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9
Schematic
Figure 11.
uC supply
DECOUPLING ARE IMPLEMENTED FOR EVERY POWER PIN
BALLAST CIRCUITRY
FB Default res is tor 0 ohm
the rma l pla ne ,
powe r 2W/3W
LEGEND
NORMAL TRACE
50 OHM TRACE
50 OHM SAME LENGHT TRACE
AS SHORT AS POSSIBLE TRACE
AGND
GND
VS S _OS C
AGND
AGND
AGND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VS S _OS C
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
MB_3.3V_S R
3.3V_S R
3.3V_S R
3.3V
MB_5.0V_S R
5.0V_EXT
5.0V_S R
5.0V_S R
5.0V_ADC
MB_5.0V_LR
5.0V_ADV
5.0V_ADV
BCTRL
BCTRL
3.3V_ADC
1.2V
MB_1.25V_S R
1.2V_S R
1.2V_S R
5.0V_EXT
3.3V_ADC
5.0V_ADC
3.3V_S R
5.0V_EXT
VDD_LV
VDD_LV
VDD_LV_P LL
VDD_LV_P LL
VDD_HV_IO_MAIN
VDD_HV_IO_MAIN
5.0V_S R
VDD_HV_IO_ETH0_P
3.3V_S R
C67
10nF
50V
C42
100nF
50V
C30
10nF
50V
C81
2.2uF
16V
J 4
S TRIP 3P MD-2MM
1
2
3
C16
10nF
50V
R1
0R
C11
10nF
50V
C26
10nF
50V
C35
10nF
50V
C4
10nF
50V
R3
0R
C60
47nF
50V
C72
4.7uF
C65
2.2uF
16V
C82
47nF
50V
C27
4.7uF
16V
C46
10nF
50V
J 13
S TRIP 3P MD-2MM
1
2
3
C59
2.2uF
16V
R2
0R
C83
10nF
50V
C25
100nF
50V
C73
4.7uF
J 2
S TRIP 20P MD-2MM
1
2
3
C34
100nF
50V
C44
4.7uF
16V
C80
DNM
J 1
S TRIP 3P MD-2MM
1
2
3
C31
4.7uF
16V
C61
10nF
50V
C33
4.7uF
16V
L2
220R
C12
1uF
50V
J 3
S TRIP 20P MD-2MM
1
2
3
C69
47nF
50V
C54
47nF
50V
C75
DNM
J 11
S TRIP 3P MD-2MM
1
2
3
C29
10nF
50V
C45
100nF
50V
J 10
S TRIP 3P MD-2MM
1
2
3
C68
2.2uF
16V
J 6
S TRIP 20P MD-2MM
1
2
3
C19
100nF
50V
J 7
S TRIP 2P MD-2MM
1
2
J 5
S TRIP 2P MD-2MM
1
2
C36
4.7uF
16V
C76
DNM
J 9
S TRIP 2P MD-2MM
1
2
LD3
Gre e n
C9
10nF
50V
C53
2.2uF
16V
C21
10nF
50V
C13
10nF
50V
C63
47nF
50V
C32
10nF
50V
Q1
NJ D2873T4G
D-P AK
CN1
2V1P
1
1
2
2
C28
100nF
50V
C55
10nF
50V
C70
10nF
50V
J 40
S TRIP 3P MD+2P M-2MM
2
3
1
5
4
R66 180R
C49
10nF
50V
C5
2.2uF
16V
C38
10nF
50V
C8
100nF
50V
C62
2.2uF
16V
C78
2.2uF
16V
J 14
S TRIP 20P MD-2MM
1
2
3
C74
4.7uF
C20
100nF
50V
C47
4.7uF
16V
C51
47nF
50V
C79
DNM
C7
10nF
50V
C64
10nF
50V
C57
47nF
50V
C15
47nF
50V
S ocke t FBGA
U1B
VDD_HV_ADR_S
AA7
VDD_HV_ADV
AA6
VDD_HV_FLA
E17
VDD_HV_FLA
F16
VDD_HV_IO_EMMC
W11
VDD_HV_IO_EMMC
W12
VDD_HV_IO_ETH0
E6
VDD_HV_IO_ETH1
L19
VDD_HV_IO_ETH1
M19
VDD_HV_IO_MAIN
B20
VDD_HV_IO_MAIN
B3
VDD_HV_IO_MAIN
C19
VDD_HV_IO_MAIN
C4
VDD_HV_IO_MAIN
W20
VDD_HV_IO_MAIN
Y21
VDD_HV_OS C
P 21
VDD_LV
H14
VDD_LV
J 15
VDD_LV
L15
VDD_LV
M15
VDD_LV
P 8
VDD_LV
R14
VDD_LV
R9
VDD_LV_P LL
P 15
VS S _HV
A1
VS S _HV
A22
VS S _HV
AA21
VS S _HV
AB1
VS S _HV
AB22
VS S _HV
B21
VS S _HV
C20
VS S _HV
C3
VS S _HV
E18
VS S _HV
E5
VS S _HV
F17
VS S _HV
F6
VS S _HV
M4
VS S _HV
U17
VS S _HV
V18
VS S _HV
Y20
VS S _HV_ADR_S
AA8
VS S _HV_ADV
AA5
VS S _HV_OS C
M21
VS S _LV
H10
VS S _LV
H11
VS S _LV
H12
VS S _LV
H13
VS S _LV
J 10
VS S _LV
J 11
VS S _LV
J 12
VS S _LV
J 13
VS S _LV
K11
VS S _LV
K12
VS S _LV
K14
VS S _LV
K15
VS S _LV
K8
VS S _LV
K9
VS S _LV
L10
VS S _LV
L11
VS S _LV
L12
VS S _LV
L13
VS S _LV
L14
VS S _LV
L9
VS S _LV
M10
VS S _LV
M11
VS S _LV
M12
VS S _LV
M13
VS S _LV
M14
VS S _LV
M9
VS S _LV
N11
VS S _LV
N12
VS S _LV
N14
VS S _LV
N15
VS S _LV
N8
VS S _LV
N9
VS S _LV
P 10
VS S _LV
P 11
VS S _LV
P 12
VS S _LV
P 13
VS S _LV
R10
VS S _LV
R13
B
C
T
R
L
P
2
0
C37
100nF
50V
C48
100nF
50V
C1
100nF
50V
C23
4.7uF
16V
C6
100nF
50V
C41
4.7uF
16V
C17
4.7uF
16V
R65
0R
C10
1uF
50V
C56
2.2uF
16V
C50
2.2uF
16V
J 8
S TRIP 3P MD-2MM
1
2
3
J 12
S TRIP 2P MD-2MM
1
2
C2
100nF
50V
C71
4.7uF
C14
2.2uF
16V
C43
10nF
50V
C40
10nF
50V
C66
47nF
50V
C24
4.7uF
16V
R4
DNM
C58
10nF
50V
C18
100nF
50V
C3
10nF
50V
L1
220R
C52
10nF
50V
C22
4.7uF
16V
FB1
0R
C39
100nF
50V
C77
2.2uF
16V
VDD_HV_FLA_P
VDD_HV_OS C_P
VDD_HV_IO_MAIN_P
VDD_HV_ADR_S _P
VDD_HV_ADV_P
VDD_HV_FLA_P
VDD_LV
VDD_HV_IO_MAIN_P
VDD_HV_IO_ETH1_P
VDD_HV_OS C_P
VDD_HV_IO_EMMC_P
VDD_HV_IO_ETH1_P
VDD_HV_IO_ETH0_P
VDD_LV_P LL
VDD_HV_IO_EMMC_P
VDD_HV_IO_ETH0_P
VDD_HV_ADR_S _P
VDD_HV_ADV_P
UM2789
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Rev 1
page 24
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UM2789
Schematic