LV8044LP-MPB-E 查看數據表（PDF） - ON Semiconductor
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LV8044LP-MPB-E Datasheet PDF : 26 Pages
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LV8044LP
Channels 3 and 4 Driver Circuit (Saturated drive/microstep drive)
Driver Mode Setting (D0 = 0, D1 = 1, D2 = 0)
D7 data value
0
1
Drive mode
Saturated drive
Microstep drive
Pin functions
PWM3
STEP2
Notes
Used as the channel 3 PWM input pin
Used as the channels 3 and 4 excitation step input pin
The channels 3 and 4 driver circuit can be switched between the following operating modes by bit D7 in the serial data
(010, ****, D7).
(1) Two saturated mode driver channels
(2) One microstep drive stepping motor driver channel
Microstep Drive Stepping Motor Driver
The basic functionality provided is identical to that of the channels 1 and 2 stepping motor driver. See section 10-2 for
details on the serial data settings.
PWM Saturated Mode Driver
Channel 3 Truth Table (PWM mode: D0 = 1, D1 = 1, D2 = 0)
Input
Output
ST
PWM3
D3
D4
D7
OUT3A
OUT3B
Low
*
*
*
*
OFF
OFF
High
Low
0
0
*
OFF
OFF
High
Low
1
0
*
High
Low
High
Low
0
1
*
Low
High
High
Low
1
1
*
Low
Low
High
High
*
*
0
Low
Low
High
High
*
*
1
OFF
OFF
Operating mode
Standby mode
Output off
CW (forward)
CCW (reverse)
Brake
SLOW DECAY (brake)
FAST DECAY (output off)
Channel 4 Truth Table (PWM mode: D0 = 1, D1 = 1, D2 = 0)
Input
Output
ST
PWM4
D5
D6
D7
OUT4A
OUT4B
Low
*
*
*
*
OFF
OFF
High
Low
0
0
*
OFF
OFF
High
Low
1
0
*
High
Low
High
Low
0
1
*
Low
High
High
Low
1
1
*
Low
Low
High
High
*
*
0
Low
Low
High
High
*
*
1
OFF
OFF
*: Don’t care
Operating mode
Standby mode
Output off
CW (forward)
CCW (reverse)
Brake
SLOW DECAY (brake)
FAST DECAY (output off)
No.A0438-23/26
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