LB11691H Datasheet, PDF (7/21 Pages) Sanyo Semicon Device – Monolithic digital IC Pre-Driver IC for Brushless Motor Drive in Electric Bicycles

Pin Description
Pin No. Pin Name
1
VL
4
UL
34
WL
LB11691H
Description
Output pin
(Gate driving output pin of lower Nch power FET)
For duty control
V12
Equivalent Circuit
50kΩ
1 4 34
2
VOUT
Voltage detection pin
VB
5
UOUT
(Source voltage detection pin of upper Nch power
35
WOUT
FET)
3
VH
6
UH
36
WH
Output pin
(Gate driving output pin of lower Nch power FET)
50kΩ
3 6 36
2 5 35
7
IN1
Hall input pin
V5
8
IN2
“H” in the open condition.
9
IN3
Connect a capacitor to GND for stabilization.
8kΩ
10kΩ 2kΩ
789
10
RES
Reset pin
V5
11
HSEL
Pin to change over the phase difference of
V5
three-phase Hall input
HSEL = “L” 120°
HSEL = “H” 60°
300Ω
10
LVSD
30kΩ
40kΩ
5kΩ
11
Continued on next page.
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