参数资料
型号: TCA3727G
厂商: INFINEON TECHNOLOGIES AG
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1 A, PDSO24
封装: PLASTIC, DSO-24
文件页数: 23/29页
文件大小: 604K
代理商: TCA3727G
Data Sheet
3
Rev. 2.0, 2004-10-01
TCA 3727
Figure 2
Pin Configuration TCA 3727 G (top view)
Table 1
Pin Definitions and Functions
Pin No.
Function
1, 2, 19, 20
(1, 2, 23, 24)1)
Digital control inputs IX0, IX1 for the magnitude of the current of the
particular phase. See Table 2.
3
Input Phase 1; controls the current through phase winding 1. On
H-potential the phase current flows from Q11 to Q12, on L-potential in
the reverse direction.
5, 6, 15, 16
(5, 6, 7, 8, 17,
18, 19, 20)1)
Ground; all pins are connected internally.
4
Oscillator; works at approx. 25 kHz if this pin is wired to ground
across 2.2 nF.
Resistor
R
1 for sensing the current in phase 1.
7, 10
(9, 12)1)
Push-pull outputs Q11, Q12 for phase 1 with integrated free-
wheeling diodes.
Q12
Q22
Q21
GND
OSC
Phase 1
Phase 2
11
Ι
R
1
IEP00898
10
Ι
GND
Q11
V
S
++
L
V
2
R
Inhibit
Ι
20
Ι
21
GND
24
1
23
2
22
3
21
4
20
5
19
6
18
7
17
8
16
9
15
10
14
11
13
12
GND
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