Si3452C-B01-GM datasheet(8/36 Pages) SILABS

部件名	Si3452C-B01-GM

功能描述	QUAD HIGH-VOLTAGE PORT CONTROLLER FOR POE AND POE PSES

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制造商	SILABS [Silicon Laboratories]

网页	http://www.silabs.com

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8 / 36 page

Si3452/3

8

Rev. 1.0

Table 8. Port Measurement and Monitoring Specifications

Description

Symbol

Test Conditions

Min

Typ

Max

Unit

Port current measurement

offset

IOFFSET

20 mA

≤ I

PORT ≤ ICUT. For final

IPORT reading, add offset to% of

reading tolerance.

–5

—

5

mA

Port current measurement

tolerance

%TOL

–4

—

4

%

Table 9. SMBus (I2C) Electrical Specifications

VDD = 3.0 to 3.6 V

Description

Symbol

Test Conditions

Min

Typ

Max

Unit

Input low voltage

VIL

SCL, SDA pins Tj < –10 °C

—

0.85

V

SCL, SDA pins over full temp range

0.8

Input high voltage

VIH

SCL, SDA pins

2.2

—

V

Output low voltage

VOL

SCL, SDA pins,

driving

≤ 8.5 mA

——

0.6

V

Input leakage current

IL

SCL, SDA pins

—

40

µA

Table 10. Address Pin Electrical Specifications*

VDD = 3.0 to 3.6 V

Description

Symbol

Test Conditions

Min

Typ

Max

Unit

Input low voltage

VIL

AD0, AD1, AD2, AD3 pins

—

0.8

V

Input high voltage

VIH

AD0, AD1, AD2, AD3 pins

0.7 x VDD

——

V

Input leakage current

IH, IL

AD0, AD1, AD2, AD3 pins

–10

—

10

µA

*Note: At power-up, these pins are logic inputs. A 10 k

 pull up or pull down resistor is used for address selection. After

address recognition, the pins are used for internal communications.

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