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ACS71020KMABTR-030B3-SPI PDF预览

ACS71020KMABTR-030B3-SPI

更新时间： 2024-01-13 08:49:10
品牌 Logo 应用领域
急速微 - ALLEGRO /
页数 文件大小 规格书
37页 846K
描述
Power Supply Management Circuit,

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ACS71020KMABTR-030B3-SPI 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
风险等级：2.23模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
湿度敏感等级：3峰值回流温度（摄氏度）：NOT SPECIFIED
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

ACS71020KMABTR-030B3-SPI 数据手册

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ACS71020  
Single Phase, Isolated, Power Monitoring IC  
with Voltage Zero Crossing and Overcurrent Detection  
DESCRIPTION  
FEATURES AND BENEFITS  
• Accurate power monitoring for both AC and DC applications  
• UL certification for reinforced isolation up to 517 VRMS in  
a single package  
• Accurate measurements of active, reactive, and apparent  
power, as well as power factor  
• Separate RMS and instantaneous measurements for both  
voltage and current channels  
• 0.85 mΩ primary conductor resistance for low power loss  
and high inrush current withstand capability  
• Dedicated voltage zero crossing pin  
• Overcurrent fault output pin  
• Hall-effect-based current measurement with common-  
mode stray field rejection  
• User-programmable undervoltage and overvoltage thresholds  
for input voltage as well as overcurrent fault thresholds  
• 1 kHz bandwidth  
TheAllegroACS71020 power monitoring IC greatly simplifies  
the addition of power monitoring to many AC or DC powered  
systems.Thesensormaybepoweredfromthesamesupplyasthe  
system’sMCU,eliminatingtheneedformultiplepowersupplies  
and expensive digital isolation ICs. The device’s construction  
includesacopperconductionpaththatgeneratesamagneticfield  
proportional to applied current. The magnetic field is sensed  
differentiallytorejecterrorsintroducedbycommonmodefields.  
Allegro’s Hall-effect-based galvanically isolated current  
sensing technology achieves reinforced isolation ratings in a  
small PCB footprint. These features enable isolated current  
sensing without expensive Rogowski coils, oversized current  
transformers, isolated operational amplifiers, or the power loss  
of shunt resistors.  
The ACS71020 power monitoring IC offers key power  
measurement parameters that can easily be accessed through its  
SPIorI2Cdigitalprotocolinterfaces.Dedicatedandconfigurable  
I/Opinsforvoltagezerocrossing,undervoltageandovervoltage  
reporting, and overcurrent fault detection are also available (in  
I2C mode). The thresholds for overvoltage, undervoltage, and  
overcurrent are all user-programmable via EEPROM.  
• Current-sensing range from 0 to 90 A  
• Options for I2C or SPI digital interface protocols  
• User-programmable EEPROM and integrated charge pump  
• 16-bit voltage and current ADCs  
PACKAGE  
16-pin SOICW (suffix MA)  
TheACS71020isprovidedinasmalllow-profilesurfacemount  
SOIC16 wide-body package, is lead (Pb) free, and is fully  
calibratedpriortoshipmentfromtheAllegrofactory.Customer  
calibration can further increase accuracy in application.  
Not to scale  
REINFORCED  
ISOLATION  
N (L)  
L (N)  
1 MΩ 1 MΩ  
RSENSE  
1 MΩ 1 MΩ  
1
16  
VINP  
VINN  
IP+ ACS71020  
MCU  
TÜV America  
2
3
GND  
15  
14  
13  
12  
11  
10  
9
Certificate Number:  
U8V 14 11 54214 032  
CB 14 11 54214 031  
IP+  
IP+  
IP+  
IP-  
IP-  
IP-  
IP-  
GND  
To User  
4
5
6
7
8
VCC  
VCC  
IP  
SDA / MISO  
SCL / SCLK  
DIO_0 / MOSI  
DIO_1 / CS  
CB Certificate Number:  
US-22334-A2-UL  
Linear  
Regulator  
Single Output  
Isolated Power  
Supply  
(Flyꢀack, etc.)  
Figure 1: Typical Application  
ACS71020-DS, Rev. 1  
MCO-0000459  
September 19, 2018  
1234567...37

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