NXP Semiconductors MC32PF1510A5EP

Overview

MC32PF1510A5EP from NXP Semiconductors is a preprogrammed power management IC (PMIC) optimized for i.MX 6UL processors with DDR3 memory, delivering three 1.0 A buck converters (SW1–SW3), three LDOs (LDO1–LDO3), VREFDDR (0.5–0.9 V), VSNVS (3.0 V), and USB_PHY regulation in a 40-pin QFN package. It supports dynamic voltage scaling on SW1/SW2 and operates across −40 °C to 105 °C for industrial embedded systems.

For engineers reviewing the MC32PF1510A5EP datasheet, MC32PF1510A5EP pinout, MC32PF1510A5EP application, or MC32PF1510A5EP equivalent, key selection considerations include its OTP-programmed configuration for i.MX 6UL + DDR3, I²C programmability, ultra-low quiescent current (1.0 μA in ULP mode), and integrated coin-cell charger for RTC backup.

Technical Context

The MC32PF1510A5EP implements a dedicated front-end LDO (1500 mA, up to 6.5 V input) feeding VSYS, which powers all internal regulators. Its three synchronous buck converters operate at 2 MHz with programmable DVS on SW1/SW2 and fixed 1.8–3.3 V output on SW3, while LDO1/LDO3 support load-switch mode and LDO2 delivers 400 mA at 1.8–3.3 V.

OTP memory stores startup/power-down sequences, regulator voltages, and timing-preconfigured for i.MX 6UL with DDR3. The device integrates VREFDDR (10 mA), VSNVS (2.0 mA), and USB_PHY (60 mA, 3.3/4.9 V options), with I²C interface (1.7–3.6 V VDDIO) enabling runtime control of modes including Standby, Sleep/Low-power, and Off (REGS_DISABLE).

Key Specifications

Pinout & Package

MC32PF1510A5EP uses a 40-pin QFN (5.0 mm × 5.0 mm) with exposed thermal pad (EPAD, Pin 41). The package supports high-density routing and thermal transfer via multiple vias to inner/external ground planes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PMIC applications.

Compared with MC34PF1510A5EP, the MC32PF1510A5EP offers identical functionality at lower cost for consumer-temperature applications, while PF8100 provides scalable headroom for next-generation SoCs at the expense of design simplicity and board space.

Availability

MC32PF1510A5EP is available at Aetrix Electronics and suitable for smart wearables, industrial IoT gateways, and POS terminals requiring stable component supply with guaranteed long-term availability and traceable sourcing.

Supply support for MC32PF1510A5EP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in ARM-based application processors and associated power management.

The PF1510 product line delivers highly integrated, OTP-configured PMICs specifically engineered to simplify power architecture for NXP's i.MX 6/7 series processors - reducing external components and accelerating time-to-market for portable and embedded designs.

FAQ

What is the primary target processor and memory interface for the MC32PF1510A5EP?

The MC32PF1510A5EP is preprogrammed for use with NXP's i.MX 6UL application processor and DDR3 memory, as explicitly defined in Table 1 of the PF1510 datasheet. Its OTP configuration sets startup sequences, voltage levels, and timing parameters optimized for this specific processor-memory combination, eliminating manual I²C programming during system initialization.

Does the MC32PF1510A5EP support dynamic voltage scaling (DVS), and if so, on which rails?

Yes, the MC32PF1510A5EP supports dynamic voltage scaling on SW1 and SW2 buck converters only, as confirmed in Section 1.1 Features and Table 11. SW3 does not support DVS and provides fixed 1.8–3.3 V outputs in 100 mV steps. DVS enables real-time adjustment of core voltage during CPU frequency changes, improving energy efficiency in variable-workload applications.

What is the maximum input voltage the MC32PF1510A5EP can withstand on the VIN pin?

The MC32PF1510A5EP VIN pin withstands transient and DC inputs up to +22 V, as specified in Section 1.1 and Table 4 Absolute Maximum Ratings. This robustness allows direct connection to unregulated 12 V or 24 V sources with appropriate external clamping, though normal operation requires 4.1–6.0 V per the General Description.

How is the MC32PF1510A5EP configured for different i.MX processor variants?

The MC32PF1510A5EP is factory-programmed with OTP memory for i.MX 6UL + DDR3 (Program Code 5), as listed in Table 1. Configuration is fixed at manufacture - no field reprogramming is supported. Other variants (e.g., A2EP for i.MX 7ULP + LPDDR3) use separate part numbers with distinct OTP images; mixing configurations requires hardware replacement.

What thermal performance can be expected from the MC32PF1510A5EP in a standard PCB layout?

In a four-layer board (2s2p) per JEDEC JESD51-7, the MC32PF1510A5EP exhibits a junction-to-ambient thermal resistance (R_ΘJA) of 27 °C/W. With proper thermal vias to inner/external ground planes under the EPAD, it sustains full 1.0 A buck loads at 105 °C ambient without exceeding the 125 °C max junction temperature, as validated in Table 3 Thermal Ratings.