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参数资料
| 型号： | TA8473FG |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.2 A, PDSO16 |
| 封装： | 0.225 INCH, 1 MM PITCH, LEAD FREE, PLASTIC, SSOP-16 |
| 文件页数： | 9/13页 |
| 文件大小： | 411K |
| 代理商： | TA8473FG |
TA8473F/FG/FN/FNG
2006-3-2
5
FG AND RD OUTPUTS
Both the FG and RD outputs are the open collector outputs.
The FG output is pulse proportional to the number of revolutions (the cycle is the same as OUT B) and the RD
output is at the GND level (actually, at Vsat (RD) level) when the motor is being driven and the RD output at
the potential level that is to be applied to the RD terminal as shown in Fig.2 is output when the motor is kept
restrained.
AUTOMATIC SELF ROTATION RECOVERY CIRCUIT
If the rotation of the fan motor is forced to stop by any physical power, the driving coil may be burnt as
inducing voltage caused when the motor is running disappears and large current flows to the driving coil.
Therefore, it becomes necessary to provide the fan motor with a circuit to prevent the driving coil from being
burned by detecting the forced stop of the motor rotation from the outside by some method and a circuit to
automatically rotate the motor when it is released from the restraint.
The TA8473F/FG and TA8473FN/FNG are ICs that have cleared the above problems by the burning preventive
automatic return circuit.
Fig. 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TA8473FN/FNG | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:FAN MOTOR DRIVER IC |
| TA8473FNG(5) | 制造商:Toshiba America Electronic Components 功能描述: |
| TA8474FG(5) | 制造商:Toshiba America Electronic Components 功能描述: |
| TA8479F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:3 PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR VIDEO CAMERA |
| TA848 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:The TA848 is a highly integrated low cost current mode PWM controller, which is ideal for small power current mode of offline AC-DC fly-back converter applications. |
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