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AM4951MMTR-G1 PDF预览

AM4951MMTR-G1

更新时间： 2024-02-22 23:42:12
品牌 Logo 应用领域
BCDSEMI 驱动器风扇电机
页数 文件大小 规格书
3页 176K
描述
BTL Drive Single-phase Full-wave Fan Motor Driver

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中文翻译

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AM4951MMTR-G1 数据手册

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Product Brief  
BTL Drive Single-phase Full-wave Fan Motor Driver  
AM4951/R/2  
Description  
Parametric Table  
(VCC=12V, TA=25oC, unless otherwise noted.)  
The AM4951/R/2 series is a single-phase BTL  
output fan motor driver designed by bipolar  
process. This IC features high efficiency, silent  
operation and includes lock shutdown and  
automatic restart functions. When the motor is  
under lock condition, the lock shutdown function  
turns off the output current. When the  
lock condition is removed, the IC will  
restart automatically and allow DC fan to run. It is  
applied for high reliability and low noise  
application, such as personal computers, notebook,  
car audio, CPU cooling systems and power  
supplies in consumer electronics systems.  
Supply Current 1 (mA) (VCT=L)  
Supply Current 2 (mA) (VCT=H)  
Out Low Saturation Voltage (V)  
Out High Saturation Voltage (V)  
Hall Input Sensitivity (mV)  
6
5
0.25  
0.95  
7
FG Low Level Voltage (V)  
(For AM4951/2)  
0.15  
0.15  
1.5  
RD Low Level Voltage (V)  
(For AM4951R/2)  
The AM4951/R series is available in MSOP-8  
(12V application only) or PSOP-8 (24V  
application only) package. The AM4952 is  
available in MSOP-10 package.  
HB Voltage (V)  
(For AM4952)  
Features  
Benefits  
•
BTL  
Output  
Single-phase  
Full-wave  
Linear Drive (Gain Resistor=1k to 360kΩ,  
Gain=51dB)  
•
•
•
•
Wide Operation Voltage Range  
Soft-switching for Low Noise  
Over Temperature Protection  
High ESD and Reliability Process  
•
Support Low-voltage Drive and Feature a  
Wide Usable Voltage Range (2.2V to 24V)  
Low Saturation Output (High Side and Low  
Side Saturation Voltage): VSAT_TOTAL=1.2V  
(typical, IOUT=250mA)  
•
•
Built-in Lock Protection and Automatic  
Restart Circuits  
•
•
Built-in FG/RD Output  
Built-in Hall Sensor Bias (AM4952 Only,  
Additional Available Materials  
V
HB=1.5V)  
•
•
•
•
Samples  
Data Sheet  
Reliability Report  
ESD Report  
•
•
•
Thermal Protection Circuit  
Small-sized, High Thermal Capacity Package  
FG Output (AM4951),  
(AM4951R), FG and RD Output (AM4952)  
RD Output  
Applications  
•
•
Notebook, Personal Computers  
Power Supplies in Consumer Electronics, Car  
Audio and Office Peripherals  
•
CPU Cooling Systems  
Jun. 2010  
BCD Semiconductor Manufacturing Limited  
1
123

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