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US891 - Two-Coil Fan Driver

Download the US891 datasheet PDF. This datasheet also covers the US890 variant, as both devices belong to the same two-coil fan driver family and are provided as variant models within a single manufacturer datasheet.

Description

1 3 Glossary of Terms 3 4 Absolute Maximum Ratings 3 5 Pin Definitions and Descriptions 3 6 General Electrical Specifications 4 7 Magnetic Specifications 4 8 Driver Output vs Magnetic Pole 4 9 Detailed General Description 5 10 Unique

Features

  • 0 0 0 0 0 0 0 0 Peak output current up to 1200mA Low start-up voltage Low output resistance High sensitivity integrated Hall Se en n sor Power-efficient CMOS and power MOSFETs Built-in output protection clamping diode Locked rotor protection and auto-r estart Integrated tachometer (US890) or alarm (US891) signal protected output 0 Low cost 0 2-coil fan driver with FG/RD output in RoHS Compliant 4-pin VK packa ge age.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (US890-MELEXIS.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number US891
Manufacturer MELEXIS
File Size 2.60 MB
Description Two-Coil Fan Driver
Datasheet download datasheet US891 Datasheet

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Other Datasheets by MELEXIS

Part Number Description
US890 Two-Coil Fan Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
US890 0 / US891 Two-Coil Fan Driver – High Ou utput Current Features and Benefits 0 0 0 0 0 0 0 0 Peak output current up to 1200mA Low start-up voltage Low output resistance High sensitivity integrated Hall Se en n sor Power-efficient CMOS and power MOSFETs Built-in output protection clamping diode Locked rotor protection and auto-r estart Integrated tachometer (US890) or alarm (US891) signal protected output 0 Low cost 0 2-coil fan driver with FG/RD output in RoHS Compliant 4-pin VK packa ge age Application Examples 0 0 0 0 5V/12V DC brushless moto r/fan PC, server, laptop cooling f fan Power supply cooling fan Large and small fan size Ordering Code Product Code US891 US890 Temp Tempera ture Code erature E E Package Code VK VK Optio Option n Code AAA-000 AAA-000 Packing Form Code BU
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