The US890 is a one-chip solution for driving two-coil brushless DC motors and fans.

Based on the advanced Melexis CMOS process, the IC contains a Hall-effect sensor, dynamic offset correction and powerful output drivers with 1200mA peak output current capability.

Specially designed for driving large fans, the device is optimized for low start-up voltage.

The Frequency Generator open-drain output makes easier the connectivity with any external interface such as hardware monitoring or Super I/O IC.

These features are combined with the Melexis patented no-VDD design to fit the IC in a *all 4-pin VK package.

Features and Benefits

Peak output current up to 1200mA
Low start-up voltage
Low output resistance
High sensitivity integrated Hall Sensor
Power-efficient CMOS and power MOSFETs
Built-in output protection clamping diode
Locked rotor protection and auto-restart
Integrated tachometer signal protected output
Low cost
2-coil fan driver with FG output in
RoHS Compliant 4-pin VK package

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本公司*型号：A3986SLD     A3955*          EW632         EW732
                US1881KUA    A3977SED         A3987SLP      A3212ELHLT
                A1101LLHLT   A1106ELHLT       A1102LLHLT    ACS712ELC
                EW450        EW460            SS541AT       SS543AT
                A3985SLD     PIC18F8490-I/PT TLE4921-5U    A3280LUA
                A3988        A3984   A3983    L6219         UDN2916
                A3979        A3977   A3973    THS119      OV538   OV7670

此文来自：https://www.yuanxinfeng.com/news/read/96

型号/规格

US890

品牌/商标

melexis

供应 US890 双线圈风扇驱动器-高输出电流

Features and Benefits