Part Number: PD70224ILQ-TR

Manufacturer: Microchip Technology


Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us

Technical Specifications of PD70224ILQ-TR

Datasheet  PD70224ILQ-TR datasheet
Category Integrated Circuits (ICs)
Family PMIC – OR Controllers, Ideal Diodes
Manufacturer Microsemi Corporation
Packaging Tape & Reel (TR)
Part Status Active
Type Bridge Rectifier
FET Type N-Channel
Ratio – Input:Output Bridge (2)
Internal Switch(s) Yes
Delay Time – ON
Delay Time – OFF
Current – Output (Max) 1.5A
Current – Supply 900μA
Voltage – Supply 57V (Max)
Applications Power Over Ethernet (PoE)
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 40-VFQFN (32 Leads) Exposed Pad
Supplier Device Package 40-QFN (6×8)


The demand for efficient and dependable power solutions is always increasing in today’s technology-driven environment. PoE applications, in particular, have grown in popularity, powering devices such as IP cameras, wireless access points, and IoT sensors. The PD70224ILQ-TR, which is a full-bridge rectifier with two MOSFETs, has become a game-changing way to meet these needs. In this detailed tutorial, we will look at every aspect of the PD70224ILQ-TR, including its characteristics, uses, and the benefits it provides to the world of power distribution.

Understanding the PD70224ILQ-TR

The PD70224ILQ-TR is a highly effective component that is more than just a rectifier; it is designed to improve the effectiveness as well as the output power of applications that use PoE. Let’s go over some of its most important characteristics:

MOSFET-Based Full-Bridge Rectification

N-channel MOSFETs with a low RDS value (0.16 ) serve as the driving force behind the PD70224ILQ-TR. These high-quality MOSFETs are a crucial component in the overall efficiency and power delivery improvements that have been made. The forward drop of the PD70224ILQ-TR is significantly lower than that of conventional diode bridges, coming in at only 192 mV when the current draw is 0.6 A. In contrast, most bridge rectifiers display a forward drop of 2,000 mV as a characteristic. This remarkable decrease in forward drop translates to increased efficiency, making it suited for a variety of PoE applications.

On-Chip Drive Circuitry

The PD70224ILQ-TR has a self-contained driving circuitry for MOSFETs, which is one of the most notable qualities of this product. This on-chip approach makes the design process much easier to complete while also ensuring precise control over the N-channel MOSFETs. In addition, the PD70224ILQ-TR comes equipped with a charge pump that may be used to drive the high-side N-channel MOSFETs, which further enhances the device’s performance.

Wide Range of Supported Standards

The IEEE 802.3af, IEEE 802.3at, IEEE 802.3bt (Type 3 and Type 4), Universal PoE (UPOE), and Power over HDBase-T (PoH) protocols are all supported by the PD70224ILQ-TR. Because of its versatility, it can be used for a wide range of applications, from low-power devices to high-power equipment.

Power Identification

This extraordinary component is capable of determining whether a 2-pair or 4-pair PSE is providing power through the connection. This is accomplished by monitoring the voltage on the line (un-rectified) side of the pairs, hence improving system intelligence.

Additional  Features of the PD70224ILQ-TR

Beyond its core functionalities, the PD70224ILQ-TR offers a range of valuable supplementary features:

“Power Present” Indicators

  • These indicators aid in the identification of 4-pair bridge power, improving precision and efficiency in PoE systems.

Adapter Priority Pin

  • A dedicated pin enables power sources to be prioritized, ensuring vital devices receive uninterrupted power.

Low Leakage

  • It minimizes power losses while detecting with less than 10A leakage, maximizing energy efficiency.

Wide Voltage Range

  • The PD70224ILQ-TR can handle voltages of up to 57 V, making it suitable for a wide range of applications.

Robust Temperature Tolerance

  • It works successfully in temperatures ranging from -40 to 85 degrees Celsius.

40-Pin Package

  • Its 40-pin package makes integration into electronic systems easier.

MSL3 and RoHS Compliance

  • MSL3 compliant for moisture resistance and RoHS compliant for environmental responsibility.
  • These extra capabilities increase the PD70224ILQ-TR’s adaptability, dependability, and efficiency across a wide range of applications.

Applications of the PD70224ILQ-TR

The PD70224ILQ-TR’s versatility opens doors to a wide range of applications, making it a valuable component in various industries:

Power over Ethernet (PoE) Devices

The PD70224ILQ-TR is tailor-made for PoE devices, including:

  • IP Cameras:Reliable power delivery ensures uninterrupted surveillance.
  • VoIP Phones:Ensures constant connectivity and call quality.
  • Wireless Access Points:Supports seamless wireless networking.

Industrial Automation

In industrial environments, where robustness and dependability are paramount, the PD70224ILQ-TR finds application in:

  • Sensors:Powering sensors critical for monitoring and control.
  • Control Systems:Ensuring the continuous operation of control systems.

Smart Building Solutions

For IoT devices and smart building solutions, the PD70224ILQ-TR’s ability to identify power sources offers advantages in:

  • Power Management:Optimizing power allocation for IoT devices.
  • Sustainability:Supporting energy-efficient building solutions.

Networking Equipment

The efficiency and power management capabilities of the PD70224ILQ-TR benefit networking infrastructure, including:

  • Switches:Ensuring reliable data transmission.
  • Routers:Maintaining network connectivity during power fluctuations.

As technology continues to advance, the PD70224ILQ-TR proves its adaptability and reliability across these diverse applications, contributing to more efficient and dependable power solutions.

Frequently Asked Questions (FAQs)

● What exactly is the PD70224ILQ-TR?

The PD70224ILQ-TR is an N-channel bridge OR controller bridge rectifier built in a 40-QFN (6×8) chip. It is a semiconductor component used in electronic circuits to correct alternating current (AC) and adjust the output voltage.

● What are the main characteristics of the PD70224ILQ-TR?

The PD70224ILQ-TR may have high voltage and current ratings, a low forward voltage drop, a compact package size, and compatibility with a variety of electronic applications.

● Where is the PD70224ILQ-TR commonly used?

This component is widely used in power supply circuits, battery chargers, and any other application requiring AC-to-DC conversion and voltage regulation. Because of its small size, it is also suited for designs where space is limited.

● As an OR controller, how does the PD70224ILQ-TR work?

Because this component has an OR controller, it can accommodate several input sources and choose the higher voltage source to give power. It enables power supply system redundancy. When two input sources are connected, it will select the one with the highest voltage.

● What are the PD70224ILQ-TR’s electrical properties?

Maximum voltage ratings, maximum current ratings, reverse leakage current, forward voltage drop, and operating temperature range are examples of electrical characteristics. These parameters are required for the component to be designed and integrated into a circuit.


The PD70224ILQ-TR marks a breakthrough in PoE power solutions. It boasts MOSFET-based full-bridge rectification, onboard drive circuitry, and versatile PoE standard support, addressing today’s power-hungry devices. Its intelligent power source identification sets it apart.

In a world of ever-evolving tech, the PD70224ILQ-TR ensures efficient, reliable power delivery. Elevate your electronic designs. Contact ICRFQ now to integrate the PD70224ILQ-TR into your project. Unlock the potential of a connected future – act today!

4.8/5 - (397 votes)
Kevin Chen