lb11691 Sanyo Semiconductor Corporation, lb11691 Datasheet - Page 7

• Manufacturer Part Number: lb11691
• Description: Pre-driver Ic For Brushless Motor Drive In Electric Bicycles
• Manufacturer: Sanyo Semiconductor Corporation

Pin Description
Pin No.
34
35
36
10
11
1
4
2
5
3
6
7
8
9
VL
UL
WL
VOUT
UOUT
WOUT
VH
UH
WH
IN1
IN2
IN3
RES
HSEL
Pin Name
Output pin
(Gate driving output pin of lower Nch power FET)
For duty control
Voltage detection pin
(Source voltage detection pin of upper Nch power
FET)
Output pin
(Gate driving output pin of lower Nch power FET)
Hall input pin
“H” in the open condition.
Connect a capacitor to GND for stabilization.
Reset pin
Pin to change over the phase difference of
three-phase Hall input
HSEL = “L” 120°
HSEL = “H” 60°
Description
LB11691
V5
V5
V5
VB
V12
Equivalent Circuit
50kΩ
50kΩ
10kΩ
30kΩ
40kΩ
8kΩ
2kΩ
300Ω
LVSD
Continued on next page.
1
5kΩ
4 34
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3
2
7
6 36
5 35
8
11
10
9