Datasheet > US65

US65

更新时间： 2024-09-26 03:22:55

品牌	Logo	应用领域
迈来芯 - MELEXIS		风扇驱动
页数	文件大小	规格书
12页	320K
描述
Two-Coil Low Noise Fan Driver High Output Current

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中文翻译

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数据手册

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US65 数据手册

US65 / US66

Two-Coil Low Noise Fan Driver

High Output Current

Features and Benefits

Application Examples

ꢀ Soft Switching for low noise applications

ꢀ Slope control setting by dedicated pin

ꢀ One-chip solution (Hall + Drivers)

ꢀ Advanced Protection (enhanced locked rotor,

reverse voltage, thermal, output clamping)

ꢀ 5V/12V DC brushless motors

ꢀ Continuous output current up to 600mA

ꢀ Low noise brushless cooling fans

ꢀ PC, server, laptop cooling fan

ꢀ Power supply cooling fan

ꢀ Integrated tachometer (US65) or

alarm (US66) signal output

ꢀ Large and small fan size

Ordering Information

Part No.

US65

US66

Temperature Code

E (-40°C to 85°C)

Package Code

DC (8-pin narrow SOIC8)

1 Functional Diagram

2 General Description

The US65/66 is a one-chip solution for driving two-

coil brushless DC fan and motors. It is especially

suitable for relatively high-current rated operation

as it can drive up to 600mA continuous output

current.

The use of Melexis Soft Switching concept lowers

the acoustic and electrical motor noise and

provides smoother operation. This efficient

solution is combined with an innovative slope

control design controllable via a dedicated pin.

The device includes reverse voltage protection,

locked rotor protection and thermal protection.

Therefore, the IC robustness perfectly suits for

consumer and automotive-on-board applications.

Tachometer (FG) or Alarm (RD) open-drain output

is available. It makes the connectivity with external

interface such as hardware monitoring or Super

I/O IC easier.

The device is delivered in RoHS compliant DC

package (SMD) for automatic soldering

3901090209

Rev 006

Page 1 of 12

Preliminary Datasheet

Jan/07

12 3 4 5 6 7...12

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