參數(shù)資料
型號: MLX90215EVA-AAA-106-BU
廠商: Melexis Technologies NV
文件頁數(shù): 39/46頁
文件大?。?/td> 498K
描述: IC SENSOR PROG LINEAR HALL 4SIP
產(chǎn)品目錄繪圖: MLX90215, PTC-04 Series Side
標準包裝: 1,000
傳感范圍: 無限制
類型: 線性 - 可編程
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 6.5mA
電流 - 輸出(最大): 2mA
輸出類型: 模擬,比率
特點: 穩(wěn)壓電壓
工作溫度: -40°C ~ 85°C
封裝/外殼: 4-SIP
供應(yīng)商設(shè)備封裝: 4-SIP
包裝: 散裝
產(chǎn)品目錄頁面: 2792 (CN2011-ZH PDF)
其它名稱: 90215DB106
MLX90215EVA
MLX90215EVA-ND
Section 3 - Applications
3-24
Brushless DC Motor Sensors
The use of Hall Effect Sensors in DC motors eliminates the friction, electrical noise and power loss asso-
ciated with other types of mechanical commutation, such as brushes. Hall ICs provide a long mainte-
nance-free life and offer greater flexibility with respect to direst interface with digital commands.
Figure 26, Brushless DC Motor Sensor
Figure 26, Brushless DC Motor Controller
The US8881 is a brushless DC motor driver that was designed to meet the needs of high volume, low
cost motors which do not require the expensive options needed for servo or other closed loop applica-
tions. The US8881 works with 3 HallIC latches, and provides all motor control via 6 external N-chan-
nel FETs. A complete datasheet for this device is in section 4 of this book.
Figure 26, Brushless DC
Motor Controller
N
N
N
S
S
S
22
&
22
&
22
&
BLDC Motor
Filter
I
SENSE
Resistor
Forward/Reverse
Thermal Switch
R OSC
C
OSC
Speed Adjust
22
&
22
&
V
REF
22
&
0.1?/DIV>
F
1000
?/DIV>
F
V+ = 40 V
Brake
Counter Reset
0.1 ?/DIV>
F
24
23
22
21
20
19
18
17
16
15
14
13
2
3
4
5
6
7
8
9
10
11
12
Supply Voltage
1
Cap Boost "A"
V
REF
 Out
Hall "A" Input
Hall "B" Input
Hall "C" Input
FWD/REV Input
Speed Adjust Input
Oscillator Control
(+)Current Limit (Brake)
Analog Ground
(-)Current Limit (Reset)
Power Ground
 Gate Top "A"
Feedback "A"
 Gate Bottom "A"
Cap Boost "B"
 Gate Top "B"
Feedback "B"
 Gate Bottom "B"
 Gate Top "C"
Feedback "C"
 Gate Bottom "C"
Cap Boost "C"
+
+
+
-
-
-
10 礷
10 礷
10 ?f
UF4002
(3 Places)
V REF
V REF
0.005 ?f
10K&
0.1?/DIV>
F
1000?/DIV>
F
15V
500&
0.1 ?/DIV>
F
20 ?/DIV>
F
1K
1K
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