Datasheet ACS37800 (Allegro) - 4
| Fabricante | Allegro |
| Descripción | Isolated, Digital Output, Power Monitoring IC with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging |
| Páginas / Página | 41 / 4 — Isolated, Digital Output, Power Monitoring IC. ACS37800. with … |
| Formato / tamaño de archivo | PDF / 3.5 Mb |
| Idioma del documento | Inglés |
Isolated, Digital Output, Power Monitoring IC. ACS37800. with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging
Línea de modelo para esta hoja de datos
Versión de texto del documento
link to page 4
Isolated, Digital Output, Power Monitoring IC ACS37800 with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging FUNCTIONAL BLOCK DIAGRAM
VCC
DIGITAL SYSTEM
Bandgap Reference Temperature SDA / MISO To All Temperature I2C/SPI Compensation Sensor Subcircuits Communication Logic SCL / SCLK EEPROM + DIO_0 / MOSI VINP V Charge Pump ADC DIO_1 / CS VINN I ADC IP+ Metrology Engine Fault Logic Hall Sensor Array GND IP–
PINOUT DIAGRAM AND TERMINAL LIST Terminal List Table
IP+ 1 16 VINP
Description Number Name
IP+ 2 15 VINN
I2C SPI
IP+ 3 14 GND 1, 2, 3, 4 IP+ Terminals for current being sensed; fused internally IP+ 4 13 VCC 5, 6, 7, 8 IP- Terminals for current being sensed; fused internally IP- 5 12 SDA / MISO 9 DIO_1 / CS Digital I/O 1 Chip Select (CS) IP- 6 11 SCL / SCLK IP- 10 DIO_0 / MOSI Digital I/O 0 MOSI 7 10 DIO_0 / MOSI IP- 8 9 DIO_1 / CS 11 SCL / SCLK SCL SCLK 12 SDA / MISO SDA MISO
Pinout Diagram
13 VCC Device power supply terminal 14 GND Device ground terminal 15 VINN Negative input voltage (always connect to GND) 16 VINP Positive input voltage 4 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Document Outline Features and Benefits Description Package Typical Application Selection Guide Absolute Maximum Ratings Isolation Characteristics ESD Ratings Thermal Characteristics Functional Block Diagram Pinout Diagram and Terminal List Electrical Characteristics 15B5 Performance Characteristics 30B3 Performance Characteristics 90B3 Performance Characteristics I2C Operating Characteristics SPI Operating Characteristics Theory of Operation Introduction Voltage and Current Measurements Overcurrent Measurement Path Trim Methods Power Calculations Operational Block Diagram Configurable Settings Configuring the DIO Pins (I2C Devices) Configuring the Device for AC Applications Device EEPROM Settings Voltage Measurement Current Measurement Configuring the Device for DC Applications Device EEPROM Settings Voltage Measurement Current Measurement RMS and Power Accuracy vs. Operation Point RMS and Power Output Error vs. Applied Input 15B5 IRMS and Power Error 30B3 IRMS and Power Error 90B3 IRMS and Power Error Digital Communication Communication Interfaces SPI Registers and EEPROM EEPROM Error Checking and Correction (ECC) I2C Slave Adressing EEPROM/Shadow Memory Map Register Details – EEPROM Volatile Memory Map Register Details - Volatile Application Information Thermal Rise vs. Primary Current ASEK37800 Evaluation Board Layout Recommended PCB Layout Package Outline Drawing
Isolated, Digital Output, Power Monitoring IC ACS37800 with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging FUNCTIONAL BLOCK DIAGRAM
VCC
DIGITAL SYSTEM
Bandgap Reference Temperature SDA / MISO To All Temperature I2C/SPI Compensation Sensor Subcircuits Communication Logic SCL / SCLK EEPROM + DIO_0 / MOSI VINP V Charge Pump ADC DIO_1 / CS VINN I ADC IP+ Metrology Engine Fault Logic Hall Sensor Array GND IP–
PINOUT DIAGRAM AND TERMINAL LIST Terminal List Table
IP+ 1 16 VINP
Description Number Name
IP+ 2 15 VINN
I2C SPI
IP+ 3 14 GND 1, 2, 3, 4 IP+ Terminals for current being sensed; fused internally IP+ 4 13 VCC 5, 6, 7, 8 IP- Terminals for current being sensed; fused internally IP- 5 12 SDA / MISO 9 DIO_1 / CS Digital I/O 1 Chip Select (CS) IP- 6 11 SCL / SCLK IP- 10 DIO_0 / MOSI Digital I/O 0 MOSI 7 10 DIO_0 / MOSI IP- 8 9 DIO_1 / CS 11 SCL / SCLK SCL SCLK 12 SDA / MISO SDA MISO
Pinout Diagram
13 VCC Device power supply terminal 14 GND Device ground terminal 15 VINN Negative input voltage (always connect to GND) 16 VINP Positive input voltage 4 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Document Outline Features and Benefits Description Package Typical Application Selection Guide Absolute Maximum Ratings Isolation Characteristics ESD Ratings Thermal Characteristics Functional Block Diagram Pinout Diagram and Terminal List Electrical Characteristics 15B5 Performance Characteristics 30B3 Performance Characteristics 90B3 Performance Characteristics I2C Operating Characteristics SPI Operating Characteristics Theory of Operation Introduction Voltage and Current Measurements Overcurrent Measurement Path Trim Methods Power Calculations Operational Block Diagram Configurable Settings Configuring the DIO Pins (I2C Devices) Configuring the Device for AC Applications Device EEPROM Settings Voltage Measurement Current Measurement Configuring the Device for DC Applications Device EEPROM Settings Voltage Measurement Current Measurement RMS and Power Accuracy vs. Operation Point RMS and Power Output Error vs. Applied Input 15B5 IRMS and Power Error 30B3 IRMS and Power Error 90B3 IRMS and Power Error Digital Communication Communication Interfaces SPI Registers and EEPROM EEPROM Error Checking and Correction (ECC) I2C Slave Adressing EEPROM/Shadow Memory Map Register Details – EEPROM Volatile Memory Map Register Details - Volatile Application Information Thermal Rise vs. Primary Current ASEK37800 Evaluation Board Layout Recommended PCB Layout Package Outline Drawing