TPD4E05U06DQAR

The Texas Instruments TPD4E05U06DQAR is a 4-channel unidirectional transient voltage suppressor (TVS) based ESD protection diode array with ultra-low capacitance. Each channel can dissipate ESD strikes above the maximum level specified by IEC 61000-4-2 international standard (Level 4: +-12kV contact, +-15kV air gap). The ultra-low IO capacitance of 0.5pF typical makes this device an excellent choice for protecting high-speed signal pins without degrading signal integrity, supporting data rates up to 6Gbps. The low clamping voltage of 10V at 2.5A ensures that downstream ICs are protected from damaging transient voltages. The device also provides EFT protection per IEC 61000-4-4 and surge protection per IEC 61000-4-5. The flow-through USON-10 package simplifies PCB layout with straight-through signal routing.

The TPD4E05U06DQAR operates as a transient voltage suppression (TVS) diode array: 1) Normal Operation: When the protected signal line voltage is below the working voltage (VRWM = 5.5V), the TVS diodes are in their off state, presenting only 0.5pF capacitance and less than 10nA leakage to the signal line. This minimal loading preserves signal integrity at high data rates. 2) ESD Event: When an electrostatic discharge strikes the signal line, the TVS diode rapidly avalanches, clamping the voltage to approximately 10V at the peak ESD current. The ultra-fast response time (sub-nanosecond) diverts the ESD energy away from the protected IC. 3) EFT/Surge Protection: For electrical fast transient (EFT) and lightning surge events, the device can handle 80A (5/50ns) and 2.5A (8/20us) respectively, with 40W peak pulse power dissipation. 4) Unidirectional: The unidirectional configuration means the diode provides strong clamping for positive transients and forward diode conduction for negative transients, suitable for signal lines that do not swing below ground.

• HDMI 2.0 and HDMI 1.4b high-speed signal ESD protection
• USB 3.0 SuperSpeed and USB Type-C data line protection
• DisplayPort 1.3/1.4 and LVDS interface ESD suppression
• SATA and PCI-Express signal line protection
• Ethernet and V-by-One HS high-speed interface ESD protection