MC34PF1550A1EP

Power Management - Specialized Overview

The MC34PF1550A1EP is a professional power management IC (PMIC) designed for low-power processor systems, specifically supporting i.MX processors such as the i.MX 7ULP, i.MX 6SL, 6UL, 6ULL, 6SX, and RT series. It integrates a 1A lithium-ion linear battery charger, three high-efficiency buck converters, three LDO regulators, DDR reference voltage, and RTC power supplies. The device accepts input voltages from 4.1V to 6.0V via 5V bus, USB, or AC adapter, withstanding up to 22V transients. It operates within an ambient temperature range of -40°C to +105°C and is housed in a compact 5x5mm QFN package.

Power Management - Specialized Feature Summary

• Integrates a 1A linear lithium-ion battery charger alongside multiple power rails for complete system supply.
• Includes three programmable buck converters and three LDO regulators with load switch capabilities for efficient power distribution.
• Supports user-programmable standby, sleep, and shutdown modes to optimize power consumption in portable applications.
• Features an I²C interface and input control for flexible configuration and monitoring.

Power Management - Specialized Applications

• Low-power portable devices utilizing i.MX processors
• Smart wearable electronics requiring integrated charging and regulation
• IoT applications needing compact power solutions

Power Management - Specialized Procurement Notes

Verify the specific suffix 'EP' against official NXP documentation to confirm packaging type, as distributor listings may vary between tray and reel formats. Ensure the component meets AEC-Q100 automotive qualification requirements if intended for automotive-grade designs. Cross-reference the datasheet revision to confirm pinout compatibility and electrical characteristics match your design specifications before finalizing procurement.

Power Management - Specialized Selection Notes

Select this PMIC when designing systems based on NXP i.MX 6/7 series or RT processors that require a single-chip solution for battery charging and multi-rail power generation. It is suitable for space-constrained designs due to its small QFN footprint. Consider this part if the application demands integrated Li-ion charging capability combined with regulated outputs for logic, memory, and peripherals without external charge controller complexity.

Power Management - Specialized Part Context

The MC34PF1550 belongs to NXP's PF1550 family of PMICs tailored for i.MX-based embedded systems. This family addresses the need for highly integrated power management in mobile and IoT sectors, reducing bill-of-materials count by combining charging, DC-DC conversion, and LDO regulation into one package. It complements NXP's broader portfolio of microcontrollers and application processors by providing optimized power sequencing and efficiency.

Power Management - Specialized Replacement Considerations

Check NXP's official obsolescence notices for the MC34PF1550A1EP. If discontinued, consult the product transition plan for direct replacements within the PF1550 series or newer generations like the PF51x3. Verify functional equivalence regarding output currents, voltage ranges, and package dimensions before substituting.

Power Management - Specialized FAQ

What is the maximum transient voltage the MC34PF1550 can withstand?

The device can withstand transient voltages up to 22V on the input line.

Does the MC34PF1550 include a battery charger?

Yes, it integrates a 1A linear lithium-ion battery charger.