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Allegro 在霍尔效应传感器 IC 领域率先取得了多项重大进展，包括斩波器稳定、垂直霍尔效应技术、圆形垂直霍尔 (CVH) 阵列和非侵入式高速硬件诊断。同时，我们也是为数不多的直接将 GMR 技术集成在半导体晶圆上的 IC 制造商之一，此举有助于提高可靠性并简化设计。
更多见解和创新
安全和可持续性
我们的愿景是推动科技乃至整个世界向着更安全、更可持续的未来前进。您知道吗？Allegro 是 ISO 26262 美国技术顾问组的创始成员。自成立伊始，我们就在努力推动制定汽车等行业的安全标准。同时，我们也关注环境相关事宜 — Allegro 遵从 ISO 9001、IATF 16949、ISO 14001 和 RoHS 标准。
有关质量和环境的更多信息
Sense
Allegro has shipped over 11 billion sensor integrated circuits all time， and_were proud to say we hold the number one position in global market share for magnetic sensor ICs. What does this mean for you? We have deep expertise and_intimate familiarity with the market， and_our solutions are highly aligned with your needs.
Featured Products
ACS71240
ACS71240 is an automotive-grade， current sensor IC with common-mode field rejection and_overcurrent detection in a small footprint.
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A1330 Product Image
A1330
The A1330 is a 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology.
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A19570
The A19570 is a giant magnetoresistance (GMR) integrated circuit (IC) that is ideal for transmission applications.
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Current
Achieve higher efficiency and_power density with our industry-leading current sensor ICs. Perfect for vehicle electrification， plus green industrial， computer and_consumer applications.
0 to 50 A Integrated
50 to 200 A Integrated
SIP Package 0 to >1000 A
Allegro motor drivers offer industry-leading robustness and_safety， thriving in harsh， high voltage environments where competing parts fail.
But while our drivers are tough， theyre also quiet. We are experts in helping our customers make their motors run more quietly， efficiently and_reliably in automotive， industrial and_consumer applications.
And thanks to our decades of experience in motor control， we have developed embedded motion control algorithms that simplify designs while improving your motor performance and_time to market.
Featured Products
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AMT49406
The AMT49406 is a 3-phase， sensorless， brushless DC (BLDC) motor driver (gate driver) which can operate from 5.5 to 50 V—ideal for ceiling fans， pedestal fans， bathroom exhaust fans and_home appliance fans and_pumps.
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Part Number Package Type Temperature RoHS
Compliant Part Composition /
RoHS Data Comments Samples Check Stock
A4919GETTR-3-T 28-lead QFN -40°C to 105°C Yes View Data Contact your
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A4919GETTR-5-T 28-lead QFN -40°C to 105°C Yes View Data Contact your
local sales rep Check
Distributor Stock
A4919GETTR-T 28-lead QFN -40°C to 105°C Yes View Data Contact your
local sales rep Check
Distributor Stock
A4919GLPTR-3-T 28-lead TSSOP -40°C to 105°C Yes View Data Contact your
local sales rep Check
Distributor Stock
A4919GLPTR-5-T 28-lead TSSOP -40°C to 105°C Yes View Data Contact your
local sales rep Check
Distributor Stock
A4919GLPTR-T 28-lead TSSOP -40°C to 105°C Yes View Data Contact your
local sales rep Check
Distributor Stock
Allegro 的产品不允许在任何由于 Allegro 产品的合理故障造成人身伤害的装置或系统中使用，包括但不限于生命支持装置或系统。
Packaging
A4919 Packages
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AMT49105
The AMT49105 is designed for customers requiring an N-Channel MOSFET gate driver for high power inductive loads， such as BLDC motors. It is ideal for applications like engine cooling fan， pumps， braking and_other safety critical applications.
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A4919 Product Image
A4919
A unique charge pump regulator provides full (>10V) gate drive for battery voltages down to 7V and_will allow the A4919 to operate with a reduced gate drive down to 5.5V. A bootstrap capacitor is used to provide the above battery supply voltage required for n-channel MOSFETs.
