TPS25751D datasheet(9/89 Pages) TI1

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over operating free-air temperature range (unless otherwise noted)

(1)

MIN

MAX

UNIT

Operating junction temperature

–40

125

°C

(1)

All voltage values are with respect to network GND. All GND pins must be connected directly to the GND plane of the board.

6.4 Recommended Capacitance

over operating free-air temperature range (unless otherwise noted)

PARAMETER(1)

VOLTAGE RATING

MIN

NOM

MAX

UNIT

CVIN_3V3

Capacitance on VIN_3V3

6.3 V

µF

CLDO_3V3

Capacitance on LDO_3V3

6.3 V

µF

CLDO_1V5

Capacitance on LDO_1V5

4 V

4.5

µF

CVBUS

Capacitance on VBUS

(4)

25 V

4.7

µF

CPP5V

Capacitance on PP5V

10 V

120

(2)

µF

CVSYS (TPS25751S)

Capacitance on VSYS Sink from

VBUS(5)

25 V

100

µF

CPPHV (TPS25751D)

Capacitance on PPHV Sink from

VBUS(5)

25 V

100

µF

CCCy

Capacitance on CCy pins(3)

6.3 V

200

400

480

(1)

Capacitance values do not include any derating factors. For example, if 5.0 µF is required and the external capacitor value reduces by

50% at the required operating voltage, then the required external capacitor value is 10 µF.

(2)

USB PD requirement (cSrcBulkShared). Keep at least 10 µF tied directly to PP5V.

(3)

Capacitance includes all external capacitance to the Type-C receptacle.

(4)

The device can be configured to quickly disable the sinking power path upon certain events. When such a configuration is used, a

capacitance on the higher side of the range is recommended.

(5)

USB PD specification for cSnkBulkPd (100µF) is the maximum bulk capacitance allowed on a VBUS sink after a PD contract is in

place. The capacitance is sufficient for all power conversion devices deriving power from the PD Controller sink path. For systems

requiring greater than 100uF, VBUS surge current limiting is implemented as described in the USB3.2 specification.

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TPS25751

SLVSH93 – OCTOBER 2023

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