公司名称：深圳市宏广源科技发展有限公司

TPD12S521是TI公司推出的针对HDMI保护部分的整体防护ic，用一颗ic将HMDI部分的所有信号保护起来，防止外部拔插HMDI电缆对主控部分造成损坏。目前在机顶盒和高清播放器应用广泛。
TPD12S521此颗ic的主要特性如下：
l Single-Chip ESD Solution for High-Definition Multimedia Interface (HDMI) Driver
l Supports HDMI 1.3 Data Rate (–3 dB Frequency > 3 GHz)
l 0.8-pF Capacitance for High-Speed Transition Minimized Differential Signaling (TMDS) Lines
l 0.05-pF Matching Capacitance Between the Differential Signal Pair
l Integrated Level Shifting for the Control Lines
l ±8-kV Contact ESD Protection on External Lines
l 38-Pin Thin Shrink Small-Outline Package (TSSOP) Provides Seamless Layout Option
l With HDMI Connector
l Backdrive Protection
l Lead-Free Package
l On-Chip Current Regulator With 55-mA Current Output