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HPA02285RKTR

  

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Part NameHPA02285RKTR Texas-Instruments
Texas Instruments Texas-Instruments
DescriptionHDMI Companion Chip with I2C Level Shifting Buffer, 12-Channel ESD Protection, and Current-Limit Load Switch
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TPD12S016 image

Description
The TPD12S016 is a single-chip High Definition Multimedia Interface (HDMI) device with auto direction sensing I2C voltage level shift buffers, a load switch, and integrated low capacitance high-speed electrostatic discharge (ESD) transient voltage suppression (TVS) protection diodes. A 55-mA current limited 5-V output (5V_OUT) sources the HDMI power line. The control of 5V_OUT and the hot plug detect (HPD) circuitry is independent of the LS_OE control signal, and is controlled by the CT_HPD pin, which enables the detection scheme (5V_OUT and HPD) to be active before enabling the HDMI link. The SDA, SCL, and CEC lines pull up to VCCA on the A side. On the B side, the CEC_B pin pulls up to an internal 3.3-V supply rail, SCL_B and SDA_B each pull up to the 5-V rail (5V_OUT). The SCL and SDA pins meet the I2C specification and drive up to 750 pF capacitive loads, exceeding the HDMI 1.4 specifications. The HPD_B port has a glitch filter to avoid false detection due to plug bouncing during the HDMI connector insertion. TPD12S016 offers reverse current blocking at the 5V_OUT pin. SCL_B, SDA_B, CEC_B pins also feature reverse current blocking when the system is powered off.

Features
• Conforms to HDMI Compliance Tests without any
   External Components
• IEC 61000-4-2 ESD Protection
   – ±8-kV Contact Discharge
• Supports HDMI 1.4 Data Rate
• Matches Class D and Class C Pin Mapping
• 8-Channel ESD Protection for Four Differential
   Pairs With Ultra-Low Differential Capacitance
   Matching (0.05 pF)
• On-Chip Load Switch With 55-mA Current Limit at
   the HDMI 5V_OUT Pin
• Auto-direction Sensing I2C Level Shifter with One-
   shot Circuit to Drive a Long HDMI Cable (750-pF
   Load)
• Back-drive Protection on HDMI Connector Side
   Ports
• Integrated Pullup and Pulldown Resistors per
   HDMI Specification
• Space Saving 24-Pin RKT Package and 24-
   TSSOP Package

Applications
• Cell Phones
• eBook
• Portable Media Players
• Set-top Box

 

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