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參數(shù)資料
| 型號： | PC33926PNBR2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQCC32 |
| 封裝： | 8 X 8 MM, 2.10 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MO-251AADDB-1, QFN-32 |
| 文件頁數(shù)： | 8/25頁 |
| 文件大小： | 778K |
| 代理商： | PC33926PNBR2 |
Analog Integrated Circuit Device Data
16
Freescale Semiconductor
33926
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
LOGIC COMMANDS AND REGISTERS
Figure 12. 33926 Power Stage Operation
Table 5. Truth Table
The tri-state conditions and the status flag 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
Status
Outputs
EN
D1
D2
IN1
IN2
SF
OUT1
OUT2
Forward
H
L
H
L
H
L
Reverse
H
L
H
L
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 Lockout (30)
H
X
L
Z
Overtemperature (31)
H
X
L
Z
Short Circuit (31)
H
X
L
Z
Sleep Mode EN
L
X
H
Z
EN Disconnected
Z
X
H
Z
Notes
30.
In the event of an undervoltage condition, the outputs tri-state and status flag is SET logic LOW. Upon undervoltage 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 overtemperature 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, D2, EN, or VPWR.
OUT1
OUT2
PGND
VPWR
VPW R
PGND
LOAD
Load
Current
Forward
OFF
ON
OFF
OUT1
OUT2
PGND
OFF
ON
OFF
VPWR
PGND
LOAD
Load
Current
Reverse
OUT1
OUT2
PGND
VPWR
PGND
LOAD
Load
Current
High-Side Recirculation
(Forward)
ON
OFF
ON
OFF
OUT1
OUT2
PGND
VPWR
PGND
LOAD
Load
Current
Low-Side Recirculation
(Forward)
ON
OFF
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