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Rohm Integrated Circuit - IC's

BA6901F Datasheet – DC Brushless Fan Motor Driver

Two-phase Full-wave DC Brushless Fan Motor Driver

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Package SOP 8 Pin Type
BA6901F datasheet (PDF) Preview Buy BA6901F
BA6901F-IC

BA6901F overview

The BA6901F is a Two-phase Full-wave DC Brushless Fan Motor Driver made by Rohm, supplied in an SOP 8 Pin Type package. The absolute maximum ratings table on this page lists the 10 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the BA6901F pinout and maximum ratings, with the full datasheet PDF to preview below or download.

BA6901F is two-phase half-wave fan motor driver. They incorporate lock protection, automatic restart circuit and FG/AL output. Some of them have variable speed control function.

Datasheet

ba6901f-datasheet.pdf
Format PDFSize 461 KBLanguage EN
Third-party / unverified source
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BA6901F features

  • Current Limit circuit
  • PWM control (PWM pulse signal input)
  • Incorporates lock protection and automatic restart circuit
  • Lock alarm signal (AL) output
  • Rotation speed pulse signal (FG) output
  • Package SOP16
  • SOP16

BA6901F pinout

BA6901F pinout diagram
NameDescription
CRCharging and discharging pulse circuit capacitor and resistor connecting terminal
FGRotating speed pulse signal output terminal
ALLock alarm signal output terminal
ALBLock alarm signal terminal (inversion signal of AL)
PWMPWM input terminal (H or OPEN:Output ON, L:Output OFF)
LDLock detection and automatic restart capacitor connecting terminal
CNFPhase compensating capacitor connecting terminal
GNDGND terminal
H+Hall input terminal +
H-Hall input terminal -
CSCurrent detecting input terminal
CLCurrent limiting input terminal
A1Output terminal 1
A2Output terminal 2
VccPower terminal
TOUTCharging and discharging pulse output terminal

Absolute maximum ratings

ParameterSymbolValueUnit
Supply voltageVcc36V
Power dissipationPd625*mW
Operating temperatureTopr-40～+100℃
Storage temperatureTstg-55～+150℃
Output currentIomax70mA
FG signal output currentIfg15mA
FG signal output voltageVfg36V
AL signal output currentIal15mA
AL signal output voltageVal36V
Junction temperatureTjmax150℃

BA6901F applications

  • For desktop PC
  • server
  • general consumer equipment
  • communication equipment
  • industrial equipment.

BA6901F datasheet PDF preview

PDF · 461 KB

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