SNVU590A October   2018  – July 2025 LP87561-Q1 , LP87562-Q1 , LP87563-Q1 , LP87564-Q1 , LP87565-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Setup
    1. 2.1 SCL/SDA Pins
    2. 2.2 NRST Pin
    3. 2.3 ENx (GPIOx) Pins
    4. 2.4 nINT
  6. 3Configuration
    1. 3.1 Configuration Sequence
    2. 3.2 Default OTP Configurations
    3. 3.3 Recommended Order of Configuring Registers Through I2C
      1. 3.3.1 Voltage Settings
      2. 3.3.2 Current Limit and Other Regulator Settings
      3. 3.3.3 GPO Settings
      4. 3.3.4 Clock Sync Functions
      5. 3.3.5 PGOOD Settings
      6. 3.3.6 Interrupt Settings
      7. 3.3.7 Startup and Shutdown Sequence
      8. 3.3.8 Set ENx Pin Control Bits
      9. 3.3.9 Set EN_BUCKx Bits
  7. 4Revision History

2 Setup

There are a few important connections to make sure the LP8756x-Q1 is configured correctly, each of which are described in this section. A good example of how to connect an MCU to the LP8756x-Q1 PMIC is shown in Figure 2-1.

LP875610-Q1 LP875620-Q1 LP875630-Q1 LP875640-Q1 LP875650-Q1 Typical MCU Connection to LP8756x-Q1 for Start-Up Configuration Figure 2-1 Typical MCU Connection to LP8756x-Q1 for Start-Up Configuration