Texas Instruments TPS65994 EVM, User Manual, Page: 5 / 59

Table 4-1. S1 and S2: ADCIN1 and ADCIN2 Switch Settings (continued)
ADCINx Switch Settings
0 1 0 0 5
1 0 0 0 6
1 1 0 0 7
PA_HPD
LDO_3V3
GND
GND
PA_CC1
PA_CC2
PB_CC1
PB_CC2
LDO_3V3
PB_POL
GPIO7
PA_USB3
GPIO6
ADCIN2
GND
PA_VBUS
PB_VBUS
P5V0
LDO_3V3
LDO_1V5
GND
ADCIN2
ADCIN1
PP_5V
P5V0
SYS_PWR
I2C1_SCL
I2C1_SDA
I2C1_IRQZ
I2C2_SCL
I2C2_SDA
I2C2_IRQZ
I2C3_SCL
I2C3_SDA
I2C3_IRQZ
GND
GND
PPHV
PPHV
GND
GND
A2 A1
B2 B1
C
2
C
1
D2 D1
E2 E1
Q1
CSD87501L
A2 A1
B2 B1
C
2
C
1
D2 D1
E2 E1
Q2
CSD87501L
P5V0
P5V
10.0k
R4
10.0k
R7
10.0k
R10
10k
R1
10k
R14
P3V3
P3V3
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U2
CAT24C256WI-G
LDO_3V3
10.0k
R23
10.0k
R24
10.0k
R25
10.0k
R21
GND GND
10.0k
R17
10.0k
R18
10.0k
R19
I2C3_SCL
I2C3_SDA
0.1uF
C9
GND
PB_USB3
PA_POL
PA_VBUS
PB_VBUS
6 3
1 8
2 7
5 4
S2
59.0k R22
249k R26
976k R27
GND
All Off Setting 0
Switch 2 & 4 On Setting 2
Switch 3 & 4 On Setting 1
Switch 2 & 3 & 4 On Setting 3
Switch 3 On Setting 4
Switch 2 On Setting 5
Switch 1 On Setting 6
Switch 1 & 2 On Setting 7
LDO_3V3
ADCIN1
6 3
1 8
2 7
5 4
S1
59.0k R12
249k R13
976k R15
GND
LDO_3V3
TP1
TP2
TP3
TP4
TP5
TP6
D1
D2
10uF
C4
10uF
C5
10uF
C3
10uF
C8
1 3 5
6 4 2
7
8
J1
1uF
C48
GND
1uF
C52
GND
150pF
C49
150pF
C51
2 3
S4B
1 4
S4A
LDO_1V5
LDO_1V5
330pF
C1
330pF
C2
330pF
C7
330pF
C6
I2C3m_SDA
A1
I2C3m_SCL
A2
VSYS
A3
PA_GATE_VSYS
A4
PB_CC2
A5
GPIO2
A6
PP5V
A7
PB_VBUS
A8
I2C3m_IRQ
B1
I2C3m_SDA
B2
GPIO4
B3
PB_GATE_VSYS
B4
PB_CC1
B5
GPIO8
B6
PP5V
B7
PB_VBUS
B8
GPIO0
C1
GPIO5
C2
PP5V
C7
PB_VBUS
C8
I2C1s_IRQ
D1
I2C2s_SDA
D2
PP5V
D7
PB_GATE_VBUS
D8
I2C1s_SCL
E1
I2C2s_SCL
E2
PP5V
E7
PA_GATE_VBUS
E8
I2C1s_SDA
F1
I2C2s_IRQ
F2
PP5V
F7
PA_VBUS
F8
GPIO1
G1
LDO_1V5
G2
ADCIN2
G3
ADCIN1
G4
PA_CC1
G5
GPIO7
G6
PP5V
G7
PA_VBUS
G8
LDO_1V5
H1
GND
H2
LDO_3V3
H3
VIN_3V3
H4
PA_CC2
H5
GPIO3
H6
PP5V
H7
PA_VBUS
H8
GPIO9
C6
GPIO6
F6
TPS65994YBG
U1
10uF
C50
GND
GND
PA_GATE_VBUS
PA_GATE_VBUS
PA_GATE_VSYS
PA_VBUS
PA_GATE_VSYS
PPHV
PB_GATE_VSYS PB_GATE_VBUS
PB_VBUS
PB_GATE_VBUS
PB_GATE_VSYS
PB_HPD
PA_DP_MODE
PB_DP_MODE
1
2
3
J10
P3V3 LDO_3V3
1
2
J12
LDO_3V3
499k
R11
40.2k
R16
499k
R20
40.2k
R28
TP14 TP15
TP17 TP16
2.20k
R2
2.20k
R3
2.20k
R5
2.20k
R6
2.20k
R8
2.20k
R9
Figure 4-2. ADCIN1 and ADCIN2 Configuration Schematic
4.1.4 J2: Barrel Jack Power Connector
The barrel jack power connector accepts a 19-V to 20-V DC supply. A standard notebook adapter (or similar
adapter) provides the required power. This input provides the PP_EXT power rail 19-V to 20-V.
Figure 4-3. Barrel Jack (J2) Schematic
4.1.5 USB Type-C™ Connector (J3_PA, J3_PB)
The TPS65994 EVM has two full feature USB Type-C receptacles (port A/B) and routes VBUS, SSTX and SSRX
pairs, SBU1 and SBU2 pairs, and D+ and D– signals. The TPS65994 device can be used in self-powered and
bus-powered configurations for added flexibility. When self-powered, the EVM can provide up to 15 W (5 V, at 3
A) of power per port via the internal PP5V power path. The EVM is also capable of sinking 100 W (20 V, at 5 A)
of power via the external PP_EXT power path. The internal power path is used for sourcing power and the
external power path is used for sinking power.
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SLVUBM1C – JANUARY 2019 – REVISED JANUARY 2021
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TPS65994 EVM User Guide 5
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