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参数资料
| 型号： | A1441EELLT-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | IC LO VOLT DC MOTOR DRIVER 6MLP |
| 标准包装： | 1 |
| 应用： | DC 电机驱动器，无刷（BLDC） |
| 输出数： | 1 |
| 电源电压： | 2 V ~ 4 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-UFDFN 裸露焊盘 |
| 供应商设备封装： | 6-MLP/DFN（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1167-6 |
A1441
Low-Voltage Full-Bridge Brushless DC Motor Driver
with Hall Element Commutation
Features and Benefits
? Single-chip solution for high reliability
? Chopper stabilization technique for precise signal
response over operating range
? 2.0 to 4.0 V operation
? Sleep mode pin allowing external logic signal enable/
disable to reduce average power consumption
? Restart feature
? Small package size
Package: 6 Contact MLP/DFN/SON (suffix EL)
Description
The A1441 is a full-bridge motor driver designed to drive
low-voltage bipolar brushless DC motors. Commutation of
the motor is achieved by use of a single Hall element to detect
the position of an alternating-pole ring magnet. A high density
merged Bipolar-CMOS semiconductor process allows the
integration of the Hall element on the same IC as the motor
control circuitry, providing a single-chip solution for enhanced
reliability. All necessary circuitry is incorporated within the
device package, eliminating the need for any external support
components.
A micropower sleep mode can be enabled by an external
signal, to reduce current consumption for battery management
in portable electronic devices. In addition, the device offers an
active function for motor braking.
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5
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The A1441 is optimized for vibration motor applications such
as cellular phones, pagers, electronic toothbrushes, and hand-
held video game controllers. These devices also drive low
power fan motors designed with cogging plates.
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2
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Approximate Scale 1:1
Continued on the next page…
Functional Block Diagram
1441-DS, Rev. 4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1441SELLT-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Element Commutation |
| A1442 | 制造商:TE Connectivity 功能描述: |
| A14420-01 | 功能描述:导热接口产品 Tflex 6120 DC1 9x9" 3.0W/mK gap filler RoHS:否 制造商:Panasonic Electronic Components 类型:Thermal Graphite Sheets 材料:Graphite Polymer Film 长度:180 mm 宽度:115 mm 厚度:0.07 mm 工作温度范围: |
| A-1442-1 | 功能描述:固态继电器-工业安装 DC SOLENOID RoHS:否 制造商:Crydom 控制电压范围:4 VDC to 32 VDC 负载电压额定值:7 VDC to 72 VDC 负载电流额定值:160 A 触点形式: 输出设备:SSR 安装风格:Panel |
| A14421-01 | 功能描述:导热接口产品 Tflex 6130 DC1 9x9" 3.0W/mK gap filler RoHS:否 制造商:Panasonic Electronic Components 类型:Thermal Graphite Sheets 材料:Graphite Polymer Film 长度:180 mm 宽度:115 mm 厚度:0.07 mm 工作温度范围: |
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