參數(shù)資料
型號(hào): ML4425
廠商: Fairchild Semiconductor Corporation
英文描述: Sensorless BLDC Motor Controller
中文描述: 傳感器無刷直流電機(jī)控制器
文件頁數(shù): 5/16頁
文件大?。?/td> 167K
代理商: ML4425
PRODUCT SPECIFICATION
ML4425
REV. 1.0.2 7/2/01
5
Notes:
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
2. For explanation of states, see Figure 4 and Table 1.
3. The BRAKE and UV FAULT pins each have an internal 4k
resistor to the internal reference.
Logic Outputs (VCO/TACH, UV FAULT) (Note 3)
VCO/TACH Output High Voltage I
OUT
=
100μA
2.2
V
VCO/TACH Output Low Voltage
I
OUT
I
OUT
= 400μA
0.6
V
UV FAULT Output High Voltage
=
10μA
C Suffix
3.4
4.5
5.4
V
I Suffix
3.2
5.6
V
UV FAULT Output Low Voltage
Back-EMF Sampler
I
OUT
= 400μA
0.6
V
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
V
PHB
RT
DD
= 5V,
/3
= V
C Suffix
30
90
μA
I Suffix
27
90
μA
State A, C
RT
= 5V, V
PHB
= V
DD
/2
15
15
μA
State A, C
V
PHB
RT
= 5V,
/3
= 2
V
DD
C Suffix
90
30
μA
I Suffix
90
27
μA
Output Drivers
High Side Driver Output Low
Current
V
HX
= 2
V
0.5
1.2
mA
High Side Driver Output High
Voltage
I
HX
= –10μ
A
V
CC
– 1.3
V
Low Side Driver Output Low
Voltage
I
LX
= 1
mA
0.2
0.7
V
Low Side Driver Output High
Voltage
V(I
SENSE
) = 0V
C Suffix V
DD
2.2
I Suffix
V
DD
2.9
V
V
Phase C Cross-conduction
Lockout Threshold
V
DD
3.0
V
Supply
I
DD
V
DD
Current
UVLO Threshold
32
50
mA
C Suffix
8.8
9.5
10.2
V
I Suffix
8.6
10.3
V
UVLO Hysteresis
150
mV
Electrical Characteristics
(continued)
Unless otherwise specified, V
DD
= 12V ± 10%, R
SENSE
= 1
, C
VCO
= 10nF, C
IOS
= 100pF, R
REF
= 137k
,
T
A
= Operating Temperature Range (Notes 1, 2)
.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
相關(guān)PDF資料
PDF描述
ML4425CP Sensorless BLDC Motor Controller
ML4425CS Sensorless BLDC Motor Controller
ML4425IP Sensorless BLDC Motor Controller
ML4425IS Sensorless BLDC Motor Controller
ML4426 Bi-directional Sensorless BLDC Motor Controller(雙向無傳感無刷直流電機(jī)控制器)
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