Texas Instruments TUSB8020BPHP REVA User Manual page 10

Appendix B
5V INPUT
SILKSCREEN: TIP +5v
J5
2
3
1
2.1mm x 5.5mm
C47
10uF
BOARD_5V
3.3V REGULATOR
U4
2 4
IN OUT
1 5
SHDN/ SENSE
C53
10uF
TPS7A4533
10
Schematics
BOARD_5V
SW3
L101011MS02Q C56
10uF
R33
330
0402
5% 1 PWRCTRL1_BATEN1
1 PWRCTRL2_BATEN2
D5
LED Green 0805
BOARD_3P3V
C52 D8
10uF
LED Green 0805
R39
330
0402
5%
Figure 3. TUSB8020BPHPEVM Power Schematic
Copyright © 2014, Texas Instruments Incorporated
DOWNSTREAM PORT POWER SWITCH
BOARD_5V
C46
0.1uF
U3
2 9 DN1_VBUS
IN OUT1
3
IN
10
FAULT1Z
4
PWRCTRL1_BATEN1
EN1
8 DN2_VBUS
OUT2
PWRCTRL2_BATEN2 5
EN2
6
FAULT2Z
1
GND
11 7 ILIM1
PAD ILIM
TPS2561
R34
25.5K
0402
5%
Limiting DS Port VBUS current to 2.2A per port.
1.1V REGULATOR
BOARD_3P3V
U5
5
IN1
6
IN2
7
IN3
8
IN4
11
C54
EN
10uF
10
BIAS
TPS74801RGW
BOARD_3P3V BOARD_3P3V
R31 R32
10K 10K
0402 0402
5% 5%
C48 C50
0.1uF C49 0.1uF C51
+ +
150uF 150uF
D6 D7
LED Green 0805 LED Green 0805
R35 R36
330 330
0402 0402
5% 5%
1P1V_SS
BOARD_1P1V
R37
NOPOP
1
OUT1
18
OUT2
19
R38
OUT3
20
1.87K
OUT4
16
0402
FB
5%
9
1P1V_FB
PG
C55
10uF
R40
4.99K
0402
5%
SLLU196 – March 2014
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DN1_VBUS 1
OVERCUR1Z_TDI 1
DN2_VBUS 1
OVERCUR2Z 1