TPD12S015

SLLSE19A – DECEMBER 2009 – REVISED JANUARY 2010

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TERMINAL FUNCTIONS

TERMINAL

TYPE

DESCRIPTION

NAME

NO.

DC/DC output. The 5-V power pin can supply 55 mA regulated current to the HDMI

5VOUT

F1

Pwr O

receiver. Separate DC/DC converter control pin CT_CP_HPD disables the DC/DC

converter when operating at low-power mode.

CEC_A

B2

I/O

HDMI-side CEC bus I/O. This pin is bi-directional and referenced to the 3.3-V internal

CEC_B

D3

I/O

supply.

High-speed ESD clamp: provides ESD protection to the high-speed HDMI differential

CLK–, CLK+

G4, F4

ESD

data lines

DC/DC Enable. Enables the DC/DC converter and HPD circuitry when CT_CP_HPD =

CT_CP_HPD

D1

Ctrl

D0–, D0+,

E4, D4,

High-speed ESD clamp: provides ESD protection to the high-speed HDMI differential

D1– , D1+,

C4, B4,

ESD

data lines

D2–, D2+

A4, A3

Feedback input. This pin is a feedback control pin for the DC/DC converter. It must be

FB

E1

I

connected to 5VOUT.

B3, C3,

GND

–

Device ground

D2, E2

System-side output for the hot plug detect. This pin is unidirectional and is referenced to

HPD_A

C2

O

HDMI-side input for the hot plug detect. This pin is unidirectional and is referenced to

HPD_B

G3

I

5VOUT.

LS_OE

A1

Ctrl

when OE = H.

DC/DC converter ground. This pin should be tied externally to the system GND plane.

G1

–

See board layout in applications section.

SCL_A

B1

I/O

SCL_B

E3

I/O

SDA_A

C1

I/O

SDA_B

F3

I/O

SW

F2

I

Switch input. This pin is the inductor input for the DC/DC converter.

G2

Supply

Battery supply. This voltage is typically 2.3 V to 5.5 V

A2

Supply

System-side supply. this voltage is typically 1.2 V to 3.3 V from the core microcontroller.

4

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