NXP Semiconductors MC34PF4210A1ESR2

Overview

MC34PF4210A1ESR2 from NXP Semiconductors is a 14-channel programmable PMIC optimized for i.MX 8M-based audio/video systems, integrating six buck converters (including SW1A/B/C up to 2.5 A + 2.0 A), six LDOs (e.g., VGEN4 at 3.3 V/350 mA), and a 5.0 V/600 mA boost regulator with USB OTG support. It delivers precise DDR termination reference (VREFDDR: 0.6–0.9 V) and coin cell charging for SNVS domain backup.

For engineers reviewing the MC34PF4210A1ESR2 datasheet, MC34PF4210A1ESR2 pinout, MC34PF4210A1ESR2 application, or MC34PF4210A1ESR2 equivalent, key selection criteria include its −40 °C to 105 °C industrial temperature rating, OTP-configurable power-up sequencing, I²C programmability, and compatibility with i.MX 8M EVK reference designs.

Technical Context

The MC34PF4210A1ESR2 implements a multi-rail, configurable power architecture with independent control of up to six buck regulators-SW1A/B/C (0.3–1.875 V), SW2 (0.4–3.3 V/2.5 A), SW3A/B (0.4–3.3 V/3.0 A combined), and SW4 (0.4–3.3 V/1.0 A, with DDR tracking mode). Its internal 16 MHz RC oscillator and 32 kHz clock support dynamic voltage scaling and low-power state transitions.

Control logic integrates I²C register mapping, OTP-based startup configuration, and processor interface signals including PWRON, STANDBY, RESETBMCU, SDWNB, and INTB-all supporting open-drain operation with defined voltage thresholds. Thermal protection triggers at 110–130 °C with hysteresis, and fault detection covers overcurrent, short-circuit, and thermal events with interrupt reporting.

Key Specifications

Pinout & Package

MC34PF4210A1ESR2 uses a 56-pin QFN package (8 mm × 8 mm, 0.5 mm pitch, wettable flank), thermally enhanced with exposed pad (EP) tied to GNDREF for efficient heat dissipation in compact A/V enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC34PF4210A4ESR2, the MC34PF4210A1ESR2 offers identical functionality but with commercial temperature grading; versus MPQ4436AGL-AEC1-Z, it provides integrated LDOs, DDR reference, and coin cell management essential for consumer audio/video platforms.

Availability

MC34PF4210A1ESR2 is available at Aetrix Electronics and suitable for OTT set-top boxes, wireless audio systems, and voice recognition assistants requiring stable component supply across production lifecycles.

Supply support for MC34PF4210A1ESR2 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 consumer applications.

The PF4210 product line delivers highly integrated, OTP-programmable PMICs specifically engineered for NXP's i.MX 8M application processors in cost-sensitive audio/video endpoints.

FAQ

What is the operating temperature range for MC34PF4210A1ESR2?

The MC34PF4210A1ESR2 is rated for 0 °C to 85 °C ambient operation, making it suitable for consumer-grade audio/video equipment such as OTT set-top boxes and sound bars. Its thermal protection circuitry activates at 110–130 °C junction temperature, with hysteresis to prevent oscillation during transient heating. This range aligns with the A1 programming variant specified in NXP's orderable parts table.

Does MC34PF4210A1ESR2 support DDR memory termination?

Yes, MC34PF4210A1ESR2 includes dedicated circuitry for DDR termination: VREFDDR provides a programmable 0.6–0.9 V reference output (±1.5% accuracy), and SW4 supports DDR tracking mode by generating VTT at 50% of SW3A's output voltage. This eliminates need for external termination ICs in LPDDR4-based i.MX 8M designs.

How is the startup sequence configured on MC34PF4210A1ESR2?

The MC34PF4210A1ESR2 uses on-chip one-time programmable (OTP) memory to store startup sequence parameters including voltage ramp timing, inter-rail enable delays, and power-good assertion order. The A1 variant ships preprogrammed for use with the MCIMX8M-EVK reference design, but OTP can be customized during development using NXP's Try-Before-Buy feature before final fuse programming.

Can MC34PF4210A1ESR2 power both the i.MX 8M processor core and DDR memory simultaneously?

Yes, MC34PF4210A1ESR2 is explicitly designed for this role: SW1A/B supplies the Cortex-A53 core domain (0.3–1.875 V, up to 2.5 A each), SW3A/B powers DDR4/LPDDR4 memory rails (0.4–3.3 V, 3.0 A combined), and VREFDDR delivers the precise reference voltage required for DDR termination. Its 14-channel architecture covers all critical i.MX 8M power domains in a single IC.

What interfaces does MC34PF4210A1ESR2 provide for system-level control?

MC34PF4210A1ESR2 provides I²C (SCL/SDA/VDDIO) for full register-level configuration, plus five dedicated logic signals: PWRON (power-on trigger), STANDBY (low-power entry/exit), RESETBMCU (processor reset release), SDWNB (imminent shutdown warning), and INTB (fault interrupt). All digital I/Os are 3.3 V tolerant and open-drain, enabling direct connection to i.MX 8M GPIOs without level shifters.