參數(shù)資料
型號(hào)： MC1231A
廠商： Electronic Theatre Controls, Inc.
英文描述： Advanced Brushless Motor Control Chipset
中文描述： 先進(jìn)的無刷電機(jī)控制芯片組
文件頁數(shù)： 5/70頁
文件大?。?/td> 474K
代理商： MC1231A
5
DC Electrical Characteristics
(Vcc and Ta per operating ratings, Fclk = 25.0 Mhz)
Symbol
Vcc
Idd
Parameter
Supply Voltage
Supply Current
Mn.
4.75
Max.
5.25
100
Units
V
mA
Conditions
open outputs
Input Voltages
Vih
Vil
Vihclk
Logic 1 input voltage
Logic 0 input voltage
Logic 1 voltage for clock pin
(ClkIn)
Logic 1 voltage for reset pin
(reset)
2.0
-0.3
3.0
Vcc + 0.3
0.8
Vcc+0.3
V
V
V
Vihreset
4.0
Vcc+0.3
V
Output Voltages
Voh
Logic 1 Output Voltage
2.4
V
@CP Io = 300 uA
@I/O Io = 4 mA
@CP Io = 2 mA
@I/O Io = 4 mA
0 < Vout < Vcc
0 < Vi < Vcc
0 < Vi < Vcc
Vol
Logic 0 Output Voltage
0.33
V
Iout
Iin
Iinclk
Tri-State output leakage current
Input current
Input current ClkIn
-20
-50
-20
20
50
20
uA
uA
uA
AC Electrical Characteristics
(see reference timng diagrams)
(Vcc and Ta per operating ratings; Fclk = 25.0 Mhz)
(~ character indicates active low signal)
Timing Interval
Encoder and Index Pulse Timing
Motor-Phase Pulse Width
Dwell Time Per State
Index Pulse Setup and Hold
(relative to Quad A and Quad B low)
Reset Timing
Stable Power to Reset
Reset Low Pulse Width
Clock Timing
Clock Frequency (Fclk)
Clock Pulse Width
Clock Period
T#
Mn.
Max.
Units
T1
T2
T3
1.6
0.8
0
uS
uS
uS
0.25
1.0
Sec
uS
6.7
19.5
39
25.6
75 (note 2)
149 (note 2)
Mhz
nS
nS
T4
T5
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相關(guān)代理商/技術(shù)參數(shù)
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