STPMIC2L Power Management IC for MPU: 3 Buck Converters and 7 LDOs

The STMicroelectronics STPMIC2L fully integrated power‑management IC features an input voltage range from 2.8 V to 5.5 V

Image of STMicroelectronics STPMIC2L Power Management ICThe STMicroelectronics STPMIC2L fully integrated power‑management IC is tailored for STM32MP2x MPU applications that demand low power consumption and high efficiency. It incorporates advanced low‑power functions that can be managed by a host processor through I²C and general‑purpose I/O interfaces.

Its regulators are engineered to power both the application processor and external system components such as DDR and Flash memory devices. The device includes three buck SMPS converters optimized for fast transient response and precise output voltage across a wide range of operating conditions.

These converters employ an advanced PWM phase‑shift synchronization scheme with an integrated PLL, along with programmable spread‑spectrum frequency modulation, to help minimize EMI.

Features
  • Input voltage range from 2.8 V to 5.5 V
  • 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 general purpose LDO
  • One LDO for USB PHY supply
  • Two MHz 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 toggled by dedicated power control pins
  • Programmable output voltages turn-on/off sequences
  • Five GPO output control for external command
  • VFQFPN 40L (5.0 mm x 5.0 mm x 1.0 mm)
Applications
  • Power management for embedded microprocessor units
  • Wearables and IoT
  • Portable devices
  • Human machine interfaces
  • Smart home devices
  • Power management unit companion chip of the STM32MP13/15 MPU

STPMIC2L Power Management IC

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Evaluation Kit

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Published: 2026-01-22