Application/Test Circuit
2.5V
7
FBKOUT1
FBKGND1
C
FB
150pF
*R
FBB
1.10K
Ω
*R
FBB
1.10K
Ω
*R
FBC
10.0K
Ω
*R
FBC
10.0K
Ω
53
OCS1LN
R
SW FB
1k
Ω
C
S
0.1uF
C
A
0.1uF
200K
Ω
BIASCAP
6
59
SW -FB
9
CSS
C
SW FB
0.1uF
1
V5
VN10
Switchm ode
Power Supply
Controller
60
SMPSO
R
PG
10
Ω
VN10
Q
P
FQB17P10TM
VNN
L
SW
100uH, 1A
VN10
+
5V
MUTE
24
5V
6
V5
C
S
0.1uF
8
5
AGND
HMUTE
41, 43
D
SW
MUR120
C
SW
0.1uF
C
SW
100uF
VNN
R
REF
8.25K
Ω ,
1%
REF
15
VNN
VN10
C
SW
0.1uF,35V
VNN
62
SLEEP
42
VNN
VP2
27
V5
33
OCS2HP
+
C
I
2.2uF
+
IN2
R
F
20K
Ω
28
-
+
12
Y2
Y2
13
34
OCS2HN
27
VBOOT2
R
S
0.01
Ω ,
1W
C
S
D MUR120
0.1uF
B
VN10
R
B
240
Ω
D
S
MUR120
R
I
30.1K
Ω
R
OFB
1M
Ω
AGND
11
Y2B
OCD2
C
OCR
220pF
AGND
(Pin 28)
R
OCR
V5 (Pin 21)
30.1K
Ω
R
R
FBA
FBA
1K
Ω
1K
Ω
*R
FBC
10.0K
Ω
OCD2
10
Y2B
14
36
HO2
R
G
22, 0.5W
Q
O
C
HBR
C
HBR
D
D
MUR120 0.1uF 33uF
C
B
0.1uF
D
G
SS14*
+
+
V5 (Pin 27)
Processing
&
M odulation
14
37
HO2COM
VN10
C
OF
0.1uF
R
OFA
10K
Ω
Offset Trim
Circuit
BBM0
Level Shift
&
FET controller
40
LO2
D
S
MUR120
R
G
22, 0.5W
Q
O
D
S
MUR120
L
O
18uH
5V
26
2
FBKGND2
C
FB
270pF
*R
FBB
1.10K
Ω
*R
FBB
1.10K
Ω
*R
FBC
10.0K
Ω
4
FBKOUT2
BBM1
DCOMP
25
3
39
LO2COM
30
OCS2LP
31
OCS2LN
D
G
SS14*
R
S
0.01
Ω ,
1W
*R
VNN1
324K
Ω ,
1%
VNN
VNNSENSE
17
C
S
0.1uF
*R
VPP1
357K
Ω ,
1%
VPP
19
VPPSENSE
13
NC
NC Pins for the TP2150
Pins 1, 3, 4, 8, 11,12, 15, 18, 19, 20, 21, 22, 23, 24,
25, 61, 62, 63, 64 should be tied to analog ground.
Pins 26, 28, 29, 32, 35, 38, 46, 49, 52, 55, 56, 58
should be left floating.
*R
VNN2
976K
Ω ,
1%
V5
F. BEAD
Power Ground
Analog Ground
*R
VPP1
357K
Ω ,
1%
V5
Tr i path Technol ogy, I nc. - Techni cal I nfor m ati on
TK2150 – Rev. 1.0/12.02
* The values of these com ponents m ust
be adjusted based on supply voltage
range. See Application Inform ation.
* Diode DG m ay not be required depending on type
of output MOSFET
+
+
9
TP2150
TC 2001
51
OCS1HP
+
5V
21
V5
C
S
0.1uF
20
AGND
50
OCS1HN
57
VBOOT1
48
HO1
D
S
MUR120
R
S
0.01
Ω ,
1W
C
S
D MUR120
0.1uF
B
VN10
R
B
240
Ω
C
B
0.1uF
+
VPP
C
S
220uF
R
G
22, 0.5W
C
HBR
C
HBR
D
D
MUR120 0.1uF 33uF
+
Q
O
C
BAUX
47uF
VP1
D
G
SS14*
22
V5
C
I
2.2uF
+
INV1
23
R
F
20K
Ω
9
Y1
Y1
VN10
Y1B
Y1B
17
16
D
S
MUR120
47
HO1COM
44
LO1
D
G
SS14*
R
S
0.01
Ω ,
1W
R
G
22, 0.5W
Q
O
D
S
MUR120
-
+
Level Shift
&
FET controller
R
Z
20
Ω ,
2W
C
Z
0.15uF
R
L
6
Ω
or 8
Ω
R
I
30.1K
Ω
R
OFB
1M
Ω
AGND
10
Processing
&
M odulation
16
OCD1
C
OCR
220pF
AGND
(Pin 28)
R
OCR
V5 (Pin 21)
30.1K
Ω
R
R
FBA
FBA
1K
Ω
1K
Ω
OCD1
L
O
18uH
C
O
0.15uF
V5 (Pin 27)
7
45
LO1COM
54
OCS1LP
R
OFA
10K
Ω
C
OF
0.1uF
Offset Trim
Circuit
AGND
VNN
C
S
220uF
VPP
C
S
220uF
C
BAUX
47uF
C
O
0.15uF
R
Z
20
Ω ,
2W
C
Z
0.15uF
R
L
6
Ω
or 8
Ω
VNN
C
S
220uF
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
