LV8138V SANYO [Sanyo Semicon Device], LV8138V Datasheet - Page 15

• Manufacturer Part Number: LV8138V
• Description: Bi-CMOS IC For Brushless Motor Drive Sine wave PWM Drive, Pre driver IC
• Manufacturer: SANYO [Sanyo Semicon Device]

(2) F/R pin = H
UOUT
VOUT
WOUT
UOUT
VOUT
WOUT
3 HALL FG
1 HALL FG
UOUT
VOUT
WOUT
Reverse hall input LA=0
HIN1 ON
HIN2 ON
HIN3 ON
Max Duty
HIN1 ON
HIN2 ON
HIN3 ON
LIN1 ON
LIN2 ON
LIN3 ON
Max Duty
LIN1 ON
LIN2 ON
LIN3 ON
Max Duty
IN1 +
IN1 -
IN2 +
IN2 -
IN3 +
IN3 -
F/R="H"120° energization
F/R="H" sin wave drive method
F/R="L"120° energization in reverse rotate
OFF
OFF
OFF
OFF
OFF
OFF
The energization is switched to 120° when 3 Hall FG frequency is 6.1Hz (TYP) or lower
A direction of rotation is detected from Hall signal according to F/R pin input
If the motor rotates in reverse against F/R pin input, 120° energization is maintained forcibly.
IN1
IN2
IN3
0%
0%
0%
PWM
H
L
L
PWM
H
H
L
PWM
H
L
L
PWM
H
H
L
PWM
H
L
L
LV8138V
PWM
H
H
L
PWM
H
L
L
PWM
H
H
L
PWM
H
L
L
PWM
H
H
L
PWM
H
L
L
PWM
No.A2013-15/19
PWM
H
H
L