Datasheet

19Atmel LED Driver-MSL2100

ANDADDRESS

POWER-UP CONDITION

REGIASTERS INITIALIZED FROM EEPROM

D7 D6 D5 D4 D3 D2 D1 D0 HEX

0x20

0x27

PHDLY0

thru

PHDLY7

All string phase delays set to zero processed GSC cycles 0 0 0 0 0 0 0 0 00

0x30

0x37

PWM0

thru

PWM7

All strings PWM settings equal 48 processed GSC cycles 0 0 1 1 0 0 0 0 30

0x40

GSCMAX Maximum GSC pulse count is 0

0 0 0 0 0 0 0 0 00

0x41 0 0 0 0 0 0 0 0 00

0x42

PHIMIN Minimum PHI pulse count is 0

0 0 0 0 0 0 0 0 00

0x43 0 0 0 0 0 0 0 0 00

0x47 FAULTEN Fault detection is enabled for all strings 1 1 1 1 1 1 1 1 FF

0x50 FBOCTRL0

Current source error conrmation delay is 4µs

FBOn power supply settling time allowance is 8ms

Efciency Optimizer auto recalibration delay is 1s

Efciency Optimizer gives three steps for headroom

0 0 0 0 1 1 0 0 0C

0x51 FBOCTRL1

Current source error detection enabled

Auto recalibration disabled

String short circuit conrmation delay is 4µs

0 0 0 0 0 0 0 0 00

0x90 E2ADDR User EEPROM 7-bit address = 0x00 0 0 0 0 0 0 0 0 00

0x91 E2CTRLSTA User EEPROM read/write disabled 0 0 0 0 0 0 0 0 00

Atmel LED Driver-MSL2100

8-string, High-power, White or RGB LED Drivers for TVs,

Monitors, or Intelligent Solid-state Lighting