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參數(shù)資料
| 型號： | A1441SELLT-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Element Commutation |
| 中文描述： | 低電壓全橋式無刷直流電動機霍爾元件整流驅(qū)動器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 156K |
| 代理商： | A1441SELLT-T |
A1441
A1441-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
AB SO LUTE MAX MUM RAT NGS
Supply Voltage, V
DD
.........................................
5.0 V
Reverse Battery Voltage, V
RDD
.......................
–0.3 V
Output Voltage, V
OUT
............
–0.3 V to V
DD
+ 0.3 V
Control Input Voltage,V
IN(High)
–0.3 V to V
DD
+ 0.3 V
Load Current*, I
LOAD
............................... ±
150 mA
Magnetic Flux Density, B........................
Unlimited
Operating Temperature
Ambient, T
A
, Range S..................
–20oC to 85oC
Maximum Junction, T
J(max)
........................
165oC
Storage Temperature, T
S
..................
–65oC to 170oC
*Positive I
LOAD
flow is from VOUT1 to VOUT2.
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
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 sensor to detect the position of an alternating-pole ring magnet. A
high density merged Bipolar-CMOS semiconductor process allows the integra-
tion 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 incor-
porated 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.
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.
The small package outline and low profile make this device ideally suited for use
in applications where printed circuit board area and component headroom are at
a premium. It is available in a lead (Pb) free (leadframe plating 100% matte tin)
6-pin MLP microleadframe package for surface mount, with exposed pad for
enhanced thermal dissipation.
Low-Voltage Full-Bridge Brushless DC Motor Driver
with Hall Element Commutation
Use the following complete part numbers when ordering:
Part Number
A1441SELLT-T
Features and Benefits
Package
2
×
2
×
0.50 mm
Packing
7-in. Reel, 3000 pieces/reel
Package EL, 6-pin Surface Mount MLP
1
2
3
6
5
4
Approximate Actual Size
Package EL
2
×
2 mm
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| A1442 | 制造商:TE Connectivity 功能描述: |
| A14420-01 | 功能描述:導熱接口產(chǎn)品 Tflex 6120 DC1 9x9" 3.0W/mK gap filler RoHS:否 制造商:Panasonic Electronic Components 類型:Thermal Graphite Sheets 材料:Graphite Polymer Film 長度:180 mm 寬度:115 mm 厚度:0.07 mm 工作溫度范圍: |
| A-1442-1 | 功能描述:固態(tài)繼電器-工業(yè)安裝 DC SOLENOID RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設備:SSR 安裝風格:Panel |
| A14421-01 | 功能描述:導熱接口產(chǎn)品 Tflex 6130 DC1 9x9" 3.0W/mK gap filler RoHS:否 制造商:Panasonic Electronic Components 類型:Thermal Graphite Sheets 材料:Graphite Polymer Film 長度:180 mm 寬度:115 mm 厚度:0.07 mm 工作溫度范圍: |
| A14422-01 | 功能描述:導熱接口產(chǎn)品 Tflex 6140 DC1 9x9" 3.0W/mK gap filler RoHS:否 制造商:Panasonic Electronic Components 類型:Thermal Graphite Sheets 材料:Graphite Polymer Film 長度:180 mm 寬度:115 mm 厚度:0.07 mm 工作溫度范圍: |
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