ENA1626 Datasheet, PDF (20/28 Pages) ON Semiconductor – Single-chip motor driver IC

LV8048CS
DC Motor and Voice Coil Motor Drive Methods (Channel 3, 4)
When channel 3 or channel 4 is used to drive a DC or voice coil motor, the drive polarity is set with the serial data.
Setting Procedure
(1) Set PWM signal input(channel 3 to 4) to CLK2/PWM select with the serial data.
→This sets up the signal input from the CLK2/PWM pin to be accepted as a PWM signal for channel 3 or channel 4.
( It doesn't accept as CLK signal.)
(2) If the output is to be controlled by PWM control, set up PWM mode and PWM signal allocation with the serial data.
(3) Set the drive polarity for each channel with the serial data.
(4) If the output is to be controlled by PWM control, input the CLK2/PWM signal to the PWM pin.
The following tables describe the correspondence between the PWM signal and the output logic.
Operation in Slow Decay Mode (forward/reverse ↔ brake)
Serial input
D4
D5
D6
D7
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
PWM input
CLK2/PWM
L
H
OUT5
OFF
H
L
L
L
L
L
L
Output
OUT6
OUT7
OFF
L
H
L
OFF
H
L
L
L
L
L
L
L
L
L
L
OUT8
OFF
L
H
L
L
L
L
L
Mode
Standby mode
OUT5 → OUT6
OUT6 → OUT5
Brake mode
Standby mode
OUT7 → OUT8
OUT8 → OUT7
Brake mode
Brake mode
Brake mode
Brake mode
Brake mode
Brake mode
Brake mode
Brake mode
Brake mode
Operation in Fast Decay Mode (forward/reverse ↔ standby mode)
Serial input
D4
D5
D6
D7
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
PWM input
CLK2/PWM
L
H
OUT5
OFF
H
L
L
OFF
OFF
OFF
OFF
Output
OUT6
OUT7
OFF
L
H
L
OFF
H
L
L
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OUT8
OFF
L
H
L
OFF
OFF
OFF
OFF
Mode
Standby mode
OUT5 → OUT6
OUT6 → OUT5
Brake mode
Standby mode
OUT7 → OUT8
OUT8 → OUT7
Brake mode
Standby mode
Standby mode
Standby mode
Standby mode
Standby mode
Standby mode
Standby mode
Standby mode
No.A1626-20/28