TDA21801 by Infineon | APACMotion Motor Control | Avnet ASIA
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TDA21801

Infineon

Fan Motor Speed Controller 12V 8-Pin DSO

製造商產品編號: TDA21801

替代料號: TDA21801


legend 通過RoHS認證

描述

文檔

替代/替換

資料

The Fan Speed Controller is a fully integrated control with few external components to set up a flexible and low cost application. The device uses the waveform of the current in a standard two-wire fan to detect the speed of revolution and to control it. The current flowing through the fan is sensed by the shunt resistor connected to RSin. For fans with a supply current between 50mA and 400mA, a good value for this resistor is between 0.5 and 1Ω as the maximum input voltage of RSin for linear operation is 330mV The Pulse Detector circuit creates one internal trigger pulse at every commutation of the fan motor. The internal trigger pulse will be processed if the current waveform through the motor shows appropriate variations at the commutation. Monitoring and warning signal can be used to check the working condition. Every two internal trigger pulses one is fed to the FanM output to monitor the speed of rotation. The device controls the speed of revolution. The temperature is measured with the NTC thermistor and according to the voltage on the NTC the speed of the fan is set.

技術參數

  • Low cost Fan Speed Controller for standard two wires fans.
  • No external components for fan speed loop compensation necessary.
  • Tacho output signal, FanM for speed measurement.
  • Adjustable minimum Fan Speed.
  • External control voltage for fan speed setting.
  • System Overtemperature Protection for early warning and for system shutdown.

技術屬性

描述
尋找類似物料
Mounting
Surface Mount
Pin Count
8
Lead Finish
Matte Tin
Operating Temperature
0 to 70 °C
Maximum Operating Current
12 mA
MSL Level
3
Supplier Package
DSO
Type
Fan Motor Speed Controller
Operating Supply Voltage
12 V
Product Dimensions
5 x 4 x 1.5 mm
Max Processing Temp
260

ECCN/UNSPSC

描述
ECCN:
EAR99
計劃交貨期 B:
85423900228.1
HTSN:
85423900228.1
UNSPSC:
32101625
UNSPSC VERSION:
V15.1101

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