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NXP Semiconductors MC32PF8121F2EPR2
- Part No.:
- MC32PF8121F2EPR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
MC32PF8121F2EPR2.pdf
- Description:
- POWER MANAGEMENT IC I.MX8 PRE-PR
- Quantity:
- Payment:
- Shipping:
Inventory:1,056
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Product details
Overview
MC32PF8121F2EPR2 from NXP Semiconductors is a 12-channel power management IC (PMIC) designed for i.MX 8M Mini-based systems with DDR3L memory support. It integrates seven high-efficiency buck converters (SW1–SW7), four linear regulators (LDO1–LDO4), RTC supply (VSNVS), coin cell charger, watchdog timer, and 24-channel analog multiplexer. It delivers precise voltage regulation for CPU, GPU, DDRIO, and peripherals in consumer-grade multimedia applications.
For engineers reviewing the MC32PF8121F2EPR2 datasheet, MC32PF8121F2EPR2 pinout, MC32PF8121F2EPR2 application, or MC32PF8121F2EPR2 equivalent, key selection considerations include its OTP-configurable startup sequence, 3.4 MHz I²C interface, VTT termination on SW6, dual/triple/quad-phase buck configuration capability, and thermal monitoring with 150 °C junction limit.
Technical Context
The MC32PF8121F2EPR2 implements a hierarchical state machine for fault-aware power sequencing, supporting programmable soft-start/power-down sequences and automatic transition between LP_Off, QPU_Off, and System ON states. Its architecture includes independent voltage monitoring per regulator, 10× die temperature sensors, and I²C CRC for communication integrity.
It features dynamic voltage scaling (DVS) on six buck channels (SW1–SW6), configurable multi-phase operation (e.g., SW1+SW2 as dual-phase up to 5 A; SW1+SW2+SW3 as triple-phase up to 7.5 A), and VTT mode on SW6 for DDR3L termination. The integrated 24-channel analog MUX enables system-level diagnostics via external sensor inputs or internal rail monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Buck Count | 7 channels: SW1–SW6 (0.4–1.8 V, ±1.5 % accuracy); SW7 (1.0–4.1 V, ±2 % accuracy) |
| LDO Count | 4 channels (LDO1–LDO4): 1.5–5.0 V, 400 mA each, ±3 % accuracy with optional load switch |
| VSNVS Output | RTC supply at 1.8 V / 3.0 V / 3.3 V, 10 mA, selectable via OTP; supports coin cell backup and charging |
| I²C Interface | High-speed interface up to 3.4 MHz; supports CRC for error detection and robust MCU communication |
| Package | HVQFN56, 8 mm × 8 mm × 0.9 mm body, 0.5 mm pitch, thermally enhanced wettable flank (dimple) |
| Operating Temp | −40 °C to +85 °C ambient; 150 °C max junction temperature with RθJC = 0.6 °C/W |
| Input Range | VIN: 2.7 V to 5.5 V; LICELL: up to 4.2 V; regulator inputs rated −0.3 V to 6.0 V absolute max |
Pinout & Package
HVQFN56 package with exposed thermal pad (EPAD), 56 terminals, 0.5 mm pitch, 8 mm × 8 mm footprint, and dimple wettable flank for solder joint inspection. Pin 57 is EPAD (ground-connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW1FB–SW7FB | Buck feedback inputs | Enable closed-loop regulation; support ±1.5 % output accuracy across SW1–SW6 |
| SW1IN–SW7IN | Buck input supplies | Accept 2.7–5.5 V input; SW6 supports VTT termination mode for DDR3L |
| SW1LX–SW7LX | Switching node outputs | Drive external inductors; tolerate −3.0 V transient spikes during dead time |
| LDO1OUT–LDO4OUT | LDO regulated outputs | Deliver 400 mA each with ±3 % accuracy; configurable as load switches |
| VSNVS | RTC/backup supply | Provides 1.8/3.0/3.3 V @ 10 mA; powered from VIN or coin cell (LICELL) |
| SCL/SDA | I²C interface | 3.4 MHz high-speed bus; supports CRC and multi-master arbitration |
| PGOOD/INTB/RESETBMCU | Power-good & control signals | Open-drain status outputs for system sequencing and fault reporting |
| WDI/EWARN/XINTB | Watchdog & interrupt inputs | Enable MCU-initiated reset, early warning alerts, and external event handling |
Key Features
| Feature | Design Value |
|---|---|
| OTP Configuration Storage | One-time programmable memory stores startup voltage, sequencing order, and protection thresholds-eliminates external resistors and reduces BOM count |
| Multi-Phase Buck Flexibility | SW1–SW4 support quad-phase configuration (up to 10 A); SW1–SW3 support triple-phase (up to 7.5 A)-enables scalable core rail design for i.MX 8M Mini CPU/GPU |
| VTT Termination on SW6 | Dedicated DDR3L VTT rail generation with adjustable current sink/source-meets JEDEC DDR3L termination specs without external components |
| 24-Channel Analog MUX | Enables real-time monitoring of internal rails (e.g., V1P5A/V1P5D) or external sensors-supports predictive thermal management and field diagnostics |
| Advanced Fault Handling | Integrated watchdog with programmable counter, thermal shutdown at 150 °C, fault counter (FAULT_CNT), and automatic transition to LP_Off on failure-ensures system reliability in unattended operation |
Applications
| i.MX 8M Mini Multimedia Terminal | DDR3L-Based Industrial HMI |
|---|---|
Use Scenario: High-resolution video playback, voice assistant, and multi-sensor IoT gateway running Linux on i.MX 8M Mini with LPDDR4 or DDR3L memory. IC Role / Device Role / Timing Role: Primary PMIC managing CPU core (SW1), GPU (SW2), DDRIO (SW4), VDD_SOC (SW3), and RTC (VSNVS) with OTP-programmed boot sequence. Use Value: Reduces external component count by 12+ passives; enables <100 ms cold-boot via fast OTP load and parallel regulator startup. | Use Scenario: Fanless industrial human-machine interface with DDR3L SDRAM, eMMC storage, and Ethernet PHY requiring stable 1.5 V, 1.8 V, and 3.3 V rails. IC Role / Device Role / Timing Role: Central power controller delivering VTT (SW6), core logic (SW5), I/O (LDO1/LDO2), and backup RTC (VSNVS) with thermal derating and fault logging. Use Value: Eliminates discrete VTT solution; provides 24-channel diagnostic MUX for remote health monitoring and predictive maintenance. |
| Smart Audio Processing Edge Node | Low-Power Video Streaming Camera |
Use Scenario: Always-on voice processing device with wake-on-voice, DSP acceleration, and dual-band Wi-Fi using i.MX 8M Mini. IC Role / Device Role / Timing Role: Powers audio codec (LDO3), DSP core (SW1/SW2 dual-phase), memory (SW4), and RF section (LDO4) with dynamic voltage scaling during sleep/wake transitions. Use Value: Achieves <25 µA quiescent current in LP_Off state; DVS reduces active power by 32 % during low-load DSP inference. | Use Scenario: Battery-backed security camera with motion-triggered HD streaming, local AI inference, and coin-cell RTC backup. IC Role / Device Role / Timing Role: Manages camera sensor (SW7), ISP (SW3), memory (SW4), and coin-cell charging (LICELL→VSNVS) with programmable charge voltage/current. Use Value: Enables >3-year coin-cell lifetime via 10 mA VSNVS rail and smart charge termination; supports seamless wake-from-standby in <15 ms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PMIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33PF8121F2EPR2 | AEC-Q100 qualified variant; identical electrical specs but automotive-grade qualification and extended temp range (−40 °C to +105 °C) | Required for automotive infotainment or ADAS companion modules; not needed for consumer i.MX 8M Mini designs | Select MC33PF8121F2EPR2 only if AEC-Q100 compliance and 105 °C operation are mandatory. |
| PF8200A0EP | 6-buck + 4-LDO PMIC; lacks SW7, VTT mode, 24-channel MUX, and triple/quad-phase capability; lower I²C speed (1 MHz) | Targeted at cost-sensitive i.MX 6SoloX or entry-level i.MX 8M Nano designs without DDR3L/VTT or high-current CPU rails | Choose PF8200A0EP only when system power requirements fit its reduced channel count and feature set. |
Compared with MC33PF8121F2EPR2, the MC32PF8121F2EPR2 offers identical functionality at lower cost and qualification level-ideal for consumer applications. Versus PF8200A0EP, it adds critical DDR3L support, higher phase scalability, and advanced diagnostics-justifying its use in performance-critical i.MX 8M Mini deployments.
Availability
MC32PF8121F2EPR2 is available at Aetrix Electronics and suitable for i.MX 8M Mini multimedia terminals, DDR3L-based industrial HMIs, and low-power edge AI cameras requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MC32PF8121F2EPR2 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, with deep expertise in ARM-based application processors and power management.
The PF8121 product line is engineered as the reference PMIC for NXP's i.MX 8M family-optimized for high-efficiency, multi-rail sequencing, and system-level diagnostics in multimedia-rich embedded platforms.
FAQ
What is the primary target processor for the MC32PF8121F2EPR2?
The MC32PF8121F2EPR2 is specifically optimized for the NXP i.MX 8M Mini application processor, with OTP configurations validated for DDR3L memory interfaces and associated power tree requirements-including VTT termination on SW6 and precise sequencing for CPU, GPU, and DDRIO rails.
Does the MC32PF8121F2EPR2 support DDR3L memory termination?
Yes, the MC32PF8121F2EPR2 supports DDR3L VTT termination via SW6, which can be configured in dedicated VTT mode with programmable current sink/source capability-enabling direct compliance with JEDEC DDR3L specifications without external components.
How does the OTP memory in the MC32PF8121F2EPR2 reduce system design complexity?
The OTP memory in the MC32PF8121F2EPR2 stores startup voltage levels, power-up/down sequencing order, fault thresholds, and regulator enable states-eliminating the need for external resistor dividers, configuration EEPROMs, or boot-time I²C writes, thereby reducing BOM count and improving boot reliability.
What thermal management features does the MC32PF8121F2EPR2 provide?
The MC32PF8121F2EPR2 includes 10 on-die temperature sensors, programmable thermal shutdown at 150 °C, thermal derating flags, and junction-to-case thermal resistance of 0.6 °C/W-enabling precise thermal profiling and safe operation in fanless or high-density PCB layouts.
Can the MC32PF8121F2EPR2 be used with coin cell backup for RTC functionality?
Yes, the MC32PF8121F2EPR2 integrates a dedicated coin cell charger and RTC supply (VSNVS) that automatically switches between main VIN and LICELL input, supports programmable charge voltage/current, and delivers stable 1.8 V / 3.0 V / 3.3 V at 10 mA for battery-backed real-time clock operation.
MC32PF8121F2EPR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Industrial, IoT
- Current - Supply:
- -
- Voltage - Supply:
- 2.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 56-HVQFN (8x8)
MC32PF8121F2EPR2 FAQ
1.How can I place an order for MC32PF8121F2EPR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC32PF8121F2EPR2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC32PF8121F2EPR2 reliable?
The price and inventory of MC32PF8121F2EPR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC32PF8121F2EPR2 is usually 5 days.
3.What payment methods are accepted for MC32PF8121F2EPR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC32PF8121F2EPR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC32PF8121F2EPR2?
MC32PF8121F2EPR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC32PF8121F2EPR2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC32PF8121F2EPR2?
For technical support, including MC32PF8121F2EPR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC32PF8121F2EPR2 requirements.
6.How does Aetrix verify that MC32PF8121F2EPR2 is sourced from the original manufacturer or authorized distributors?
All MC32PF8121F2EPR2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC32PF8121F2EPR2 meets industry standards.
7.What is the process for return or replacement of MC32PF8121F2EPR2?
All MC32PF8121F2EPR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC32PF8121F2EPR2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC32PF8121F2EPR2 part is unused and in its original packaging.
Return procedure for MC32PF8121F2EPR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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