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参数资料
| 型号： | US1881LUA-AAA-000-BU |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 39/46页 |
| 文件大小： | 498K |
| 描述： | IC LATCH CMOS MP TO-92UA |
| 产品目录绘图： | UA-92 Series Side |
| 标准包装： | 1,000 |
| 传感范围： | 9.5mT 跳闸，-9.5mT 释放 |
| 类型： | 双极卡锁 |
| 电源电压： | 3.5 V ~ 24 V |
| 电流 - 电源： | 5mA |
| 电流 - 输出（最大）： | 50mA |
| 输出类型： | 数字式，开漏极 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | TO-226-3，TO-92-3 短体 |
| 供应商设备封装： | TO-92UA |
| 包装： | 散装 |
| 产品目录页面： | 2792 (CN2011-ZH PDF) |
| 其它名称： | US1881LUA US1881LUA-ND |
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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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| US18-PA-5-N03-IH | 制造商:IDEC CORPORATION 功能描述:95B040020 Sensor Ultrasonic |
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