Texas Instruments TPS92200D1EVM

Overview

TPS92200D1EVM from Texas Instruments is a 30-V, 1.5-A synchronous buck LED driver evaluation module designed to validate the TPS92200D1 IC in high-current lighting applications. It supports analog dimming with 0.65 V–1.2 V DC input and PWM dimming at 100 Hz–2 kHz, delivers up to 96% efficiency at 12 V input with IR LEDs, and features full protection including LED open/short, sense resistor fault, and thermal shutdown.

For engineers reviewing the TPS92200D1EVM datasheet, TPS92200D1EVM pinout, TPS92200D1EVM application, or TPS92200D1EVM equivalent, this EVM enables rapid characterization of analog/PWM dimming performance, line/load regulation, current ripple (<10 mApp), and efficiency across 4–30 V input and 1–30 V output ranges - critical for automotive interior lighting, industrial signage, and high-brightness display backlighting.

Technical Context

The TPS92200D1EVM implements the TPS92200D1 buck regulator in a fully assembled, tested PCB layout optimized for low-noise LED current regulation. It operates with a fixed 1-MHz switching frequency, supports 0.5 A default output (scalable to 1.5 A), and uses external feedback resistors and a 4.7-μH shielded inductor to maintain stable current under varying LED forward voltage (1–30 V) and input conditions (4–30 V).

Dimming control is implemented via TP7: analog mode accepts 0.65–1.2 V DC for 1–100% current scaling; PWM mode accepts 3.3 V square wave (0–100% duty, 100 Hz–2 kHz) with fast transient response and minimal current overshoot. Protection circuitry actively monitors LED+–LED−, sense resistor integrity, and die temperature to disable switching upon fault detection.

Key Specifications

Availability

TPS92200D1EVM is available at Aetrix Electronics and suitable for automotive interior lighting, industrial signage, and high-brightness display backlighting requiring stable component supply, pre-validated reference design integration, and rapid prototyping support.

Supply support for TPS92200D1EVM 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 50 years of leadership in precision analog and high-reliability power solutions.

The TPS92200D1EVM belongs to TI's LED driver evaluation platform family, engineered specifically to accelerate development of high-efficiency, high-current buck-based lighting systems with robust dimming fidelity and integrated safety monitoring.

FAQ

What is the primary function of the TPS92200D1EVM?

The TPS92200D1EVM is an evaluation module that demonstrates and validates the operation of the TPS92200D1 synchronous buck LED driver IC. It provides a ready-to-use hardware platform for testing analog and PWM dimming performance, efficiency, line/load regulation, and protection features - eliminating the need for custom PCB design during early-stage LED driver development.

Does the TPS92200D1EVM support both analog and PWM dimming simultaneously?

No, the TPS92200D1EVM supports either analog dimming (0.65 V–1.2 V DC input at TP7) or PWM dimming (3.3 V square wave, 100 Hz–2 kHz), but not both concurrently. The dimming mode is determined by the signal applied to TP7; the TPS92200D1EVM does not include automatic mode selection circuitry.

What is the default output current setting on the TPS92200D1EVM?

The TPS92200D1EVM is configured for a default output current of 0.5 A using onboard current-sense resistors. This can be scaled up to 1.5 A by modifying R2/R3 (0.1 Ω, 1206) per the TPS92200D1 datasheet equations - no changes to the TPS92200D1EVM board layout are required beyond resistor replacement.

Which LED configurations are validated for use with the TPS92200D1EVM?

The TPS92200D1EVM has been characterized with 1–6 white LEDs (3.1 V typical VF at 1.5 A) and 1–5 infrared LEDs (1.7 V typical VF at 1.5 A). Load voltage range spans 1 V to <30 V, constrained only by input voltage headroom and the TPS92200D1's 30-V maximum VIN rating.

How is overtemperature protection implemented on the TPS92200D1EVM?

The TPS92200D1EVM relies on the internal thermal shutdown circuitry of the TPS92200D1 IC (U1), which disables switching when the junction temperature exceeds ~150°C. No external thermistor or thermal pad is included on the EVM; thermal performance depends on PCB copper area, airflow, and ambient conditions as documented in the SLUUBZ9 user's guide.