Texas Instruments TPD2E007YFMTG4

Overview

TPD2E007YFMTG4 from Texas Instruments is a 2-channel ESD protection array designed for AC-coupled and negative-rail data interfaces including RS-232, LVDS, and audio lines. It delivers ±8-kV IEC 61000-4-2 contact discharge protection, 4.5-A IEC 61000-4-5 surge current handling, and 15-pF max channel capacitance - enabling high-speed signal integrity preservation in space-constrained portable electronics.

For engineers reviewing the TPD2E007YFMTG4 datasheet, TPD2E007YFMTG4 pinout, TPD2E007YFMTG4 application, or TPD2E007YFMTG4 equivalent, this device serves as a low-leakage (50-nA max), ultra-low-profile (0.15-mm max height) ESD clamp for bidirectional signal paths requiring robust system-level protection near connectors.

Technical Context

The TPD2E007YFMTG4 implements a back-to-back diode array architecture that supports symmetrical clamping for both positive and negative transients without DC bias dependency - essential for AC-coupled interfaces like RS-232 and LVDS. Its dual-channel layout isolates IO1 and IO2 while sharing a common GND terminal, enabling independent protection of differential or single-ended signal pairs.

Functionally, it operates passively: under normal conditions, leakage remains ≤50 nA at ±13 V; during ESD events exceeding ±14-V breakdown voltage, the diodes conduct within nanoseconds to shunt transient energy to ground. The DSLGA (YFM) package's 0.77 mm × 0.77 mm footprint and 0.4-mm pitch support embedded PCB integration and ultra-thin form factors.

Key Specifications

Pinout & Package

TPD2E007YFMTG4 uses the DSLGA (YFM) 4-bump PicoStar™ package: 0.77 mm × 0.77 mm body, 0.4-mm pitch, bottom-side terminations. Height is limited to 0.15 mm maximum - optimized for embedded PCB applications and ultra-thin mobile designs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TPD2E007YFMTG4, TPD2E007DCKR offers identical protection performance in a standard surface-mount package ideal for prototyping and legacy designs, while SZ1.5SMC15AT3G lacks bidirectional clamping and introduces 6.7× higher capacitance - making it unsuitable for high-speed or AC-coupled interfaces protected by TPD2E007YFMTG4.

Availability

TPD2E007YFMTG4 is available at Aetrix Electronics and suitable for RS-232 interface protection, LVDS data link hardening, and audio port safeguarding requiring stable component supply across production lifecycles.

Supply support for TPD2E007YFMTG4 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 power management technologies, with over 90 years of innovation in industrial, automotive, and consumer electronics.

TPD2E007YFMTG4 belongs to TI's PicoStar™ ESD protection portfolio - engineered specifically for ultra-thin, high-density portable systems where traditional SOT packages cannot meet mechanical or thermal constraints.

FAQ

What is the primary function of the TPD2E007YFMTG4 in circuit design?

The TPD2E007YFMTG4 functions as a passive, bidirectional ESD and surge protection device for two signal lines. It uses a back-to-back diode array to clamp transient voltages - such as ±8-kV IEC 61000-4-2 contact discharges - to ground before they reach sensitive downstream ICs. Its 15-pF max capacitance and 50-nA leakage ensure minimal impact on signal integrity and power consumption in interfaces like RS-232 and LVDS.

Does the TPD2E007YFMTG4 require any external biasing or power supply?

No, the TPD2E007YFMTG4 is a fully passive device with no power pins or enable controls. It operates solely through its internal diode structure, triggering automatically when voltage across IO1–GND or IO2–GND exceeds ±14 V. This eliminates the need for external bias networks, simplifying layout and reducing BOM count compared to active protection solutions.

Can the TPD2E007YFMTG4 be used for RS-485 or CAN bus protection?

The TPD2E007YFMTG4 is explicitly validated for RS-232, LVDS, and audio interfaces in its datasheet, and its ±14-V breakdown voltage aligns with RS-232's ±13-V operating range. While it may offer some transient suppression on RS-485 lines, it lacks the higher surge rating (≥10-A) and differential-mode clamping required for full RS-485 compliance. It is not rated for CAN bus use due to insufficient common-mode voltage tolerance and missing ISO 11898-2 validation.

How does the YFM package of the TPD2E007YFMTG4 differ from the DCK variant in practical layout?

The YFM package of the TPD2E007YFMTG4 measures 0.77 mm × 0.77 mm with 0.4-mm pitch and 0.15-mm max height - enabling embedding into inner PCB layers or placement directly beneath connectors in ultra-thin devices. In contrast, the DCK variant occupies 2.00 mm × 1.25 mm with 1.1-mm height, requiring surface-mount real estate and limiting placement options near low-profile headers. Layout must accommodate YFM's bottom-terminal configuration with dedicated GND vias under B1/B2 pads.

What is the maximum continuous operating voltage supported by the TPD2E007YFMTG4?

The TPD2E007YFMTG4 supports a continuous operating voltage range of ±13 V on its IO1 and IO2 pins relative to GND, as specified in the Recommended Operating Conditions table. Exceeding this range risks permanent damage, as the absolute maximum rating is ±13.5 V. This makes it compatible with standard RS-232 drivers and receivers but unsuitable for higher-voltage industrial buses like RS-422 (±20 V) without additional series impedance.