參數(shù)資料
型號(hào)： L6228N
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 2.8 A, PDIP24
封裝： POWER, DIP-24
文件頁(yè)數(shù)： 11/26頁(yè)
文件大?。?/td> 451K
代理商： L6228N
19/26
L6228
APPLICATION INFORMATION
A typical Bipolar Stepper Motor Driver application using L6228 is shown in Fig. 23. Typical component values
for the application are shown in Table 2. A high quality ceramic capacitor in the range of 100 to 200 nF should
be placed between the power pins (VSA and VSB) and ground near the L6228 to improve the high frequency
filtering on the power supply and reduce high frequency transients generated by the switching. The capacitor
connected from the EN input to ground sets the shut down time when an over current is detected (see Overcur-
rent Protection). The two current sensing inputs (SENSEA and SENSEB) should be connected to the sensing
resistors with a trace length as short as possible in the layout. The sense resistors should be non-inductive re-
sistors to minimize the di/dt transients across the resistor. To increase noise immunity, unused logic pins (except
EN) are best connected to 5V (High Logic Level) or GND (Low Logic Level) (see pin description). It is recom-
mended to keep Power Ground and Signal Ground separated on PCB.
Table 2. Component Values for Typical Application
Figure 23. Typical Application
C1
100F
D1
1N4148
C2
100nF
D2
1N4148
CA
1nF
RA
39K
CB
1nF
RB
39K
CBOOT
220nF
REN
100K
CP
10nF
RP
100
CEN
5.6nF
RSENSEA
0.6
CREF
68nF
RSENSEB
0.6
M
OUT1A
VREFA
VREFB
CLOCK
1
5
21
18
19
8
16
OUT2A
GND
RCA
OUT2B
OUT1B
VSA
POWER
GROUND
SIGNAL
GROUND
+
-
VS
8-52VDC
24
VSB
VCP
VBOOT
CP
CBOOT
RP
D2
D1
C1
C2
SENSEA
RSENSEA
20
CW/CCW
CLOCK
CW/CCW
2
6
7
11
RESET
EN
CEN
REN
RESET
ENABLE
VREF = 0-1V
23
HALF/FULL
12
CONTROL
FAST/SLOW DECAY
13
14
4
17
3
15
22
SENSEB
RSENSEB
CA
RA
10
CREF
RCB
9
CB
RB
D01IN1341
相關(guān)PDF資料
PDF描述
L6229QTR BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32
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L6230PD BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO36
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相關(guān)代理商/技術(shù)參數(shù)
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