BA6665FM Rohm Semiconductor, BA6665FM Datasheet - Page 8

• Manufacturer Part Number: BA6665FM
• Description: IC MOTOR DRIVER HSOP-M28
• Manufacturer: Rohm Semiconductor

Specifications of BA6665FM

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 28-HSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Optical disc ICs
R
NF
Electrical characteristic curves
7.5
2.5
5
9
8
7
6
5
4
3
2
1
12V
0
50 40 30 20 10 0
H3 HYSTERESIS VOLTAGE ; H
R
L
Fig.10 H3 Hysteresis Level
1
A
SUPPLY VOLTAGE : V
Fig.7 Circuit Current
5V
2
Fig.6
3
Hall hysteresis level
Pre-drive current
FG output voltage H
FG output voltage L
4
10 20 30 40 50
E
C
CC
5
3
+
(V)
H
3
6
(mV)
7
1.65V
H1
)
Test Circuit
H1
VL
H2
9
8
7
6
5
4
3
2
1
0
H2
Fig.11 Torque Control Offset voltage
50
I
Fig.8 PS Threshold voltage
H3
FG
OFFSET VOLTAGE ; E
1
H3
PS VOLTAGE : V
2
20
10
I
TL
0
(mA)
3
PS
C
(V)
VHYS : Difference Hn from Hn that
IVMp : value of 'A'
VFGL : Value of 'FG-OUTPUT-VOLTAGE'
VFGH : Value of 'FG-OUTPUT-VOLTAGE'
E
CR
4
(mV)
50
FG1 / FG2 / FG3 voltage change. (n=1, 2, 3)
Output open
(Input condition 1~6)
at IFG=3mA (Hn =L)
at IFG= 20 A (Hn =H)
5
EC=ECR=1.65V
EC=5V, ECR=2.5V
E
C
E
CR
(mV)
900
800
700
600
500
400
300
200
100
5
4
3
2
1
0
0
10 20 30 40 50 60 70 80 90 100
HALL BIAS CURRENT : I
Fig.12 Torque Limit Current
Fig.9 Hall Bias voltage
TORQUE VOLTAGE : E
1
BA6665FM
2
3
VH
C
(mA)
(V)
4
5