITY CONTROL 

9.1 MTBF 

When the Charger is operating within the limits of this specification the MTBF shall be at

least 100,000hours at 50℃ (MIL-HDBK-332F). 

9.2 Operating Life

9.3 Burn-In 

The Charger shall withstand a minimum of 4 hours Burn-In test 80%-100% load at 

40℃±5℃ room temperatures, after test, product shall operate normally.