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NXP Semiconductors MC32PF8121A0EPR2
- Part No.:
- MC32PF8121A0EPR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
MC32PF8121A0EPR2.pdf
- Description:
- POWER MANAGEMENT IC I.MX8 NON-PR
- Quantity:
- Payment:
- Shipping:
Inventory:4,109
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Product details
Overview
MC32PF8121A0EPR2 from NXP Semiconductors is a 12-channel power management IC (PMIC) designed for high-performance i.MX 8M Mini processor systems. 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 for system monitoring. It delivers precise voltage regulation (e.g., SW1–SW6: 0.4–1.8 V @ ±1.5% accuracy, 2.5 A), supports dynamic voltage scaling, and enables fast startup via OTP-configured sequencing.
For engineers reviewing the MC32PF8121A0EPR2 datasheet, MC32PF8121A0EPR2 pinout, MC32PF8121A0EPR2 application, or MC32PF8121A0EPR2 equivalent, key selection considerations include its 56-pin HVQFN package, 3.4 MHz I²C interface, OTP-based configuration storage, VTT termination capability on SW6, and integrated thermal/fault monitoring for robust embedded power delivery.
Technical Context
The MC32PF8121A0EPR2 implements a deterministic state machine with programmable power-up/down sequences, fault recovery logic, and hardware-assisted watchdog supervision. Its architecture supports multi-phase configurations-SW1/SW2 as dual-phase, SW3/SW4 as dual-phase, SW5/SW6 as dual-phase, and SW1–SW4 as quad-phase (up to 10 A)-enabling scalable core rail delivery for heterogeneous SoCs.
It features dedicated analog and digital ground planes (AGND/DGND), thermally enhanced EPAD, and independent voltage monitoring per regulator channel with programmable thresholds. The 24-channel analog multiplexer enables real-time diagnostics of internal/external signals, while spread-spectrum switching and manual frequency tuning reduce EMI in noise-sensitive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Main input range | VIN = 2.7 V to 5.5 V - powers all internal regulators and supports USB/DC-DC pre-regulator inputs |
| Buck output range (SW1–SW6) | 0.4 V to 1.8 V in 6.25 mV steps - enables fine-grained CPU/GPU core voltage control for i.MX 8M Mini |
| Buck output range (SW7) | 1.0 V to 4.1 V - supplies I/O rails, DDR termination, or auxiliary subsystems requiring higher voltage |
| LDO output range (LDO1–LDO4) | 1.5 V to 5.0 V, ±3% accuracy - powers peripherals, interfaces, and sensors with low-noise linear regulation |
| I²C interface speed | Up to 3.4 MHz - enables rapid runtime reconfiguration of voltage, sequencing, and protection settings |
| Thermal shutdown | Junction temperature >150 °C triggers automatic shutdown - protects silicon and PCB during overload or cooling failure |
| Operating ambient | −40 °C to +85 °C - qualified for industrial and extended-temperature consumer applications |
Pinout & Package
MC32PF8121A0EPR2 uses an HVQFN56 (SOT684-29(D)) package: 8 mm × 8 mm × 0.9 mm body, 0.5 mm pitch, thermally enhanced wettable flank, with exposed thermal pad (EPAD) connected to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 50) | Main PMIC input supply | Accepts 2.7–5.5 V; feeds internal LDOs and buck controllers; requires local bulk capacitance |
| SW1FB–SW7FB (Pins 2,3,12,13,30,31,38) | Buck feedback inputs | Resistor-divider inputs for closed-loop output voltage regulation; support ±1.5% (SW1–SW6) or ±2% (SW7) accuracy |
| LDO1OUT–LDO4OUT (Pins 15,18,25,28) | Linear regulator outputs | Deliver 1.5–5.0 V @ 400 mA each; configurable as load switches for peripheral power gating |
| VSNVS (Pin 47) | RTC backup supply | Provides 1.8/3.0/3.3 V @ 10 mA from VIN or coin cell (LICELL); maintains real-time clock during main power loss |
| SCL/SDA (Pins 55/56) | I²C interface | 3.4 MHz high-speed bus for runtime configuration, telemetry readback, and fault logging |
| PGOOD/INTB/RESETBMCU (Pins 42,24,21) | System status outputs | Open-drain signals indicating power-good status, interrupt events, and MCU reset assertion |
Key Features
| Feature | Design Value |
|---|---|
| OTP-based startup configuration | Eliminates external resistors and sequencers; stores voltage targets, timing, and enable order for repeatable, reliable boot |
| Dual-/quad-phase buck capability | SW1–SW4 can be combined into a single 10 A rail - reduces component count and improves transient response for CPU cores |
| VTT termination mode on SW6 | Configurable as DDR3L/LPDDR4 VTT supply with sink/source capability - replaces discrete termination solutions |
| 24-channel analog multiplexer | Enables software-selectable monitoring of internal voltages, temperatures, and external sensor inputs - simplifies board-level diagnostics |
| Coin cell charger with programmable current/voltage | Supports battery-backed RTC with user-defined charge profile - extends backup runtime without external charging IC |
Applications
| i.MX 8M Mini-Based Media Gateways | Industrial Edge AI Controllers |
|---|---|
|
Use Scenario: Powering i.MX 8M Mini SoC, LPDDR4 memory, eMMC, SD card, and Ethernet PHY in compact gateway devices. IC Role / Device Role / Timing Role: Primary PMIC delivering core (VDD_CPU/VDD_GPU), I/O (VDD_DDRIO), and peripheral rails with synchronized startup and fault-aware shutdown. Use Value: Reduces BOM count by integrating 7 bucks + 4 LDOs + RTC + charger; OTP eliminates 12+ external configuration components. |
Use Scenario: Powering ARM-based edge inference units with thermal constraints, remote monitoring, and long-term reliability requirements. IC Role / Device Role / Timing Role: Centralized power controller managing CPU, FPGA, sensor interfaces, and backup RTC under variable load and ambient conditions. Use Value: 24-channel AMUX enables real-time thermal/voltage margining; watchdog and fault counters support fail-safe operation in unattended deployments. |
| Smart Home Hub Platforms | Automotive Infotainment Prototypes |
|
Use Scenario: Consolidating power for multi-core application processors, Wi-Fi/BT modules, touch controllers, and audio codecs in always-on hubs. IC Role / Device Role / Timing Role: High-efficiency PMIC enabling low-quiescent standby modes (LP_Off/QPU_Off) and fast wake-up via PWRON/STANDBY control. Use Value: Dynamic voltage scaling on SW1–SW6 cuts active power by up to 35%; LDO load-switch mode enables zero-leakage peripheral isolation. |
Use Scenario: Rapid prototyping of infotainment head units using i.MX 8M Mini reference designs before AEC-Q100 qualification. IC Role / Device Role / Timing Role: Flexible power subsystem supporting multiple memory types (LPDDR4, DDR3L), display interfaces, and CAN/FlexRay companion ICs. Use Value: SW6 VTT mode and OTP variants (e.g., F1EP/F2EP) allow one hardware design to target LPDDR4 or DDR3L memory without layout changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PMIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC32PF8121F1EP | Same die, pre-programmed OTP for LPDDR4 (Vin > 4.0 V, SW7 = 3.3 V, SW4 = 1.8 V); dimple wettable flank package | Optimized for i.MX 8M Mini with LPDDR4 memory requiring tighter VDD_DDRIO regulation | Select when LPDDR4 interface and factory-configured sequencing are required; no runtime I²C reprogramming of OTP defaults |
| MC32PF8121G5EP | Same die, pre-programmed OTP for LPDDR4 with lower SW4 output (0.85 V); dimple wettable flank package | Targets i.MX 8M Mini LPDDR4 configurations needing sub-1.0 V I/O rails | Choose for advanced LPDDR4 low-voltage I/O schemes; retains full I²C configurability post-boot |
Compared with MC32PF8121A0EPR2, MC32PF8121F1EP and MC32PF8121G5EP offer factory-optimized OTP settings for specific memory interfaces but share identical pinout, electrical specs, and runtime I²C control-making them drop-in alternatives when preconfigured sequencing is preferred over field-programmable flexibility.
Availability
MC32PF8121A0EPR2 is available at Aetrix Electronics and suitable for i.MX 8M Mini-based media gateways, industrial edge AI controllers, and smart home hub platforms requiring stable component supply, long lifecycle support, and consistent OTP programming across production batches.
Supply support for MC32PF8121A0EPR2 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 markets, with deep expertise in ARM-based application processors and power management.
The PF8121 product line was engineered specifically to serve as the primary power subsystem for NXP's i.MX 8 series processors-delivering tightly coupled voltage regulation, intelligent sequencing, and system-level monitoring in a single chip.
FAQ
What is the function of the TBBEN pin on the MC32PF8121A0EPR2?
The TBBEN (Try Before Buy Enable) pin on the MC32PF8121A0EPR2 controls entry into low-power test modes during manufacturing or validation. When asserted high, it enables quick power-up from LP_Off without full OTP loading, allowing functional verification prior to final programming. This feature is used exclusively during production testing and has no runtime role in deployed MC32PF8121A0EPR2 systems.
Does the MC32PF8121A0EPR2 support DDR3L memory termination?
Yes, the MC32PF8121A0EPR2 supports DDR3L termination through SW6's VTT mode, which provides sink/source capability for DDR3L VTT rails. While MC32PF8121F2EP is the OTP-optimized variant for DDR3L (with external VTT), the MC32PF8121A0EPR2 retains full VTT functionality via I²C configuration and can be programmed to deliver compliant DDR3L termination without hardware change.
How does the OTP memory in the MC32PF8121A0EPR2 affect system startup?
The OTP memory in the MC32PF8121A0EPR2 stores immutable startup parameters-including voltage targets, power-up sequence order, timing delays, and default protection thresholds-enabling autonomous, repeatable boot without host processor intervention. This eliminates dependency on external configuration EEPROMs or firmware initialization, reducing boot time and improving reliability in MC32PF8121A0EPR2-based systems.
Can the MC32PF8121A0EPR2 be used with processors other than i.MX 8M Mini?
Yes, the MC32PF8121A0EPR2 is compatible with other NXP i.MX 6 series processors and select non-NXP application processors. Its flexible I²C interface, programmable regulators, and generic power sequencing logic allow adaptation to alternative SoCs-though OTP defaults are tuned for i.MX 8M Mini, and full validation is required for non-NXP platforms using MC32PF8121A0EPR2.
What thermal management features does the MC32PF8121A0EPR2 provide?
The MC32PF8121A0EPR2 includes on-die thermal monitoring with programmable shutdown at 150 °C, 10× die temperature sensors, and fault counters that increment on thermal events. It also supports external thermal diode inputs via the 24-channel AMUX, enabling system-level thermal mapping. These features ensure safe operation in MC32PF8121A0EPR2-powered designs under sustained load or elevated ambient conditions.
MC32PF8121A0EPR2 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)
MC32PF8121A0EPR2 FAQ
1.How can I place an order for MC32PF8121A0EPR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC32PF8121A0EPR2 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 MC32PF8121A0EPR2 reliable?
The price and inventory of MC32PF8121A0EPR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC32PF8121A0EPR2 is usually 5 days.
3.What payment methods are accepted for MC32PF8121A0EPR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC32PF8121A0EPR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC32PF8121A0EPR2?
MC32PF8121A0EPR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC32PF8121A0EPR2 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 MC32PF8121A0EPR2?
For technical support, including MC32PF8121A0EPR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC32PF8121A0EPR2 requirements.
6.How does Aetrix verify that MC32PF8121A0EPR2 is sourced from the original manufacturer or authorized distributors?
All MC32PF8121A0EPR2 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 MC32PF8121A0EPR2 meets industry standards.
7.What is the process for return or replacement of MC32PF8121A0EPR2?
All MC32PF8121A0EPR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC32PF8121A0EPR2, 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 MC32PF8121A0EPR2 part is unused and in its original packaging.
Return procedure for MC32PF8121A0EPR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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