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부품번호 | BD6721FS 기능 |
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기능 | Multifunction Single-phase Full-wave Fan Motor Driver | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 17 페이지수
Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD6721FS
●General description
BD6721FS is a 1chip driver that composes H-bridge of
power DMOS FET.
Moreover, because the level amplifier is installed, the
temperature control by the thermistor is also easy.
●Package
SSOP-A16
W (Typ.) x D (Typ.) x H (Max.)
6.60mm x 6.20mm x 1.71mm
●Features
Driver including power DMOS FET
Speed controllable by DC / direct PWM input
PWM soft switching
Quick start
Current limit
Lock protection and automatic restart
Rotation speed pulse signal (FG) output
Lock alarm signal (AL) output
SSOP-A16
●Application
Fan motors for general consumer equipment of desktop PC, and Projector, etc.
●Absolute maximum ratings
Parameter
Symbol
Limit
Supply voltage
Power dissipation
Vcc 20
Pd 812.5 *1
Operating temperature range
Topr –40 to +100
Storage temperature range
Tstg –55 to +150
Output voltage
Output current
Vo 20
Io 1.0 *2
Rotation speed pulse signal (FG) output voltage
Vfg
20
Rotation speed pulse signal (FG) output current
Ifg
10
Lock alarm signal (AL) output voltage
Val 20
Lock alarm signal (AL) output current
Ial 10
Reference voltage (REF) output current
Iref
8
Junction temperature
Tj 150
*1 Reduce by 6.5mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
*2 This value is not to exceed Pd.
Unit
V
mW
°C
°C
V
A
V
mA
V
mA
mA
°C
●Recommended operating conditions
Parameter
Operating supply voltage range
Operating input voltage range
(H+, H–, TH, MIN, LAIN) (more than Vcc=9V)
Operating input voltage range
(H+, H–, TH, MIN, LAIN) (less than Vcc=9V)
Symbol
Vcc
Vin
Limit
4.5 to 17.0
0 to 7
0 to Vcc–2
Unit
V
V
V
○Product structure:Silicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/13
TSZ02201-0H1H0B100170-1-2
28.JUL.2012 Rev.002
BD6721FS
●Typical performance curves(Reference data)
Datasheet
10
8
6
4
2
0
0
25°C
100°C
–40°C
Operating range
5 10 15
Supply voltage: Vcc[V]
Fig.3 Circuit current
20
20
10
0
-10
-20
0
100°C
25°C
–40°C
Operating range
–40°C
25°C
100°C
5 10 15
Supply voltage: Vcc[V]
Fig.4 Hall input hysteresis voltage
20
0.0 0.0
-0.2 -0.2
-0.4 -0.4
-0.6 –40°C
25°C
-0.8
-1.0
0.0
100°C
0.1 0.2 0.3 0.4 0.5 0.6
Output source current: Io[A]
0.7
Fig.5 Output high voltage (Vcc=12V)
-0.6 17V
12V
-0.8
-1.0
0.0
5V
0.1 0.2 0.3 0.4 0.5 0.6
Output source current: Io[A]
Fig.6 Output high voltage (Ta=25°C)
0.7
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
4/13
TSZ02201-0H1H0B100170-1-2
28.JUL.2012 Rev.002
4페이지 BD6721FS
●Typical performance curves(Reference data)
Datasheet
60
40 –40°C
25°C
20 100°C
0
Operating range
-20 100°C
25°C
-40 –40°C
-60
0
5 10 15
Supply voltage: Vcc[V]
Fig.15 OSC charge/discharge current
20
70
60
50 –40°C
40
25°C
30
1.E+01
100°C
1.E+02
1.E+03
Input frequency: Flain[Hz]
1.E+04
Fig.16 Level amplifier gain (Vcc=12V)
70
17V
12V
5V
60
50
40
30
1.E+01
1.E+02
1.E+03
Input frequency: Flain[Hz]
1.E+04
Fig.17 Level amplifier gain (Ta=25°C)
2.0
1.8 –40°C
1.6 25°C
1.4
100°C
1.2
Operating range
1.0
0
5 10 15
Supply voltage: Vcc[V]
20
Fig.18 Level amplifier output high voltage
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
7/13
TSZ02201-0H1H0B100170-1-2
28.JUL.2012 Rev.002
7페이지 | |||
구 성 | 총 17 페이지수 | ||
다운로드 | [ BD6721FS.PDF 데이터시트 ] |
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부품번호 | 상세설명 및 기능 | 제조사 |
BD6721FS | Multifunction Single-phase Full-wave Fan Motor Driver | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |