bd6761fs ROHM Co. Ltd., bd6761fs Datasheet - Page 13

• Manufacturer Part Number: bd6761fs
• Description: Motor Driver Ic Series For Printers Three-phase Brushless Motor Pre-driver For Paper Feed Us
• Manufacturer: ROHM Co. Ltd.

●Timing chart
1)BA6680FS
3)BD6762FV
Hall signal
Hall signal
H1=H1
H2=H2
H3=H3
120° slope
UHG
120°
WHG
VHG
HU+
HU-
HV-
HV+
HW-
HW+
ULG
WLG
+
+
+
VLG
UH
UL
VH
VL
WH
WL
UH
UL
VH
VL
WH
WL
-H1
-H2
-H3
-
-
-
Fig.15 BA6680FS I/O Timing Chart
Fig.17 BD6762FV I/O Timing Chart
SINU, SINV, and SINW are the internal IC signals synthesized by the Hall amplifier.
Switching by PWM
Hysteresis width
13/24
Forward rotation
Reverse rotation
2)BD6761FS
Hall signal
SINW
SINU
SINV
WHG
WHG
UHG
WLG
VHG
WLG
ULG
VHG
VLG
ULG
UHG
VLG
HU+
HU-
HV+
HV-
HW-
HW+
Fig.16 BD6761FS I/O Timing Chart
Triangular waveform amplitude