TPS23734EVM-094 Evaluation Module

1 TPS23734EVM-094 Evaluation Module

This user’s guide describes the TPS23734 evaluation module (EVM). The TPS23734 evaluation module (TPS23734EVM-094) contains evaluation and reference circuitry for the TPS23734, which is a IEEE802.3bt Class 4 PoE PD, EA Gen 2 Ready, controller suitable for Class 4 (25.5 W) PoE PD applications. The TPS23734EVM-094 is targeted for a 5-V active clamp forward high efficiency 25-W solution.

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1 Introduction

The TPS23734EVM-094 allows reference circuitry evaluation of the TPS23734 device. The TPS23734EVM-094 contains input and output power connectors and an array of onboard test points for circuit evaluation.

1.1 Features

IEEE802.3bt Class 4 compliant PoE PD
Integrated PWM controller for active clamp forward configuration
Frequency dithering for EMI reduction
Soft-start control with advanced start-up and hiccup mode overload protection
Soft-stop shutdown

1.2 Applications

IEEE 802.3bt compliant devices
Video and VoIP telephones
Access points
Pass-through system
Security cameras
Redundant power feeds or power sharing