LV8136V SANYO [Sanyo Semicon Device], LV8136V Datasheet - Page 14

• Manufacturer Part Number: LV8136V
• Description: Bi-CMOS IC For Brushless Motor Drive Direct PWM Drive, Quiet Predriver IC
• Manufacturer: SANYO [Sanyo Semicon Device]

Timing Chart (IN = “H”indicates the state in which IN + is greater than IN - .)
(1) F/R pin = L
UOUT
VOUT
WOUT
UOUT
VOUT
WOUT
UOUT
VOUT
WOUT
3 HALL FG
1 HALL FG
HIN1 ON
HIN2 ON
HIN3 ON
HIN1 ON
HIN2 ON
HIN3 ON
HIN1 ON
HIN2 ON
HIN3 ON
LIN1 ON
LIN2 ON
LIN3 ON
LIN1 ON
LIN2 ON
LIN3 ON
LIN1 ON
LIN2 ON
LIN3 ON
IN1 +
IN1 -
IN2 +
IN2 -
IN3 +
IN3 -
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
F/R="L"120° energization
OFF
OFF
OFF
F/R="L"150° energization
OFF
OFF
OFF
F/R="H"120° energization in reverse rotate
OFF
OFF
OFF
Normal hall input LA=0
SOFF
PWM
ON
PWM
PWM SOFF
H
H
L
PWM
ON
PWM
H
L
L
PWM
SOFF
PWM
ON
PWM SOFF
H
H
L
PWM
ON
PWM
H
L
L
PWM
SOFF
PWM
ON
PWM SOFF
H
H
L
LV8136V
PWM
ON
PWM
H
L
L
PWM
SOFF
PWM
ON
PWM SOFF
H
H
L
PWM
ON
PWM
H
L
L
SOFF
PWM
ON
PWM SOFF
H
H
L
PWM
ON
PWM
H
L
L
PWM
SOFF
PWM
ON
PWM SOFF
H
H
L
PWM
ON
No.A2005-14/19
PWM
PWM
H
L
L
SOFF