{"id":18163,"date":"2020-10-12T10:43:31","date_gmt":"2020-10-12T09:43:31","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=18163"},"modified":"2020-10-12T10:43:33","modified_gmt":"2020-10-12T09:43:33","slug":"single-coil-fan-and-pump-driver-ic","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/single-coil-fan-and-pump-driver-ic\/","title":{"rendered":"Single coil fan and pump driver IC"},"content":{"rendered":"\n<p><strong><a href=\"http:\/\/www.melexis.com\" target=\"_blank\" rel=\"noreferrer noopener\">Melexis<\/a><\/strong> introduces a new single-coil fan and pump driver IC with a peak driving capability of 2.2 A.\u00a0<\/p>\n\n\n\n<p>The MLX90412 combines high performance with low noise operation, making it ideal for a wide range of home appliances and industrial applications.&nbsp;<\/p>\n\n\n\n<p>Suitable for driving loads of up to 35 W, it complements the previously released MLX90411, adding a high power option to the range.<\/p>\n\n\n\n<p>The MLX90412 operates from a supply voltage in the range 3.5V to 32V, and is robust up to 40V. This makes it well-suited for use in equipment on 12V and 24V power supplies, as well as for portable applications with up to seven Li-ion cells (~29 V).&nbsp;<\/p>\n\n\n\n<p>Home appliance applications include drain pumps for washing machines and dish washers, as well as toilet pumps; fans, blowers and cross blowers in air conditioning units, desk fans and pedestal fans; and Li-ion based applications including robot cleaners and robot lawn mowers.<\/p>\n\n\n\n<p>Multiple motor commutation options can be accommodated to meet the need for high torque and low acoustic noise, as well as low vibration.&nbsp;<\/p>\n\n\n\n<p>A patented adaptive control algorithm ensures the highest efficiency is achieved with the lowest reverse current, over the full speed range and independent of the motor inductance or applied lead angle.<\/p>\n\n\n\n<p>Both open loop and closed loop speed control are possible, with a wide range of dynamic (PI) settings, for a speed range up to 45,000 e-rpm (electrical RPM).&nbsp;<\/p>\n\n\n\n<p>The closed loop speed control allows the speed tolerance to be reduced to as low as \u00b13%.&nbsp;<\/p>\n\n\n\n<p>In combination with the low acoustic noise current shaping, the MLX90412 offers unprecedented noise performance in this price segment, making it a cost-effective alternative to the expensive three-phase solution in many challenging applications.&nbsp;<\/p>\n\n\n\n<p>Furthermore, in pump applications, the closed loop can also be used as no-load or run-dry protection, to help avoid running pumps at excessive speeds, preventing high audible noise, and early failure.<\/p>\n\n\n\n<p>The MLX90412 boasts multiple integrated protection features including locked rotor, over temperature, overvoltage, short circuit and current limiting, as well as built-in supply clamping.&nbsp;<\/p>\n\n\n\n<p>Similar to the MLX90411, the MLX90412 is programmable via an I2C interface and all options are configurable in the on-board EEPROM.&nbsp;<\/p>\n\n\n\n<p>The MLX90412 is available in a 3mm x 3mm DFN10 package.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Melexis introduces a new single-coil fan and pump driver IC with a peak driving capability of 2.2 A.\u00a0 The MLX90412 combines high performance with low noise operation, making it ideal for a wide range of home appliances and industrial applications.&nbsp; Suitable for driving loads of up to 35 W, it complements the previously released MLX90411, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":18164,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8909,922,8910],"class_list":["post-18163","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-process","tag-35w-low-noise-single-coil-fan-and-pump-driver","tag-melexis","tag-mlx90412"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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