TPD12S521

TPD12S521概述

HDMI 发送器端口保护和接口设备

The is a single-chip electro-static discharge ESD circuit protection device for the high-definition multimedia interface HDMI transmitter port. While providing ESD protection with transient voltage suppression TVS diodes, the TVS protection adds little or no additional glitch in the high-speed differential signals. The high-speed transition minimized differential signaling TMDS ESD protection lines add only 0.8-pF capacitance.

The low-speed control lines offer voltage-level shifting to eliminate the need for an external voltage level-shifter IC. The control line TVS diodes add 3.5-pF capacitance to the control lines. The 38-pin DBT package offers a seamless layout routing option to eliminate the routing glitch for the differential signal pairs. The DBT package pitch 0.5 mm matches with the HDMI connector pitch. In addition, the pin mapping follows the same order as the HDMI connector pin mapping. The TPD12S521 provides an on-chip current limiting switch with output ratings of 55 mA at pin 38. This enables HDMI receiver detection even when the receiver device is powered off.

.
IEC 61000-4-2 Level 4 ESD Protection
.
±8-kV Contact Discharge on External Lines
.
Single-Chip ESD Solution for HDMI Driver
.
On-Chip Current Regulator with 55-mA Current

Output

.
Supports All HDMI 1.3 and HDMI 1.4 Data Rates

–3 dB Frequency > 3 GHz

.
0.8-pF Capacitance for the High Speed TMDS

Lines

.
0.05-pF Matching Capacitance Between the

Differential Signal Pair

.
38-Pin TSSOP Provides Seamless Layout Option

with HDMI Connector

.
Backdrive Protection
.
TMDS_D[2:0]+/–
.
TMDS_CK+/–
.
CE_REMOTE_OUT
.
DDC_DAT_OUT
.
DDC_CLK_OUT
.
HOTPLUG_DET_OUT
.
Lead-Free Package
TPD12S521数据文档
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