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ADP1053DC-EVALZ датащи(PDF) 2 Page - Analog Devices |
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ADP1053DC-EVALZ датащи(HTML) 2 Page - Analog Devices |
2 / 84 page ADP1053 Data Sheet Rev. A | Page 2 of 84 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Simplified Typical Application Circuit .......................................... 1 Revision History ............................................................................... 3 Functional Block Diagram .............................................................. 4 Specifications..................................................................................... 5 Absolute Maximum Ratings............................................................ 9 Thermal Resistance ...................................................................... 9 Soldering........................................................................................ 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Application Circuits ....................................................................... 12 Theory of Operation ...................................................................... 14 PWM Outputs (OUT1 to OUT8) ............................................ 14 Frequency Synchronization ...................................................... 16 Voltage Sense............................................................................... 16 Current Sense.............................................................................. 17 SR FETs Reverse Current Protection ....................................... 19 Control Loops and Feedback References ................................ 19 Voltage Setting with Slew Rate.................................................. 19 Digital Filters............................................................................... 20 ACSNS and Input Feedforward................................................ 20 Light Load Mode and Phase Shedding.................................... 21 Power-Good Signals................................................................... 21 Soft Start and Shutdown ............................................................ 21 Synchronous Rectifier (SR) Soft Start...................................... 24 Volt-Second Balance and Current Balance ............................. 24 Power Monitoring and Flags ......................................................... 25 Monitoring Functions................................................................ 25 Voltage Readings ........................................................................ 25 Current Readings........................................................................ 25 Temperature Readings (RTD1 and RTD2 Pins)..................... 25 Temperature Linearization Scheme ......................................... 26 Channel A and Channel B Duty Cycle Readings ................... 27 Flags.............................................................................................. 27 Housekeeping Flags.................................................................... 27 Overvoltage Protection (OVP) Flags ....................................... 27 Undervoltage Protection (UVP) Flags..................................... 27 ACSNS Flag................................................................................. 28 Overcurrent Protection (OCP) Flags ...................................... 28 Overtemperature Protection (OTP) and Overtemperature Warning (OTW) Flags............................................................... 29 External Flag Input (FLGI/SYNI Pin) ..................................... 30 Protection Actions...................................................................... 30 Flag Blanking During Soft Start ............................................... 30 Latched Flags............................................................................... 30 First Flag ID Recording ............................................................. 31 Power Supply Calibration and Trim ............................................ 32 CS, CS1_A, and CS1_B Gain Trim .......................................... 32 CS2_A and CS2_B Offset and Gain Trim............................... 32 VS_A and VS_B Gain Trim ...................................................... 32 ACSNS Gain Trim...................................................................... 32 RTD1, RTD2, OTP1, and OTP2 Trim..................................... 33 Layout Guidelines....................................................................... 33 PMBus/I2C Communication......................................................... 34 Features........................................................................................ 34 Overview ..................................................................................... 34 PMBus/I2C Address ................................................................... 34 Data Transfer............................................................................... 35 General Call Support ................................................................. 36 Fast Mode .................................................................................... 36 Fault Conditions ......................................................................... 36 Timeout Conditions................................................................... 36 Data Transmission Faults .......................................................... 37 Data Content Faults ................................................................... 37 EEPROM ......................................................................................... 38 Features........................................................................................ 38 Overview ..................................................................................... 38 Page Erase Operation................................................................. 38 Read Operation (Byte Read and Block Read) ........................ 38 Write Operation (Byte Write and Block Write) ..................... 39 EEPROM Password.................................................................... 40 Downloading EEPROM Settings to Internal Registers......... 40 Saving Register Settings to the EEPROM ............................... 40 EEPROM CRC Checksum ........................................................ 40 Software GUI .................................................................................. 41 |
Аналогичный номер детали - ADP1053DC-EVALZ |
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Аналогичное описание - ADP1053DC-EVALZ |
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