lb11690 Sanyo Semiconductor Corporation, lb11690 Datasheet - Page 16
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lb11690
Manufacturer Part Number
lb11690
Description
Pre-driver Ic For Brushless Motor Drive In Electric Bicycles
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LB11690.pdf
(19 pages)
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11. Regulator Output Voltage Stabilization
Hall Sensor Input to Drive Output Timings
Capacitors of 0.1 µF or larger must be inserted between the V5 (5 V control circuit power supply) and V12 (12 V low
side drive output circuit power supply) pins and ground. The ground sides of these capacitors must be connected to
points as close as possible to an IC ground pin.
While each of these outputs can provide currents of up to 30 mA to
external circuits, care is required since this can increase IC heating. If this
IC is used as the power supply for the Hall sensor IC and other circuits and
heating becomes a problem, use an external transistor as shown in the
figure so that this heating load is born by that transistor.
Hall sensor input
Pre-driver output
Hall sensor signal
pulse output
FV output
WH
WL
UH
VH
HP
UL
VL
IN1
IN2
IN3
T
denotes a PWM output.
1.1RC
LB11690, 11690H
V5 or
V12 pin
V CC
Hall sensor IC power supply
No. 7543-16/19