Datasheet DA9131-A (Dialog Semiconductor) - 5

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DA9131-A High-Performance, Dual-Channel DC-DC Converter
6.1 Package Outlines .. 51 6.2 Moisture Sensitivity Level.. 51 6.3 Soldering Information .. 51
7 Ordering Information .. 52 8 Application Information .. 52
8.1 Capacitor Selection ... 52 8.2 Inductor Selection ... 52
Table of Figures
Figure 1: Simplified Schematic Diagram ... 3 Figure 2: Typical Application Diagram (Port Control) .. 3 Figure 3: Typical Application Diagram (I2C Control) .. 3 Figure 4: DA9131-A Pinout Diagram (Bottom View) ... 8 Figure 5: Buck Output Voltage Control Concept ... 18 Figure 6: Resistive Divider... 19 Figure 7: Thermal Protection Operation .. 20 Figure 8: Interrupt Operation Example .. 23 Figure 9: Interrupt Operation Example 2 ... 23 Figure 10: Interrupt Operation Example 3 ... 24 Figure 11: Interrupt Operation Example 4 ... 24 Figure 12: Power-Good (PG) and System Good (SG) .. 26 Figure 13: I2C START and STOP Condition Timing .. 28 Figure 14: I2C Byte Write (SDA Line) .. 29 Figure 15: I2C Byte Read (SDA Line) Examples ... 29 Figure 16: Package Outline Drawing ... 51
Table of Tables
Table 1: Pin Description .. 8 Table 2: Pin Type Definition .. 9 Table 3: Absolute Maximum Ratings ... 10 Table 4: Recommended Operating Conditions ... 10 Table 5: Package Ratings ... 11 Table 6: Power Dissipation .. 11 Table 7: ESD Characteristics .. 11 Table 8: Buck Electrical Characteristics .. 12 Table 9: Electrical Characteristics ... 13 Table 10: Digital I/O Electrical Characteristics .. 14 Table 11: I2C Electrical Characteristics .. 15 Table 12: Thermal Protection Control Registers ... 20 Table 13: Interrupt List ... 21 Table 14: Interrupt Registers Except for Power-Good Status ... 22 Table 15: Interrupt Registers for Power-Good, System Good, and Temp Warning Status .. 22 Table 16: GPIO Pin Assignment ... 25 Table 17: GPIO Function Configuration .. 25 Table 18: GPIO0-Configurable Registers when CONF_EN = 1 ... 27 Table 19: Register Map ... 30 Table 20: SYS_STATUS_0 (0x0001) .. 32 Table 21: SYS_STATUS_1 (0x0002) .. 32 Table 22: SYS_STATUS_2 (0x0003) .. 32 Table 23: SYS_EVENT_0 (0x0004) .. 32 Table 24: SYS_EVENT_1 (0x0005) .. 32 Table 25: SYS_EVENT_2 (0x0006) .. 33 Table 26: SYS_MASK_0 (0x0007) .. 33
Datasheet Revision 1.0 31-Aug-2020
CFR0011-120-00 5 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