Datasheet > TC646VOA713G

TC646VOA713G

更新时间： 2024-11-09 21:08:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		电动机控制光电二极管
页数	文件大小	规格书
30页	368K
描述
BRUSHLESS DC MOTOR CONTROLLER, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

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TC646VOA713G 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.02
模拟集成电路 - 其他类型：	BRUSHLESS DC MOTOR CONTROLLER	JESD-30 代码：	R-PDSO-G8
JESD-609代码：	e3	长度：	4.9 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.75 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	OTHER	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9 mm	Base Number Matches：	1

TC646VOA713G 数据手册

DTC646

PWM Fan Speed Controller with Auto-Shutdown

and FanSense^™Technology

Features

Package Types

• Temperature Proportional Fan Speed for Acoustic

Control and Longer Fan Life

SOIC/PDIP/MSOP

• Efficient PWM Fan Drive

• 3.0V to 5.5V Supply Range:

OUT

TC646

- Fan Voltage Independent of TC646

Supply Voltage

FAULT

SENSE

GND

- Supports any Fan Voltage

• FanSense™ Fault Detection Circuits Protect

Against Fan Failure and Aid System Testing

General Description

• Shutdown Mode for "Green" Systems

• Supports Low Cost NTC/PTC Thermistors

• Space Saving 8-Pin MSOP Package

• Over-temperature Indication

The TC646 is a switch mode, fan speed controller for

use with brushless DC fans. Temperature proportional

speed control is accomplished using pulse width mod-

ulation (PWM). A thermistor (or other voltage output

temperature sensor) connected to the V_INinput fur-

nishes the required control voltage of 1.25V to 2.65V

(typical) for 0% to 100% PWM duty cycle. The TC646

automatically suspends fan operation when measured

temperature (V_IN) is below a user programmed

minimum setting (V_AS). An integrated Start-up Timer

ensures reliable motor start-up at turn-on, coming out

of shutdown mode, auto-shutdown mode or following a

transient fault.

Applications

• Power Supplies

• Computers

• File Servers

• Portable Computers

• Telecom Equipment

• UPS, Power Amps

• General Purpose Fan Speed Control

The TC646 features Microchip Technology's proprie-

tary FanSense™ technology for increasing system reli-

ability. In normal fan operation, a pulse train is present

at SENSE (Pin 5). A missing-pulse detector monitors

this pin during fan operation. A stalled, open, or uncon-

nected fan causes the TC646 to trigger its Start-up

Timer once. If the fault persists, the FAULT output goes

low and the device is latched in its shutdown mode.

FAULT is also asserted if the PWM reaches 100% duty

cycle, indicating a possible thermal runaway situation,

although the fan continues to run. See Section 5.0,

“Typical Applications”, for more information and system

design guidelines.

Available Tools

• Fan Controller Demonstration Board (TC642DEMO)

• Fan Controller Evaluation Kit (TC642EV)

The TC646 is available in the 8-pin plastic DIP, SOIC

and MSOP packages and is available in the industrial

and extended commercial temperature ranges.

 2002-2012 Microchip Technology Inc.

DS21446D-page 1

12 3 4 5 6 7...30

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TC646VOA713G 替代型号

型号	品牌	替代类型	描述	数据表
TC646VOAG	MICROCHIP	功能相似	BRUSHLESS DC MOTOR CONTROLLER, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

与TC646VOA713G相关器件

型号	品牌	获取价格	描述	数据表
TC646VOAG	MICROCHIP	获取价格	BRUSHLESS DC MOTOR CONTROLLER, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
TC646VPA	MICROCHIP	获取价格	PWM Fan Speed Controller with Auto-Shutdown a
TC646VUA	MICROCHIP	获取价格	PWM Fan Speed Controller with Auto-Shutdown a
TC646VUA713	MICROCHIP	获取价格	BRUSHLESS DC MOTOR CONTROLLER, PDSO8, PLASTIC, MSOP-8
TC646VUATR	MICROCHIP	获取价格	暂无描述
TC647	MICROCHIP	获取价格	PWM Fan Speed Controller with FanSense Technology
TC647_13	MICROCHIP	获取价格	PWM Fan Speed Controller with FanSenseâ¢ Tec
TC647B	MICROCHIP	获取价格	PWM Fan Speed Controllers With Minimum Fan Sp
TC647BEOA713	MICROCHIP	获取价格	PWM Fan Speed Controllers With Minimum Fan Sp
TC647BEOATR	MICROCHIP	获取价格	PWM Fan Speed Controllers With Minimum Fan Sp

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