STPMIC1 Datasheet Highly integrated power management IC for micro processor units Features Input voltage range from 2.8 V to 5.5 V 4 adjustable general purpose LDOs 1 LDO for DDR3 termination (sink-source), bypass mode for low power DDR or as general purpose LDO 1 LDO for USB PHY supply with automatic power source detection 1 reference voltage LDO for DDR memory 4 adjustable adaptive constant on-time (COT) buck SMPS converters 5.2 V / 1.1 A boost SMPS with bypass mode for 5 V input or battery input 1 power switch 500 mA USB OTG compliant 1 power switch 500 mA/1000 mA general purpose User programmable non-volatile memory (NVM), enabling scalability to support a wide range of applications IC and digital IO control interface WFQFN 44L (5x6x0.8) Applications Power management for embedded micro processor units Wearable and IoT Portable devices Man-machine interfaces Product status link Smart home STPMIC1 Power management unit companion chip of the STM32MP1 MPU Device summary Description STPMIC1APQR The STPMIC1 is a fully integrated power management IC designed for products STPMIC1BPQR based on high integrated application processor designs requiring low power and high Order code STPMIC1CPQR efficiency. STPMIC1DPQR The device integrates advanced low power features controlled by a host processor via IC and IO interface. STPMIC1EPQR The STPMIC1 regulators are designed to supply power to the application processor WFQFN 44L Packing as well as to the external system peripherals such as: DDR, Flash memories and (5x6x0.8) other system devices. The boost converter can power up to 3 USB ports (two 500 mA host USB and one 100 mA USB OTG). Its advanced bypass architecture allows the smooth regulation of VBUS for USB ports from a battery as well as low-cost consumer 5 V AC-DC adapters. 4 buck SMPS are optimized to provide an excellent transient response and an output voltage precision for a wide range of operating conditions, high full range efficiency ( up to 90%) by implementing a low power mode with a smooth transition from PFM to PWM and also an advanced PWM synchronization technique with an integrated PLL for a better noise (EMI performance). DS12792 - Rev 8 - October 2021 www.st.com For further information contact your local STMicroelectronics sales office.STPMIC1 Device configuration 1 Device configuration The STPMIC1 has a non-volatile memory (NVM) that enables scalability to support a wide range of applications: Default output voltage, POWER UP/POWER DOWN sequence, protection behavior, auto turn-on 2 functionality, I C slave address The STPMIC1A, STPMIC1B, STPMIC1D and STPMIC1E are pre-programmed devices to support the STM32MP1 series application processor versions The STPMIC1C is not a programmed device to support custom applications 2 Straightforward NVM (re)programming via I C to facilitate mass production directly in target applications Table 1. Default NVM configuration vs part number Default configuration table STPMIC1A STPMIC1B STPMIC1C STPMIC1D STPMIC1E Default Default Default Default Default output Rank output Rank output Rank output Rank output Rank voltage voltage voltage voltage voltage LDO1 1.8 V 0 1.8 V 0 1.8 V 0 1.8 V 0 1.8 V 0 LDO2 1.8 V 0 2.9 V 2 1.8 V 0 1.8 V 0 1.8 V 0 LDO3 1.8 V 0 1.8 V 0 1.8 V 0 1.8 V 0 1.8 V 0 LDO4 3.3 V 3 3.3 V 3 3.3 V 0 3.3 V 3 3.3 V 3 LDO5 2.9 V 2 2.9 V 2 1.8 V 0 3.3 V 2 2.9 V 2 LDO6 1.0 V 0 1.0 V 0 1.0 V 0 1.0 V 0 1.0 V 0 REFDDR 0.55 V 0 0.55 V 0 0.55 V 0 0.55 V 0 0.55 V 0 BOOST 5.2 V N/A 5.2 V N/A 5.2 V N/A 5.2 V N/A 5.2 V N/A BUCK1 1.2 V 2 1.2 V 2 1.1 V 0 1.2 V 3 1.2 V 3 BUCK2 1.1 V 0 1.1 V 0 1.1 V 0 1.1 V 0 1.1 V 0 BUCK3 3.3 V 1 1.8 V 1 1.2 V 0 3.3 V 1 1.8 V 1 BUCK4 3.3 V 2 3.3 V 2 1.15 V 0 1.2 V 2 1.2 V 2 Default value VINOK Rise 3.5 V 3.3 V 3.5 V 4.0 V 3.3 V The start-up sequence is split into four steps (Rank0 to Rank3). Each BUCK converter or LDO regulator can be programmed to be automatically turned ON in one of these phases: Rank= 0: rail not turned ON automatically, no output voltage appears after POWER-UP Rank= 1: rail automatically turned ON after 7 ms following a Turn ON condition Rank= 2: rail automatically turned ON after further 3 ms Rank= 3: rail automatically turned ON after further 3 ms Whatever the STPMIC1 version: AUTO TURN ON option is set Boost and switches cannot be turned ON automatically DS12792 - Rev 8 page 2/140