PD70224
PD70224 is Dual MOSFET-Based Bridge Rectifier manufactured by Microchip Technology.
Features
- Active circuit with low forward-drop to replace dissipative passive diode bridges
- Self-contained drive circuitry for MOSFETs
- Designed to support IEEE 802.3af/at/bt, Universal Po E (UPOE), and Power over HDBase-T (Po H)
- Integrated 0.16 Ω N-Channel MOSFETs for 0.32 Ω total path resistance
- “Power present” indicator signals for identifying 4-pair bridge power
- Dedicated pin to implement adapter priority
- Low leakage, <10 μA during detection
- Wide operating voltage range up to 57 V
- -40 °C to 85 °C ambient
- Available in 40-pin package
- MSL3, Ro HS pliant
Applications
- Power over Ethernet IEEE 802.3bt/at/af
- Proprietary 4-pair standards, UPOE, and POH
© 2020 Microchip Technology Inc.
DS00003575C-page 1
Figure 1. Dual Conventional Bridge Versus Single Ideal Bridge
Technical Support and Documentation
For technical support visit the Microchip Technical Support Portal at: microchipsupport.force./s/. For access to any related application note or documentation please consult your local Microchip Client Engagement Manager or visit our website at .microchip./poe.
© 2020 Microchip Technology Inc.
DS00003575C-page 2
Table of Contents
Introduction 1 Features
1 Applications 1 Technical Support and Documentation 2
1....
