DatasheetsPDF.com

BD6722FS Dataheets PDF



Part Number BD6722FS
Manufacturers Rohm
Logo Rohm
Description Multifunction Single-phase Full-wave Fan Motor Driver
Datasheet BD6722FS DatasheetBD6722FS Datasheet (PDF)

Datasheet DC Brushless Fan Motor Drivers Multifunction Single-phase Full-wave Fan Motor Driver BD6722FS ●General description BD6722FS is a half pre-driver that controls the source side motor drive part composed of the power transistors. Moreover, it corresponds to 800mA motor, because the driving current and the composition parts are optimized. ●Package SSOP-A16 W (Typ.) x D (Typ.) x H (Max.) 6.60mm x 6.20mm x 1.71mm ●Features „ Half pre-driver including power NDMOS FET „ Speed controllable.

  BD6722FS   BD6722FS



Document
Datasheet DC Brushless Fan Motor Drivers Multifunction Single-phase Full-wave Fan Motor Driver BD6722FS ●General description BD6722FS is a half pre-driver that controls the source side motor drive part composed of the power transistors. Moreover, it corresponds to 800mA motor, because the driving current and the composition parts are optimized. ●Package SSOP-A16 W (Typ.) x D (Typ.) x H (Max.) 6.60mm x 6.20mm x 1.71mm ●Features „ Half pre-driver including power NDMOS FET „ Speed controllable by DC / direct PWM input „ PWM soft switching „ Quick start „ Current limit „ Lock protection and automatic restart „ Rotation speed pulse signal (FG) output „ Lock alarm signal (AL) output SSOP-A16 ●Application „ Fan motors for general consumer equipment of desktop PC, and Server, etc. ●Absolute maximum ratings Parameter Symbol Limit Supply voltage Power dissipation Vcc 20 Pd 812.5 *1 Operating temperature range Topr –40 to +100 Storage temperature range Tstg –55 to +150 High side output voltage Voh 34 Low side output voltage Low side output current Vol 34 Iol 1.5 *2 Rotation speed pulse signal (FG) output voltage Vfg 20 Rotation speed pulse signal (FG) output current Ifg 10 Lock alarm signal (AL) output voltage Val 20 Lock alarm signal (AL) output current Ial 10 Reference voltage (REF) output current Iref 8 Input voltage (TH) Vin 15 Junction temperature Tj 150 *1 Reduce by 6.5mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board) *2 This value is not to exceed Pd. Unit V mW °C °C V V A V mA V mA mA V °C ●Recommended operating conditions Parameter Operating supply voltage range Operating input voltage range (H+, H–, MIN) (more than Vcc=9V) Operating input voltage range (H+, H–, MIN) (less than Vcc=9V) Symbol Vcc Vin Limit 4.5 to 17.0 0 to 7 0 to Vcc–2 Unit V V V ○Product structure:Silicon monolithic integrated circuit www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 ○This product is not designed protection against radioactive rays 1/12 TSZ02201-0H1H0B100180-1-2 28.JUL.2012 Rev.002 BD6722FS Datasheet ●Pin configuration GND OSC MIN TH Vcc A1H A1L RNF 1 2 3 4 5 6 7 8 (TOP VIEW) 16 AL 15 FG 14 REF 13 H– 12 H+ 11 CS 10 A2H 9 A2L Fig.1 Pin configuration ●Block diagram ●Pin description P/No. T/Name 1 GND 2 OSC 3 MIN 4 TH 5 Vcc 6 A1H 7 A1L 8 RNF 9 A2L 10 A2H 11 CS 12 H+ 13 H– 14 REF 15 FG 16 AL Function Ground terminal (signal ground) Oscillating capacitor connecting terminal Minimum output duty setting terminal Output duty controllable input terminal Power supply terminal High side output terminal 1 Low side output terminal 1 Output current detecting resistor connecting terminal (motor ground) Low side output terminal 2 High side output terminal 2 Output current detection terminal Hall + input terminal Hall – input terminal Reference voltage output terminal Speed pulse signal output terminal Lock alarm signal output terminal 1 GND TSD PWM SOFT SWITCHING SIGNAL OUTPUT AL 16.


BD6721FS BD6722FS BD6884GUW


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)