參數(shù)資料
型號: MC33886VWR2
廠商: Motorola, Inc.
英文描述: 5.0 A H BRIDGE
中文描述: 5.0阿橋
文件頁數(shù): 14/20頁
文件大小: 637K
代理商: MC33886VWR2
33886
14
Go to: www.freescale.com
Table 1. Truth Table
The tri-state 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
Input Conditions
Fault Status
Flag
Output States
D1
D2
IN1
IN2
FS
OUT1
OUT2
Forward
L
H
H
L
H
H
L
Reverse
L
H
L
H
H
L
H
Freewheeling Low
L
H
L
L
H
L
L
Freewheeling High
L
H
H
H
H
H
H
Disable 1 (D1)
H
X
X
X
L
Z
Z
Disable 2 (D2)
X
L
X
X
L
Z
Z
IN1 Disconnected
L
H
Z
X
H
H
X
IN2 Disconnected
L
H
X
Z
H
X
H
D1 Disconnected
Z
X
X
X
L
Z
Z
D2 Disconnected
X
Z
X
X
L
Z
Z
Undervoltage (Note 27)
X
X
X
X
L
Z
Z
Overtemperature (Note 28)
X
X
X
X
L
Z
Z
Short Circuit (Note 28)
X
X
X
X
L
Z
Z
Notes
27.
In the case of an undervoltage condition, the outputs tri-state 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.
When a short circuit or overtemperature condition is detected, the power outputs are tri-state latched-OFF independent of the input signals
and the fault status flag is set logic Low.
28.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
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