MSL2166-DUR Atmel, MSL2166-DUR Datasheet - Page 9

• Manufacturer Part Number: MSL2166-DUR
• Description: LED Lighting Drivers 16-String LED Driver Mult-PWM Modes 2FO
• Manufacturer: Atmel

Specifications of MSL2166-DUR

• Rohs: yes
• Operating Frequency: 20 MHz
• Maximum Supply Current: 350 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-64

PIN #
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
EP
MSL2166
PWM
G11
D11
G12
D12
G13
D13
G14
D14
G15
D15
GSC
VDD
S12
S13
S14
S15
VCC
PHI
EN
S0
G0
D0
S1
G1
D1
S2
G2
D2
S3
G3
D3
S4
V
EP
IN
MSL2164 PIN DESCRIPTION
PWM
GSC
VDD
G11
D11
S12
G12
D12
S13
G13
D13
S14
G14
D14
S15
G15
D15
VCC
PHI
EN
S0
G0
D0
S1
G1
D1
S2
G2
D2
S3
G3
D3
S4
V
EP
IN
Gate Output 11: External MOSFET Gate Drive Output for LED string 11. Connect G11 to the gate of the external MOSFET driving LED string 11. If unused, leave G11 unconnected.
Drain Sense Input 11: External MOSFET Drain Sense Input for LED string 11. Connect D11 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 11. If
unused, connect D11 to ground.
Source Sense Input 12 : Source and Current Sense Input for LED string 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 is reached when 500mV is across the current sense resistor. If unused, connect S12 to ground.
Gate Output 12: External MOSFET Gate Drive Output for LED string 12. Connect G12 to the gate of the external MOSFET driving LED string 12. If unused, leave G12 unconnected.
Drain Sense Input 12: External MOSFET Drain Sense Input for LED string 12. Connect D12 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 12. If
unused, connect D12 to ground.
Source Sense Input 13 : Source and Current Sense Input for LED string 13. Connect S13 to the source of the external MOSFET and to the current sense resistor for LED string 13.
The full scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S13 to ground.
Gate Output 13: External MOSFET Gate Drive Output for LED string 13. Connect G13 to the gate of the external MOSFET driving LED string 13. If unused, leave G13 unconnected.
Drain Sense Input 13: External MOSFET Drain Sense Input for LED string 13. Connect D13 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 13. If
unused, connect D13 to ground.
Source Sense Input 14 : Source and Current Sense Input for LED string 14. Connect S14 to the source of the external MOSFET and to the current sense resistor for LED string 14.
The full scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S14 to ground.
Gate Output 14: External MOSFET Gate Drive Output for LED string 14. Connect G14 to the gate of the external MOSFET driving LED string 14. If unused, leave G14 unconnected.
Drain Sense Input 14: External MOSFET Drain Sense Input for LED string 14. Connect D14 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 14. If
unused, connect D14 to ground.
Source Sense Input 15 : Source and Current Sense Input for LED string 15. Connect S15 to the source of the external MOSFET and to the current sense resistor for LED string 15.
The full scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S15 to ground.
Gate Output 15: External MOSFET Gate Drive Output for LED string 15. Connect G15 to the gate of the external MOSFET driving LED string 15. If unused, leave G15 unconnected.
Drain Sense Input 15: External MOSFET Drain Sense Input for LED string 15. Connect D15 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 15. If
unused, connect D15 to ground.
5V internal LDO Regulator Output: VCC is the 5V source that powers internal circuits. Bypass VCC to GND with a 4.7µF or greater ceramic capacitor placed close to the MSL2164/
MSL2166.
Phase Synchronization Input: Drive PHI with an external signal from 40Hz to 10kHz to synchronize the MSL2164/MSL2166’s internal PWM dimming to the external signal. In video
systems drive PHI with VSYNC.
Gate Shift Clock Input: Drive GSC with the gate shift clock of the video signal, from the PHI frequency up to 1.5MHz. In video systems drive GSC with HSYNC.
PWM Input: Pulse-Width modulation control input. Drive PWM with a pulse-width modulated signal with duty cycle ranging from 0% to 100% and frequency up to 5kHz.
Enable (On/Off) Control Input: Drive EN high to turn on the MSL2164/MSL2166, drive EN low to turn it off. For automatic startup connect EN to V
MSL2164/MSL2166 and initiates a boot load of the EEPROM data into the control registers.
Supply Voltage Input: Connect a 12V ±10% supply to VIN. Bypass VIN to GND with a 10µF ceramic capacitor placed close to VIN.
2.5V internal LDO Regulator Output: VDD is the 2.5V source that powers internal logic. Bypass VDD to GND with a 4.7µF ceramic capacitor placed close to the MSL2164/MSL2166.
Source Sense Input 0: Source and Current Sense Input for LED string0. Connect S0 to the source of the external MOSFET and to the current sense resistor for LED string 0. The full
scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S0 to ground.
Gate Output 0: External MOSFET Gate Drive Output for LED string 0. Connect G0 to the gate of the external MOSFET driving LED string 0. If unused, leave G0 unconnected.
Drain Sense Input 0: External MOSFET Drain Sense Input for LED string 0. Connect D0 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 0. If unused,
connect D0 to ground.
Source Sense Input 1: Source and Current Sense Input for LED string1. Connect S1 to the source of the external MOSFET and to the current sense resistor for LED string 1. The full
scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S1 to ground.
Gate Output 1: External MOSFET Gate Drive Output for LED string 1. Connect G1 to the gate of the external MOSFET driving LED string 1. If unused, leave G1 unconnected.
Drain Sense Input 1: External MOSFET Drain Sense Input for LED string 1. Connect D1 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 1. If unused,
connect D1 to ground.
Source Sense Input 2: Source and Current Sense Input for LED string 2. Connect S2 to the source of the external MOSFET and to the current sense resistor for LED string 2. The full
scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S2 to ground.
Gate Output 2: External MOSFET Gate Drive Output for LED string 2. Connect G2 to the gate of the external MOSFET driving LED string 2. If unused, leave G2 unconnected.
Drain Sense Input 2: External MOSFET Drain Sense Input for LED string 2. Connect D2 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 2. If unused,
connect D2 to ground.
Source Sense Input 3: Source and Current Sense Input for LED string 3. Connect S3 to the source of the external MOSFET and to the current sense resistor for LED string 3. The full
scale LED current is reached when 500mV is across the current sense resistor. If unused, connect S3 to ground.
Gate Output 3: External MOSFET Gate Drive Output for LED string 3. Connect G3 to the gate of the external MOSFET driving LED string 3. If unused, leave G3 unconnected.
Drain Sense Input 3: External MOSFET Drain Sense Input for LED string 3. Connect D3 through a 10MΩ resistor to the drain of the external MOSFET driving LED string 3. If unused,
connect D3 to ground.
Source and Current Sense Input for LED string 4. Connect S4 to the source of the external MOSFET and to the current sense resistor for LED string 4. The full scale LED current is
reached when 500mV is across the current sense resistor. If unused, connect S4 to ground.
Exposed Paddle, Power Ground : EP is the exposed die attach paddle which acts as a low thermal resistance path for the die and as power ground. Connect EP to system ground, and
to GND using short, wide traces.
Atmel LED Drivers MSL2164/MSL2166
LCD TVs with Advanced Dimming Modes
16-String High-Efficiency LED Drivers for
IN
. Driving EN low-to-high turns on the