MAX5980 MAXIM [Maxim Integrated Products], MAX5980 Datasheet - Page 14

• Manufacturer Part Number: MAX5980
• Description: Quad, IEEE 802.3at/af PSE Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

Quad, IEEE 802.3at/af PSE Controller
for Power-over-Ethernet
14
MIDSPAN
EN_CL5
A3–A0
DGND
AGND
AUTO
V
V
INT
DD
EE
MONITORS
BIAS AND
INTERFACE (SPI)
ANALOG
SUPPLY
SCL
REGISTER FILE
SERIAL PORT
SDAIN SDAOUT
CENTRAL LOGIC
UNIT (CLU)
INTERNAL
REFERENCES
AND SUPPLIES
DIGITAL BIAS
MACHINE (SM)
PORT STATE
EN
THRESHOLD
SETTINGS
POWER
ENABLE
MAX5980
FOLDBACK CONTROL
AND OPEN-CIRCUIT
AND CURRENT-LIMIT
CURRENT LIMIT,
OVERCURRENT,
VOLTAGE PROBING
SENSING, AND
SVEE1
CLASSIFICATION
DETECTION AND
GATE-DRIVE
CONTROL
CONTROL
CONTROL
SVEE2
FAST DISCHARGE
V
FOLDBACK CONTROL
EE
9-BIT ADC
CONVERTER
SENSE_
Functional Diagram
CURRENT SENSING
VOLTAGE
SENSING
OUT_
GATE_
SENSE_