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ADT7462

更新时间： 2024-02-28 20:01:02
品牌 Logo 应用领域
安森美 - ONSEMI 风扇监控控制器
页数 文件大小 规格书
81页 685K
描述
Flexible Temperature, Voltage Monitor, and System Fan Controller

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ADT7462 技术参数

是否无铅：不含铅生命周期：Active
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：17 weeks风险等级：0.91
Is Samacsys：N最大精度（摄氏度）：4 Cel
其他特性：HYSTERESIS IS 0.07V主体宽度：5 mm
主体高度：0.9 mm主体长度或直径：5 mm
JESD-609代码：e3安装特点：SURFACE MOUNT
位数：8最大工作电流：4 mA
最高工作温度：125 °C最低工作温度：-40 °C
输出接口类型：4-WIRE INTERFACE封装形状/形式：SQUARE
传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL最大供电电压：5.5 V
最小供电电压：3 V表面贴装：YES
端子面层：Tin (Sn)端接类型：SOLDER
Base Number Matches：1

ADT7462 数据手册

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ADT7462  
Flexible Temperature,  
Voltage Monitor, and  
System Fan Controller  
The ADT7462 is a flexible systems monitor IC, suitable for use in a  
wide variety of applications. It can monitor temperature in up to three  
remote locations, as well as its ambient temperature.  
There are up to four PWM outputs. These can be used to control the  
speed of a cooling fan by varying the % duty cycle of the PWM drive  
signal applied to the fan. The ADT7462 supports high frequency  
PWM for 4−wire fans and low frequency PWM for 2−wire and 3−wire  
fans. Up to eight TACH inputs can be used to measure the speed of  
3−wire and 4−wire fans. There are up to 13 voltage monitoring inputs,  
ranging from 12 V to 0.9 V.  
http://onsemi.com  
MARKING  
DIAGRAM  
ADT  
7462ACPZ  
#YYWW  
AL  
LFCSP−32  
CASE 932  
CCCCC  
The ADT7462 is fully compatible with SMBus 1.1 and SMBus 1.0.  
The ADT7462 also includes a THERM I/O and a RESET I/O.  
The ADT7462 is available in a 32−lead LFCSP_VQ. Many of the  
pins are multi−functional. Five easy configuration options can be set  
up using the easy configuration register. Users choose the  
configuration closest to their requirements; individual pins can be  
reconfigured after the easy configuration option has been chosen.  
XX  
#
= Device Code  
= Pb−Free Package  
YYWW = Date Code  
AL  
CC  
= Assembly Lot  
= Country Code  
Features  
PIN ASSIGNMENT  
• One Local and Up to Three Remote Temperature Channels Series  
Resistance Cancellation On Remote Channels  
• Thermal Protection Using THERM Pins  
• Up to Four PWM Fan Drive Outputs Supports Both High and  
Low Frequency PWM Drives  
• Up to Eight TACH Inputs Measures the Speed of 3−Wire and  
4−Wire Fans  
V
/
CCP2  
+1.5V/+1.8V/+2.5V  
24  
23  
22  
21  
20  
19  
18  
17  
1
2
3
4
5
6
7
8
VID0/GPIO1/TACH1  
V
/
CCP1  
PIN 1  
INDICATOR  
VID1/GPIO2/TACH2  
VID2/GPIO3/TACH3  
VID3/GPIO4/TACH4  
+1.5V/+1.8V/+2.5V  
TACH8/+12V3  
• Automatic Fan Speed Control Loop Includes Dynamic T  
• Monitors Up to 13 V Inputs  
Control  
MIN  
TACH7/+5V  
D3–/SCSI_TERM2  
D3+/+1.25V/+0.9V  
D2–  
ADT7462  
V
CC  
• Monitors Up to 7 VID Inputs; Includes On−The−Fly (OTF)  
VID Support  
GND  
TACH5/+12V1  
TACH6/+12V2  
D2+  
• Bidirectional Reset  
• Chassis Intrusion Detect  
• SMBus 1.1 and SMBus 1.0 Compatible  
• 3.3 V and 5.0 V Operation  
• Extended Operating Range from −40°C to +125°C  
• Space−Saving 32−Lead Chip Scale Package  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 80 of this data sheet.  
Applications  
• Servers and Personal Computers  
• Telecommunications Equipment  
• Test Equipment and Measurement Instruments  
© Semiconductor Components Industries, LLC, 2010  
1
Publication Order Number:  
January, 2010 − Rev. 3  
ADT7462/D  
1234567...81

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