Texas Instruments TPS65994 EVM User Manual

Figure 9-2. TPS65994EVM PD Controller
SYS _P WR
IMax = 3A
SYS_P WR
GNDGND
TVS Diode for faulty barrel jacks
GND GND
Use d for GND return for high currents
GND
SYS_PWR LED Indicator
21
Blue
D4
CS 1
1
VFB1
2
VREG 3
3
VFB2
4
CS 2
5
EN2
6
PG OOD
7
SW2
8
VBST2
9
DRVH2
10
DRVL2
11
VIN
12
VREG 5
13
VO1
14
DRVL1
15
DRVH1
16
VBST1
17
SW1
18
VCLK
19
EN1
20
GND
21
TPS51225RUKR
U3
3.3uH
L1
2.2
R29
15.4k
R32
10.0k
R36
10.0k
R37
6.49k
R31
GND GND
2.2uH
L2
GNDGND
0.1uF
C14
2.2
R30
0.1uF
C15
GNDGND
51.1k
R34
47.5k
R35
GNDGND GND
PWR_EN
PWR_EN
P3 V3P5 V
IMax = 8A
GND
PGOOD
4.7uF
C22
GND
4.7uF
C21
GND
GND
P5V0
3V3_LDO_EN
3V3_LDO_EN
3
1
5
9 2
47
6
8
Q3
CSD873 30Q3D
3
1
5
9 2
4 7
6
8
Q4
CSD873 30Q3D
6.3V
100uF
C20
6.3V
100uF
C19
SYS_P WR
6.3V
100uF
C17
6.3V
100uF
C16
GND
100k
R113
TP7
TP8
TP10 TP11
TP13TP12
0R33
0R112
10.0k
R38
D3
GND
P3 V3
GND
P5 V
22uF
C12
22uF
C13
22uF
C10
22uF
C11
47uF
C46
47uF
C47
47uF
C18
47uF
C45
SE NS E
1
GND
4
PO WER
2
PO WER
3
GND
5
SHIELD
6
SHIELD
7
SHIELD
8
SHIELD
9
J2
JPD1135-509-7F
GND
Texas Instruments NDA Restrictions
PWR_EN
0
R39
0
R118
Figure 9-3. TPS65994EVM Power Supplies
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TPS65994EVM Schematics
SLVUBM1C – JANUARY 2019 – REVISED JANUARY 2021
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TPS65994 EVM User Guide 21
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Texas Instruments TPS65994 EVM Specifications

General

Brand	Texas Instruments
Model	TPS65994 EVM
Category	Motherboard
Language	English