Texas Instruments UCD3138 Digital Resonant LLC Converter Evaluation Module UCD3138LLCEVM-028 UCD3138LLCEVM-028 Datenbogen
Produktcode
UCD3138LLCEVM-028
0.312V/A
Primary Current Sense
Output Capacitors
Load current sense
Diode Oring Control
R73 - 74 Bleeder R
's
+V
out Ripple T
est
+VOUT = +12VEXT
Iout = 29A max
SR gate driv
ers
1:1:1
1mV/1A
35A scaled to 1.6V
Output Current Sense
Current Share Compensation
+12V Monitoring and Protection
P
arts not used.
+VIN = 350 to 400VDC.
1
4
2
3
1
1
1
1
Isolation Line
(J2-12)
(J3-11)
(J3-1)
(J3-2)
(J3-13)
(J2-36)
(J2-35)
(J2-14)
(J3-11)
(J3-4)
(J3-3)
(J3-25)
(J2-38)
P
out = 340W max
Pin_max = 340W
(J2-30)
V
oltage F
eedback
(J2-39)
(J2-40, 10)
R
edundant OVP circuit.
J6: short to disable Ext OVP
(J3-11)
(J3-17)
1
2
3,4
5
6
7,8
1
1
1
TP10
R50
124
TP13
R46
1k
D15
BA
T54S
R48
1
TP11
R44
1
TP12
R49
1k
R45
1
TP9
D14
BA
T54S
R51
124
R47
1
HS1
HS2
C43
100pF
T2
Q8
IRLB3036GPbF
Q9
IRLB3036GPbF
Q10
IRLB3036GPbF
Q11
IRLB3036GPbF
C39
2.2nF
C36
15nF
C37
15nF
C38
15nF
C40
15nF
C41
15nF
C42
15nF
HS6
HS4
HS3
HS5
1
2
3
4
5
6
L1
33uH
T3
Q6
SPW20N60CFD
Q7
SPW20N60CFD
J9
TP5
J8
TP6
TP7
C31
1.5uF
+
C30
47uF
R74
1k
C72
47uF
C71
47uF
C70
47uF
C69
47uF
R73
1k
C68
47uF
1
VDD
2
RSET
3
ST
A
T
4
FL
TB
5
OV
6
UV
7
GND
8
GA
TE
9
RSVD
10
C
11
A
12
FL
TR
13
BYP
14
PG
U11
TPS2411PW
R69
10k
R72
10k
R71
100k
R70
549
R66
10k
R67
10
R68
5.11k
C60
10nF
C57
2200pF
C58
100pF
C59
100pF
C61
10nF
J12
J11
Q15
Q14
TP16
TP17
TP20
+
C66
470uF
+
470uF
+
C65
470uF
+
C64
470uF
+
C63
470uF
R75
3m
R77
3m
R76
3m
C62
0.1uF
TP19
TP18
C73
4.7uF
SH2
SH3
SH1
TP14
C45
0.1uF
R58
10k
C44
2.2uF
1
ENBA
2
INA
3
GND
4
INB
5
OUTB
6
VDD
7
OUT
A
8
ENBB
9
PWPD
U9
UCC27424DGN
C52
0.1uF
TP15
R64
10k
1
ENBA
2
INA
3
GND
4
INB
5
OUTB
6
VDD
7
OUT
A
8
ENBB
9
PWPD
U10
UCC27424DGN
C51
2.2uF
C28
2.2uF
C29
0.1uF
C34
2.2uF
1
ENBA
2
INA
3
GND
4
INB
5
OUTB
6
VDD
7
OUT
A
8
ENBB
9
PWPD
U6
UCC27424DGN
1
ENBA
2
INA
3
GND
4
INB
5
OUTB
6
VDD
7
OUT
A
8
ENBB
9
PWPD
U7
UCC27424DGN
R43
10k
R38
10k
R42
5.11k
R40
0
C32
0.1uF
C27
0.1uF
R37
5.11k
D8
R35
0
R39
10
TP4
D10
TP8
D13
C33
2.2uF
R36
10
R41
10
D11
D9
D12
1
2
5
6
9
10
T1
C35
0.1uF
R17
1k
R23
35.7k
R19
35.7k
C13
220pF
3
4
1
2
5
U3
C14
10nF
R22
1k
C11
0.1uF
R18
1k
C15
220pF
C12
0.1uF
R12
1k
R11
R26
10k
R28
1k
C20
2200pF
R27
100
R20
10k
R21
1k
C16
2200pF
R16
100
TP2
TP3
C17
2200pF
R24
10k
R25
1k
R13
549
R15
549
R14
549
D7
R32
20k
R30
100
R33
1k
R29
20k
R31
100
J6
C26
0.1uF
Q5
R34
10k
Q4-
A
Q4-B
SH4
J10
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
IPS
SR1
SR2
SR_VDS1
SR_VDS2
GND_PWR
AGND
HSG
HS
S
LSG
GND_PWR_PRI
GND_PWR_PRI
GND_PWR_PRI
TRP1
TRP2
GND_PWR
BUS+_HV_PRI
VIN_HV_PRI
GND_PWR_PRI
+12V
ORING_CTRL
GND_PWR
DGND
+12VEXT
+12V
DGND
12VS
+12VEXT
12V_R
TN
12VS
SR1
DPWM1A
GND_PWR
GND_PWR
OVLA
T
CH
SR2
DPWM1B
GND_PWR
GND_PWR
DPWM0A
12VS
DPWM0B
GND_PWR
GND_PWR
GND_PWR
OVLA
T
CH
GND_PWR
GND_PWR_PRI
3_3V
A
IO_SENSE
IO_SEN-
IO_SEN+
EADC_IOSENSE
AGND
AGND
AGND
AGND
PWM0
AGND
VOS
ADC12
ORING_GA
TE
+VO_SENSE
-VO_SENSE
AGND
12V_R
TN
AGND
+12VEXT
+12V
ORING_GA
TE
OVLA
T
CH
3_3VD
+12V
DGND
EXT_OVP_DIS
ABLE
Schematics
4
Schematics
Figure 1. UCD3138LLCEVM-028 Schematic (image 1 of 2)
6
Digitally Controlled LLC Resonant Half-Bridge DC-DC Converter
SLUU979A – August 2012 – Revised July 2013
Copyright © 2012–2013, Texas Instruments Incorporated