STHS2375AM6F datasheet(8/20 Pages) STMICROELECTRONICS

Numer części	STHS2375AM6F

Szczegółowy opis	IEEE 802.3af PoE Powered Device (PD) interface controller

PDF	20 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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8 / 20 page

Summary description

STHS237x

8/20

Figure 4.

Application circuit overview (STHS2375A/L, STHS2377A/L)

Note:

This configuration uses either data wires or spare wires for DC power.

Table 3.

IEEE802.3af PD power classes and corresponding RCLASS values

Class

Usage

Max. Power at Input of

PD (W)

Classification Load

Current Limits (mA)

RCLASS Resistor

(

Ω, 1%)

Default

0.44 to 12.95

0-4

4420

Optional

0.44 to 3.84

9-12

953

Optional

3.84 to 6.49

17-20

549

Optional

6.49 to 12.95

26-30

357

Reserved

Reserved(1)

Class 4 is currently reserved and should not be used.

36-44

255

Data to Ethernet Physical Layer Device

100

100µF,

100V

0.1µF,

100V

To DC/DC

Converter

Data to Ethernet Physical Layer Device

CLASS

ILIM

SMAJ58A

RCLASS

RDET

RILIM

STHS2375A/L

STHS2377A/L

VSS

VDD

RTN

AI12240a

2x DF01S

Pair

Spare

Pair

Spare

Pair

RJ-45

Pair

DET

24.9k

Ω,

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