参数资料
型号: TLE7209R
厂商: INFINEON TECHNOLOGIES AG
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, PDSO20
封装: PLASTIC, SOP-20
文件页数: 27/31页
文件大小: 484K
代理商: TLE7209R
TLE 7209R
Circuit Description
Final Datasheet
5
V2.5, 2004-may-25
2
Circuit Description
2.1
Control Inputs
The bridge is controlled by the Inputs IN1, IN2, DIS and EN as shown in Table 2. The
outputs OUT1 and OUT2 are set to High or Low by the parallel inputs IN1 and IN2,
respectively. In addition, the outputs can be disabled (set to tristate) by the Disable and
Enable inputs DIS and EN.
Inputs IN1, IN2 and DIS have an internal pull-up. Input EN has an internal pull-down.
Table 2
Functional Truth Table
Pos.
DIS EN
IN1 IN2 OUT1
OUT2 SF1)
1) If Mode “Status-Flag” is selected (see Chapter 2.4)
SPI2)
DIA_REG
2) If Mode “SPI-Diagnosis” is selected (see Chapter 2.4)
1. Forward
L
H
L
H
L
H
see
2. Reverse
L
HL
H
3. Free-wheeling low
L
H
L
H
4. Free-wheeling high
L
H
5. Disable
H
X
Z
L
6. Enable
X
L
X
Z
L
7. IN1 disconnected
L
H
Z
X
H
X
H
8. IN2 disconnected
L
H
X
Z
X
H
9. DIS disconnected
Z
X
Z
L
10. EN disconnected
X
Z
X
Z
L
11. Current limit. active
L
H
X
Z
H
12. Under Voltage
X
Z
L
13. Over-temperature
X
Z
L
14. Over-current
X
Z
L
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