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| 型号： | A1441EELLT-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 4/5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
DEVICE CHARACTERISTICS over the voltage and temperature operating range, unless otherwise specified
Characteristics Symbol Test Conditions Min. Typ. Max.
Units
Supply Voltage V DD
Running 2.0 – 4.0
V
V OUT(Sat) LOAD
Total Output Saturation Voltage 1
I = 100 mA, V DD = 3.6 V – – 500
I LOAD = 70 mA, V DD = 2.2 V – – 400
mV
mV
Sleep Mode Supply Current I DD(Sleep)
– – 10
μ A
Load Current Rise Time 2
t r(ILOAD) V DD = 3.6 V – 10 –
μ s
Chopping Settling Time 3
ˉSˉ ˉLˉ ˉEˉ ˉEˉ ˉPˉ Input Threshold
ˉSˉ ˉLˉ ˉEˉ ˉEˉ ˉPˉ Input Current
t s(CHOP)
V INLO
V INHI
I IN
– 30 –
– – 0.5
V DD –0.7 – –
– – 1
μ s
V
V
μ A
Crossover Dead Time
Restart Delay 5
4
t DT
t RS
B OP
VOUT switching – 2 –
– – 225
– 35 75
μ s
ms
G
Magnetic Switchpoints
B RP
–75 –35 –
G
B HYS
B OP – B RP ; B OP > B RP
– 70 –
G
Startup Polarity
V OUT1
V OUT2
B<Brp
B>Bop
B<Brp
B>Bop
LOW
HIGH
HIGH
LOW
–
–
–
–
1 Either V OUT(Sat) = V Q1(Sat) + V Q4(Sat) or V OUT(Sat) = V Q2(Sat) + V Q3(Sat) . Total output saturation voltage is a sum of the voltages
across the active output transistors.
2 Time period required for current to change from 10% to 90% of it’s value.
3 Chopping settling time is the required time to have valid device output after power up of the device.
4 Crossover dead time is a time period during which all output transistors are switched off.
5 Restart delay is a time period during which only one pair of the output transistors is switched on.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
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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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