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Part Name
Description
SC5014A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC5014A
High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming
Semtech Corporation
'SC5014A' PDF : 27 Pages
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SC5014A
V
IN
(12-19V)
PGND
V
CC
(5V)
GND
FLT
SCL
SDA
PWM
C1
1 0 µF /2 5 V
x3PCS
R2
75k
Ω
C12
2 .2 µF
R1
10k
Ω
L1
3 .3 µH
D1
DFLS1100
Q1
AON6482
R
CS
50m
Ω
C6
2 .2 µF / 1 0 0 V
x6PCS
Vout up to 70V
R11
787k
Ω
R12
20 WLEDs per channel
10k
Ω
R3
10k
Ω
R15
20k
Ω
VCC
UVLO
EN
OVP
IO1
IO1
FLT
S C 5014A
IO2
SCL
IO2
SDA
PAD
PWM
SCP
R5, 40.2k
Ω
R4
C3
10k
Ω
1 µF
V
IN
R8 R6
25.5k
Ω
250k
Ω
Figure 2— Application Circuit
Example, 20 LED @ 200mA
V
IN
(3-4.2V)
PGND
V
CC
(5V)
GND
L1
C1
10µF /6.3V
x2PCS
R2
13k
Ω
C12
2 .2 µF /1 0 V
R1
10k
Ω
D1
B140
Q1
C6
Si2318
R
CS
100m
Ω
Vout
R11
249k
Ω
R12
5 WLEDs per stringl
10k
Ω
FLT
SCL
SDA
PWM
R3
10k
Ω
R15
20k
Ω
VCC
UVLO
EN
OVP
IO1
IO1
FLT
S C 5014A
IO2
SCL
IO2
SDA
PAD
PWM
SCP
R5, 60.4k
Ω
R4
C3
10k
Ω
1 µF
R8
R6
127k
Ω
100k
Ω
Figure 3— Li-Ion Powered Display Application Circuit Example, 10 LED @ 40mA
20
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