Datasheet
EAP1
12V_EXT
AD02
AD05
AD06
EAN1
EAN0
DPWM2B
DPWM1B
DPWM0B
DPWM3B
DPWM2A
DPWM1A
DPWM3A
DPWM0A
EAP0
FAULT0
EAN2
EAP2
AD10
AD13
AD12
AD11
AD09
AD08
AD07
AD04
AD03
AD00
AD01
NC
SYNC
PWM_0
PWM_1
TCAP
SCI_TX0
SCI_RX0
INT_EXT
/RESET
SCI_TX1
SCI_RX1
3.3V
DGND
DGND
DGND
DGND
AGND
ADC_EXT
FAULT3
NC
NC
NC
FAULT2
NC
NC
NC
NC
NC
NC
NC
DGND
NC
NC
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
FAULT1
NC
Control Card Connectors (PWR030)
DGND/AGND Damping
DGND Test Point
SCI Interface
V+ = +5.4V
V- = -5.4V
PFC Communication
On/off control
Device Address
I Share Bus
Temperature Sensor
Temperature =
SR body diode conduction detection circuits
Leading edge blanking pulse
External Power Input
Bias power generation
3.3VD LED Indicator
VAUX_P = +12V
VIN_MON=1.93V AT VIN=400V
VIN Operating Range: 300V to 400VDC.
Leading edge blanking pulse
Parts not used.
1
1
1
1
1
1
1
Isolation Line
(J2-22)
(J2-24)
(J2-28)
(J3-24)
(J3-23)
(J3-22)
(J2-8)
(J2-4)
(J3-32)
(J3-31)
(J3-33)
(J3-34)
(J3-15)
(J3-26)
(J3-5)
(J3-6)
159.6 C - TEMP * 85.5 C/V
OFF
ON
12Vp_on
(J2-6, 16)
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
J3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
J2
R5
10
TP1
C24
0.1uF
C22
0.1uF
C23
0.1uF
C25
0.1uF
C21
0.1uF
1
EN
2
C1+
3
V+
4
C1-
5
C2+
6
C2-
7
V-
8
RIN
9
ROUT
10
INVALID
11
DIN
12
FORCEON
13
DOUT
14
GND
15
VCC
16
FORCEOFF
U5
SN65C3221PW
J7
C8
0.1uF
R9 5.11k
SW1
R10
C10
1
2
3
J4
C9
10nF
C18
10nF
C19
10nF
1
NC
2
GND
3
VO
4
V+
5
GND
U4
LM20BIM7
R55
51.1
D19
C47
100pF
R52
1k
R54
3.01k
R57
301
C49
100pF
R53
C48
R56
10k
C46
0.01uF
C50
0.1uF
D16
Q12
D18
D17
1
2
7
5
8
U8-A
D2
BAT54S
R4
301
C7
1uF
R1
1.74k
C2
0.1uF
R2
1
C5
0.1uF
R3
1
C6
0.1uF
C3
2.2uF
C4
0.1uF
C1
0.1uF
1
IN
2
NC
3
NC
4
GND
5
FB/NC
6
NC
7
NC
8
OUT
9
PWPD
U2
TPS715A33DRBR
D1
D3
1
2
3
J1
VIN+
VAUX_P
-VAUX_-VIN
-VIN
GND
VIN_MONITOR
VAUX_S
U1 PWR050
R62
51.1
D23
C54
100pF
R59
1k
R61
3.01k
R65
301
C56
100pF
R60
C55
R63
10k
C53
0.01uF
D20
D21
D22
Q13
3
4
6
U8-B
R7
301
R8
301
Q2
R6
301
Q3
Q1
D6
D4
D5
1
2
3
4
5
6
7
8
9
10
11
J5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
ADDRESS
EADC_IOSENSE
+VO_SENSE
DPWM0A
DPWM1A
OVLATCH
P_GOOD
SCI_TX0
AC_P_FAIL_IN
12VS
DPWM0B
DPWM1B
ON/OFF
AC_P_FAIL_OUT
3_3VD
SCI_RX0
+VO_SENSE
DPWM2A
DPWM2B
SRDET1
SRDET2
-VO_SENSE
IPS
SCI_RX1
VIN_MON
DGND
IO_SENSE
ISHARE
TEMP
PWM0
SCI_TX1
EXT_OVP_DISABLE
VIN_MON
VOSADC12
ORING_CTRL
FAILURE
IO_SEN-
IO_SEN+
AGND
DGND
AGND
3_3VD
DGND
DGND
DGND
SCI_RX1
SCI_TX1
3_3VD
SCI_RX0
SCI_TX0
DGND
AC_P_FAIL_IN
3_3VD
ON/OFF
DGND
ADDRESS
AGND
ISHARE
AGND
TEMP
3_3VA
AGND
3_3VD
SR_VDS1
SRDET1
DPWM2A
AGND
DGND
GND_PWR
DGND
3_3VD
VAUX_P
12VS
3_3VA
VIN_MON
GND_PWR_PRI
GND_PWR
GND_PWR
AGND
DGND
DGND
DGND
AGND
3_3VD
DGND
DGND
BUS+_HV_PRI
3_3VD
SR_VDS2
SRDET2
DPWM2B
AGND
DGND
GND_PWR
AC_P_FAIL_OUT
FAILURE
P_GOOD
3_3VD
DGND
DGND
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Schematics
Figure 2. UCD3138PFCEVM-026 Schematic (image 2 of 2)
7
SLUU979A–August 2012–Revised July 2013 Digitally Controlled LLC Resonant Half-Bridge DC-DC Converter
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