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參數(shù)資料
| 型號： | ZXCT1012DAATA |
| 廠商： | Diodes Inc |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 136K |
| 描述： | IC CURRENT MONITOR 2.5% 5TDFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 電流監(jiān)控器 |
| 檢測方法： | 高端 |
| 精確度： | ±2.5% |
| 輸入電壓： | 2.5 V ~ 20 V |
| 電流 - 輸出： | 2mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 5-TDFN |
| 供應(yīng)商設(shè)備封裝： | 5-TDFN（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1478 (CN2011-ZH PDF) |
| 其它名稱： | ZXCT1012DAADKR ZXCT1012DAADKR-ND |
ZXCT1012
REDUCED HEIGHT MICRO-POWER CURRENT MONITOR
ZXCT1012
Document number: DS33444 Rev. 2 - 2
6 of 9
www.diodes.com
September 2011
?Diodes Incorporated
Applications Information (cont.)
The following lines describe how to scale a load current to an output voltage.
V
SENSE
= R
SENSE
* I
LOAD
equation (1)
I
OUT
= 10mA/V x V
SENSE
equation (2)
V
OUT
= I
OUT
x R
OUT
equation (3)
Design example
In the circuit below a 1A current is to be represented by a 100mV output voltage (V
OUT
):
A) To be within recommended values choose the value of R
SENSE
to give:
50mV > V
SENSE
> 200mV at full load.
For example set V
SENSE
= 100mV at 1.0A.
From equation (1)
R
SENSE
= 0.1V/1.0A = 0.1&
B) Now choose R
OUT
to give:
V
OUT
= 100mV, when V
SENSE
= 100mV.
From equation (2)
I
OUT
= 10mA/V x 0.1 = 1mA
Rearranging equation (3) for R
OUT
gives:
R
OUT
= V
OUT
/I
OUT
= 0.1/0.001 = 100&
ZXCT1012
SENSE
V
IN
V
OUT
R
OUT
R
LOAD
SENSE+
SENSE-
OUT
GND
= 0.1 / (0.1 x 0.01) = 100&
Typical Circuit Application
Where R
LOAD
represents any load including DC motors, a charging battery or further circuitry that requires monitoring, R
SENSE
can be selected on specific requirements of accuracy, size and power rating.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZXCT1012DAATC | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Hi-Side Micro Power RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1012ET5TA | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Hi-Side Micro Power RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1020 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:Low offset current output current monitor |
| ZXCT1020E5TA | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 CURRENT MONITOR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1021 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:Low offset high-side current monitor |
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