參數(shù)資料
型號: L6258E
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO36
封裝: ROHS COMPLIANT, SOP-36
文件頁數(shù): 3/31頁
文件大小: 360K
代理商: L6258E
L6258E
Functional description
Doc ID 8688 Rev 9
11/31
2.1
Reference voltage
The voltage applied to VREF pin is the reference for the internal DAC and, together with the
sense resistor value, defines the maximum current into the motor winding according to the
following relation:
where Rs = sense resistor value
Figure 4.
Power bridge configuration
I
MAX
0.5
V
REF
R
S
------------------------------
1
FI
-----
V
REF
R
S
--------------
==
LOAD
OUT_A
OUT_B
T1
T3
T2
T4
IN_A
IN_B
VS
0
OUTA
OUTB
Iload
0
OUTA
OUTB
Iload
0
OUTA
OUTB
Iload
Fig. 1A
Fig. 1B
Fig. 1C
D97IN624
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