Datasheet

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TIMER BLOCK DIAGRAM (TPS61052)
16-bit Prescaler
Safety Timer
Dimming
(DIM)
Timer
Value
(STIM)
30.5Hz
FLASH_SYNC
ENVM
t
STIM
1
0
1
EnableVoltageMode
2MHzCLOCK
EdgeDetect
Start
MODE0
CURRENT REGULATORMODE- TORCH/FLASH ACTIVE
MODE0=LOW
MODE1=HIGH
Duty-CycleGenerator(0.8%...8.6%)
LEDON/OFFCONTROL
0:LEDOFF
1: TORCHCURRENT LEVEL
122Hz
Start
FLASH/Timer
(SFT)
400kW
400kW
MODE1
Time-Out(TO)
Safety Timer Trigger
(STT)
Timer
Value
(DCTIM)
0: TORCHCURRENT LEVEL
1:FLASHCURRENT LEVEL
LEDCURRENT CONTROL
PARAMETER MEASUREMENT INFORMATION
VOUT
AVIN
SW
C
IN
VIN
SW
LED
C
OUT
PGND
PGND
P
P
P
AGND
GPIO
SDA
SCL
I
2
CI/F
FLASH_SYNC
L
2.2µH
10µF
P
TPS6105X
ListOfComponents:
-L =WuerthElektronikWE-PDSSeries
-C =C =TDKC1605X5R0J106MT
IN OUT
TPS61050
TPS61052
SLUS525 – MARCH 2007
8
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