Texas Instruments TPD2E007YFMRG4

Overview

TPD2E007YFMRG4 from Texas Instruments is a 2-channel ESD protection array designed for AC-coupled or negative-rail data interfaces including RS-232, LVDS, and audio lines. It delivers ±8-kV IEC 61000-4-2 contact discharge protection, 15-pF max channel capacitance, and 50-nA max leakage current in a 0.77 mm × 0.77 mm DSLGA (YFM) package with 4 bumps.

For engineers reviewing the TPD2E007YFMRG4 datasheet, TPD2E007YFMRG4 pinout, TPD2E007YFMRG4 application, or TPD2E007YFMRG4 equivalent, key selection criteria include I/O voltage range (±13 V), clamping performance under 8/20-µs surge (4.5 A), thermal resistance (R_θJB = 28.7°C/W), and ultra-low profile (0.15 mm max height) for embedded PCB integration.

Technical Context

The TPD2E007YFMRG4 implements a back-to-back diode array architecture enabling bidirectional ESD clamping without DC bias dependency-critical for AC-coupled signals like RS-232 and LVDS. Its passive triggering occurs at ±14 V breakdown voltage (I_IO = 10 mA), with dynamic resistance of 3.5 Ω ensuring low clamping voltage during transients.

Designed for placement directly at connectors, it routes ESD/surge current to ground within nanoseconds while maintaining signal integrity via low 15-pF input capacitance and minimal leakage (≤50 nA). The YFM package's bottom-side terminations support embedded PCB mounting, reducing parasitic inductance versus leaded alternatives.

Key Specifications

Pinout & Package

TPD2E007YFMRG4 uses a 4-bump DSLGA (YFM) package measuring 0.77 mm × 0.77 mm with 0.4-mm pitch and 0.15-mm maximum height. Bumps are arranged in a 2×2 grid on the bottom side for solder attachment.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ESD protection applications.

Compared with TPD2E007YFMRG4, TPD2E001DRYR offers lower capacitance but lacks dual-channel integration, while SMA6J15A provides higher surge rating at the expense of signal fidelity and board space-making TPD2E007YFMRG4 optimal for compact, multi-line AC-coupled interfaces.

Availability

TPD2E007YFMRG4 is available at Aetrix Electronics and suitable for RS-232 interface protection, LVDS data link safeguarding, and audio interface ESD guarding requiring stable component supply across industrial, medical, and portable electronics programs.

Supply support for TPD2E007YFMRG4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and connectivity technologies with over 90 years of innovation in power management and signal conditioning.

The TPD2E007 family targets system-level ESD protection for high-speed, AC-coupled interfaces-designed to replace discrete diode arrays in space-constrained portable and industrial equipment where signal integrity and ultra-low profile are critical.

FAQ

What is the primary function of the TPD2E007YFMRG4 in circuit design?

The TPD2E007YFMRG4 serves as a dual-channel transient voltage suppressor that provides system-level ESD and surge protection for AC-coupled or negative-rail data interfaces. It operates passively by clamping voltages above ±14 V to ground using a back-to-back diode structure, ensuring signal integrity remains intact while protecting downstream ICs such as RS-232 transceivers or LVDS drivers. Its design eliminates the need for external biasing networks.

Does the TPD2E007YFMRG4 require any external power or control signals to operate?

No, the TPD2E007YFMRG4 is a fully passive device with no power or enable pins. It functions solely through its internal diode network, triggering automatically when voltage across IO1 or IO2 exceeds ±14 V relative to GND. This makes it ideal for always-on protection schemes without adding complexity to power sequencing or firmware logic-TPD2E007YFMRG4 integrates seamlessly into existing signal paths without modification.

Can the TPD2E007YFMRG4 be used for RS-485 bus protection?

Yes, the TPD2E007YFMRG4 is explicitly validated for RS-485 applications in its datasheet, supporting both half-duplex and full-duplex configurations. Its ±14 V breakdown voltage aligns with RS-485 common-mode range (–7 V to +12 V), and its 15-pF capacitance avoids signal edge degradation at typical data rates up to 20 Mbps. For full-duplex RS-485, two TPD2E007YFMRG4 units protect A/B and Y/Z pairs independently.

What is the significance of the YFM package's 0.15-mm maximum height for TPD2E007YFMRG4?

The 0.15-mm maximum height of the YFM package enables TPD2E007YFMRG4 to be embedded directly into multilayer PCB substrates or placed beneath thin-film shields-critical for ultra-slim consumer devices like handheld medical scanners and wearables. This ultra-low profile reduces series inductance in the ESD current path, improving clamping speed and lowering let-through voltage during fast transients compared to taller SOT packages.

How does the TPD2E007YFMRG4 compare to standard 0402 TVS diodes in terms of ESD performance?

The TPD2E007YFMRG4 exceeds standard 0402 TVS diodes with certified ±8-kV contact and ±15-kV air-gap ESD ratings per IEC 61000-4-2 Level 4, whereas most 0402 devices achieve only Level 3 (±6-kV contact). Its integrated dual-channel architecture also eliminates inter-trace coupling risks inherent in discrete placements, and its 3.5-Ω dynamic resistance yields lower clamping voltage than typical 0402 parts (often >6 Ω), making TPD2E007YFMRG4 more effective at protecting sensitive interface ICs.