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GPIO(Tx-MASK)
(2V/div)
I
(500mA/div)
LED
I
(500mA/div)
L
V =3.6V,I =2000mA,DIRbit=0,Tx-MASKbit=1,
Torch=150mA /Flash=900mA
I LIM
t-Time=50 s/divm
I
(500mA/div)
LED
I
(500mA/div)
L
V =3.6V,I =2000mA,DIRbit=0,Tx-MASKbit=1,
Torch=150mA /Flash=900mA
I LIM
GPIO(Tx-MASK)
(2V/div)
t-Time=10 s/divm
I
(1
A/div)
LED
FLASH_SYNC
(2V/div)
V
(500mV/div-4.5VOffset)
OUT
T =65°C
J
T =25°C
J
V =3.3Vat900mA,
I =0mA (Torch)to900mA (Flash)
F(LED)
LED
V =4.2V,I =2000mA,
I =-100 A,T =25°C
I LIM
GPIO
m
A
GPIOVoltage
(20mV/div--0.41VOffset)
t-Time=100ms/div
SCL
(2V/div)
I
(50mA/div)
L
I
(50mA/div)
LED
ACK
V =3.6V,I =2000mA,
Torch=75mA
I LIM
t-Time=200 s/divm
TPS61050
TPS61052
SLUS525 – MARCH 2007
TX-MASKING OPERATION TX-MASKING OPERATION
Figure 26. Figure 27.
JUNCTION TEMPERATURE MONITORING START-UP IN TORCH OPERATION
Figure 28. Figure 29.
15
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