ADT7490(2016) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

ADT7490
(Rev.:2016)

Remote Thermal Monitor and Fan Controller with PECI Interface

ON Semiconductor 

ADT7490

Table 5. COMPARISON OF ADT7490 AND ADT7476A CONFIGURATIONS

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

ADT7490

SDA

SCL

GND

VCC

GPIO1

GPIO2

PECI

VTT

TACH3

PWM2/SMBALERT

TACH1

TACH2

PWM3/ADDREN

TACH4/THERM/SMBALERT/ADDR SELECT

D2−

D2+

D1−

D1+

IMON

+5 VIN

+12 VIN

+2.5 VIN/ THERM

VCCP

PWM1/XTO

ADT7476A

SDA

SCL

GND

VCC

VID0/GPIO0

VID1/GPIO1

VID2/GPIO2

VID3/GPIO3

TACH3

PWM2/SMBALERT

TACH1

TACH2

PWM3/ADDREN

TACH4/THERM/SMBALERT/GPIO6/ADDR SELECT

D2−

D2+

D1−

D1+

VID4/GPIO4

+5 VIN

+12 VIN/VID5

+2.5 VIN/ THERM

VCCP

PWM1/XTO

TYPICAL PERFORMANCE CHARACTERISTICS

4.7

4.5

4.3

DEV 1

DEV 3

4.1

DEV 2

3.9

3.7

3.5

3.0 3.1 3.2 3.3 3.4 3.5 3.6

VDD (V)

Figure 3. Supply Current vs. Supply Voltage

4.24

4.22

DEV 2

4.20

4.18

DEV 1

4.16

4.14

DEV 3

4.12

−40 −20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Figure 4. Supply Current vs. Temperature

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