Inhaltsverzeichnis
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Verfügbare Sprachen
Verfügbare Sprachen
GRUNDIG Service
Chassisplatte / Chassis Board – FRC-Netzteil
R3400
6.2K
2150mA
R3403
66.5K
IC3400
L3402
2
VCC24V
VIN
3
EN HI<>1.25V
60R
EN
6
3A
COMP
4
C3404
C3405
SS
R3408
10UF
100NF
30.9K
C3412
C3413
C3414
10NF
1NF
10PF
R3411
10K*4
VCC12V
IC3402
TPS54226ARGTR
L3403
13
VCC12V
VIN1
14
VIN2
15
60R3A
C3420
VCC
10UF
6
EN
EN_0V95
5
PG
2
R3412
100K
VREG5
3
SS
4
GND
C3425
C3426
1UF
10NF
L3405
Please make sure 5V is Off when no VIN.
VCC12V
IC3403
TPS51363RVER
C3427
C3428
C3429
60R3A
15
VIN
10UF
10UF
10UF
16
VIN
17
VIN
EN_0V95
28
EN
C3436
R3423
100K
1
PGOOD
10NF
18
V5
3
MODE
TP26
20
VCC5V
TRIP
21
SLEW
C3438
C3437
2
NU
1UF
10NF
27
NU
4
NC
Please make sure Rtot Vref to GND is >67kOhm.
Vo=(2/(Rtop+Rbotsum))*Rbotsum
L3407
VCC12V
IC3404
C3441
TPS54326ARGTR
60R3A
10UF
13
TP27
VIN1
14
VIN2
15
VCC
EN_1v5
6
EN
5
MR_SOC
PG
2
VREG5
3
R3439
100K
SS
PGND2
4
GND
PGND1
R3440
C3445
C3446
VCC12V
1UF
10NF
10K*4
§
≥
REFIN
1
+
2.3V
UVLO
Dchg
VIN
10
+
Gm
REF
VOSNS
5
+
Dchg
VTT
ENVTT
EN
7
Gm
REFINOK
GND
8
+
Startup
Delay
TPS51200
+
EN
165°C Thermal
Shutdown
1µA
3µA
Shutdown
Shutdown
TPS54531
Logic
1.25V
Enable
Enable
Comparator
Threshold
Error
ECO-MODE™
Amplifier
Minimum Clamp
VSENSE
Gate
gm = 92µA/V
PWM
Drive
DC gain = 800V/V
Comparator
BW = 2.7MHz
Logic
0.8V
Slope
SS
Reference
Compensation
2k
Shut
VSENSE
Frequency Shift
Discharge
down
Logic
Maximum Clamp
COMP
26
R3402
C3400
L3401
TPS54531
100NF
10UH
30.9K
TP22
1
BOOT
8
PH
5
VSENS
7
R3405
GND
2.7K
D3400
STPS340U
R3406
6.2K
C3419
27
100NF
12
VBST
L3404
11
SW3
10
3.3UH2A
C3421
C3422
SW2
9
SW1
10UF
10UF
16
VO
1
C3424
VFB
8
PGND2
R3413
7
47PF
PGND1
9.1K
R3414
R3415
2.7K
0R
Please make sure Vout is adjusted to 0.95V
C3430
R3416
R3417
5
100NF
0R
BST
L3406
0R
6
SW
7
0.9UH7.8A
SW
8
C3431
C3432
SW
28
9
SW
22UF
22UF
22
VSNS
26
R3427
VREF
R3424
R3426
25
56K
30.9K
REFIN
R3429
24
20K
REFIN2
FB_CONTROL_1
C3439
100NF
R3428
2.7K
FB_CONTROL_0
R3430
6.2K
29
1200mA
C3440
R3432
R3433
VCC1V5_U
100NF
12
0R
6.2K
VBST
11
SW3
L3408
10
SW2
TP28
9
3.3UH2A
SW1
16
C3442
C3443
C3444
VO
1
VFB
8
10UF
10UF
10UF
7
R3442
6.2K
•
REFIN REFIN2
2
VLDOIN
V
-34%
REFIN
Reference
6
REFOUT
Ref.
VREF
Detection
GSNS
EN
Soft-Start
V
+20%
REFIN
SLEW
3
VO
VSNS
+
V
REFIN
4
PGND
9
PGOOD
Phase
Compensation
OCL
TRIP
TRIP
Reference
Detection
Voltage
NOC
+
TPS51363
VIN
Silicon
Bandgap
Temperature
Sensor
Boot Charge
Boot UVLO
BOOT
LM75
2.1V
Curr.
Sense
PWM
Latch
Configurator
Register
R Q
S
PH
80m
Osc.
GND
R3401
VCC_TCON
VCC1V5_U
12V_TCON
VCC1V5_U
4000mA
C3410
C3402
10UF
10UF
TP23
VTT_0.75V_U
C3415
C3416
C3417
10UF
10UF
10UF
Don't assembly this block in 50Hz configuration.
VCC3V3_U
VCC3V3_U
IC3407
900mA
VCC3V3_U
8
VCC
SDA
7
A0
SCL
6
TP24
A1
OS
5
C3450
C3423
A2
GND
10UF
LM75B
R3418
FB_CONTROL_0
0R
VCC3V3_U
T3400A
DMN2004DWK
VCC0V95
6000mA
VCC0V95
TP25
R3419
FB_CONTROL_1
C3433
C3434
C3435
0R
22UF
22UF
22UF
VCC3V3_U
T3401A
FB_VDDC
DMN2004DWK
Rtop = 56k
Vo=(2/(Rtop+Rbotsum))*Rbotsum
VID_1
VID_0 Rbotsum
VDDC
L
L
50.9K
0.95V
L
H
50.9K
0.95V
R3444
0R
H
L
53.6K
0.98V
H
H
59.8K
1.03V
VCC1V5_U
ª
PGOOD
+
+
V
+20%
REFIN
UV
Delay
+
+
OV
V
-8/34%
REFIN
Control Mode
MODE
On-Time
Selection
Control Logic
- On/Off Time
BST
PWM
- Minimum On/Off
+
VIN
- SKIP/FCCM
- OCL/OVP/UVP
- Disharge
Discharge
SW
XCON
t ON
V5
One-
OC
+
Shot
PGND
+
+
ZC
V5OK
4.V/4.0V
5-V UVLO
GND
+V S = 3.0V to 5.5V
8
3
OS
Set Point
16
9-Bit Delta
Comparator W/
Sigma ADC
Hysteresis
16
TOS Set Point
Register
Pointer
T HYST set
Register
Point Register
8
16
8
16
16
1
SDA
2-Wire Interface
SCL
2
7
6
5
4
A0 A1 A2
2 - 26
1K
R3404
C3403
1K
1NF
TPS51200
IC3401
1
10
REFIN
VIN
2
9
R3407
VLDOIN
PGOOD
3
7
R3409
VO
EN
5
6
VOSNS
REFOUT
R3410
C3418
10K
4
8
GND
GND
1NF
Port connections
R3421
FRC_RST
1
I2CS_SCL
FRC_RST
AUX_RST
2
I2CS_SDA
AUX_RST
RST_FB
3
RST_FB
VID_0
4
100R*4
VID_1
Thermal sensor
REF_DDR3
REF_DDR3
I2CS_SDA
Core Power scaling
I2CS_SDA
I2CS_SCL
I2CS_SCL
AUX Reset
R3422
2
V sense =9.71
RSTIN TH=0.6265V
VID_0
FRC_RST
R3434
0R
10K*4
RST_FBAUX_RST
T3400B
R3435
0R
5
VCC3V3_U
IC3405
NC
1
6
RST
VCC1
2
5
VSS
RSTIN
3
4
MR
VCC2
TP29
R3425
2
MAX6720UTSHD3+T
VID_1
10K*4
T3401B
5
TPS54226
TPS54326
-30%
UV
Control logic
VO
1
OV
+20%
1 shot
Ref
SS
XCON
VFB
2
3
VREG5
SS
4
Softstart
SS
SW
ZC
PGND
5
GND
PG
6
Ref
VREG5
-10%
UVLO
VCC
EN
EN
7
UVLO
REF
Ref
Logic
MR
V
1
CC
V
1
CC
V
1
V
2
CC
CC
V
RESET
RESET
REF
V
2
RST
OUTPUT
TIMEOUT
CC
DRIVER
PERIOD
MAX6720
RSTIN
V
1
CC
V
V
REF/2
REF
Chassis KR
VCC_VTT
L3400
60R3A
VCC3V3_U
C3401
1UF
100K
10K
C3411
100NF
VID_0
VID_1
VCC1V5_U
VCC12V
R3436
R3437
NC
NC
2.7K
R3438
26.1K
15.4K NC
C3447
C3448
R3441
NC
NC
NC
1.8K
100NF
100NF
14
VCC
VREG5
13
VIN
12
VBST
11
SW
10
VREG5
9
PGND
8
SW
OCP
PGND
UV
Protection
OV
Logic
TSD
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