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参数资料
| 型号： | MC33931VWR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 14/26页 |
| 文件大小： | 0K |
| 描述： | IC H-BRIDGE THROTTLE CTRL 44HSOP |
| 标准包装： | 750 |
| 类型： | 半桥 |
| 输入类型： | 非反相 |
| 输出数： | 2 |
| 导通状态电阻： | 120 毫欧 |
| 电流 - 峰值输出： | 5A |
| 电源电压： | 5 V ~ 28 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-BSSOP（0.433"，11.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 44-HSOP |
| 包装： | 带卷 (TR) |
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS
LOGIC COMMANDS
Table 5. Truth Table
The tri-state conditions and the status flag are reset using D1 or EN/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/ D2
Input Conditions
D1 IN1
IN2
Status
SF
Outputs
OUT1 OUT2
Forward
Reverse
Freewheeling Low
Freewheeling High
Disable 1 (D1)
IN1 Disconnected
IN2 Disconnected
D1 Disconnected
Under-voltage Lockout (30)
Over-temperature (31)
Short-circuit (31)
Sleep Mode EN/ D2
EN/ D2 Disconnected
H
H
H
H
H
H
H
H
H
H
H
L
Z
L
L
L
L
H
L
L
Z
X
X
X
X
X
H
L
L
H
X
Z
X
X
X
X
X
X
X
L
H
L
H
X
X
Z
X
X
X
X
X
X
H
H
H
H
L
H
H
L
L
L
L
H
H
H
L
L
H
Z
H
X
Z
Z
Z
Z
Z
Z
L
H
L
H
Z
X
H
Z
Z
Z
Z
Z
Z
Notes
30. In the event of an under-voltage condition, the outputs tri-state and status flag is SET logic LOW. Upon under-voltage
recovery, status flag is reset automatically or automatically cleared and the outputs are restored to their original operating
condition.
31. When a short-circuit or over-temperature condition is detected, the power outputs are tri-state latched-OFF independent of
the input signals and the status flag is latched to logic LOW. To reset from this condition requires the toggling of either D1,
EN/ D2 , or V PWR .
V PW R
Forward
Load
Current
V PW R
High-Side Recirculation
(Forward)
VPWR VPWR
V PW R
Reverse
Load
Current
VPW R
Low-Side Recirculation
(Forward)
VPWR VPWR
ON
OUT1
LOAD
OFF
OUT2
ON
OUT1
Load
Current
LOAD
ON
OUT2
OFF
OUT1
LOAD
ON
OUT2
OFF
OUT1
LOAD
OFF
OUT2
OFF
PGND
PGND
ON
OFF
PGND
PGND
OFF
ON
PGND
PGND
OFF
ON
PGND
Load
Current
PGND
ON
Figure 12. 33931 Power Stage Operation
PROTECTION AND DIAGNOSTIC FEATURES
SHORT-CIRCUIT PROTECTION
If an output short-circuit condition is detected, the power
outputs tri-state (latch-OFF) independent of the input (IN1
and IN2) states, and the fault status output flag (SF) is SET
LOW, or if the EN/D2 input changes from logic LOW to logic
HIGH, the output bridge will become operational again and
the fault status flag will be reset (cleared) to a logic HIGH
state.
to logic LOW. If the D1 input changes from logic HIGH to logic
33931
Analog Integrated Circuit Device Data
14
Freescale Semiconductor
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