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Atmel LED Drivers-MSL2160/MSL2161

Package Pin Descriptions

Table 3. Pin Assignments

PIN

PIN NAME

PIN DESCRIPTION

MSL2161

MSL2160

1

G4

G4

Gate output 4

Gate drive output for external MOSFET 4.

Connect G4 to the gate of the external MOSFET driving LED string 4.

If unused, leave G4 unconnected.

2

D4

D4

Drain sense input 4

Drain sense input for external MOSFET 4.

Connect D4 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 4.

If unused, connect D4 to ground.

3

S5

S5

Source sense input 5

Source sense input for external MOSFET 5.

Connect S5 to the source of the external MOSFET and to the current sense resistor for LED string 5.

The full-scale LED current threshold is reached when 500mV is across the current sense resistor.

If unused, connect S5 to ground.

4

G5

G5

Gate output 5

Gate drive output for external MOSFET 5.

Connect G5 to the gate of the external MOSFET driving LED string 5.

If unused, leave G5 unconnected.

5

D5

D5

Drain sense input 5

Drain sense input for external MOSFET 5.

Connect D5 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 5.

If unused, connect D5 to ground.

6

S6

S6

Source sense input 6

Source sense input for external MOSFET 6.

Connect S6 to the source of the external MOSFET and to the current sense resistor for LED string 6.

The full-scale LED current threshold is reached when 500mV is across the current sense resistor.

If unused, connect S6 to ground.

7

G6

G6

Gate output 6

Gate drive output for external MOSFET 6.

Connect G6 to the gate of the external MOSFET driving LED string 6.

If unused, leave G6 unconnected.

8

D6

D6

Drain sense input 6

Drain sense input for external MOSFET 6.

Connect D6 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 6.

If unused, connect D6 to ground.

9

S7

S7

Source sense input 7

Source sense input for external MOSFET 7.

Connect S7 to the source of the external MOSFET and to the current sense resistor for LED string 7.

The full-scale LED current threshold is reached when 500mV is across the current sense resistor.

If unused, connect S7 to ground.

10

G7

G7

Gate output 7

Gate drive output for external MOSFET 7.

Connect G7 to the gate of the external MOSFET driving LED string 7.

If unused, leave G7 unconnected.