Texas Instruments TPS2096D

Overview

TPS2096D from Texas Instruments is a quad-channel high-side power-distribution switch featuring four independent 80-mΩ N-channel MOSFETs, 250 mA continuous current per channel, undervoltage lockout (2 V threshold), and integrated thermal/short-circuit protection with open-drain OC outputs-designed for hot-plug USB peripherals and modular embedded systems requiring controlled inrush current and fault isolation.

For engineers reviewing the TPS2096D datasheet, TPS2096D pinout, TPS2096D application, or TPS2096D equivalent, key selection criteria include per-channel enable polarity (active-low for all four inputs), SOIC-16 package footprint, 2.7–5.5 V input range, 2.5-ms typical rise time, and dual thermal trip architecture enabling independent channel shutdown during overtemperature events.

Technical Context

The TPS2096D integrates four independent high-side switches, each driven by an internal charge pump that operates down to 2.7 V and eliminates external components while controlling gate voltage slew to limit EMI. Each channel features dedicated enable logic (EN1–EN4, all active-low) and shares two overcurrent indicators: OCA for channels 1–2 and OCB for channels 3–4.

Its protection architecture includes current-limiting (0.5 A short-circuit trip), thermal shutdown at ~140°C with ~20°C hysteresis, and undervoltage lockout below ~2 V. The device implements dual thermal trip logic-shutting down only the faulted channel at 140°C and both channels of a pair at 160°C-preserving partial functionality during localized faults.

Key Specifications

Pinout & Package

TPS2096D is housed in a 16-pin SOIC (D) package with 1.27 mm pitch, JEDEC MS-012AC compliant, rated for 0°C to 85°C ambient operation and RoHS-compliant NIPDAU lead finish (MSL Level-1).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad high-side power switch applications.

Compared with TPS2096D, TPS2056D offers lower conduction loss but reduced current rating and coarser fault reporting, while TPS22965DCKR provides superior per-channel performance at the cost of quadrupled component count and zero integrated protection-making TPS2096D optimal for compact, fault-resilient quad-rail designs.

Availability

TPS2096D is available at Aetrix Electronics and suitable for USB peripheral power management, hot-pluggable module supply, and industrial I/O protection requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for TPS2096D 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 leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in power management IC design and manufacturing.

The TPS209x family was developed specifically for robust, low-EMI hot-plug power distribution in computing, industrial, and communications equipment-emphasizing fault resilience, ease of integration, and predictable current limiting without external components.

FAQ

What is the enable input logic polarity for TPS2096D?

The TPS2096D uses active-low enable inputs: EN1 through EN4 must be pulled low to turn on their respective high-side switches. When any EN pin is high, its channel remains off with <10 μA supply current. This polarity allows direct connection to microcontroller GPIOs configured as open-drain or push-pull outputs without inversion logic.

Does TPS2096D support bidirectional current flow?

Yes, TPS2096D supports bidirectional current flow in the sense that it blocks reverse current from OUT to IN when disabled, preventing backfeeding into the source rail. However, it is not a true bidirectional switch like a transmission gate-it conducts only from IN to OUT when enabled, with body diode conduction blocked by the high-side topology.

How does the thermal protection work in TPS2096D?

TPS2096D implements dual thermal trip logic: at ~140°C junction temperature, only the faulted channel shuts down; if temperature rises further to ~160°C, both channels sharing a thermal domain (1–2 or 3–4) shut off. Recovery occurs automatically after cooling ~20°C, enabling fault containment without full system reset.

What is the purpose of separate GNDA and GNDB pins on TPS2096D?

GNDA and GNDB provide isolated ground return paths for the two channel pairs (1–2 and 3–4). This separation minimizes ground coupling noise and prevents fault currents in one pair from affecting voltage reference integrity or OC detection accuracy in the other pair-critical for mixed-signal or noise-sensitive applications.

Can TPS2096D be used with a 3.3 V supply?

Yes, TPS2096D operates fully across 2.7 V to 5.5 V, including standard 3.3 V rails. Its internal charge pump ensures proper gate drive at 3.3 V, and all specifications-including 250 mA per channel, 80-mΩ rDS(on), and 2.5-ms rise time-are guaranteed at this voltage. Enable inputs remain TTL/CMOS-compatible within this range.