TPS25751AS datasheet(5/85 Pages) TI2

5 / 85 page

Table 5-1. TPS25751AD Pin Functions

TYPE(1)

RESET

DESCRIPTION

NAME

NO.

ADCIN1

Hi-Z

Configuration Input. Connect to a resistor divider to LDO_3V3.

ADCIN2

Hi-Z

Configuration Input. Connect to a resistor divider to LDO_3V3.

CC1

I/O

Hi-Z

I/O for USB Type-C. Filter noise with recommended capacitor to GND (CCC).

CC2

I/O

Hi-Z

I/O for USB Type-C. Filter noise with recommended capacitor to GND (CCC).

GND

11, 12, 14, 31

—

Ground. Connect to ground plane.

GPIO0/LD1

GPIO

Hi-Z

General purpose digital I/O. Pin can be connected for liquid detection on the

Type-C connector. Tie to ground when unused.

GPIO1

GPIO

Hi-Z

General purpose digital I/O. Tie to ground when unused.

GPIO2/LD2

GPIO

Hi-Z

General purpose digital I/O. Pin can be connected for liquid detection on the

Type-C connector. Tie to ground when unused.

GPIO3

GPIO

Hi-Z

General purpose digital I/O. Tie to ground when pin is unused.

GPIO5/USB_N

I/O

Hi-Z

General purpose digital I/O. Tie to ground when unused. Pin can be

connected to D- for BC1.2 support.

GPIO4/USB_P

I/O

Hi-Z

General purpose digital I/O. Tie to ground when unused. Pin can be

connected to D+ for BC1.2 support.

GPIO6

GPIO

Hi-Z

General purpose digital I/O. Tie to ground when unused.

GPIO7

GPIO

Hi-Z

General purpose digital I/O. Tie to ground when pin is unused.

I2Ct_SCL

Hi-Z

I2C target serial clock input. Tie to pullup voltage through a resistor. Tie to

ground when pin is unused.

I2Ct_SDA

I/O

Hi-Z

I2C target serial data. Open-drain input/output. Tie to pullup voltage through a

resistor. Tie to ground when pin is unused.

I2Ct_IRQ

Hi-Z

I2C target interrupt. Active low. Connect to external voltage through a pull-up

resistor. Pin can be re-configured to GPIO10. Tie to ground if unused.

I2Cc_SCL

Hi-Z

I2C controller serial clock. Open-drain output. Tie to pullup voltage through a

resistor. Tie to ground when pin is unused.

GPIO11

GPIO

Hi-Z

General purpose digital I/O. Tie to ground when pin is unused.

I2Cc_SDA

I/O

Hi-Z

I2C controller serial data. Open-drain input/output. Tie to pullup voltage

through a resistor. Tie to ground when pin is unused.

I2Cc_IRQ

Hi-Z

I2C controller interrupt. Active low. Connect to external voltage through a

pull-up resistor. Do not tie to GND when unused. Pin can be re-configured to

GPIO12.

LDO_1V5

—

Output of the CORE LDO. Bypass with capacitance CLDO_1V5 to GND. This

pin cannot source current to external circuits.

LDO_3V3

—

Output of supply switched from VIN_3V3 or VBUS LDO. Bypass with

capacitance CLDO_3V3 to GND.

DRAIN

15, 30

N/A

—

Connects to drain of internal FET.

PP5V

34, 35

—

5V system supply to VBUS, supply for CCy pins as VCONN.

PPHV

20, 21, 22

I/O

High-voltage sinking node in the system.

VBUS_IN

23, 24, 25

I/O

5V to 20V input.

VBUS

32, 33

VBUS input to LDO. Bypass with capacitance CVBUS to GND.

VIN_3V3

—

Supply for core circuitry and I/O. Bypass with capacitance CVIN_3V3 to GND.

Tie to GND if device is VBUS powered only.

(1)

I = input, O = output, I/O = input and output, GPIO = general purpose digital input and output

www.ti.com

TPS25751A

SLVSJG7 – MAY 2026

Submit Document Feedback

Product Folder Links: TPS25751A

TPS25751AS Datasheet(PDF) 5 Page - Texas Instruments

TPS25751AS Datasheet(HTML) 5 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85

Datasheet Download

Link URL