V1.6 Aug 2018
Data Sheet
Ag6400
POE+ Power-Sourcing-Equipment Module
Table of Contents
1. Features .......................................................................................................................1
2. Description....................................................................................................................1
Table of Contents .............................................................................................................2
Table of Figures ...............................................................................................................3
3. Ag6400 Product Selector..............................................................................................4
4. Pin Description .............................................................................................................5
5. Functional Description ..................................................................................................6
5.1 Power Supplies......................................................................................................6
5.2 Output Ports ..........................................................................................................6
5.3 Selection Inputs .....................................................................................................7
5.3.1 MID.................................................................................................................7
5.3.2 MODE.............................................................................................................7
5.4 I2C Interface...........................................................................................................8
5.4.1 I2C Timing.......................................................................................................8
5.4.2 I2C Module Address......................................................................................10
6. Signature and Classification .......................................................................................10
6.1 Signature Detection .............................................................................................11
6.2 Classification .......................................................................................................12
6.3 Current Cutoff and Limits.....................................................................................13
7. Software Mode ...........................................................................................................14
7.1 Register Map .......................................................................................................14
7.1.1 Interrupt Registers........................................................................................16
7.1.2 Event Registers ............................................................................................17
7.1.3 Status Registers ...........................................................................................22
7.1.4 Configuration Registers ................................................................................25
7.1.5 Action Registers ...........................................................................................28
7.1.6 Timing Limit Registers ..................................................................................29
7.1.7 Measurement Registers ...............................................................................30
7.1.8 Power Management Registers .....................................................................32
7.2 System Software .................................................................................................35
7.2.1 Initialisation...................................................................................................35
7.2.2 Detection – Signature and Classification ......................................................35
7.2.3 PD Disconnected..........................................................................................36
8. Protection ...................................................................................................................36
9. Electrical Characteristics ............................................................................................37
9.1 Absolute Maximum Ratings1................................................................................37
9.2 Recommended Operating Conditions..................................................................37
9.3 Electrical Characteristics .....................................................................................38
9.4 Timing Characteristics .........................................................................................39
10. Package ..................................................................................................................40
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