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參數資料
| 型號： | ML4426 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Bi-directional Sensorless BLDC Motor Controller(雙向無傳感無刷直流電機控制器) |
| 中文描述： | 雙向傳感器無刷直流電機控制器（雙向無傳感無刷直流電機控制器） |
| 文件頁數： | 5/16頁 |
| 文件大?。?/td> | 1089K |
| 代理商： | ML4426 |
ML4426
REV. 1.0 10/10/2000
5
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (
BRAKE
, F/
R
) (Note 3)
V
IH
Input High Voltage
2
V
V
IL
Input Low Voltage
0.8
V
I
IH
Input High Current
V
IH
= 2.4V
2.4
mA
I
IL
Input Low Current
V
IL
= 0.4V
2.9
mA
LOGIC OUTPUTS (VCO/TACH,
UV FAULT
) (Note 3)
VCO/TACH Output High Voltage
I
OUT
= –100
μ
A
2.2
V
VCO/TACH Output Low Voltage
I
OUT
= 400
μ
A
0.6
V
UV FAULT Output High Voltage
I
OUT
= –10
μ
A
C Suffix
3.4
4.5
5.4
V
I Suffix
3.2
5.6
V
UV FAULT
Output Low Voltage
I
OUT
= 400
μ
A
0.6
V
BACK-EMF SAMPLER
SPEED FB Align Mode Voltage
125
250
mV
SPEED FB Ramp Mode Current
C Suffix
500
720
nA
I Suffix
500
750
nA
SPEED FB Run Mode Current
State A, C
RT
= 5V,
C Suffix
30
90
μ
A
V
PHB
= V
DD
/3
I Suffix
27
90
μ
A
State A, C
RT
= 5V, V
PHB
= V
DD
/2
–15
15
μ
A
State A, C
RT
= 5V,
C Suffix
–90
–30
μ
A
V
PHB
= 2
V
DD
/3
I Suffix
–90
–27
μ
A
OUTPUT DRIVERS
High Side Driver Output Low Current
V
HX
= 2V
0.5
1.2
mA
High Side Driver Output High Voltage
I
HX
= –10
μ
A
V
CC
– 1.3
V
Low Side Driver Output Low Voltage
I
LX
= 1mA
0.2
0.7
V
Low Side Driver Output High Voltage
V(I
SENSE
) = 0V
C Suffix V
DD
– 2.2
V
I Suffix V
DD
– 2.9
V
Phase C Cross-conduction Lockout Threshold
V
DD
– 3.0
V
SUPPLY
I
DD
V
DD
Current
32
50
mA
UVLO Threshold
C Suffix
8.8
9.5
10.2
V
I Suffix
8.6
10.3
V
UVLO Hysteresis
150
mV
Note 1:
Note 2:
Note 3:
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
For explanation of states, see Figure 4 and Table 1.
The
BRAKE
and
UV FAULT
pins each have an internal 4k
resistor to the internal reference.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ML4426 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4426CH | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
| ML4426CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
| ML4426CS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4426IH | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
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