参数资料
型号: MAX4929EETP+T
厂商: Maxim Integrated Products
文件页数: 13/13页
文件大小: 0K
描述: IC SWITCH HDMI 2:1 20-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 开关,DVI/HDMI
电路: 1 x 2:1
导通状态电阻: 25 欧姆
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(4x4)
包装: 带卷 (TR)
MAX4929E
HDMI 2:1 Low-Frequency Translating Switch
_______________________________________________________________________________________
9
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 0.1F 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.
HIZ2
HIZ1
VL
SCLO
SDAO
GND
SEL
HPD
HPIRO
V+
+5V
MCU
EDID
EPROM
+3.3V TO +5V
+5V
HPIR1, HPDO1,
SCL1, SDA1
HPIR2, HPDO2,
SCL2, SDA2
HDMI1
HDMI2
VMCU
RP
2k
Ω
RP
2k
Ω
CLP
+2V TO +3.3V
MAX4929E
HIZ2
HIZ1
VL
SCLO
SDAO
GND
SEL
HPD
HPIRO
V+
HPIR1, HPDO1,
SCL1, SDA1
HPIR2, HPDO2,
SCL2, SDA2
HDMI3
HDMI4
CLP
CHIP
SELECT
EXESD
0.1
μF
EXESD
0.1
μF
Figure 6. Two MAX4929Es Connected to Form a 4:1 Translating Switch
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 5. HBM Discharge Current Waveform
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