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TPD2E2U06QDBZRQ1

Automotive 2-ch ESD diode, 5.5V, ±15kV IEC, 20pF, SOT-23-3, AEC-Q100

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Manufacturer Part：

TPD2E2U06QDBZRQ1

Package：

SOT-23-3 (2.9 x 1.3 x 1.0mm, DBZ package)

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Description

Product Overview

The TPD2E2U06QDBZRQ1 is an automotive-qualified 2-channel ESD protection diode from Texas Instruments with 6V working voltage, 20pF capacitance, and IEC 61000-4-2 ±15kV contact protection in a SOT-23-3 package.

Key Specifications

Number of Channels 2
Working Voltage (VRWM) 5.5V (max), 6V typical
Clamping Voltage (VPP) 8.5V at 5A (IEC 61000-4-5)
Capacitance per Channel 20pF typical at 2.5V
ESD Protection (IEC 61000-4-2) ±15kV contact, ±25kV air
Leakage Current 10nA typical at 5.5V
Dynamic Resistance 0.4Ω typical
AEC-Q100 Grade 1 (-40°C to +125°C)
Operating Temperature -40°C to +125°C
Package SOT-23-3 (DBZ)

Features

  • AEC-Q100 Grade 1 qualified for automotive applications
  • 2-channel ESD protection in tiny SOT-23-3
  • ±15kV IEC contact discharge protection
  • Low 20pF channel capacitance for high-speed lines
  • Ultra-low 8.5V clamping voltage at 5A
  • 0.4Ω dynamic resistance for effective transient suppression
  • 10nA leakage current preserves signal integrity
  • IEC 61000-4-4 EFT and 61000-4-5 surge protection

Applications

  • Automotive USB and CAN bus ESD protection
  • Automotive infotainment interface protection
  • Industrial RS-485 and CAN transceiver ESD
  • Keypad and button interface protection
  • Any automotive signal line ESD protection

The TPD2E2U06QDBZRQ1 is an automotive-qualified 2-channel transient voltage suppression (TVS) ESD protection diode from Texas Instruments. It provides ±15kV IEC 61000-4-2 contact discharge protection on 2 channels with only 20pF typical capacitance per channel, suitable for high-speed data lines. The 5.5V working voltage covers 5V logic rails, while the ultra-low 8.5V clamping voltage at 5A surge current protects downstream ICs. The 0.4Ω dynamic resistance ensures effective transient energy diversion. AEC-Q100 Grade 1 qualification guarantees reliability over the -40°C to +125°C automotive temperature range. The tiny SOT-23-3 package minimizes board space for space-constrained automotive electronics.

The TPD2E2U06QDBZRQ1 uses bidirectional TVS diode structures to protect two signal lines. Each channel consists of steering diodes connected from the signal line to the VCC and GND rails, plus a central TVS clamp between VCC and GND. During normal operation, the signal voltage remains within the working range (0 to 5.5V) and the diodes are reverse-biased, presenting only 20pF capacitance and 10nA leakage. When an ESD or surge event drives the signal line voltage above VCC + VF or below -VF, the steering diodes conduct, routing the transient current to the VCC or GND rails. The central TVS clamp then absorbs the energy, limiting the voltage to the clamping voltage (8.5V at 5A). The low 0.4Ω dynamic resistance means the voltage rise per amp of transient current is minimal, providing excellent protection. The bidirectional structure provides symmetrical protection for both positive and negative transients, making it suitable for differential signal pairs like USB and CAN bus lines.

Pin Name Type Description
1 CH1 I/O ESD protection channel 1 (signal line)
2 GND Power Ground connection
3 CH2 I/O ESD protection channel 2 (signal line)
  • Automotive USB: 20pF capacitance preserves USB 2.0 signal integrity; ±15kV IEC protects against ESD from connectors
  • CAN Bus: Bidirectional protection on CANH/CANL with 5.5V working voltage covers CAN transceiver bus pins
  • Infotainment: AEC-Q100 Grade 1 ensures automotive reliability; tiny SOT-23-3 fits in dense connector areas
  • Keypad Interfaces: Low 10nA leakage preserves input impedance for touch and button sensing circuits
  • Industrial Comm: 8.5V clamping voltage at 5A protects RS-485 and CAN transceivers from surge events
Model Manufacturer Key Difference Package Specs
TPD2E2U06DBZR TI Non-automotive version, same specs – –
TPD2E001DRLR TI 2-ch, 5.5V, 1.5pF, SOT-5X3 – –
PRTR5V0U2X NXP 2-ch USB ESD, 0.9pF, SOT-143 – –
ESD5Z5V0T1G onsemi Single channel, 5V, SOD-523 – –
TSD05C-1C Semtech 2-ch, 5V, ultra-low cap, DFN – –
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