TC649EPA中文资料微芯科技数据手册PDF规格书
TC649EPA规格书详情
General Description
The TC649 is a switch mode, fan speed controller for use with brushless DC fans. Temperature proportional speed control is accomplished using pulse width modulation (PWM). A thermistor (or other voltage output temperature sensor) connected to the VIN input furnishes the required control voltage of 1.25V to 2.65V (typical) for 0 to 100 PWM duty cycle. The TC649 automatically suspends fan operation when measured temperature (VIN) is below a user programmed minimum setting (VAS). 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.
In normal fan operation, a pulse train is present at SENSE (Pin 5). The TC649 features Microchip Technology’s proprietary FanSenseTM technology for increasing system reliability. A missing pulse detector monitors this pin during fan operation. A stalled, open or unconnected fan causes the TC649 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. See Section 5.0, “Typical Applications”, for more information and system design guidelines.
The TC649 is available in the 8-pin PDIP, SOIC and MSOP packages and is available in the industrial and extended commercial temperature ranges.
Features
• Temperature Proportional Fan Speed for Acoustic Control and Longer Fan Life
• Efficient PWM Fan Drive
• 3.0V to 5.5V Supply Range:
- Fan Voltage Independent of TC649 Supply Voltage
- Supports any Fan Voltage
• FanSense™ Fault Detection Circuits Protect
Against Fan Failure and Aid System Testing
• Automatic Shutdown Mode for “Green” Systems
• Supports Low Cost NTC/PTC Thermistors
• Space Saving 8-Pin MSOP Package
Applications
• Power Supplies
• Computers
• File Servers
• Portable Computers
• Telecom Equipment
• UPSs, Power Amps
• General Purpose Fan Speed Control
产品属性
- 型号:
TC649EPA
- 制造商:
MICROCHIP
- 制造商全称:
Microchip Technology
- 功能描述:
PWM Fan Speed Controller with Auto-Shutdown and FanSense⑩ Technology
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MICROCHIP(美国微芯) |
2021+ |
MSOP-8 |
499 |
询价 | |||
MicrochipTechnology |
23+ |
8-MSOP |
66800 |
进口原装一级分销 |
询价 | ||
MICROCHIP/微芯 |
22+ |
MSOP-8 |
12245 |
现货,原厂原装假一罚十! |
询价 | ||
Microchip Technology |
23+/24+ |
8-TSSOP |
8600 |
只供原装进口公司现货+可订货 |
询价 | ||
Microchip |
2016+ |
A/N |
6528 |
只做原厂原装现货!终端客户个别型号可以免费送样品! |
询价 | ||
MICROCHIP/微芯 |
21+ |
8-TSSOP |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
MICORCHIP |
11+ |
295 |
原装正品长期供货,如假包赔包换 徐小姐13714450367 |
询价 | |||
MICROCHIP(美国微芯) |
23+ |
MSOP8 |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
MICORCHIP |
23+ |
589610 |
新到现货 原厂一手货源 价格秒杀代理! |
询价 | |||
MICROCHIP/微芯 |
2406+ |
33600 |
诚信经营!进口原装!量大价优! |
询价 |