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TC64X/TC64XB FAN CONTROL
DEMO BOARD USER ’S GUIDE
Chapter 2. Getting Started
This chapter describes the TC64X/TC64XB Fan Control Demo Board’s configuration,
how it functions and lists typical fan demo board operating configurations for fan
applications.
2.1
TC64X/TC64XB FAN CONTROL DEMO BOARD TYPICAL MODULE
CONFIGURATIONS
2.1.1
Using Bipolar Driver Transistors
All component selections should be made based on the information provided in the
Applications section of the TC64X and TC64XB data sheets. Table 2-1 lists typical fan
module operating configurations for 12V fan applications. These are provided as a
guide only. The values in the table assume the use of low-cost, bipolar transistors, such
as 2N2222A, unless stated otherwise.
TABLE 2-1:
SUGGESTED OUTPUT DRIVER/CURRENT SENSE VALUES
VS. FAN CURRENT
Full Speed
Fan Current
50 mA
100 mA
150 mA
200 mA
200 mA
250 mA
300 mA
350 mA
400 mA
450 mA
Darlington Pair
(Q 1 , Q 2 )
—
—
—
—
X
X
X
X
X
X
Single Transistor
(Q 3 )
X
X
X
X
—
—
—
—
—
—
R 5
( ? )
2.4 k
1.1 k
750
620
5.6 k
4.7 k
3.9 k
3.3 k
3.0 k
2.4 k
R 6
( ? )
9.1
4.7
3.0
2.4
2.4
2.0
1.8
1.5
1.3
1.2
Fan motors of 50 mA to 150 mA can be driven using the single transistor driver
configuration (i.e., Q 3 installed; Q 1 and Q 2 not installed). Fans having a motor current
of 200 mA may be driven using either the single transistor or Darlington configurations.
If a single transistor is used, care must be taken to select a transistor having a minimum
h FE of at least 50 to ensure the minimum output current specification (5 mA) of the
TC64X and TC64XB devices is sufficient to saturate the transistor when it is conducting
the full fan current.
? 2003 Microchip Technology Inc.
DS21401C-page 5
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相关代理商/技术参数
TC642DEMO 制造商:Microchip Technology Inc 功能描述:Tools Development kit For Use
TC642EOA 功能描述:马达/运动/点火控制器和驱动器 w/Fault Dtct RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube
TC642EOA713 功能描述:马达/运动/点火控制器和驱动器 w/Fault Dtct RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube
TC642EPA 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:PWM Fan Speed Controller with FanSense⑩ Technology
TC642EUA 功能描述:马达/运动/点火控制器和驱动器 w/Fault Dtct RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube
TC642EUA713 功能描述:马达/运动/点火控制器和驱动器 w/Fault Dtct RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube
TC642EV 功能描述:电源管理IC开发工具 For TC642/6/7/8/9 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
TC642EV 制造商:Microchip Technology Inc 功能描述:Tools Development kit For Use