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參數(shù)資料
| 型號(hào)： | A1185EUA |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches |
| 中文描述： | 超靈敏雙線現(xiàn)場(chǎng)可編程斬波穩(wěn)定單極霍爾效應(yīng)開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 8/14頁(yè) |
| 文件大?。?/td> | 318K |
| 代理商： | A1185EUA |
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8
A1185-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall Effect Switches
A1185 and A1186
Application Information
For additional general application information, visit the Allegro
Web site at www. allegromicro.com.
GND
A118x
VCC
V+
0.01 uF
A
B
B
GND
ECU
Package UA Only
A
B
Maximum separation 5 mm
R
SENSE
C
BYP
Figure 3. Typical application circuit
Typical Application and Programming Circuit
The A118x family of devices MUST be protected by an exter-
nal bypass capacitor, C
BYP
, connected between the supply pin,
VCC, and the ground pin, GND, of the device. C
BYP
reduces
both external noise and the noise generated by the chopper-sta-
bilization function. As shown in figure 3, a 0.01
μ
F capacitor
is typical. (For programming the device, a 0.1
μ
F capacitor is
recommended for proper fuse blowing.)
Installation of C
BYP
must ensure that the traces that connect
it to the A118x pins are no greater than 5 mm in length. (For
programming the device, the capacitor may be further away from
the device, including mounting on the board used for program-
ming the device.)
C
BYP
serves only to protect the A118x internal circuitry. All
high-frequency interferences conducted along the supply lines
are passed directly to the load through C
BYP
. As a result, the
load ECU (electronic control unit) must have sufficient protec-
tion, other than C
BYP
, installed in parallel with the A118x.
A series resistor on the supply side, R
S
(not shown), in combina-
tion with C
BYP
, creates a filter for EMI pulses.
When determining the minimum V
CC
requirement of the A118x
device, the voltage drops across R
S
and the ECU sense resistor,
R
SENSE
, must be taken into consideration. The typical value for
R
SENSE
is approximately 100
Ω
. (All programming, including
code and lock-bit programming, should be done with direct
connections to VCC and GND, with the use of a 0.1uF bypass
capacitor. Programming across the series resistor or sense resis-
tor may not allow enough energy to properly blow the fuses
in the device, as required for proper programming. The result
would be incorrect switchpoints.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| A1185EUA-T | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1185LLHLT | 功能描述:IC SWITCH HALL EFFECT UNI SOT-23 RoHS:否 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1185LLHLT-T | 功能描述:IC SWITCH HALL EFFECT UNI SOT-23 RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1185LUA | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:否 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1185LUA-T | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
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