TPS23756PWPR
High-efficiency PoE interface and DC/DC controller ICs in compact HTSSOP packages
Manufacturer： ti
series introduction
# TPS23756PWPR Product Series Introduction
## 1. Overview
The TPS23756PWPR is a highly advanced and versatile product series within the realm of power management integrated circuits (PMICs). Specifically designed for Power over Ethernet (PoE) applications, this series offers a comprehensive solution for both Power Sourcing Equipment (PSE) and Powered Devices (PD). It combines high - performance features with robust protection mechanisms, making it an ideal choice for a wide range of networked devices.
## 2. Key Features
### 2.1 PoE Compliance
- **IEEE 802.3af/at/bt Standards**: The TPS23756PWPR is fully compliant with the latest IEEE 802.3 standards for PoE. This ensures seamless integration with existing and future PoE - enabled networks. It can support different power classes, from the lower - power requirements of Class 1 devices (up to 4W) to the higher - power demands of Class 8 devices (up to 90W), providing flexibility for various applications.
- **Type 1 and Type 2 Support**: It offers support for both Type 1 (up to 15.4W) and Type 2 (up to 30W) PoE systems, allowing for compatibility with a broad spectrum of network infrastructure and end - user devices.
### 2.2 High - Efficiency Power Conversion
- **Integrated Switching Regulators**: The product series features integrated switching regulators that provide high - efficiency power conversion. This helps in reducing power losses and heat dissipation, which is crucial for maintaining the reliability and longevity of the device. The high efficiency also translates into lower energy consumption, making it an environmentally friendly choice.
- **Adaptive Voltage Scaling**: It incorporates adaptive voltage scaling technology, which adjusts the output voltage based on the load requirements. This ensures that the device operates at the optimal voltage level, further improving efficiency and reducing power waste.
### 2.3 Robust Protection Mechanisms
- **Over - Voltage Protection (OVP)**: The TPS23756PWPR is equipped with OVP to safeguard the connected devices from excessive voltage. In case of a voltage spike in the power supply, the OVP circuit will quickly activate and limit the voltage to a safe level, preventing damage to the sensitive components.
- **Over - Current Protection (OCP)**: OCP is another important protection feature. It monitors the current flowing through the device and shuts off the power supply if the current exceeds a predefined threshold. This protects the device from overheating and potential short - circuit damage.
- **Thermal Protection**: To prevent overheating, the product series has built - in thermal protection. When the temperature of the device rises above a safe level, the thermal protection mechanism will reduce the power output or shut down the device until the temperature returns to a normal range.
### 2.4 Advanced Communication and Control
- **I²C Interface**: The TPS23756PWPR features an I²C interface, which allows for easy communication and control with a microcontroller or other host devices. Through the I²C interface, users can configure various parameters such as power levels, protection thresholds, and diagnostic functions.
- **Diagnostic and Monitoring Capabilities**: It provides comprehensive diagnostic and monitoring features. These include real - time monitoring of power consumption, voltage levels, and temperature. The diagnostic information can be used for troubleshooting, system optimization, and predictive maintenance.
## 3. Applications
### 3.1 Network Infrastructure
- **Ethernet Switches**: The TPS23756PWPR can be used in Ethernet switches to provide PoE functionality. It enables the switch to power connected devices such as IP phones, wireless access points
Images for reference
20-TSSOP Epad
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