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KITLEDBKLT16EVBE. Datasheet(PDF) 25 Page - Freescale Semiconductor, Inc

Part # KITLEDBKLT16EVBE.
Description  10 Channel LED Backlight Driver with Integrated Power Supply
PDF  37 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

KITLEDBKLT16EVBE. Datasheet(HTML) 25 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
25
34844
TYPICAL APPLICATIONS
LOGIC COMMANDS AND REGISTERS
Figure 9. I2C (Master Mode)
Conditions: VIN = 24 V, VOUT = 47 V, Load = 16S10P, ILED = 60 mA, OVP = 53V, fSW = 300 kHz
Figure 10. I2C (Slave Mode)
Conditions: VIN = 24 V, VOUT = 47 V, Load = 16S10P, ILED = 60 mA, OVP = 53V, fSW = 300 kHz
SDA
SCK
A0SEN_Master
EN_Master
0
0
0
VCC
VOUT
0
VDC1
VDC1
0
0
0
VIN = 24V
0
VDC1
MASTER CK
I2C MODE (Master Mode)
OUTPUT
ISET = 60mA
LED MATRIX (16S10P)
CONTROL UNIT
* FOR I2C MODE - SETI2C bit should be set High.
* FOR SM-BUS MODE - EN pin should be connected to
GND or taken low by the Control Unit.
4.64K
4.64K
100pF
100pF
100K
100K
220pF
220pF
220pF
220pF
2.2uF
2.2uF
220pF
220pF
2.2uF
2.2uF
3.3K
3.3K
10uF
10uF
5.6K
5.6K
4.7uF
4.7uF
220pF
220pF
220pF
220pF
+
30uF
+
30uF
220pF
220pF
U9
MC34844A
U9
MC34844A
VIN
1
VDC1
28
COMP
29
EN
7
CK
24
M/~S
30
PWM
25
SCK
27
SDA
26
A0/SEN
6
ISET
19
PIN
20
NIN
21
SWA
4
SWB
3
VOUT
32
PGNDA
5
PGNDB
2
VDC2
31
FAIL
18
I0
8
I1
9
I2
10
I3
11
I4
12
I5
13
I6
14
I7
15
I8
16
I9
17
VDC3
23
SLOPE
22
GND
33
D533
D533
2
1
47uH
47uH
1
2
+
47uF
+
47uF
4700pF
4700pF
220pF
220pF
220pF
220pF
2.2uF
2.2uF
220pF
220pF
220pF
220pF
1.0K
EN_Slave
SDA
SCK
A0SEN_Slave
0
0
0
VCC
VOUT
0
VDC1
0
0
0
VIN = 24V
0
VDC1
0
MASTER CK
I2C MODE (Slave Mode)
INPUT
ISET = 60mA
LED MATRIX (16S10P)
CONTROL UNIT
* FOR I2C MODE - SETI2C bit should be set High.
* FOR SM-BUS MODE - EN pin should be connected to
GND or taken low by the Control Unit.
220pF
220pF
100pF
100pF
3.3K
3.3K
47uH
47uH
1
2
220pF
220pF
220pF
220pF
220pF
220pF
220pF
220pF
2.2uF
2.2uF
220pF
220pF
+
30uF
+
30uF
D553
D553
2
1
5.6K
5.6K
2.2uF
2.2uF
4.7uF
4.7uF
2.2uF
2.2uF
4.64K
4.64K
4700pF
4700pF
10uF
10uF
220pF
220pF
100K
100K
220pF
220pF
U11
MC34844A
U11
MC34844A
VIN
1
VDC1
28
COMP
29
EN
7
CK
24
M/~S
30
PWM
25
SCK
27
SDA
26
A0/SEN
6
ISET
19
PIN
20
NIN
21
SWA
4
SWB
3
VOUT
32
PGNDA
5
PGNDB
2
VDC2
31
FAIL
18
I0
8
I1
9
I2
10
I3
11
I4
12
I5
13
I6
14
I7
15
I8
16
I9
17
VDC3
23
SLOPE
22
GND
33
220pF
220pF
+
47uF
+
47uF
220pF
220pF
1.0K



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