Datasheet

Atmel LED Drivers MSL2164/MSL2166
16-String High-Efciency LED Drivers for
LCD TVs with Advanced Dimming Modes
G0
VIN
MSL2164
MSL2166
STRING DUTY,
PHASE AND
FADE CONTROL
SYSTEM
CONTROLLER
FAULT STATUS
EEPROM
EFFICIENCY OPTIMIZER
LOGIC AND CONTROL
2.5V LDO
REGULATOR
REF
STRING FBO
SELECT AND
FAULT
DETECTION
PHI
GSC
PWM
FLTB
VDD
VDD = 2.5V
MSL2164 Only
FBO3
10-BIT
ISTR DAC
+
-
+
-
G
ND
D0
EN
PWM SIGNALS
STRING
CURRENT
CONTROL
G15
D15
S15
S0
5V LDO
REGULATOR
VCC = 5V
VCC
SPI
INTERFACE
ADDR
SCK
MISO
MOSI
CSB
+
-
+
-
FBO1
FBO2
MSL2166 Only
FBIN1
Block Diagram
FIGURE 2. Block Diagram