Datasheet DA9131-A (Dialog Semiconductor) - 4
| Hersteller | Dialog Semiconductor |
| Beschreibung | High-Performance, Dual-Channel DC-DC Converter |
| Seiten / Seite | 53 / 4 — DA9131-A. High-Performance, Dual-Channel DC-DC Converter. Contents. … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
DA9131-A. High-Performance, Dual-Channel DC-DC Converter. Contents. General Description .. 1. Key Features .. 1. Benefits... 1
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DA9131-A High-Performance, Dual-Channel DC-DC Converter Contents General Description .. 1 Key Features .. 1 Benefits... 1 Applications ... 2 System Diagrams .. 3 1 Terms and Definitions ... 7 2 Pinout ... 8 3 Characteristics .. 10
3.1 Absolute Maximum Ratings .. 10 3.2 Recommended Operating Conditions ... 10 3.3 Thermal Characteristics .. 11 3.3.1 Thermal Ratings .. 11 3.3.2 Power Dissipation .. 11 3.4 ESD Characteristics .. 11 3.5 Buck Characteristics ... 12 3.6 Performance and Supervision Characteristics .. 13 3.7 Digital I/O Characteristics.. 14 3.8 Timing Characteristics ... 15 3.9 Typical Performance ... 16
4 Functional Description ... 17
4.1 DC-DC Buck Converter ... 17 4.1.1 Switching Frequency ... 17 4.1.2 Operation Modes and Phase Selection ... 17 4.1.3 Output Voltage Selection ... 18 4.1.4 Soft Start-Up and Shutdown .. 18 4.1.5 Current Limit .. 18 4.1.6 Resistive Divider .. 19 4.1.7 Thermal Protection .. 20 4.2 Internal Circuits ... 20 4.2.1 IC_EN/Chip Enable/Disable... 20 4.2.2 nIRQ/Interrupt .. 20 4.2.3 GPIO .. 25 4.3 Operating Modes ... 28 4.3.1 ON .. 28 4.3.2 OFF .. 28 4.4 I2C Communication ... 28 4.4.1 I2C Protocol .. 28
5 Register Definitions .. 30
5.1 Register Map ... 30 5.1.1 System ... 32 5.1.2 Buck1 ... 42 5.1.3 Buck2 ... 45 5.1.4 Serialization ... 50
6 Package Information ... 51 Datasheet Revision 1.0 31-Aug-2020
CFR0011-120-00 4 of 53 © 2020 Dialog Semiconductor Document Outline General Description Key Features Benefits Applications System Diagrams Contents Table of Figures Table of Tables 1 Terms and Definitions 2 Pinout 3 Characteristics 3.1 Absolute Maximum Ratings 3.2 Recommended Operating Conditions 3.3 Thermal Characteristics 3.3.1 Thermal Ratings 3.3.2 Power Dissipation 3.4 ESD Characteristics 3.5 Buck Characteristics 3.6 Performance and Supervision Characteristics 3.7 Digital I/O Characteristics 3.8 Timing Characteristics 3.9 Typical Performance 4 Functional Description 4.1 DC-DC Buck Converter 4.1.1 Switching Frequency 4.1.2 Operation Modes and Phase Selection 4.1.3 Output Voltage Selection 4.1.4 Soft Start-Up and Shutdown 4.1.5 Current Limit 4.1.6 Resistive Divider 4.1.7 Thermal Protection 4.2 Internal Circuits 4.2.1 IC_EN/Chip Enable/Disable 4.2.2 nIRQ/Interrupt 4.2.3 GPIO 4.2.3.1 GPIO Pin Assignment 4.2.3.2 GPIO Function 4.2.3.3 Chip Configuration Select (CONF) 4.3 Operating Modes 4.3.1 ON 4.3.2 OFF 4.4 I2C Communication 4.4.1 I2C Protocol 5 Register Definitions 5.1 Register Map 5.1.1 System 5.1.2 Buck1 5.1.3 Buck2 5.1.4 Serialization 6 Package Information 6.1 Package Outlines 6.2 Moisture Sensitivity Level 6.3 Soldering Information 7 Ordering Information 8 Application Information 8.1 Capacitor Selection 8.2 Inductor Selection
DA9131-A High-Performance, Dual-Channel DC-DC Converter Contents General Description .. 1 Key Features .. 1 Benefits... 1 Applications ... 2 System Diagrams .. 3 1 Terms and Definitions ... 7 2 Pinout ... 8 3 Characteristics .. 10
3.1 Absolute Maximum Ratings .. 10 3.2 Recommended Operating Conditions ... 10 3.3 Thermal Characteristics .. 11 3.3.1 Thermal Ratings .. 11 3.3.2 Power Dissipation .. 11 3.4 ESD Characteristics .. 11 3.5 Buck Characteristics ... 12 3.6 Performance and Supervision Characteristics .. 13 3.7 Digital I/O Characteristics.. 14 3.8 Timing Characteristics ... 15 3.9 Typical Performance ... 16
4 Functional Description ... 17
4.1 DC-DC Buck Converter ... 17 4.1.1 Switching Frequency ... 17 4.1.2 Operation Modes and Phase Selection ... 17 4.1.3 Output Voltage Selection ... 18 4.1.4 Soft Start-Up and Shutdown .. 18 4.1.5 Current Limit .. 18 4.1.6 Resistive Divider .. 19 4.1.7 Thermal Protection .. 20 4.2 Internal Circuits ... 20 4.2.1 IC_EN/Chip Enable/Disable... 20 4.2.2 nIRQ/Interrupt .. 20 4.2.3 GPIO .. 25 4.3 Operating Modes ... 28 4.3.1 ON .. 28 4.3.2 OFF .. 28 4.4 I2C Communication ... 28 4.4.1 I2C Protocol .. 28
5 Register Definitions .. 30
5.1 Register Map ... 30 5.1.1 System ... 32 5.1.2 Buck1 ... 42 5.1.3 Buck2 ... 45 5.1.4 Serialization ... 50
6 Package Information ... 51 Datasheet Revision 1.0 31-Aug-2020
CFR0011-120-00 4 of 53 © 2020 Dialog Semiconductor Document Outline General Description Key Features Benefits Applications System Diagrams Contents Table of Figures Table of Tables 1 Terms and Definitions 2 Pinout 3 Characteristics 3.1 Absolute Maximum Ratings 3.2 Recommended Operating Conditions 3.3 Thermal Characteristics 3.3.1 Thermal Ratings 3.3.2 Power Dissipation 3.4 ESD Characteristics 3.5 Buck Characteristics 3.6 Performance and Supervision Characteristics 3.7 Digital I/O Characteristics 3.8 Timing Characteristics 3.9 Typical Performance 4 Functional Description 4.1 DC-DC Buck Converter 4.1.1 Switching Frequency 4.1.2 Operation Modes and Phase Selection 4.1.3 Output Voltage Selection 4.1.4 Soft Start-Up and Shutdown 4.1.5 Current Limit 4.1.6 Resistive Divider 4.1.7 Thermal Protection 4.2 Internal Circuits 4.2.1 IC_EN/Chip Enable/Disable 4.2.2 nIRQ/Interrupt 4.2.3 GPIO 4.2.3.1 GPIO Pin Assignment 4.2.3.2 GPIO Function 4.2.3.3 Chip Configuration Select (CONF) 4.3 Operating Modes 4.3.1 ON 4.3.2 OFF 4.4 I2C Communication 4.4.1 I2C Protocol 5 Register Definitions 5.1 Register Map 5.1.1 System 5.1.2 Buck1 5.1.3 Buck2 5.1.4 Serialization 6 Package Information 6.1 Package Outlines 6.2 Moisture Sensitivity Level 6.3 Soldering Information 7 Ordering Information 8 Application Information 8.1 Capacitor Selection 8.2 Inductor Selection