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US890 Datasheet(PDF) 1 Page - Melexis Microelectronic Systems |
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US890 Datasheet(HTML) 1 Page - Melexis Microelectronic Systems |
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1 / 12 page  3901000890 Rev 003 Features and Benefits 0 Peak output current up to 1200mA 0 Low start-up voltage 0 Low output resistance 0 High sensitivity integrated Hall Sen 0 Power-efficient CMOS and power 0 Built-in output protection clamping 0 Locked rotor protection and auto-r 0 Integrated tachometer (US890) or signal protected output 0 Low cost 0 2-coil fan driver with FG/RD output RoHS Compliant 4-pin VK package Ordering Code Product Code Temperature Code US891 E US890 E Legend: Temperature Code: E for Temperature Range Package Code: VK for Packing Form: BU for Bulk Ordering example: US891EVK 1 Functional Diagram US890 / Two-Coil Fan Driver – High Ou Page 1 of 12 A ensor er MOSFETs ng diode restart or alarm (US891) ut in age Application Examples 0 5V/12V DC brushless moto 0 PC, server, laptop cooling f 0 Power supply cooling fan 0 Large and small fan size Temperature Code Package Code Option Code Packing Form Code VK AAA-000 BU VK AAA-000 BU E for Temperature Range -40°C to 85°C VK for Plastic Single in Line BU for Bulk US891EVK-AAA-000-BU 2 General Descriptio The US890/891 is a one-chip s two-coil brushless DC motors and Based on the advanced Melexi the IC contains a Hall-effect sen offset correction and powerful out 1200mA peak output current cap Specially designed for driving la device is optimized for low star Frequency Generator or Rotati available. The open-drain output connectivity with any external inte hardware monitoring or Super I/O These features are combined w patented no-VDD design to fit th pin VK package. 0 / US891 utput Current Data Sheet Apr/12 es otor/fan fan Option Code Packing Form Code BU BU ion solution for driving and fans. is CMOS process, ensor, dynamic output drivers with apability. arge fans, the rt-up voltage. ion Detection is utput makes easier the nterface such as I/O IC. with the Melexis he IC in a small 4- |
Similar Part No. - US890_14 |
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Similar Description - US890_14 |
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