BD6761FS,BD6762FV
Technical Note
10/22
www.rohm.com
2010.06 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
2)BD6762FV
Forward rotation (F/R=Low), 120° (120/SL=High)
Input conditions
Output state
High-side gate Low-side gate Output
Pin No.
15 17 19 3 6 9 5 8 11 4 7 10
HU+ HV+ HW+ UHG VHG WHG ULG VLG WLG U V W
Condition 1 L L H L H L L L H M H L
Condition 2 H L H L H L H L L L H M
Condition 3 H L L L L H H L L L M H
Condition 4 H H L L L H L H L M L H
Condition 5 L H L H L L L H L H L M
Condition 6 L H H H L L L L H H M L
Reverse rotation (F/R=High), 120° (120/SL=High)
Input condition
Output state
High-side gate Low-side gate Output
Pin No.
15 17 19 3 6 9 5 8 11 4 7 10
HU+ HV+ HW+ UHG VHG WHG ULG VLG WLG U V W
Condition 1 L L H L L H L H L M L H
Condition 2 H L H H L L L H L H L M
Condition 3 H L L H L L L L H H M L
Condition 4 H H L L H L L L H M H L
Condition 5 L H L L H L H L L L H M
Condition 6 L H H L L H H L L L M H
ST/SP Mode
OPEN or High Standby
L Operating mode
Input condition
Hall input voltage H 2.0V
M 1.5V
L 1.0V
HU-, HV-, HW- M
Output criteria
High-side FET gate voltage : Loutput (U, V, W) + 1V, VG - 1VH
Low-side FET gate voltage : L1V, 9VH
BD6761FS,BD6762FV
Technical Note
11/22
www.rohm.com
2010.06 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
Timing Chart
1) BD6761FS
Fig.11 BD6761FS I/O Timing Chart
SINU, SINV, and SINW are the internal IC signals synthesized by the Hall amplifier.
2) BD6762FV
Fig.12 BD6762FV I/O Timing Chart
UH
UL
VH
VL
WH
WL
120°
120° slope
HU+
HU-
HV-
HV+
HW-
HW+
UH
UL
VH
VL
WH
WL
Triangular waveform amplitude
HU+
HU-
HV+
HV-
HW-
HW+
SINV
Forward rotation
UHG
ULG
VHG
VLG
WHG
ULG
VHG
VLG
WHG
WLG
SINU
SINW
WLG
Reverse rotation
UHG
Hall signal
Hall signal
BD6761FS,BD6762FV
Technical Note
12/22
www.rohm.com
2010.06 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
I/O Circuit Diagram
1) BD6761FS
High-side gate Low-side gate Hall input
Booster CFE pin CPOUT pin
RCP, RFE pins ACC, DEC, FR pins
Peak hold Current sense amplifier Current limit
FG amplifier input FG amplifier output FGSOUT pin
VREG 8.5V
CP1
(pin2)
VG
(pin31)
(pin32)
CP2
VCC
30
VCC
44k
16k
RFE
(pin17)
30
VREG
VCC
VG
100k
VG
UHG (pin3)
VHG (pin5)
WHG (pin7)
VREG 10.5V
100k
VCC
ULG (pin4)
VLG (pin6)
WLG (pin8)
200
200
VCC
PH
(pin10)
CL (pin9)
5k
VCC
5k
12k
30
5k
VCC
VREF
CNF
(pin32)
PH
(pin10)
5k
5k
VCC
PH
(pin10)
VREF
200
FGIN-
(pin27)
FGIN+
(pin26)
200
VREG
VCC
25k
25k
VCC
FGSOUT
(pin29)
VCC
CPOUT (pin24)
VREG
VCC
5k
1
1k
1k
5k
33k
26k
RCP
(pin23)
30
VREG
VCC
30
VCC
3.1k
FGOUT
(pin28)
30
100k
5k
DEC (pin21)
A
CC (pin22)
VCC
F/R (pin20)
VREG
CFE
(pin18)
VCC
30
VREG
VREG
VCC
HU+ (pin11)
HV+ (pin13)
HW+ (pin15)
HU- (pin12)
HV- (pin14)
HW- (pin16)
VCC
5k 5k
2k
2k

826938-3

Mfr. #:
Manufacturer:
TE Connectivity / AMP Connectors
Description:
Headers & Wire Housings 3P AMPMODU II STIFT LEI
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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