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부품번호 | BD6971FV 기능 |
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기능 | Multifunction Single-phase Full-wave Fan Motor Driver | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 16 페이지수
Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD6971FV
●General description
BD6971FV is a 1chip driver that composes H-bridge of
power DMOS FET.
It is possible to correspond to a small motor by starting
from 3.5V and installing in the SSOP small package.
●Package
SSOP-B14
W (Typ.) x D (Typ.) x H (Max.)
5.00mm x 6.40mm x 1.35mm
●Features
SSOP small package
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
SSOP-B14
●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 874.7 *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
Reference voltage (REF) output current
Iref
5
Hall bias (HB) output current 1
Hall bias (HB) output current 2
Ihb1
Ihb2
5
10 *3
Input voltage (H+, H–, TH, MIN, CS)
Vin 7
Junction temperature
Tj 150
*1 Reduce by 7.0mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
*2 This value is not to exceed Pd.
*3 The condition of Ta=25°C and Vcc=12V
Unit
V
mW
°C
°C
V
A
V
mA
mA
mA
mA
V
°C
●Recommended operating conditions
Parameter
Operating supply voltage range
Operating input voltage range 1 (H+, H–)
(more than Vcc=9V)
Operating input voltage range 1 (H+, H–)
(less than Vcc=9V)
Operating input voltage range 2 (TH, MIN)
Symbol
Vcc
Vin1
Vin2
Limit
3.5 to 17.0
0 to 7
0 to Vcc–2
0 to Vref
Unit
V
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
1/12
TSZ02201-0H1H0B100150-1-2
28.JUL.2012 Rev.002
BD6971FV
●Typical performance curves(Reference data)
Datasheet
10
8
6
4
2
0
0
20
100°C
25°C
–40°C
Operating range
5 10 15
Supply voltage: Vcc[V]
Fig.3 Circuit current
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 -0.6
-0.8
-1.0
0.0
100°C
25°C –40°C
0.2 0.4 0.6 0.8 1.0
Output source current: Io[A]
Fig.5 Output high voltage (Vcc=12V)
-0.8
3.5V
-1.0
12V
0.0 0.2 0.4 0.6 0.8
Output source current: Io[A]
17V
1.0
Fig.6 Output high voltage (Ta=25°C)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
4/12
TSZ02201-0H1H0B100150-1-2
28.JUL.2012 Rev.002
4페이지 BD6971FV
●Typical performance curves(Reference data)
16
100°C
8 25°C
–40°C
0
Operating range
–40°C
-8 25°C
100°C
-16
0
5 10 15
Supply voltage: Vcc[V]
Fig.15 OSC charge/discharge current
20
7
6
5
4
3
2
0
Datasheet
100°C
25°C
–40°C
Operating range
5 10 15
Supply voltage: Vcc[V]
Fig.16 Reference voltage
20
6.4 1.5
6.2 1.4
100°C
6.0
25°C
5.8
–40°C
5.6
0
1234
Output source current: Iref[mA]
5
Fig.17 Reference voltage current ability (Vcc=12V)
1.3
1.2
1.1
0
100°C
25°C
–40°C
Operating range
5 10 15
Supply voltage: Vcc[V]
Fig.18 Hall bias voltage 1
20
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
7/12
TSZ02201-0H1H0B100150-1-2
28.JUL.2012 Rev.002
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
BD6971FS | Multifunction Single-phase Full-wave Fan Motor Driver | ROHM Semiconductor |
BD6971FV | Multifunction Single-phase Full-wave Fan Motor Driver | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |