X4 Power supply input

  • Updated on Jul 4, 2024
  • Published on Jul 4, 2024
  • 1 minute(s) read
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The following connector is required:

  • Würth Elektronik 691 317 710 004

The following counterpart is required:

  • Würth Elektronik 691 352 710 004

pin

name

description

1

V_IN

power supply voltage

2

V_IN

power supply voltage

3

GND_IN

0 V (Ground)

4

GND_IN

0 V (Ground)

The pins 1,2 and 3,4 are connected in the inside of the XLC4 control unit. For low current applications a single power supply pair can be used.

Supply voltage

name

description

min

nominal

max

V_IN

supply voltage

12.6 V

26.4 V

V_IN

supply voltage with Corona II

21.6 V

26.4 V

V_ANODE – V_IN

voltage difference (output to input)

5.0 V

≥ 7.0 V

25.0 V

For optimized performance of the XLC4 control unit adapt the power supply voltage to the properties of the connected LED modules.

The input current depends on the following values:

  • V_IN

  • voltage of the connected LED modules

  • current of the connected LED modules

  • internal consumption

  • current at VOUT

Internal consumption:

  • < 100 mA @ 26.8 V

  • < 130 mA @ 12.0 V

Voltage difference

A smaller voltage difference between V_ANODE and V_IN results in much lower internal power dissipation and in higher efficiency.

Efficiency of the switching regulator of the XLC4
Measured with Corona II, channel current = 1000 mA, V_ANODE = 38 V

Supply current

Input current IInput = 20 A

The output current of the power supply depends on the following parameters:

  • LED module type

  • number of connected LED modules

  • maximum used output current of the XLC4 control unit

NOTE - Choosing correct supply current

Define the used channels and the desired output current.

used LED output channels

1

2

3

4

maximum used output current [A]

power supply output current [A]

typical

max

typical

max

typical

max

typical

max

0.2

0.4

0.5

0.7

0.9

0.9

1.2

1.2

1.6

0.4

0.7

0.9

1.3

1.7

1.9

2.4

2.5

3.2

0.6

1.0

1.3

2.0

2.5

2.9

3.7

3.8

4.9

0.8

1.4

1.8

2.7

3.4

3.9

5.1

5.2

6.7

1.0

1.8

2.2

3.4

4.3

5.0

6.4

6.6

8.5

1.2

2.1

2.7

4.1

5.3

6.1

7.9

8.0

10.5

1.4

2.5

3.2

4.8

6.3

7.2

9.3

9.6

12.4

1.6

2.9

3.7

5.7

7.3

8.5

10.9

11.3

14.4

1.8

3.3

4.2

6.5

8.3

9.7

12.4

12.9

16.5

Parameters for typical power supply output current:

  • typical forward voltage values for the LED module

  • input voltage = 24 V

Parameters for maximum power supply output current:

  • maximum forward voltage for the LED module

  • input voltage = 21.6 V

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