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参数资料
| 型号： | PC33887FC/R2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 6 A, PQCC44 |
| 封装： | PLASTIC, QFN-44 |
| 文件页数： | 7/24页 |
| 文件大小： | 412K |
| 代理商： | PC33887FC/R2 |
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33887
15
Table 1. Truth Table
The tristate conditions and the fault status are reset using D1 or D2. The truth table uses the following notations: L = Low, H =
High, X = High or Low, and Z = High impedance (all output power transistors are switched off).
Device State
EN
Input Conditions
Status
Outputs
D1
D2
IN1
IN2
FS
OUT1
OUT2
Forward
H
L
H
L
H
L
Reverse
H
LHLH
H
L
H
Free Wheeling Low
H
L
H
L
H
L
Free Wheeling High
H
L
H
Disable 1 (D1)
H
X
L
Z
Disable 2 (D2)H
X
L
X
L
Z
IN1 Disconnected
H
L
H
Z
X
H
X
IN2 Disconnected
H
L
H
X
Z
H
X
H
D1 Disconnected
H
Z
X
L
Z
D2 Disconnected
H
X
Z
X
L
Z
Undervoltage (Note 26)
H
XXXX
L
Z
Overtemperature (Note 27)
H
XXXX
L
Z
Overcurrent (Note 27)
H
XXXX
L
Z
Sleep Mode EN
L
XXXX
H
Z
EN Disconnected
Z
XXXX
H
Z
Notes
26.
In the case of an undervoltage condition, the outputs tristate and the fault status is SET logic LOW. Upon undervoltage recovery,
fault status is reset automatically or automatically cleared and the outputs are restored to their original operating condition.
27.
When an overcurrent or overtemperature condition is detected, the power outputs are tristate latched-OFF independent of the input
signals and the fault status flag is SET logic LOW.
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