PD64001-0121

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Power Over Ethernet (PoE) Controllers, such as the PD64001-0121, are designed to enable power delivery and control of Ethernet networks. PoE Controller devices are used to provide both power and data connectivity to a variety of PoE-enabled network devices such as VoIP phones, wireless access points and IP cameras. The PD64001-0121 is a current-mode, single-port controller device that offers both PoE-Lite and PoE-Full support.

The PD64001-0121 features various operational regimes to enable PoE applications in a broad variety of scenarios. It can be used to provide primary side power negotiation (Type-1) and secondary side negotiation (Type-2) support, as well as optional Primary PD ( Powered Device ) control and monitoring capabilities. This makes the PD64001-0121 suitable for both end-users and OEMs who require full PoE control.

The PD64001-0121 supports both the IEEE 802.3af class 0 and the IEEE 802.3at class 1-4 modes. This enables the design of advanced PoE applications with up to 15.4 W of power in Class 0 and up to 25.5 W of power in Class 4 mode. Additionally, the device offers support for the low power requirements of the IEEE 802.3at Class 0, allowing less than 3.84 W of load power.

The PD64001-0121 features a sophisticated current-mode seg-driver control scheme which allows for a managed current delivery in PoE-Lite and PoE-Full applications. This ensures that power is delivered as required, while additional features such as end-of-line (EOL) detection and overload protection, maximize system reliability. By using a current-mode control and management scheme, the PD64001-0121 is able to negotiate the required power while the connected PoE-enabled device is active, thus reducing time to full power delivery.

In addition to power management, the PD64001-0121 also supports various safety and fault detection features. This includes over-current and short-circuit detection to ensure that power delivery is managed carefully and safely. Furthermore, the PD64001-0121 supports the design of robust systems with a wide temperature range (-40°C to 85°C).

Finally, the PD64001-0121 incorporates an Active Discharge circuit, which ensures that the output voltage is kept low if the device is disconnected from the power source. This helps to ensure optimal safety in the event of a power outage. This is further supported by the built-in ESD protection circuitry, which helps to protect the device against electrostatic discharges.

In summary, the PD64001-0121 is a single-port Power Over Ethernet (PoE) Controller specifically designed to offer a wide range of operational modes to support a variety of applications. It features advanced current-mode seg-driver control, comprehensive safety and fault detection features, as well as over-temperature and overload protection, to maximize system reliability and safety. With a wide range of supported IEEE 802.3af and 802.3at modes, the PD64001-0121 is an ideal choice for both end-users and OEMs who require reliable power and data delivery for their PoE-enabled network devices.

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