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부품번호 | BA6665FM 기능 |
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기능 | Motor driver for CD-ROMs | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 9 페이지수
Optical disc ICs
Motor driver for CD-ROMs
BA6665FM
BA6665FM
The BA6665FM is a CD-ROM spindle motor driver supporting reverse-rotation preventing circuit. It incorporates power
save circuit, thermal shut down circuit, FG output, hall bias, etc. The 3-phasefall-wave pseudo linear driving system
achieves high-performance and multi-function.
zApplications
CD-ROM / RW, DVD-ROM
zFeatures
1) 3-phase, full-wave pseudo linear driving system
2) Built in power save
3) Built in thermal shut down circuit
4) Built in current limit circuit
5) Built in Hall Bias circuit
6) Built in FG-output ( 3 phase parallel output )
7) With switching function of regular / reverse rotations
zAbsolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Supply voltage
Supply voltage
Power dissipation
Operate.temp.range
VCC
VM
Pd
Topr
7
15
2200∗1
−20~+75
Strage.temp.range
Juncition temp.
Maximum o.current
Tstg
Tjmax
IOUT
−55~+150
150
1300∗2
70mm×70mm×1.6mm glass epoxy board.
∗1 Derating in done at 17.6mW / ˚C for operating above Ta=25˚C.
∗2 Do not, however exceed Pd, ASO and Tj=150˚C.
Unit
V
V
mW
˚C
˚C
˚C
mA
zRecommended operating conditions (Ta=25°C)
Parameter
Symbol Min. Typ.
Operating supply voltage
VCC
4.5
−
range
VM 3.0 −
Max.
5.5
14.0
Unit
V
Optical disc ICs
BA6665FM
zElectrical characteristics (unless otherwise noted, Ta=25°C, VCC=5V, VM=12V)
Parameter
TOTAL
Circuit current1
Circuit current2
POWER SAVE
ON voltage range
OFF voltage range
HALL BIAS
Hall bias voltage
HALL AMP
Input bias current
In−phase input voltage range
Minimum input level
H3 hysteresis level
TORQUE CONTROL
Input voltage range
Offset voltage −
Offset voltage +
Input current
Input−output Gain
FG
FG output voltage H
FG output voltage L
OUTPUT
Saturation voltage H
Saturation voltage L
Pre−drive current
Torque limit current
REVERSE
ON voltage range
OFF voltage range
Symbol Min. Typ. Max. Unit
Conditions
ICC1 − 0 0.2 mA At power save ON
ICC2 − 4.7 7.1 mA At power save OFF
VPSON
2.5
−
−
VPSOFF
−
− 1.0
V
V
VHB 0.5 0.9 1.5
V IHB=10mA
IHA
VHAR
VINH
VHYS
− 0.7 3.0
µA
1.5 − 4.0
V
50 −
− mVpp
10 20 40
mV
EC , ECR 0 − 5
ECOFF − −70 −40 −10
ECOFF +
10
40
70
ECIN
− 0.5 2.0
GEC 0.56 0.7 0.84
V
mV
mV
µA
A/V
EC , ECR=0.5V~3.3V
ECR=1.65V
ECR=1.65V
EC=ECR=1.65V
EC=1.3 , 1.5V 1.8 , 2.0V
RNF=0.5Ω
VFGH
VFGL
4.5 4.9 5.0
0 0.25 0.4
V IFG=−20µA
V IFG=3mA
VOH − 1.0 1.5 V IO=−600mA
VOL − 0.4 0.8 V IO=600mA
IVMP − 35 70 mA EC=5V output open
ITL
560 700 840
mA RNF=0.5Ω
VRSON
2.5
−
−
VRSOFF
−
− 1.0
V
V
Test Circuit
Fig.1
Fig.1
Fig.2
Fig.2
Fig.3
Fig.3
Fig.3
Fig.6
Fig.5
Fig.5
Fig.5
Fig.6
Fig.6
Fig.4
Fig.4
Fig.6
Fig.2
4페이지 Optical disc ICs
BA6665FM
5V
12V
RNF
1.65V
VOH : In case output measurement pin='H'
by input condition and IO=−600mA,
value of 'VOH'. (VM-RNF short)
VOL : In case output measurement pin='L'
by input condition and IO=600mA,
value of 'VOL'.
3, 5, 7pin
H1+ H2+ H3+
H1− H2− H3−
600mA
VOH
3, 5, 7pin
600mA
VOL
VM GND
)Fig.4
Output saturation voltage H
Output saturation voltage L
Test Circuit
12V
5V
V
RNF
EC
A
1.65V
RL
H1+ H2+ H3+
H1− H2− H3−
)Fig.5
Torque offset voltage
Input-output gain
Test Circuit
EC : Torque control operating. range.
ECOFF+, ECOFF− : Offset voltage at ECR=1.65V that
value of 'V' become 3mV.
ECIN : Value of 'A' at EC=ECR=2.5V
GEC : Value of 'V' at EC=1.3V→V1
Value of 'V' at EC=1.5V→V2
Value of 'V' at EC=1.8V→V3
Value of 'V' at EC=2.0V→V4
GEC={(V1−V2) / (1.5−1.3)} / RNF
GEC={(V4−V3) / (2.0−1.8)} / RNF
RNF=0.5Ω
7페이지 | |||
구 성 | 총 9 페이지수 | ||
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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 |
BA6665FM | Motor driver for CD-ROMs | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |