Datasheet ACS37800 (Allegro) - 5
| Manufacturer | Allegro |
| Description | Isolated, Digital Output, Power Monitoring IC with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging |
| Pages / Page | 41 / 5 — Isolated, Digital Output, Power Monitoring IC. ACS37800. with … |
| File Format / Size | PDF / 3.5 Mb |
| Document Language | English |
Isolated, Digital Output, Power Monitoring IC. ACS37800. with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging
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Isolated, Digital Output, Power Monitoring IC ACS37800 with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging Table of Contents
Features and Benefits ... 1 Device EEPROM Settings .. 19 Description .. 1 Voltage Measurement .. 19 Package ... 1 Current Measurement .. 20 Typical Application .. 1 Configuring the Device for DC Applications ... 21 Selection Guide ... 2 Device EEPROM Settings .. 21 Absolute Maximum Ratings ... 3 Voltage Measurement .. 21 Isolation Characteristics .. 3 Current Measurement .. 21 ESD Ratings .. 3 RMS and Power Accuracy vs. Operation Point ... 21 Thermal Characteristics .. 3 RMS and Power Output Error vs. Applied Input ... 21 Functional Block Diagram ... 4 15B5 IRMS and Power Error ... 22 Pinout Diagram and Terminal List ... 4 30B3 IRMS and Power Error ... 22 Electrical Characteristics ... 6 90B3 IRMS and Power Error ... 22 15B5 Performance Characteristics ... 8 Digital Communication .. 23 30B3 Performance Characteristics ... 9 Communication Interfaces .. 23 90B3 Performance Characteristics ... 10 SPI .. 23 I2C Operating Characteristics ...11 Registers and EEPROM .. 23 SPI Operating Characteristics .. 12 EEPROM Error Checking and Correction (ECC) ... 25 Theory of Operation ... 13 I2C Slave Adressing .. 25 Introduction .. 13 EEPROM/Shadow Memory Map .. 26 Voltage and Current Measurements .. 13 Register Details – EEPROM ... 27 Overcurrent Measurement Path .. 13 Volatile Memory Map ... 32 Trim Methods ... 13 Register Details – Volatile .. 33 Power Calculations ... 14 Application Information ... 38 Operational Block Diagram .. 15 Thermal Rise vs. Primary Current ... 38 Configurable Settings .. 16 ASEK37800 Evaluation Board Layout .. 38 Configuring the DIO Pins (I2C Devices) .. 16 Recommended PCB Layout .. 39 Configuring the Device for AC Applications .. 19 Package Outline Drawing .. 40 5 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 Table of Contents
Features and Benefits ... 1 Device EEPROM Settings .. 19 Description .. 1 Voltage Measurement .. 19 Package ... 1 Current Measurement .. 20 Typical Application .. 1 Configuring the Device for DC Applications ... 21 Selection Guide ... 2 Device EEPROM Settings .. 21 Absolute Maximum Ratings ... 3 Voltage Measurement .. 21 Isolation Characteristics .. 3 Current Measurement .. 21 ESD Ratings .. 3 RMS and Power Accuracy vs. Operation Point ... 21 Thermal Characteristics .. 3 RMS and Power Output Error vs. Applied Input ... 21 Functional Block Diagram ... 4 15B5 IRMS and Power Error ... 22 Pinout Diagram and Terminal List ... 4 30B3 IRMS and Power Error ... 22 Electrical Characteristics ... 6 90B3 IRMS and Power Error ... 22 15B5 Performance Characteristics ... 8 Digital Communication .. 23 30B3 Performance Characteristics ... 9 Communication Interfaces .. 23 90B3 Performance Characteristics ... 10 SPI .. 23 I2C Operating Characteristics ...11 Registers and EEPROM .. 23 SPI Operating Characteristics .. 12 EEPROM Error Checking and Correction (ECC) ... 25 Theory of Operation ... 13 I2C Slave Adressing .. 25 Introduction .. 13 EEPROM/Shadow Memory Map .. 26 Voltage and Current Measurements .. 13 Register Details – EEPROM ... 27 Overcurrent Measurement Path .. 13 Volatile Memory Map ... 32 Trim Methods ... 13 Register Details – Volatile .. 33 Power Calculations ... 14 Application Information ... 38 Operational Block Diagram .. 15 Thermal Rise vs. Primary Current ... 38 Configurable Settings .. 16 ASEK37800 Evaluation Board Layout .. 38 Configuring the DIO Pins (I2C Devices) .. 16 Recommended PCB Layout .. 39 Configuring the Device for AC Applications .. 19 Package Outline Drawing .. 40 5 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
