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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.

General 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

Key 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

Full PDF Text Transcription for US891 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for US891. For precise diagrams, and layout, please refer to the original PDF.

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 resista...

View more extracted text
ak 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 Cod

More Datasheets from Melexis

Part Number Description
US890 Two-Coil Fan Driver