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PDF BA6424AFS Data sheet ( Hoja de datos )
| Número de pieza | BA6424AFS | |
| Descripción | Standard Single-phase Full wave Fan Motor Driver | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
DC Brushless Fan Motor Driver
Standard Single-phase Full wave
Fan Motor Driver
BA6424AFS
●General Description
This is the summary of application for BA6424AFS. BA6424AFS incorporates lock protection and automatic restart circuit.
●Features
Lock protection and auto restart
Rotating speed pulse signal (FG) output
Lock alarm signal (AL) output
●Applications
General consumer electronics, BD player, DVR, STB
Office equipment, Copier, FAX Laser Printer etc.
●Package(s)
SSOP-A16
W(Typ.) x D(Typ.) x H(Max.)
6.60mm x 6.20mm x 1.71m
●Absolute maximum ratings
Parameter
Symbol
Ratings
Supply voltage
Power dissipation
Operation temperature
Storage temperature
Vcc
Pd
Topr
Tstg
30
812.5*
-40 to +100
-55 to +150
Output current
Iomax
1.0**
Output voltage
FG signal output voltage
AL signal output voltage
Vout
Vfg
Val
30
30
30
Junction temperature
Tjmax
150
* Reduce by 6.5mW/℃ over 25℃. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
** This value is not to exceed Pd.
●Operating Conditions
Parameter
Symbol
Ratings
Operating supply voltage range
Hall input voltage range
Vcc
Vh
6.0 to 28.0
2.5 to Vcc
SSOP-A16
Unit
V
mW
℃
℃
A
V
V
V
℃
Unit
V
V
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
1/10
TSZ02201-0H1H0B100240-1-2
19.Jul.2012 Rev.001
1 page  
BA6424AFS
Datasheet
○Reducing the noise of hall signal
Hall element may be affected by Vcc noise or the like depending on the wiring pattern of board. In this case, place
a capacitor like C1 in Fig.9. In addition, when wiring from the hall element output to IC hall input is long, noise may
be loaded on wiring. In this case, place a capacitor like C2 in Fig.9.
H- H+
C2
Vcc
Hall element
RH
R1
C1
Hall bias current
= Vcc / (RH+R1 )
Fig.9 Application near hall signal
＊This IC doesn’t have hall input hysteresis.
Note the hall input so that the FG signal do not chatter by the noise of the hall signal.
●Equivalent circuit
1) Hall input terminal
H+
H-
Vcc
2) Motor output terminal
Vcc
GND
OUT1
OUT2
3) Lock detection and automatic restart capacitor
connecting terminal
Vcc
LD
4) FG/AL signal output terminal
FG
or
AL
GND
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/10
TSZ02201-0H1H0B100240-1-2
19.Jul.2012 Rev.001
5 Page 
Datasheet
Notice
Precaution on using ROHM Products
1. Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1), transport
equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car
accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or
serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific
Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU CHINA
CLASSⅢ
CLASSⅣ
CLASSⅢ
CLASSⅡb
CLASSⅢ
CLASSⅢ
2. ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3. Our Products are designed and manufactured for use under standard conditions and not under any special or
extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any
special or extraordinary environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of
product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4. The Products are not subject to radiation-proof design.
5. Please verify and confirm characteristics of the final or mounted products in using the Products.
6. In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7. De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
8. Confirm that operation temperature is within the specified range described in the product specification.
9. ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1. When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2. In principle, the reflow soldering method must be used; if flow soldering method is preferred, please consult with the
ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice - GE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.002
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet BA6424AFS.PDF ] | |
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