參數(shù)資料
型號: SI3452D-B01-GM
廠商: Silicon Laboratories Inc
文件頁數(shù): 35/36頁
文件大?。?/td> 0K
描述: IC POE CONTROLLER MIDSPAN 40QFN
特色產(chǎn)品: Si3452 Quad High-Voltage Port Controller for PoE and PoE+PSEs
標準包裝: 50
控制器類型: 以太網(wǎng)供電控制器(POE)
接口: I²C
電源電壓: 3 V ~ 3.6 V
電流 - 電源: 14mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤
供應商設備封裝: 40-QFN(6x6)
包裝: 管件
配用: SMARTPSE24-KIT-ND - KIT EVAL REF 24PORT SPI/UART
其它名稱: 336-1835-5
Si3452
8
Rev. 1.3
Table 8. Port Measurement and Monitoring Specifications
Description
Symbol
Test Conditions
Min
Typ
Max
Unit
Port Current Measurement
Offset
IOFFSET
20 mA ≤ IPORT ≤ 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
0.8*
V
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
A
*Note:
0.85 V for Tj >–10 °C. This ensures compatibility with Si840x isolators with 3 k pull up. For isolator compatibility over
the full temperature range, use Si860x isolators.
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
A
*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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