参数资料
型号: TC652AGVUA
厂商: Microchip Technology
文件页数: 1/14页
文件大小: 0K
描述: IC TEMP SNSR/DC FAN CNTRLR 8MSOP
标准包装: 100
系列: FanSense™
功能: 风扇控制,温度监控器
传感器类型: 内部
感应温度: 25°C,55°C 跳闸点
精确度: ±2.5°C(最小值)
拓扑: ADC,比较器,振荡器,寄存器库
输出类型: 低有效
输出警报:
输出风扇:
电源电压: 2.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
产品目录页面: 683 (CN2011-ZH PDF)
TC652/TC653
Integrated Temperature Sensor & Brushless DC Fan
Controller with FanSense? Detect & Over-Temperature
Features
? Integrated Temperature Sensing and Multi-speed
Fan Control
Package Type
MSOP
? FanSense? Fan Fault Detect Circuitry
V DD 1
8 PWM
? Built-in Over-Temperature Alert (T OVER )
? Temperature Proportional Fan Speed Control for
Acoustic Noise Reduction and Longer Fan Life
? Pulse Width Modulation Output Drive for Cost
FAULT 2
SHDN 3
GND 4
TC652
TC653
7 GND
6 T OVER
5 SENSE
and Power Savings
? Solid-State Temperature Sensing
? ±1°C (Typical) Accuracy from 25°C to +70°C
? 2.8V – 5.5V Operating Range
? TC653 includes Auto Fan Shutdown
? Low Operating Current: 50 μ A (Typical)
Applications
General Description
The TC652/TC653 are integrated temperature sensors
and brushless DC fan speed controllers with
FanSense ? technology. The TC652/TC653 measure
their junction temperature and control the speed of the
fan based on that temperature, making them especially
suited for applications in modern electronic equipment.
?
?
?
?
?
?
Thermal Protection For Personal Computers
Digital Set-Top Boxes
Notebook Computers
Data Communications
Power Supplies
Projectors
The FanSense ? Fan Fault detect circuitry eliminates
the need for a more expensive 3-wire fan.
Temperature data is converted from the on-chip
thermal sensing element and translated into a
fractional fan speed from 40% to 100%. A temperature
selection guide in the data sheet is used to choose the
low and high temperature limits to control the fan. The
Related Literature
? Application Note: AN771
Device Selection Table
TC652/TC653 also include a single trip point over
temperature alert (T OVER ) that eliminates the need for
additional temperature sensors. In addition, the TC653
includes an auto fan shutdown function for additional
power savings.
The TC652/TC653 are easy to use, require no software
Part Number
TC652XXVUA
TC653XXVUA
X
A
B
C
D
E
F
G
Package
8-Pin MSOP
8-Pin MSOP
Temperature Range
-40 ° C to +125 ° C
-40 ° C to +125 ° C
Temperature
25
30
35
40
45
50
55
overhead and are therefore the ideal choice for
implementing thermal management in a variety of
systems.
The "X" denotes a suffix for temperature threshold settings.
Contact factory for other temperature ranges.
2002 Microchip Technology Inc.
DS21453B-page 1
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