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ROHM Semiconductor - Multifunction Single-phase Full-wave Fan Motor Driver

Numéro de référence BD6726FU
Description Multifunction Single-phase Full-wave Fan Motor Driver
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD6726FU fiche technique
Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD6726FU
General description
BD6726FU is a pre-driver that controls the motor drive
part composed of the power transistors. Moreover,
because the speed feedback function is installed, it is
the best for the motor drive with high rotational accuracy.
Package
SSOP-C20
W (Typ.) x D (Typ.) x H (Max.)
5.00mm x 6.40mm x 1.35mm
Features
„ Pre-driver for external power transistors
„ Speed feedback controllable by PWM input
„ PWM soft switching
„ Soft start
„ Quick start
„ Current limit
„ Lock protection and automatic restart
„ Rotation speed pulse signal (FG) output
Application
„ Fan motors for general consumer equipment of Server, and desktop PC, etc.
SSOP-C20
Absolute maximum ratings
Parameter
Symbol
Limit
Supply voltage
Power dissipation
Vcc 20
Pd 874.7 *1
Operating temperature range
Topr –40 to +100
Storage temperature range
Tstg –55 to +150
High side output voltage
Voh 36
Low side output voltage
Vol 15
Low side output current
Iol 10
Rotation speed pulse signal (FG) output voltage
Vfg
20
Rotation speed pulse signal (FG) output current
Ifg
10
Reference voltage (REF) output current Iref 12
Hall bias (HB) output current
Ihb 12
Input voltage (H+, H–, CS, PWMIN)
Vin 7
Input source current (ICT, SHIFT)
Iin 100
Junction temperature
Tj 150
*1 Reduce by 7.0mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
Unit
V
mW
°C
°C
V
V
mA
V
mA
mA
mA
V
µA
°C
Recommended operating conditions
Parameter
Symbol
Limit
Unit
Operating supply voltage range
Vcc
5.0 to 17.0
V
Operating input voltage range 1 (H+, H–)
(more than Vcc=9V)
Operating input voltage range 1 (H+, H–)
(less than Vcc=9V)
0 to 7
V
Vin1
0 to Vcc–2
V
Operating input voltage range 2 (PWMIN)
(more than Vcc=7V)
Operating input voltage range 2 (PWMIN)
(less than Vcc=7V)
0 to 6.5
V
Vin2
0 to Vref
V
Operating input voltage range 3 (MIN)
Vin3
0 to Vref
V
Operating input voltage range 4 (FIL)
Vin4
0 to Vfilh
V
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/16
TSZ02201-0H1H0B100210-1-2
28.JUL.2012 Rev.002

PagesPages 20
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