MAX4929E Ver la hoja de datos (PDF) - Maxim Integrated

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componentes Descripción

Fabricante

MAX4929E

HDMI 2:1 Low-Frequency Translating Switch

Maxim Integrated 

HDMI 2:1 Low-Frequency Translating Switch

IP 100%

90%

Ir

PEAK-TO-PEAK RINGING

(NOT DRAWN TO SCALE)

AMPERES

36.8%

10%

0

0 tRL

TIME

tDL

CURRENT WAVEFORM

Figure 5. HBM Discharge Current Waveform

Applications Information

Power-Supply Bypassing and Sequencing

There is no power-supply sequencing required. Power

can be applied to V+, CLP, or VL in any order. Bypass

V+, VL, and CLP to GND using 0.1µF or larger ceramic

capacitors as close to the device as possible.

Hot Plug

The MAX4929E is designed for HDMI/DVI switching.

The MAX4929E permits hot-plugging to any inputs/

outputs regardless of the power status of the device.

A plug can be inserted, and thus connected to the

MAX4929E whether the device is powered up or not.

Therefore, sequencing of power supplies is not

required; V+, CLP, and VL can be applied in any order.

Configure Two Devices to Form 4:1 Switch

Two MAX4929Es can be connected together to form a

4:1 switch (see Figure 6).

Exposed Paddle

The MAX4929EETP+ provides an EP to improve thermal

performance in the TQFN package. Connect the EP to

GND or leave EP unconnected.

CHIP

SELECT

HDMI1

HDMI2

HPIR1, HPDO1,

SCL1, SDA1

HPIR2, HPDO2,

SCL2, SDA2

MAX4929E

CLP

EXESD

VMCU

+5V

V+

VL

SCLO

SDAO

HPIRO

HIZ1

HPD

HIZ2 GND SEL

0.1μF

RP

2kΩ

+3.3V TO +5V

+2V TO +3.3V

RP

2kΩ

EDID

EPROM

MCU

HDMI3

HDMI4

HPIR1, HPDO1,

SCL1, SDA1

HPIR2, HPDO2,

SCL2, SDA2

+5V

VMCU

MAX4929E

EXESD

CLP

SCLO

V+

SDAO

VL

HPIRO

HIZ1

HPD

HIZ2 GND SEL

0.1μF

Figure 6. Two MAX4929Es Connected to Form a 4:1 Translating Switch

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