SLUUDD2
June 2026
1
Abstract
Trademarks
1
Introduction
2
Hardware Requirements for NVM Programming
3
Typical NVM Flow
4
Programming Instructions
4.1
Connecting to the I2C address
5
Register Configuration
5.1
Configuring Enable Settings
5.2
Configuring the Bucks
5.3
Configuring LDOs
5.4
Configuring Sequence
5.5
Configuring GPIOs
5.6
Configuring Multi-Function Pins
5.7
Configuring the EN/PB/VSENSE Pin
5.8
Changing I2C Address
5.9
Configuring Mask Settings
5.10
Exporting an NVM Configuration File
5.11
Loading a NVM Configuration File to PMIC
6
NVM Programming
7
Non-NVM Registers
8
TPS6521405 default settings
A References
Programmer's Guide
TPS6521405 Non-Volatile Memory (NVM) Programming Guide