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LB11922 Datasheet(PDF) 10 Page - Sanyo Semicon Device

Part # LB11922
Description  For OA Products Three-Phase Brushless Motor Driver
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB11922 Datasheet(HTML) 10 Page - Sanyo Semicon Device

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LB11922
No.7497-10/15
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent circuit
19
20
FGIN-
FGIN+
FG amplifier inputs.
FGIN- : FG amplifier inverting input
FGIN+ : FG amplifier noninverting input
Insert capacitors between these
pins (which have a potential of 1/2
VCC) and ground.
20
VCC
500
Ω
500
Ω
500
Ω
19
FGOUT
21
RFGND
Output current detection.
Connect a resistor between this pin and
ground.
VCC
21
22
RF
Output current detection.
Connect a resistor between this pin and
ground.
The output limitation maximum current, IOUT,
is set to be 0.26/Rf by this resistor.
VCC
22
23
GND
Ground connection.
24
25
26
27
28
29
UL
UH
VL
VH
WL
WH
Outputs (that are used to drive external
transistors).
These are push-pull outputs.
The PWM duty is controlled on the UH, VH, and
WH side of these outputs.
24 26 28
25 27 29
VCC
30
VCC
Power-supply voltage.
Connect a capacitor between this pin and
ground for power supply stabilization.
31
32
33
34
35
36
IN3-
IN3+
IN2-
IN2+
IN1-
IN1+
Hall-effect device inputs.
The input is seen as a high-level input when
IN+ > IN-, and as a low-level input for the
opposite state.
If noise on the Hall-effect device signals is a
problem, insert capacitors between the
corresponding IN+ and IN- inputs.
The logic high state indicates that VIN+ > VIN-.
36
34
32
VCC
500
Ω
500
Ω
31 33 35
14
17
NC
These are unconnected pins, and can be used
for wiring.


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