參數(shù)資料
型號: L6470HTR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封裝: ROHS COMPLIANT, HTSSOP-28
文件頁數(shù): 42/64頁
文件大小: 814K
代理商: L6470HTR
L6470
Programming manual
Doc ID 16737 Rev 2
47/64
The OC_SD bit sets if an overcurrent event causes or not the bridges to turn-off; the OCD
flag in status register is forced low anyway:
The POW_SR bits set the slew rate value of power bridge output:
The EN_VSCOMP bit sets if the motor supply voltage compensation is enabled or not.
The F_PWM_INT bits set the integer division factor of PWM frequency generation.
Table 24.
Overcurrent event
OC_SD
Overcurrent event
1
Bridges shut down
0
Bridges do not shut down
Table 25.
Programmable power bridge output slew-rate values
POW_SR
[1..0]
Output Slew-rate (1)
[V/s]
1.
See SRout_r and SRout_f parameters in the electrical characteristics Table 4 for details.
0
180
0
1
180
1
0
290
1
530
Table 26.
Motor supply voltage compensation enable
EN_VSCOMP
Motor supply voltage compensation
0
Disabled
1
Enabled
Table 27.
PWM frequency: integer division factor
F_PWM_INT
[2..0]
Integer division factor
000
1
001
2
010
3
011
4
100
5
101
6
110
7
111
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