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AS1851A - Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter

Datasheet Summary

Description

The AS1851A and AS1831A devices each integrate Akros GreenEdge™ High Voltage Isolation technology with Power-overEthernet (PoE) PD and Synchronous DC-DC power conversion technology.

Features

  • Digitally Isolated Programmable Power PoE PD Controller  .
  • Type 1 and Type 2 IEEE® 802.3af & 802.3at Compliant PD (AS1851A), Type 1 only (AS1831A).
  • Automatic PoE-Plus (Type 2) detection in HW and I2C Modes (AS1851A only).
  • Low Resistance PD Power FET Switch (0.5 typical)  Primary‐Side DC‐DC Controller .
  • High-efficiency DC-DC Controller with Digital Optimization.
  • Primary-Secondary High-voltage integrated Digital Isolation.
  • Programmable Primary Clock Frequency Local-p.

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Datasheet preview – AS1851A

Datasheet Details

Part number AS1851A
Manufacturer Akros Silicon
File Size 0.96 MB
Description Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter
Datasheet download datasheet AS1851A Datasheet
Additional preview pages of the AS1851A datasheet.

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Full PDF Text Transcription

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AS1851A/31A — Digital Power PoE PD Controllers w/HV Isolation & Synchronous DC-DC Converter GENERAL DESCRIPTION The AS1851A and AS1831A devices each integrate Akros GreenEdge™ High Voltage Isolation technology with Power-overEthernet (PoE) PD and Synchronous DC-DC power conversion technology. The AS1851A includes a 13W/25W (Type 1 and Type 2) IEEE®802.3af/at compliant PD integrated with high-voltage isolation and a digital power Synchronous DC-DC converter. The AS1831A includes a 13W (Type 1) IEEE®802.3af/at compliant PD integrated with high-voltage isolation and a digital power Synchronous DC-DC converter.
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