NXP Semiconductors MC34PF4210A0ESR2

Overview

MC34PF4210A0ESR2 from NXP Semiconductors is a 14-channel PMIC engineered for i.MX 8M-based audio/video systems, integrating six configurable buck converters (e.g., SW1A/B/C up to 2.5 A each), six LDOs (VGEN1–VGEN6), a 5.0 V boost regulator (SWBST, 600 mA), coin cell charger, and DDR reference (VREFDDR, 0.6–0.9 V). It delivers full power sequencing for processor cores, memory, and peripherals in OTT STBs and sound bars.

For engineers reviewing the MC34PF4210A0ESR2 datasheet, MC34PF4210A0ESR2 pinout, MC34PF4210A0ESR2 application, or MC34PF4210A0ESR2 equivalent, this page provides verified specifications, validated I²C-programmable startup sequence, thermal protection thresholds (110–130 °C), industrial-grade −40 °C to 105 °C operation, and confirmed QFN56 8×8 mm wettable flank package with 56-pin functional mapping.

Technical Context

The MC34PF4210A0ESR2 implements a fully programmable power architecture with OTP-configurable startup timing, dynamic voltage scaling (DVS), and multi-mode regulation (PWM/PFM/APS) across all buck channels. Its control logic supports processor interface via PWRON, STANDBY, RESETBMCU, and INTB signals, with fault detection including overcurrent, thermal shutdown (130–150 °C threshold), and undervoltage lockout.

It integrates dedicated DDR termination support through SW4 tracking mode and VREFDDR generation, while VSNVS provides selectable 1.0–3.0 V always-on supply (1.0 mA industrial version) from VIN or coin cell. The 16 MHz internal clock and I²C register map enable precise rail coordination for i.MX 8M SoC subsystems including GPU, VPU, LPDDR4, and HDMI PHY.

Key Specifications

Pinout & Package

MC34PF4210A0ESR2 uses a 56-pin WF-type QFN (wettable flank) package measuring 8 mm × 8 mm with 0.5 mm pitch. The exposed pad (EP) serves as primary ground return for buck regulators and must be connected to inner/external ground planes via multiple vias for thermal management and EMI control.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC34PF4210A4ES, the MC34PF4210A0ESR2 offers field-programmable OTP for prototyping and customization, while MPQ4272GQ-AEC1 lacks LDOs, DDR reference, and I²C control - making it unsuitable as a functional replacement for i.MX 8M audio/video systems.

Availability

MC34PF4210A0ESR2 is available at Aetrix Electronics and suitable for OTT STBs, wireless audio systems, and voice recognition assistants requiring stable component supply across industrial temperature ranges and long-term lifecycle support.

Supply support for MC34PF4210A0ESR2 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based application processors and power management.

The PF4210 product line was designed specifically to support NXP's i.MX 8M family of multimedia processors, delivering tightly integrated, application-optimized power sequencing and DDR memory interface compliance for cost-sensitive audio/video endpoints.

FAQ

What is the operating temperature range for MC34PF4210A0ESR2?

The MC34PF4210A0ESR2 is rated for −40 °C to 105 °C ambient operation, qualifying it for industrial audio/video applications such as A/V receivers and sound bars. This range is explicitly defined in Table 4 of the datasheet and confirmed by thermal testing on eight-layer PCBs with R_ΘJA = 15 °C/W. The MC34PF4210A0ESR2 maintains full functionality across this range without derating.

Does MC34PF4210A0ESR2 support DDR memory termination?

Yes, MC34PF4210A0ESR2 supports DDR termination via SW4 configured in tracking mode, sourcing 50% of SW3A output as VTT, and through dedicated VREFDDR (0.6–0.9 V, ±1.5%) generation. This meets JEDEC LPDDR4 requirements and eliminates external termination circuitry - a key feature validated in the simplified application diagram (Figure 1) and Section 9.3.1.

How is the startup sequence configured on MC34PF4210A0ESR2?

The MC34PF4210A0ESR2 uses on-chip OTP memory to store startup sequence parameters including rail enable order, timing delays, and voltage targets. As an A0 variant, it ships nonprogrammed - enabling custom OTP programming during production or evaluation. Configuration is performed via I²C before fuse blowing, with register map details in Table 135 of the datasheet.

What is the maximum current capability of the boost regulator in MC34PF4210A0ESR2?

The boost regulator (SWBST) in MC34PF4210A0ESR2 delivers 5.0 V to 5.15 V at up to 600 mA, supporting USB On-The-Go (OTG) functionality. This rating is specified in Section 9.1 and confirmed by absolute maximum ratings (SWBSTLX = 7.5 V max). The regulator operates in PFM and auto modes with overcurrent fault interrupt reporting via INTB.

Can MC34PF4210A0ESR2 operate without a coin cell battery?

Yes, MC34PF4210A0ESR2 can operate without a coin cell: VSNVS may be powered from VIN when LICELL is unconnected. However, for reliable standby mode entry/exit at VIN ≤ 2.85 V with VSNVS programmed to 3.0 V, a coin cell is required per Section 9.3.2.1.2. The LICELL pin supports both input and output functions, enabling flexible backup power architecture.