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AH5795-FDC-7

更新时间： 2024-01-12 19:22:14
品牌 Logo 应用领域
美台 - DIODES 运动控制电子器件风扇信号电路光电二极管电动机控制电机控制器
页数 文件大小 规格书
13页 208K
描述
SINGLE PHASE HALL EFFECT LATCH SMART FAN MOTOR CONTROLLER

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AH5795-FDC-7 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：DFN
包装说明：HVSON,针数：6
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：1.67Is Samacsys：N
模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码：S-PDSO-N6
JESD-609代码：e4长度：2.0125 mm
湿度敏感等级：1功能数量：1
端子数量：6最高工作温度：105 °C
最低工作温度：-40 °C最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.63 mm最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：1.8 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：2.0125 mm
Base Number Matches：1

AH5795-FDC-7 数据手册

 浏览型号AH5795-FDC-7的Datasheet PDF文件第2页浏览型号AH5795-FDC-7的Datasheet PDF文件第3页浏览型号AH5795-FDC-7的Datasheet PDF文件第4页浏览型号AH5795-FDC-7的Datasheet PDF文件第5页浏览型号AH5795-FDC-7的Datasheet PDF文件第6页浏览型号AH5795-FDC-7的Datasheet PDF文件第7页 
AH5795  
SINGLE PHASE HALL EFFECT LATCH SMART  
FAN MOTOR CONTROLLER  
Description  
Pin Assignments  
(Top View)  
The AH5795 is a single chip solution for driving single-coil  
brushless direct current (BLDC) fans and motors. The  
integrated full-bridge driver output stage uses soft switching  
to minimize audible switching noise and electromagnetic  
interference (EMI) providing a low noise solution.  
1
2
3
6
5
4
PWM  
Vdd  
O1  
FG  
Vss  
O2  
Motor speed can be controlled by either changing the duty  
ratio of the PWM signal at the PWM pin or by varying the  
supply voltage at Vdd pin.  
To help protect the motor coil, the AH5795 provides Rotor  
Lock Protection which shuts down the output drive if rotor  
lock is detected. The device automatically re-starts when the  
rotor lock is removed. Over temperature shutdown provides  
thermal protection for the device.  
TSOT23-6  
(Top View)  
1
6
5
4
PWM  
Vdd  
O1  
FG  
O2  
Vss  
A Tachometer output is provided by open-drain Frequency  
Generator (FG) Pin which allows external interface to monitor  
motor rotation or speed. The FG output is the magnetic  
change frequency.  
2
3
The AH5795 is available in space saving and low profile  
TSOT23-6 and DFN2020C-6 packages.  
DFN2020C-6  
Features  
Applications  
•
•
•
•
Supports single-coil full-wave BLDC fan drivers  
Built-in Hall sensor and input amplifier  
Operating voltage: 1.8V to 6V  
•
•
•
•
3.3V / 5V BLDC Cooling Fans  
Netbook/ Notebook BLDC fans  
Instruments cooling fans  
Speed control methods  
o
o
Vdd voltage speed control (PWM pin tied to Vdd)  
PWM signal speed control via PWM pin  
Low Voltage/ Low Power BLDC Motors  
•
•
Soft switching for low noise DC fan motor applications  
Rotor Lock Protection (Lock detection, output shutdown  
and automatic re-start)  
•
•
•
•
Toff clear when PWM is low for greater than 65ms  
Thermal protection  
Tachometer (FG) output  
No external timing capacitor - Reduces the numbers of  
external components required  
•
•
Low profile package: TSOT23-6 and DFN2020C-6  
“Green” Molding Compound (No Br, Sb) (Note 1)  
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at  
http://www.diodes.com/products/lead_free.html.  
1 of 13  
www.diodes.com  
August 2011  
© Diodes Incorporated  
AH5795  
Document number: DS35277 Rev. 1 - 2  
1234567...13

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