BU69090NUX
5V Single-phase Full-wave Fan Motor Driver

The BU69090NUX is a 5V single-phase full-wave FAN motor driver with built in HALL element. It is part of the DC brushless FAN motor driver series. BU69090NUX is built in a compact package and provides Auto Gain Control (AGC) function, silent drive by soft switching, and low battery consumption via its standby function. BU69090NUX is best used for notebook PC cooling FANs.

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* This is a standard-grade product.
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Product Detail

 
Part Number | BU69090NUX-TR
Status | Recommended
Package | VSON008X2030
Unit Quantity | 4000
Minimum Package Quantity | 4000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Type

Driver

Vcc (Max.)[V]

7.0

Power Supply Voltage (Max.) [V]

5.5

Power Supply Voltage (Min.) [V]

1.8

Iout (Max.)[A]

0.8

Drive Type

PWM Soft SW

Speed Control

PWM

Standby mode

Yes

FG/AL Signal

FG

Usage

Notebook PC

Number of phase

Single-phase

Power supply

5V

Channel

1.0

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

2x3 (t=0.6)

Features:

  • Built in HALL Element
  • AGC Function
  • PWM Speed Control
  • Soft Switching Drive (PWM Type)
  • Low PWM Duty Start Assist Function
  • Quick Start Function
  • Stand-by Mode
  • Lock Protection and Automatic Restart
  • Compact Package
  • Rotating Speed Pulse Signal (FG) Output

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Method for Monitoring Switching Waveform
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Notes for Temperature Measurement Using Thermocouples
  • Two-Resistor Model for Thermal Simulation
  • Notes for Temperature Measurement Using Forward Voltage of PN Junction
  • Thermal Resistance
  • Precautions When Measuring the Rear of the Package with a Thermocouple

Tools

2D/3D/CAD

  • VSON008X2030 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration
  • REACH SVHC Non-use Declaration