ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Pin name
Pin Number
Description
Voltage Rating
MinTypMax
Comment
Done
2
Decoupling caps
3
LDO_1V8AK1Output of the 1.8-V LDO for core analog circuits.4V500nF2.2uF12uF2.2uF
4
LDO_1V8DA2Output of the 1.8-V LDO for core digital circuits.4V500nF2.2uF12uF2.2uF
5
LDO_3V3G1Bypass with appropriate capacitor6.3V5uF10uF25uF10uF
6
VIN_3V3H1Input to internal 3.3V regulator
Bypass with appropriate capacitor
3.3V5uF10uF1uF
7
PP_CABLEH10Bypass with appropriate capacitor5V2.5uF4.7uF1uF x2
8
LDO_BMCE1Output of the USB-PD BMC transceiver output level LDO4V1uF2.2uF4uF2.2uF
9
VDDIOB1VDD for I/O.3.3V0.1uF1uF1uF
10
SSH7Soft Start6.3V220nF220nF
11
C_CC1/C_CC2L9,L10Output to Type-C CC or VCONN pins25V220pF330pF470pF470pF
12
PP_HVA6,A7,A8,B7HV supply for VBUS25V47uF120uF2.2uF
13
25V2.5uF4.7uF1uF
14
PP_5V0
A11,B11,C11,D11
5-V supply for VBUS10V2.5uF4.7uF1uF x2
15
VBUS
H11,J10,J11,K11
Add Schottkey diode and place it close to the pin to conduct large GND currents
Add TVS diode (TVS2200 ) to protect the pin from higher voltage spikes
Port side VBUS bypass with appropriate capacitor, tie to ground if unused
25V500nF1uF10uF1uF
16
Application Specific Pins
17
SPI_MISOA4SPI serial master input from slave. Tie pin to LDO_3V3 through a 3.3-kΩ resistor.3.3KΩPull Up
18
SPI_MOSIB4SPI serial master output to slave. Connect pin directly to SPI flash IC.
19
SPI_CLKA3SPI serial clock. Connect pin directly to SPI Flash IC. Refer to the Boot Code section for more details on the SPI Flash.
20
SPI_SSB3SPI slave select. Tie pin to LDO_3V3 through a 3.3-kΩ resistor3.3KΩPull Up
21
I2C_SCLD2I2C port serial clock. Open-drain output. Tie pin to LDO_3V3 or VDDIO (depending on configuration) through a 10-kΩ resistor when used or unused.
2.2KΩ3.3KΩ4.7KΩPull Up
22
I2C_SDAD1I2C port serial data. Open-drain output. Tie pin to LDO_3V3 or VDDIO (depending on configuration) through a 10-kΩ resistor when used or unused.
2.2KΩ3.3KΩ4.7KΩPull Up
23
I2C_IRQC1I2C port interrupt. Active low. Implement externally as an opendrain with a pull-up resistance. Float pin when unused.10KΩPull Up
24
DEBUG_CTL1K9General-purpose digital I/O 16. At power-up, pin state is sensed
to determine bit 4 of the I2C address.
100KPull Down
25
DEBUG_CTL2K10General-purpose digital I/O 17. At power-up, pin state is sensed to determine bit 5 of the I2C address.100KPull Down
26
HV_GATE1External NFET gate control for high voltage power path. Float pin when unused.
27
HV_GATE2External NFET gate control for high voltage power path. Float pin when unused.
28
C_CC1/C_CC2L9,L10Conneted to Type-C connector, add an ESD protection device and a cap470pFPull Down
29
R_OSCG2External resistance setting for oscillator accuracy. Connect R_OSC to GND through resistance RR_OSC.15KPull Down
30
HPD/GPIO4C10General-purpose digital I/O 4. Configured as a hot-plug detect (HPD) transistor, HPD receiver, or both when DisplayPort mode is supported. Ground pin with a 1-MΩ resistor when unused in the
application
31
HPD/GPIO5NCGeneral-purpose digital I/O 5. Can be configured as a HPD receiver when DisplayPort mode is supported. Must be tied high or low through a 1-kΩ pull-up or pull-down resistor when used as a configuration input. Ground pin with a 1-MΩ resistor when
unused in the application.
32
SENSEPB10Positive sense for external high voltage power path current sense resistance. Short pin to VBUS when unused.
33
SENSENA10Negative sense for external high voltage power path current sense resistance. Short pin to VBUS when unused.
34
USB_RP_PL5System-side USB2.0 high-speed connection to the port multiplexer. Ground pin with between 1-kΩ and 5-MΩ resistance when unused.
Use
35
USB_RP_NK5System-side USB2.0 high-speed connection to the port multiplexer. Ground pin with between 1-kΩ and 5-MΩ resistance when unused.Use
36
GPIOs
37
GPIO0B2General-purpose digital I/O 0. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-MΩ
resistor when unused in the application
Use
38
GPIO2D10General-purpose digital I/O 2. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-MΩ
resistor when unused in the application
Use
39
GPIO3G11General-purpose digital I/O 3. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-MΩ
resistor when unused in the application
NC
40
GPIO6G10General-purpose digital I/O 6. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-M
resistor when unused in the application
NC
41
GPIO7D7General-purpose digital I/O 7. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-MΩ
resistor when unused in the application
NC
42
GPIO8H6General-purpose digital I/O 8. Float pin if it is configured as a push-pull output in the application. Ground pin with a 1-MΩ
resistor when unused in the application
NC
43
RESETZ/GPIO9F11General-purpose digital I/O 9. Active low reset output when VIN_3V3 is low (driven low on start-up). Float pin when unused.NC
44
BUSPPOWERZ/GPIO10
F10General-purpose digital I/O 10. Sampled by ADC at boot. Tie pin to LDO_3V3 through a 100-kΩ resistor to disable PP_HV and PP_EXT power paths during dead-battery or no-battery boot conditions. Refer to the BUSPOWERZ table for more details
100K
Pull Down
45
MRESET/GPIO11General-purpose digital I/O 11. Forces RESETZ to assert. By default, this pin asserts RESETZ when pulled high. The pin can be programmed to assert RESETZ when pulled low. Ground pin with a 1-MΩ resistor when unused in the application.1MPull Down
46
Ground
47
GNDConnect all these pins to system ground
48
Type-C Vbus connector
49
VBUS pinsConnect 10nF caps on each Vbus pins (A4, B4, A9, B9)
50
ESD protection
51
Add ESD protection as per the system requirements on all the pins connected to Type-C onnector.
52
Re-timer power up sequence
53
PD controller configures re-timer immediately after attachment. In deadbattery mode, make sure re-timer powers up along with the PD controller.
54
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