Datasheet DA9122 (Dialog Semiconductor) - 3
| Fabricante | Dialog Semiconductor |
| Descripción | High-Performance Dual-Channel DC-DC Converter |
| Páginas / Página | 59 / 3 — DA9122. High-Performance Dual-Channel DC-DC Converter. Contents. General … |
| Formato / tamaño de archivo | PDF / 1.5 Mb |
| Idioma del documento | Inglés |
DA9122. High-Performance Dual-Channel DC-DC Converter. Contents. General Description .. 1. Key Features .. 1. Applications ... 1
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DA9122 High-Performance Dual-Channel DC-DC Converter Contents General Description .. 1 Key Features .. 1 Applications ... 1 System Diagrams .. 2 1 Terms and Definitions ... 5 2 Pinout ... 6 3 Characteristics .. 8
3.1 Absolute Maximum Ratings .. 8 3.2 Recommended Operating Conditions ... 8 3.3 Thermal Characteristics .. 9 3.3.1 Thermal Ratings .. 9 3.3.2 Power Dissipation .. 9 3.4 ESD Characteristics .. 9 3.5 Buck Characteristics ... 10 3.6 Performance and Supervision Characteristics .. 11 3.7 Digital I/O Characteristics.. 12 3.8 Timing Characteristics ... 13 3.9 Typical Performance ... 14
4 Functional Description ... 18
4.1 DC-DC Buck Converter ... 18 4.1.1 Switching Frequency ... 18 4.1.2 Operation Modes and Phase Selection ... 18 4.1.3 Output Voltage Selection ... 19 4.1.4 Soft Start-Up and Shutdown .. 19 4.1.5 Current Limit .. 19 4.1.6 Thermal Protection .. 20 4.2 Internal Circuits ... 21 4.2.1 IC_EN/Chip Enable/Disable... 21 4.2.2 nIRQ/Interrupt .. 21 4.2.3 GPIO .. 26 4.3 Operating Modes ... 29 4.3.1 ON .. 29 4.3.2 OFF .. 29 4.4 I2C Communication ... 29 4.4.1 I2C Protocol .. 29
5 Register Definitions .. 31
5.1 Register Map ... 31 5.1.1 System ... 33 5.1.2 Buck1 ... 45 5.1.3 Buck2 ... 49 5.1.4 Serialization ... 54
6 Package Information ... 55
6.1 Package Outlines .. 55 6.2 Moisture Sensitivity Level.. 56
Datasheet Revision 2.0 18-Jul-2019
CFR0011-120-00 3 of 59 © 2019 Dialog Semiconductor Document Outline General Description Key Features Applications System Diagrams Contents 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 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 WLCSP Handling 6.4 Soldering Information 7 Ordering Information 8 Application Information 8.1 Capacitor Selection 8.2 Inductor Selection
DA9122 High-Performance Dual-Channel DC-DC Converter Contents General Description .. 1 Key Features .. 1 Applications ... 1 System Diagrams .. 2 1 Terms and Definitions ... 5 2 Pinout ... 6 3 Characteristics .. 8
3.1 Absolute Maximum Ratings .. 8 3.2 Recommended Operating Conditions ... 8 3.3 Thermal Characteristics .. 9 3.3.1 Thermal Ratings .. 9 3.3.2 Power Dissipation .. 9 3.4 ESD Characteristics .. 9 3.5 Buck Characteristics ... 10 3.6 Performance and Supervision Characteristics .. 11 3.7 Digital I/O Characteristics.. 12 3.8 Timing Characteristics ... 13 3.9 Typical Performance ... 14
4 Functional Description ... 18
4.1 DC-DC Buck Converter ... 18 4.1.1 Switching Frequency ... 18 4.1.2 Operation Modes and Phase Selection ... 18 4.1.3 Output Voltage Selection ... 19 4.1.4 Soft Start-Up and Shutdown .. 19 4.1.5 Current Limit .. 19 4.1.6 Thermal Protection .. 20 4.2 Internal Circuits ... 21 4.2.1 IC_EN/Chip Enable/Disable... 21 4.2.2 nIRQ/Interrupt .. 21 4.2.3 GPIO .. 26 4.3 Operating Modes ... 29 4.3.1 ON .. 29 4.3.2 OFF .. 29 4.4 I2C Communication ... 29 4.4.1 I2C Protocol .. 29
5 Register Definitions .. 31
5.1 Register Map ... 31 5.1.1 System ... 33 5.1.2 Buck1 ... 45 5.1.3 Buck2 ... 49 5.1.4 Serialization ... 54
6 Package Information ... 55
6.1 Package Outlines .. 55 6.2 Moisture Sensitivity Level.. 56
Datasheet Revision 2.0 18-Jul-2019
CFR0011-120-00 3 of 59 © 2019 Dialog Semiconductor Document Outline General Description Key Features Applications System Diagrams Contents 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 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 WLCSP Handling 6.4 Soldering Information 7 Ordering Information 8 Application Information 8.1 Capacitor Selection 8.2 Inductor Selection