1.1V LDO REGULATOR
5.0V BOOST
3.3V BUCK REGULATOR - 4V to 17V input
REG_PG
EN1P2
SS1P2
FB_1PT2V
PWRIN_SW
FB_3PT3V
BOARD_3P3V
BOARD_1P1V
BOARD_3P3V
VDD_1P1V
VCC_3P3V
BOARD_3P3V
USB_5V
BOARD_5V
BOARD_3P3V
BOARD_IN
REG_PG
PAGE6
SW2
3POS - SPDT
WALL - OFF - USB 5V
1
2
3
D2
LED Green 0805
BOARD PWR
R91
4.99K
0402
1%
C32
22uF
R82
500
0402
5%
R87
DNI
0402
5%
R88
4.7K
0402
5%
C57
10uF
R120
DNI
0402
LP7
R84
0
C31
10uF
C38
DNI
R90
1.87K
0402
1%
U4
TPS62150A
SW1
1
SW2
2
SW3
3
PG
4
FB
5
A
G
N
D
6
FSW
7
DEF
8
SS/TR
9
AVIN
10
PVIN1
11
PVIN2
12
EN
13
VOS
14
P
G
N
D
1
1
5
P
G
N
D
2
1
6
P
A
D
1
7
C37
0.01uF
LP9
GND
L1
2.2 uH
R81
100K
0402
LP8
GND
R85
750K
0402
1%
C36
10uF
R86
240K
0402
1%
C35
10uF
C34
3.3 nF
T
S
J9
1
2
3
L2
1 uH
U5
TPS74201RGWT
OUT1
1
N
C
1
2
N
C
2
3
N
C
3
4
IN1
5
IN2
6
IN3
7
IN4
8
PG
9
BIAS
10
EN
11
G
N
D
1
2
N
C
4
1
3
N
C
5
1
4
SS
15
FB
16
N
C
6
1
7
OUT4
18
OUT3
19
OUT2
20
P
A
D
2
1
C58
2.2uF
LP6
1.1V
+
C30
220uF
R89
0
R83
0
0402
LP5
3.3V
U6
TPS61240
GND
1
VOUT
2
FB
3
EN
4
L
5
VIN
6
P
A
D
7
EVM Schematics
www.ti.com
18
SLLU224B – August 2015 – Revised March 2018
Submit Documentation Feedback
Copyright © 2015–2018, Texas Instruments Incorporated
DP159RSB Evaluation Module
Figure 12. 1.1- and 3.3-V Regulators