Microchip Technology PD70101
The PD70101 and PD70201 devices are integrated Powered Device (PD) interface and PWM controllers for a DC-DC converter used in IEEE® 802.3af and IEEE® 802.3at applications. The PD70101 device can be used for IEEE 802.3af or IEEE 802.3at Type 1 applications, while the PD70201 device can also be used in IEEE 802.3at Type 2 applications. These devices have a number of features designed to improve efficiency and reliability: • Detection and Classification: The front-end interface includes detection and classification circuitry.| Part No. | PD70101 |
|---|---|
| Datasheet | PD70101 Download |
| Manufacturer |  Microchip Technology |
| Description | 802.3af/at PD Controller |
| Buy | Stock & Price |
FEATURES
The following is a list of features that are supported in this device.● Designed to support IEEE 802.3af and IEEE 802.3at standards.
● PD Detection and Programmable Classification Signature
● Two-Events Classification Flag
● Signature Resistor Disconnection after Detection
● Integrated 0.6 Ω Isolating Switch and Inrush Current Limiter
● 4-Pairs support with a single PD70201 IC for up to 48 W
● 4-Pairs support with two PD70201 ICs for up to 96 W
● Less than 10μA Offset Current during Detection
● Single DC Voltage Input (36 V – 57 V)
● Wide Operating Temperature Range: −40 to 85 °C
● On-Chip Thermal Protection
● Integrated PWM - 100 kHz to 500 kHz adjustable DC-DC switching frequency DC-DC frequency can be synchronized to external clock
● Supports low power mode operation for higher efficiency – 50% maximum duty cycle – Soft-start circuit to control the output voltage rise time
● Two out-of-phase driver stages for efficient synchronous rectification or active clamp
● PoE port i...
