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EnglishFan Speed PWM Controller CXFA3161 is a single chip solution for fan speed control It connects directly to the fan and performs closed-loop control of the fan speed. The only external component require
摘要：Fan Speed PWM Controller CXFA3161 is a single chip solution for fan speed control It connects directly to the fan and performs closed-loop control of the fan speed. The only external component require
目录
产品概述 返回TOP
CXFA3161 is a single chip solution for fan speed control, packaged in a space saving SO-8 package. It connects directly to the fan and performs closed-loop control of the fan speed. The only external component required is a 10μF capacitor. It determined the current fan speed based on the fan rotation pulses and an externally supplied clock. It uses pulse width modulation (PWM) method and an on-chip MOSFET to control the fan speed to ±2% of the programmed speed. The desired fan speed is programmed via the SMBus. The actual fan speed and fan status can be read via the SMBus. Short-circuit protection is implemented to prevent damages to the fan and this IC itself. An On/Off control pin is also provided.
产品特点 返回TOP
„Constant Fan Speed Control
„PWM control for stable operation
„Build-in MOSFET switch
„SMBus interface
„Internal short-circuit protection
„On/Off control provided Appl
应用范围 返回TOP
„Notebook PC
„Industrial PC
„LAN Switch
„Servers
„Telecom equipment
„Industrial Control Gen
技术规格书（产品PDF) 返回TOP
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Sensor and Fan Controller |
|||||||||
|
Part NO. |
VCC(V) min. |
VCC(V) max. |
Remote |
Local |
Fan |
Slave Address |
Accuracy (°C) |
Note |
Package |
|
4.5 |
5.5 |
2 |
1 |
3 |
111001 |
±1 |
-- |
TSSOP20 |
|
|
4.5 |
5.5 |
2 |
1 |
3 |
Selectable |
±1 |
Build-in clock |
TSSOP20 |
|
|
4.5 |
5.5 |
2 |
1 |
4 |
111001 |
±1 |
|||
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