Datasheet DA9131 (Dialog Semiconductor) - 31

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DA9131 High-Performance, Dual-Channel DC-DC Converter Addr Register 7 6 5 4 3 2 1 0 Buck Control Buck1
0x0020 BUCK_BUCK1_0 Reserved CH1_SR_DVC_DWN<2:0> CH1_SR_DVC_UP<2:0> CH1_EN 0x0021 BUCK_BUCK1_1 Reserved CH1_SR_SHDN<2:0> CH1_SR_STARTUP<2:0> CH1_PD_DIS 0x0022 BUCK_BUCK1_2 Reserved Reserved Reserved Reserved CH1_ILIM<3:0> 0x0023 BUCK_BUCK1_3 CH1_VMAX<7:0> 0x0024 BUCK_BUCK1_4 Reserved Reserved Reserved CH1_VSE CH1_B_MODE<1:0> CH1_A_MODE<1:0> L 0x0025 BUCK_BUCK1_5 CH1_A_VOUT<7:0> 0x0026 BUCK_BUCK1_6 CH1_B_VOUT<7:0> 0x0027 BUCK_BUCK1_7 Reserved Reserved Reserved Reserved Reserved Reserved CH1_RIPPLE_CANCEL<1:0>
Buck2
0x0028 BUCK_BUCK2_0 Reserved CH2_SR_DVC_DWN<2:0> CH2_SR_DVC_UP<2:0> CH2_EN 0x0029 BUCK_BUCK2_1 Reserved CH2_SR_SHDN<2:0> CH2_SR_STARTUP<2:0> CH2_PD_DIS 0x002A BUCK_BUCK2_2 Reserved Reserved Reserved Reserved CH2_ILIM<3:0> 0x002B BUCK_BUCK2_3 CH2_VMAX<7:0> 0x002C BUCK_BUCK2_4 Reserved Reserved Reserved CH2_VSE CH2_B_MODE<1:0> CH2_A_MODE<1:0> L 0x002D BUCK_BUCK1_5 CH2_A_VOUT<7:0> 0x002E BUCK_BUCK1_6 CH2_B_VOUT<7:0> 0x002F BUCK_BUCK2_7 Reserved Reserved Reserved Reserved Reserved Reserved CH2_RIPPLE_CANCEL<1:0>
Serialization
0x0048 OTP_DEVICE_ID DEV_ID<7:0> 0x0049 OTP_VARIANT_ID MRC<3:0> VRC<3:0> 0x004A OTP_CUSTOMER_I CUST_ID<7:0> D 0x004B OTP_CONFIG_ID CONFIG_REV<7:0>
Datasheet Revision 1.0 31-Aug-2020
CFR0011-120-00 31 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