TPD12S015 - 具有升压转换器、12C 电平转换器和高速 ESD 钳位的 HDMI 配套芯片

TPD12S015是TI德州仪器公司的一款集成ESD保护产品，TPD12S015是具有升压转换器、12C 电平转换器和高速 ESD 钳位的 HDMI 配套芯片，本站介绍了TPD12S015的封装应用图解、特点和优点、功能等，并给出了与TPD12S015相关的TI元器件型号供参考。

TPD12S015 - 具有升压转换器、12C 电平转换器和高速 ESD 钳位的 HDMI 配套芯片 - 集成ESD保护 - ESD保护二极管 - 德州仪器

产品描述

The TPD12S015 is an integrated HDMI ESD solution. The device pin mapping matches the HDMI Type C and Type D connector with four differential pairs. This device offers eight low-capacitance ESD clamps, allowing HDMI 1.3 data rates. The integrated ESD clamps and resistors provide good matching between each differential signal pair, which allows an advantage over discrete ESD clamp solutions where variations between ESD clamps degrade the differential signal quality.

The TPD12S015 provides a regulated 5 V output (5VOUT) for sourcing the HDMI power line. The regulated 5 V output supplies up to 55 mA to the HDMI receiver. The control of 5VOUT and the hot plug detect (HPD) circuitry is independent of the LS_OE control signal and is controlled by the CT_CP_HPD pin. This independent control enables the detection scheme (5VOUT + HPD) to be active before enabling the HDMI link.

There are three non-inverting bi-directional translation circuits for the SDA, SCL, and CEC lines. Each have a common power rail (VCCA) on the A side from 1.1 V to 3.6V . On the B side, the SCL_B and SDA_B each have an internal 1.75 kΩ pullup connected to the regulated 5 V rail (5VOUT). The SCL and SDA pins meet the I2C specification and drive up to 750 pF loads. The CEC_B pin has an internal 27 kΩ pullup to an internal 3.3 V supply.

The HPD_B port has a glitch filter to avoid false detection due to the bouncing while inserting the HDMI plug.

The TPD12S015 provides IEC61000-4-2 (Level 4) ESD protection. This device is offered in a space-saving 1.6 mm × 2.8 mm wafer-level chip scale package [WCSP (YFF)] with 0.4-mm pitch.

产品特性

HDMI 1.3 Data Rate
HDMI High-Speed Differential Signals -3 dB Bandwidth Exceeds 6.4 Gbps
Excellent Matching Capacitance (0.05 pF) in Each Differential Signal Pair
Internal Boost Converter to Generate 5 V from a 2.3- to 5.5-V Battery Voltage
HDMI Minimum Current Limit and Short-circuit Protection at 5VOUT Pin
Flexible Power Saving Modes Through Seperate Control Pins
Auto Direction Sensing Level Shifting in the CEC, SDA, SCL Lines Drive up to 750pF Load
Seamless Type C and Type D Connector Routing with Flow-Through Pin Mapping
IEC 61000-4-2 (Level 4) System Level ESD Compliance
Integrated IOFF and Backdrive Current Protection
Space-saving 1.6 mm × 2.8 mm WCSP (YFF) Package

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