STMicroelectronics STPMIC2L Fully Integrated Power Management IC
STMicroelectronics STPMIC2L Fully Integrated Power Management IC (PMIC) is designed for the STM32M2x MPU series applications requiring low power and high efficiency. The device integrates advanced low-power features controlled by a host processor via I2C and I/O interfaces. The STMicroelectronics STPMIC2L regulators are designed to supply power to the application processor and external system peripherals, such as DDR, flash memories, and other system devices. Three buck SMPS are optimized to provide excellent transient response and output-voltage precision across a wide range of operating conditions. The converters use an advanced PWM phase-shift synchronization technique with an integrated PLL and programmable spread-spectrum frequency modulation to reduce EMI.
Features
- 2.8V to 5.5V input voltage range
- Three buck SMPS converters with adaptive constant-on-time (COT) topology
- Five adjustable general-purpose LDOs
- One LDO for DDR3L/DDR4 termination (sink-source) or as a general-purpose LDO
- One LDO for USB PHY supply
- 2MHz switching frequency buck converters with forced PWM
- User-programmable non-volatile memory (NVM), enabling scalability to support a wide range of applications
- Immediate output alternate settings toggle by dedicated power control pins
- Programmable output voltages turn ON/OFF sequences
- I2C and digital I/O control interfaces
- Five GPO output controls for external command
- VFQFPN40L (5.0mm x 5.0mm x 1.0mm) package
Applications
- Power management for embedded microprocessor units
- Wearables and Internet of Things (IoT)
- Portable devices
- Human-machine interfaces (HMIs)
- Smart homes
- Power management unit companion chip for STM32MP21/23/25 MPUs
Typical Application Schematic
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