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BD61250MUV fiches techniques PDF

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

Numéro de référence BD61250MUV
Description Multifunction Single-phase Full-wave Fan Motor Driver
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD61250MUV fiche technique
Datasheet
DC Brushless Fan Motor Driver
Multifunction Single-phase Full-wave
Fan Motor Driver
BD61250MUV
General Description
BD61250MUV is pre-driver IC to drive single phase H bridge output composed of external MOS FET.
The power supply input terminal and the drive output have voltage rating of 40V, so it can be used in a 24V power supply
without using voltage drop down circuit.
Features
Pre driver for external power MOS FET
Speed controllable by PWM / DC voltage
Minimum output duty limit
Input / output duty slope adjustment
Silent drive by the PWM soft switching
Lead angle setting
Soft start
Standby mode
Current limit
Lock protection and automatic restart
Rotation speed pulse signal(FG), Lock alarm
signal(AL) selectable
Drive PWM frequency selectable (50kHz/25kHz)
Application
General consumer equipment of Desktop PC, Server,
etc.
Office equipment, Copier, FAX, Laser Printer, etc.
Package
VQFN024V4040
W (Typ) x D (Typ) x H (Max)
4.00mm x 4.00mm x 1.00mm
VQFN024V4040
Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply Voltage
Power Dissipation
VCC 40 V
Pd
0.83(Note 1)
W
Operating Temperature
Topr -40 to +105 °C
Storage Temperature
Tstr
-55 to +150
°C
Junction Temperature
Tjmax
+150
°C
High Side Output Voltage
VOH VCC-7 to VCC V
Low Side Output Voltage
VOL 0 to 7 V
Output Current
IOMAX 10 mA
Signal Output Voltage
VSIG 40 V
Signal Output Current
ISIG 10 mA
Reference Voltage (REF) Output Current
IREF 10 mA
Input Voltage1 (PWMIN, CS, FSEL, SSEL, STBEN)
VIN1
5.3
V
Input Voltage2 (HP, HM, ADC input terminal)
VIN2
3.3
V
(Note 1) Derate by 6.64mW/°C when operating above Ta=25°C. (Mounted on 114.3mm×76.2mm×1.57mm 1layer board)
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over
the absolute maximum ratings.
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/26
TSZ02201-0H1H0B101660-1-2
5.Jul.2016 Rev.002

PagesPages 30
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