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BD6670FM Datasheet(PDF) 5 Page - Rohm

Part No. BD6670FM
Description  3Phase spindle motor driver for CD-RW
Download  17 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD6670FM Datasheet(HTML) 5 Page - Rohm

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BD6670FM
Motor driver ICs
5/17
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Electrical characteristics (unless otherwise noted, Ta=25
°C, VCC=5V, VM=12V)
Parameter
Conditions
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.3
Fig.3
Fig.3
Fig.3
Fig.4
Fig.4
Fig.4
Fig.6
Fig.6
Fig.6
Fig.6
Fig.7
Fig.7
Fig.7
Fig.4
Fig.4
Fig.5
Fig.5
Fig.10
Fig.10
Fig.11
Fig.11
Fig.9
Fig.4
Test Circuit
IHB
=10mA
EC
=ECR=1.65V
GSL
=L, RNF=0.5Ω
GSL
=M, RNF=0.5Ω
GSL
=H, RNF=0.5Ω
GSW
=L, RNF=0.5Ω
GSW
=M, RNF=0.5Ω
GSW
=H, RNF=0.5Ω
Stand by mode
Stand by mode
Oneside input level
Linear range : 0.5V
∼3.0V
IFG
=−100µA
VCC
=5V, VM=12V, CP1=CP2=0.1µF
IO
=±600mA (Upper+Lower)
Fig.8
Symbol
ICC1
ICC2
VPSON
VPSOFF
VHB
VHAR
VINH
VHYS+
VGSWL
VGSWH
VGSWOP
VHYS−
EC, ECR
Ecofs+
Ecofs
RON
GECL
ECIN
ITLL
ITLM
ITLH
VFGL
VFGH
VPUMP
GECM
GECH
Max.
1.3
3.6
10
17
5
40
100
1.0
5
0
1.35
19
920
460
0.84
1.68
0.42
1380
Min.
0.7
1.4
7
2.0
2.5
80
5
0
5
−100
−11
4.6
340
680
12.5
0.56
0.28
0.35
1.12
1020
Typ.
1.0
−5
−40
−20
1
12
20
1.3
0.6
50
−50
−2.5
1.0
400
800
17
0.70
1.40
1200
Unit
µA
V
V
V
V
V
V
V
mA
mVPP
mV
mV
mV
V
mV
µA
mA
mA
V
IFG
=+100µA
ICP1
=−4mA
ICP1
=+4mA
ICP2
=−4mA
ICP2
=+4mA
0.4
V
VCP1L
VCP1H
0.65
0.25
0.45
V
0.6
0.2
0.4
V
VCP2L
VCP2H
0.8
0.4
0.6
V
0.55
0.15
0.35
V
V
A/V
A/V
A/V
mA
Circuit current 1
Circuit current 2
ON voltage range
OFF voltage range
Hall bias voltage
Minimum input level
Low voltage range
High voltage range
Open voltage range
Input voltage range
Offset voltage (
+)
Hall hysteresis level (+)
Hall hysteresis level (
−)
In-phase input voltage range
Offset voltage (
−)
Input current
Output ON-resistance
Torque limit current L
Torque limit current M
Torque limit current H
<Charge pump voltage>
Charge pump output voltage
<Total>
<Hall bias>
<Power save>
<Hall AMP>
<Torque control>
<Gain switch>
Input / Output gain M
Input / Output gain H
Input / Output gain L
<Output>
Low voltage
High voltage
<FG / FG3 output>
Upper saturation voltage
Lower saturation voltage
<CP1 output>
Upper saturation voltage
Lower saturation voltage
<CP2 output>


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