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ADT7490ARQZ

更新时间： 2024-02-26 19:43:39
品牌 Logo 应用领域
亚德诺 - ADI 模拟IC风扇信号电路光电二极管监控控制器
页数 文件大小 规格书
76页 1623K
描述
dBCool Remote Thermal Monitor and Fan Controller with PECI Interface

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ADT7490ARQZ 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP, SSOP24,.24
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.04Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：8.6614 mm
功能数量：1端子数量：24
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP24,.24封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.3 V认证状态：Not Qualified
座面最大高度：1.7526 mm子类别：Motion Control Electronics
最大供电电流 (Isup)：5 mA最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：3 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：AUTOMOTIVE
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9116 mmBase Number Matches：1

ADT7490ARQZ 数据手册

 浏览型号ADT7490ARQZ的Datasheet PDF文件第4页浏览型号ADT7490ARQZ的Datasheet PDF文件第5页浏览型号ADT7490ARQZ的Datasheet PDF文件第6页浏览型号ADT7490ARQZ的Datasheet PDF文件第8页浏览型号ADT7490ARQZ的Datasheet PDF文件第9页浏览型号ADT7490ARQZ的Datasheet PDF文件第10页 
ADT7490  
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS  
SDA  
SCL  
GND  
24 PWM1/XTO  
1
23  
2
V
CCP  
22  
21  
3
+2.5V /THERM  
IN  
V
4
+12V  
IN  
CC  
GPIO1  
GPIO2  
PECI  
20 +5V  
IN  
5
ADT7490  
6
19  
I
MON  
TOP VIEW  
(Not to Scale)  
7
18 D1+  
D1–  
D2+  
8
17  
16  
V
TT  
9
TACH3  
PWM2/SMBALERT  
TACH1  
10  
11  
12  
15 D2–  
14  
TACH4/THERM/SMBALERT/ADDR SELECT  
13 PWM3/ADDREN  
TACH2  
Figure 3.Pin Configuration  
Table 4. Pin Function Descriptions  
Pin No. Mnemonic Type  
Description  
1
2
3
4
5
SDA  
SCL  
GND  
VCC  
Digital I/O  
Digital Input  
Ground  
SMBus Bidirectional Serial Data. Open drain, requires SMBus pull-up.  
SMBus Serial Clock Input. Open drain, requires SMBus pull-up.  
Ground Pin.  
3.3 V 10%.  
Power Supply  
GPIO1  
Digital Input/Output General-Purpose Open-Drain Digital Input/Output. Frequently used for switching  
loadline resistors into VR loadline circuitry or for switching LEDs using external FETs.  
6
7
8
GPIO2  
PECI  
VTT  
Digital Input/Output General-Purpose Open-Drain Digital Input/Output. Frequently used for switching  
loadline resistors into VR loadline circuitry or for switching LEDs using external FETs.  
Digital Input  
PECI Input to Report CPU Thermal Information. PECI voltage level is referenced on the  
TT input  
V
Analog Input  
Voltage Reference for PECI. This is the supply voltage for the PECI interface and must be  
present to measure temperature over the PECI interface. This voltage is also monitored  
and presented in register 0x1E.  
9
10  
TACH3  
PWM2/  
Digital Input  
Digital Output  
Fan Tachometer Input to Measure Speed of FAN 3 (Open-Drain Digital Input).  
Pulse Width Modulated Output to Control FAN 2 Speed. Open drain requires 10 kΩ  
typical pull-up.  
SMBALERT  
Digital Output (Open Drain). This pin can be reconfigured as an SMBALERT interrupt  
output to signal out-of-limit conditions.  
11  
12  
13  
TACH1  
TACH2  
PWM3/  
Digital Input  
Digital Input  
Digital Output  
Fan Tachometer Input to Measure Speed Of Fan 1 (Open-Drain Digital Input.).  
Fan Tachometer Input To Measure Speed Of Fan 2 (Open-Drain Digital Input.).  
Pulse Width Modulated Output to Control Fan 3 Speed. Open drain requires 10kΩ  
typical pull-up.  
ADDREN  
If pulled low on power-up, the ADT7490 enters address select mode, and the state of  
Pin 14 (ADDR SELECT) determines the ADT7490’s slave address.  
14  
TACH4/  
THERM/  
Digital Input/Output Fan Tachometer Input to Measure Speed of Fan 4 (Open-Drain Digital Input).  
THERM  
May be reconfigured as a bidirectional  
pin. Can be connected to PROCHOT  
output of processor, to time and monitor PROCHOT assertions. Can be used as an  
output to signal overtemperature conditions or for clock modulation purposes.  
Active Low Digital Output. The SMBALERT Pin is used to signal out-of-limit comparisons  
of temperature, voltage, and fan speed. This is compatible with SMBus alert.  
Can also be used at device power-up to assign SMBus address.  
SMBALERT/  
ADDR SELECT  
D2−  
D2+  
D1−  
D1+  
15  
16  
17  
18  
19  
Analog Input  
Analog Input  
Analog Input  
Analog Input  
Analog Input  
Negative Connection for Remote Temperature Sensor 2.  
Positive Connection to Remote Temperature Sensor 2.  
Negative Connection for Remote Temperature Sensor 1.  
Positive Connection to Remote Temperature Sensor 1.  
Monitors Current Output of Analog Devices ADP319x family of VRD10/VRD11  
controllers.  
IMON  
Rev. 0 | Page 7 of 76  
 
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