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參數(shù)資料
| 型號： | Si9979 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | 3-Phase Brushless DC Motor Controller(3相位無電刷直流電機驅(qū)動器) |
| 中文描述： | 三相無刷直流電動機控制器（3相位無電刷直流電機驅(qū)動器） |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 280K |
| 代理商： | SI9979 |
Si9979
Vishay Siliconix
FaxBack 408-970-5600, request 70012
www.siliconix.com
S-60752-Rev. D, 05-Apr-99
3
Notes
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
c. The reference voltage is not available for external use.
d. V
CAP
= (V+) + (V
DD
)
Notes:
L. Any valid sensor combination
X. Don’t care
Protection
Low-Side Undervoltage Lockout
UVLL
12.2
V
Low-Side Hysteresis
V
H
0.8
High-Side Undervoltage Lockout
Current Limit
UVLH
S
A, B, C
= 0 V
V
DD
- 3.3
Comparator Input Bias Current
I
IB
-5
μ
A
Comparator Threshold Voltage
V
TH
T
A
= 0 to 70
°
C
T
A
= -40 to 85
°
C
C Suffix
90
100
110
mV
D Suffix
85
100
125
Common Mode Voltage
V
CM
0
1
V
One Shot Pulse Width
t
p
R
T
= 10 k, C
T
= 0.001
μ
F
R
T
= 10 k, C
T
= 0.01
μ
F
8
10
12
μ
s
80
100
120
SPECIFICATIONS
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
V+ = 20 to 40 V, I
DD
= 0 mA
Limits
-40
°
C to 85
°
C
Units
Min
a
Typ
b
Max
a
COMMUTATION TRUTH TABLE
Inputs
Outputs
Conditions
Sensors
(60°Spacing)
Sensors
(60°Spacing)
EN
F/R
BRK
I
S
+
Top Drive
Bottom Drive
FAULT
IN
A
IN
B
IN
C
IN
A
IN
B
IN
C
GT
A
GT
B
GT
C
GB
A
GB
B
GB
C
0
0
0
1
0
1
1
1
0
0
1
0
0
0
1
0
1
1
0
0
1
0
0
1
1
0
0
1
0
0
0
0
1
1
1
1
0
1
1
0
1
1
0
0
0
1
0
0
0
1
1
1
1
1
0
1
0
1
1
0
0
0
1
0
1
0
0
1
0
1
1
0
1
1
1
1
0
0
0
0
1
1
0
0
1
0
0
1
0
0
1
1
1
0
0
0
0
1
0
1
0
1
0
0
0
1
0
1
1
0
0
0
0
1
0
1
0
0
1
1
0
0
1
0
0
1
0
0
0
0
0
1
1
0
0
1
1
1
0
1
1
0
1
0
0
0
0
0
1
0
1
0
1
1
1
1
0
1
0
1
0
0
0
1
0
0
0
1
0
1
0
1
1
0
1
1
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
1
1
0
0
0
0
1
0
0
0
1
1
X
X
X
X
X
X
0
X
0
X
0
0
0
0
0
0
0
Disable
X
X
X
X
X
X
0
X
1
X
0
0
0
1
1
1
0
Power Down
L
L
L
L
L
L
1
X
1
0
0
0
0
1
1
1
1
Brake
L
L
L
L
L
L
1
X
1
1
0
0
0
1
1
1
0
Over I in BRK
L
L
L
L
L
L
1
X
0
1
0
0
0
0
0
0
0
Over I
1
0
1
1
1
1
1
X
0
X
0
0
0
0
0
0
0
1
0
1
1
1
1
1
X
1
X
0
0
0
1
1
1
0
0
1
0
0
0
0
1
X
0
X
0
0
0
0
0
0
0
0
1
0
0
0
0
1
X
1
X
0
0
0
1
1
1
0
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| SI9979_04 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:3-Phase Brushless DC Motor Controller |
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