Datasheet

10 Atmel LED Drivers-MSL2160/MSL2161
Table 3. Pin Assignments
PIN
PIN NAME
PIN DESCRIPTION
MSL2161 MSL2160
24 S9 S9
Source sense input 9
Source sense input for external MOSFET 9.
Connect S9 to the source of the external MOSFET and to the current sense resistor for LED string 9.
The full-scale LED current threshold is reached when 500mV is across the current sense resistor.
If unused, connect S9 to ground.
25 G9 G9
Gate output 9
Gate drive output for external MOSFET 9.
Connect G9 to the gate of the external MOSFET driving LED string 9.
If unused, leave G9 unconnected.
26 D9 D9
Drain sense input 9
Drain sense input for external MOSFET 9.
Connect D9 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 9.
If unused, connect D9 to ground.
27 S10 S10
Source sense input 10
Source sense input for external MOSFET 10.
Connect S10 to the source of the external MOSFET and to the current sense resistor for LED string 10.
The full-scale LED current threshold is reached when 500mV is across the current sense resistor.
If unused, connect S10 to ground.
28 G10 G10
Gate output 10
Gate drive output for external MOSFET 10.
Connect G10 to the gate of the external MOSFET driving LED string 10.
If unused, leave G10 unconnected.
29 D10 D10
Drain sense input 10
Drain sense input for external MOSFET 10.
Connect D10 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 10.
If unused, connect D10 to ground.
30 S11 S11
Source sense input 11
Source sense input for external MOSFET 11.
Connect S11 to the source of the external MOSFET and to the current sense resistor for LED string 11.
The full-scale LED current threshold is reached when 500mV is across the current sense resistor.
If unused, connect S11 to ground.
31 G11 G11
Gate output 11
Gate drive output for external MOSFET 11.
Connect G11 to the gate of the external MOSFET driving LED string 11.
If unused, leave G11 unconnected.
32 D11 D11
Drain sense input 11
Drain sense input for external MOSFET 11.
Connect D11 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 11.
If unused, connect D11 to ground.
33 S12 S12
Source sense input 12
Source sense input for external MOSFET 12.
Connect S12 to the source of the external MOSFET and to the current sense resistor for LED string 12.
The full-scale LED current threshold is reached when 500mV is across the current sense resistor.
If unused, connect S12 to ground.
34 G12 G12
Gate output 12
Gate drive output for external MOSFET 12.
Connect G12 to the gate of the external MOSFET driving LED string 12.
If unused, leave G12 unconnected.