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Rohm Semiconductor Electronic Components Datasheet

BH6766FVM Datasheet

5V Single-phase Full wave Fan motor driver

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BH6766FVM pdf
Datasheet
DC Brushless Fan Motor Driver
5V Single-phase Full wave
Fan motor driver
BH6766FVM
Description
This is the summary of application for BH6766FVM that suit for notebook PC cooling fan motor. They employ Bi-CMOS
process and realize low ON resistance, low power consumption and quiet drive.
Features
Compact package (MSOP8)
BTL soft switching drive
Constant voltage output for hall element
Rotating speed pulse signal (FG) output
Package(s)
MSOP8
W(Typ.) x D(Typ.) x H(Max.)
2.90mm x 4.00mm x 0.90mm
Application
Compact 5V fan such as notebook PC cooling fan
Absolute maximum ratings
Parameter
Symbol
Limit
Supply voltage
Vcc 7
Power dissipation
Pd 585*
Operating temperature
Topr
-40 to +105
Storage temperature
Tstg -55 to +150
Output current
Iomax
630**
FG signal output voltage
Vfg
7
FG signal output current
Ifg
5
Junction temperature
Tjmax
150
* Reduce by 4.68mW/over Ta=25ºC(70.0mm×70.0mm×1.6mm glass epoxy board)
** This value is not to exceed Pd
Operating conditions
Parameter
Symbol
Operating supply voltage range Vcc
Hall input voltage range
Vh
Limit
2.0 to 6.0
0.4 to Vcc-1.1
MSOP8
Unit
V
mW
mA
V
mA
Unit
V
V
Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/9
TSZ02201-0H1H0B100100-1-2
11.Jul.2012 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BH6766FVM Datasheet

5V Single-phase Full wave Fan motor driver

No Preview Available !

BH6766FVM pdf
BH6766FVM
Datasheet
Electrical characteristics(Unless otherwise specified Ta=25,Vcc=5V)
Parameter
Circuit current
Input offset voltage
Output voltage
Input-output Gain
Limits
Symbol
Unit
Min. Typ. Max.
Conditions
Characteristics
Icc - 5 8 mA
Fig.1
Vhofs
-
- ±6 mV
Io250mA
Vo
-
0.32 0.49
V Upper and Lower total
Gio 45 48 51 dB
-
Fig.2,3
-
FG low voltage
FG leak current
Input hysteresis voltage
Hall bias voltage
Vfgl
Ifgl
Vhys
Vhb
- - 0.3 V Ifg=3mA
- - 5 μA Vfg=7V
±5 ±10 ±15 mV
1.1 1.3 1.5
V Ihb=-5mA
Fig.4
-
Fig.5
Fig.6
Reference data
6
5
4
105
3
25
-40
2
1
Operating Voltage Range
0
0246
Supply voltage,Vcc[V]
Fig.1 Circuit current
8
0.5
0.4
0.3
0.2
0.1
0.0
0
2V
5V
6V
1234
FG current, Ifg[mA]
Fig.4 FG low voltage
5
1.0
0.8
0.6
105
0.4
25
-40
0.2
0.0
0.0
0.1 0.2 0.3 0.4 0.5 0.6
Output current, Io[A]
Fig.2 Output L voltage
0.7
20
15 105
25
10
-40
5
Operating Voltage Range
0
-5
-40
-10
25
-15 105
-20
0
246
Supply voltage, Vcc[V]
8
Fig.5 Input hysteresis voltage
0.0
-0.2
-40
-0.4
25
-0.6
105
-0.8
-1.0
0.0
0.1 0.2 0.3 0.4 0.5 0.6
Output current, Io [A]
Fig.3 Output H voltage
0.7
1.6
105
25
1.2 -40
0.8
0.4
0.0
0
2468
Hall bias current, Ihb[mA]
Fig.6 Hall bias voltage
10
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/9
TSZ02201-0H1H0B100100-1-2
11.Jul.2012 Rev.001


Part Number BH6766FVM
Description 5V Single-phase Full wave Fan motor driver
Maker Rohm
Total Page 13 Pages
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BH6766FVM pdf
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