LB11920 Datasheet, PDF (6/10 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver for Office Equipment Applications

Pin Functions
Pin No. Pin
Function
28 OUT1
1 OUT2 Motor drive output pin
2 OUT3
LB11920
VM
Equivalent circuit
300 Ω
RF
3, 26 GND2 Output GND pin
5, 25 VM Power pin
6, 24
Output Tr power and output current detector pins,
which connect low resistance (Rf) to VM.
RF
The output current is restricted to the current value
set with I_OUT = VRF/Rf.
VCC
Hall element signal three-phase composite output.
7
HP
Withstand voltage 35 V max.
5 25
6 24
1 2 28
3 26
7
VCC
Brake input pin.
8
BR
“L” for brake and “H” or open for normal rotation.
VCC
PWM PWM pulse input pin.
9
IN L for output drive and H or open for output OFF
VCC
3.5 kΩ
8
3.5 kΩ
9
10
F/R Forward/reverse input pin
3.5 kΩ
10
Continued on next page.
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