BA6901F Datasheet PDF - ROHM Semiconductor
| Part Number | BA6901F | |
| Description | Two-phase Full-wave DC Brushless Fan Motor Drivers | |
| Manufacturers | ROHM Semiconductor | |
| Logo |  |
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There is a preview and BA6901F download ( pdf file ) link at the bottom of this page. Total 21 Pages | ||
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Datasheet
DC Brushless Motor Drivers for Cooling Fans
Two-phase Full-wave
DC Brushless Fan Motor Drivers
BA6901F
General description
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.
Package
SOP-16
W (Typ.) x D (Typ.) x H (Max.)
10.00mm x 6.20mm x 1.71mm
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
SOP16
Application
For desktop PC, server, general consumer equipment, communication equipment and industrial equipment.
Absolute maximum ratings
Parameter
Symbol
Limit
Supply voltage
Vcc 36
Power dissipation
Pd 625*
Operating temperature
Topr -40 +100
Storage temperature
Tstg -55 +150
Output current
Iomax
70
FG signal output current
Ifg 15
FG signal output voltage
Vfg 36
AL signal output current
Ial 15
AL signal output voltage
Val 36
Junction temperature
Tjmax
150
* Reduce by 5.0mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
Unit
V
mW
mA
mA
V
mA
V
Recommended operating conditions
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
Limit
3.5 28.0
0 Vcc-2.2
Unit
V
V
Product structure Silicon monolithic integrated circuit
w. ww.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product is not designed protection against radioactive rays
1/17
TSZ02201-0H1H0B100500-1-2
18.DEC.2012 Rev.002
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BA6901F
Typical performance curves(Reference data)
10
100
8 25
6 -40
4
2
Operating Voltage Range
0
0 6 12 18 24
Supply voltage, Vcc [V]
Fig.3 Circuit current
20
10
0
-10
-20
30 0
Datasheet
100
25
-40
100
25
Operating Voltage Range -40
6 12 18 24
Supply voltage, Vcc [V]
Fig.4 Hall input hysteresis
30
6.0
4.0
2.0
0.0
-2.0
0
100
25
-40
-40
25
Operating Voltage Range 100
6 12 18 24
Supply voltage, Vcc [V]
Fig.5 Charge-discharge current of
capacitor for lock detection
30
5. 0
4. 0
3. 0
2. 0
1. 0
0. 0
0
Operating Voltage Range
-40
25
100
6 12 18 24
Supply voltage, Vcc [V]
Fig.6 Clamp-comparison voltage of
capacitor for lock detection
30
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
5/17
TSZ02201-0H1H0B100500-1-2
18.DEC.2012 Rev.002
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BA6901F electronic component. |
| Information | Total 21 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Product Image and Detail view |  1. DC Brushless Fan Motor Drivers [ Learn More ] | |
| Download | [ BA6901F.PDF Datasheet ] | |
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