Melexis Cools Servers with a Code-free 1-coil Fan Driver MLX90418 Offering Significantly Lower BoM Costs
MELEXIS unveils the MLX90418, an all-in-one 1-coil brushless DC fan driver. This IC solution is pioneering a code-free single-coil fan driver able to support server-specific functions such as power-loss braking and AC power-loss management. Targeting the ever-expanding server market, the MLX90418 represents a highly effective 1-coil solution that reduces Bill of Material (BoM) costs by up to 25% compared to existing three-phase BLDC fans.
The number of servers continues to increase to meet the demands for data storage and processing power, including cloud services and AI. This market has a growing need for dependable cooling solutions that fulfill the performance requirements at the right cost.
Single-coil solutions are the standard for server cooling fans up to 15 W. For higher power fans either MCU-based 1-coil, or 3-phase solutions are considered. With the release of the MLX90418, 1-coil solutions are extended up to 30 W in 4 cm and 6 cm server fans. The code-free plug-and-play functionality, avoids the need for software validation of MCU-based solutions, freeing up key engineering resources for realizing more projects in less time and enabling faster production ramp-up. The MLX90418 covers demanding server application requirements, such as AC power loss handling. Additionally, its power loss braking (PLB) capability with 8 A braking current, allows fast and safe servicing, and avoids the negative impact on the thermal efficiency of the server cooling system due to pressure bleeding, in case of a malfunctioning fan.
The latest 30 W 4028 single fan solutions offer similar pressure/flow performance compared to legacy 4056 twin fans of a similar power rating, reducing footprint and system cost. With its high speed and low vibration operation, the MLX90418 is the ideal fit to operate such 30 W fans with speeds up to 40k m-RPM.
Building on Melexis’ automotive design and production quality standards, the MLX90418 offers a reliable solution for long-lifetime applications, ideal for low-maintenance server cooling applications.
“The MLX90418 code-free 1-coil fan driver is a plug-and-play solution that addresses the technical requirements of modern data center server cooling systems, providing efficiency, performance, and long-term reliability,” said Xuanhong Ou, Marketing Manager at Melexis. “With this IC we offer the possibility to replace the more expensive three-phase solutions, and accelerate the transition from twin fan to single fan, offering significantly lower BoM costs, with less engineering time.”
The MLX90418 an all-in-one 1-coil BLDC fan driver is supplied in DFN10 packaging and is available to order now.
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本文由星晴123转载自MELEXIS Official Website，原文标题为:Melexis cools servers with a code-free 1-coil fan driver，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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MELEXIS（迈来芯）风扇驱动芯片选型指南
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型号- MLX90411KZE-BAA-028-RE,MLX90418KLD-AAA-004-RE,US90AEVK-AAA-000-BU,US168ELD-AAA-000-RE,MLX90411LLD-BAA-043-RE,MLX90287KZC-AAA-000-RE,MLX90297LLW-ABF-206-RE,MLX90412KLW-BAA-022-RE,MLX90297LLW-AAF-206-RE,US91AEVK-AAA-000-BU,MLX90411KLD-BAA-049-RE,MLX90287LZC-AAA-000-RE,MLX90297KLW-AAF-109-RE,MLX90411KZE-BAA-026-RE,MLX90411LZE-BAA-043-RE,MLX90412KLW-BAA-042-RE,US91AEZE-AAA-000-RE,MLX90411LLD-BAA-048-RE,MLX90411LLD-BAA-046-RE,MLX90412LLW-BAA-042-RE,MLX90297LLW-AAF-108-RE,MLX90411LLD-BAA-029-RE,MLX90411KLD-BAA-029-RE,MLX90411LLD-BAA-023-RE,MLX90287KZC-AAA-000-RX,US90AEZE-AAA-000-RE,US91AEVA-AAA-000-BU,MLX90411KZE-BAA-046-RE
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产品型号
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品类
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MCU
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IC Supply Voltage（V）
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LED Supply Voltage（V）
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Program Memory（KB）
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EEPROM（B)
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RAM(KB)
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Max Comm.Speed（Mbit）
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# LED Driver
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LED Current per Channel(mA)
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PWM Resolution（bit）
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ADC Resolution（bit）
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Extra LED supply/ LED Multiplexing
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Temperature Range（℃）
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Package
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GEN
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MLX81116KLW-AAC-100-RE
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RGB LED CONTROLLER
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16-bit pipelined RISC
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5.5 to 28V
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IC Supply
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32 KB Flash
+System ROM
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368 B
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2 KB
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1Mbit
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12
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60mA
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16-bit
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10-bit
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LED Multiplexing
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-40 to 125°C
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QFN24 4x4
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GEN 1
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MELEXIS提供锁存器，开关，2线传感器，2线开关，2线闩锁，双霍尔传感器，3线开关，3线锁存器，通用传感器，浮动开关，客户可编程双芯片传感器，单极开关，μ功率传感器等产品，TC:-2200~2200ppm/°C；Supply Voltage：1.5~60V；Ioff：3~6mA
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产品型号
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品类
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Typical Bop / Brp(mT)
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TC（ppm / °C）
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Supply Voltage（V）
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Output Type
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Ioff（mA）
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Package&pole active（UA）
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Magnetic Polarity
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ICAP
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ISO26262
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MLX92241LUA-AAA-003
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2-wire Switch
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7.9 / 5.3
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-1100
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2.7 - 24
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Current source
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3.3
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S
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Direct
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-
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-
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选型表 - MELEXIS 立即选型
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型号- EW750B,MLX90248ESE-EBA-000,AK8777B,EZ410,MLX92215LSE-AAA-000,EW463,EW732,EW453,EM6011,MLX92213ELD-AAA-000,EW610B,EW412B,EW652B,EW410B,EW450B,AK8778B,EW450,MLX92214KSE-AAA-000,EM1011,EW400,EM6781,MLX90248ELD-EBA-000,EM1771,EW710B,MLX92232LSE-AAA-000,EW752B,AK8781,MLX92211LSE-AAA-000,MLX92231LSE-AAA-007,AK8779B,AK8779A,AK8789,EZ471,MLX92215LUA-AAA-000,EW432,EM1781,EW632,EW612B,AK8775,AK8772,EW650B,AK8771,AK8788A,EW550,MLX92251LSE-ABA-000,EW6672,AK8776,MLX92255LSE-AAA-000,EM1791,EW500,MLX92232LUA-AAA-000,EM1711,EM1712,EW712B
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