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NXP Semiconductors MC33VR5500V0ESR2
- Part No.:
- MC33VR5500V0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- -
- Datasheet:
-
MC33VR5500V0ESR2.pdf
- Description:
- VR5500
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Product details
Overview
MC33VR5500V0ESR2 from NXP Semiconductors is an AEC-Q100 Grade 1 automotive high-voltage PMIC for radio, V2X, and infotainment systems. It integrates a 60 V input VPRE synchronous buck controller (up to 10 A peak), three low-voltage synchronous buck converters (BUCK1–BUCK3, each up to 3.6 A peak), one boost converter (1.5 A peak), and two LDOs (400 mA each), all with I²C programmability and multi-rail power sequencing.
For engineers reviewing the MC33VR5500V0ESR2 datasheet, MC33VR5500V0ESR2 pinout, MC33VR5500V0ESR2 application, or MC33VR5500V0ESR2 equivalent, this page delivers verified technical context, exact pin functions, real-world automotive use cases, and validated alternative options - all aligned to Rev. 6 (29 Jan 2020) product data sheet specifications.
Technical Context
The MC33VR5500V0ESR2 implements dual-state machine architecture: a main state machine managing power-up/down sequencing across seven configurable slots, and a fail-safe state machine independently monitoring VBOS, VPRE, and regulator outputs for fault detection and autonomous RSTB/PGOOD assertion. Power sequencing supports OTP-programmed slot delays (250 µs or 1 ms) and synchronized startup via PSYNC pin.
It features EMC-optimized switching with external frequency synchronization (FIN/FOUT), spread spectrum modulation, slew rate control, and manual frequency tuning. The device supports debug mode entry via DBG pin (4.5–5.5 V threshold) and offers full register-level control over regulator enable/disable, thermal shutdown configuration, voltage monitoring thresholds, and interrupt masking via I²C (0x20/0x21 addresses in debug mode).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | −0.3 V to 60 V on VSUP1/VSUP2; validated for 48 V jump-start (15 min) and 58 V load dump without external protection. |
| VPRE Controller Output | Configurable output; supports external MOSFETs; peak current up to 10 A; enables high-efficiency pre-regulation for downstream rails. |
| BUCK1–BUCK3 Outputs | Each integrated synchronous buck delivers up to 3.6 A peak; BUCK1 supports SVS for MCU core supply; BUCK1+BUCK2 support multi-phase operation (7.2 A peak). |
| BOOST Converter | Integrated low-side switch; configurable output voltage; max input current 1.5 A peak; supplies analog front-end or PHY interfaces. |
| LDO Outputs | Two linear regulators: LDO1/LDO2, each configurable up to 400 mA DC; dedicated for MCU I/O and ADC supply with low-noise performance. |
| Quiescent Current | 10 µA typical in OFF mode (TA < 85 °C); enables ultra-low-power battery-off operation in automotive always-on systems. |
| Operating Temperature | −40 °C to +125 °C ambient (AEC-Q100 Grade 1); junction temperature rated to +150 °C. |
Pinout & Package
MC33VR5500V0ESR2 is housed in HPQFN56 (SOT684-23), a thermally enhanced wettable-flank quad flat package with exposed pad (EP) for thermal and GND connection. Pin count: 56 signal pins + EP.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSUP1 / VSUP2 | High-voltage input supply | Dual 60 V-rated inputs requiring external reverse-battery diodes; primary power source for VPRE and internal bias. |
| VPRE_SW / PRE_GHS / PRE_GLS | VPRE gate drive and switching node | Drives external high-/low-side MOSFETs; SW node connects to external inductor; supports >10 A peak current capability. |
| BUCK1_SW / BUCK2_SW / BUCK3_SW | Integrated buck switching nodes | Internal synchronous FET outputs; require external inductors and output capacitors; each supports up to 3.6 A peak load. |
| PGOOD / RSTB | Power-good and reset outputs | Active-low open-drain outputs; require external pull-up to VDDIO; signal system readiness and initiate MCU reset on fault. |
| SCL / SDA | I²C interface | Standard bidirectional I²C bus (100 kHz / 400 kHz); supports OTP configuration, real-time register access, and fault reporting. |
| PSYNC | Power synchronization I/O | Enables coordinated startup/shutdown with second VR5500 or external PMIC; eliminates inrush current stacking in multi-PMIC systems. |
| WAKE1 / WAKE2 | Wake-up inputs | Asynchronous wake sources; support global wake with external series resistor; trigger transition from OFF/STANDBY to NORMAL_M mode. |
| EP (exposed pad) | Thermal & electrical ground | Internally connected to BUCK1/BUCK2/BUCK3 low-side GNDs; must be soldered to PCB ground plane for thermal dissipation and noise control. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-rail power sequencing | Seven OTP-configurable startup slots with 250 µs or 1 ms inter-slot delay; enables precise timing control for DDR, MCU core, and peripheral rails. |
| Fail-safe monitoring | Dedicated fail-safe state machine monitors VBOS, VPRE, and regulator outputs independently; asserts RSTB/PGOOD without CPU intervention on undervoltage/overvoltage faults. |
| EMC optimization | External frequency sync (FIN/FOUT), spread spectrum, slew rate control, and manual frequency tuning reduce conducted/emission peaks in sensitive automotive RF environments. |
| Debug & OTP flexibility | DBG pin enables engineering-mode OTP emulation/programming via I²C; supports custom configurations during development before production OTP burn-in. |
| Low-power OFF mode | 10 µA typical sleep current with wake-on-WAKE1/WAKE2; meets automotive battery-off leakage requirements for telematics and V2X modules. |
Applications
| Automotive Radio Systems | V2X Communication Modules |
|---|---|
|
Use Scenario: Powering AM/FM/DAB tuner, DSP, and RF front-end in head-unit or standalone radio modules. IC Role / Device Role / Timing Role: Primary PMIC delivering sequenced 1.2 V (MCU core), 3.3 V (I/O), 5 V (RF bias), and 12 V (tuner VCO) rails with <100 ms startup time. Use Value: Integrated VPRE pre-regulator handles 60 V transients; BUCK1 SVS ensures stable MCU operation during battery dips; LDOs provide low-noise analog supply. |
Use Scenario: Supplying DSRC/WAVE or C-V2X modems, GNSS receivers, and secure MCU in roadside units or vehicle ECUs. IC Role / Device Role / Timing Role: Single-chip power solution generating isolated 1.1 V (application processor), 1.8 V (memory), 3.3 V (PHY), and 5 V (PA bias) with independent fault monitoring. Use Value: Fail-safe state machine autonomously resets modem on supply fault; PSYNC enables synchronized startup with baseband SoC; BOOST supplies PA efficiently. |
| Infotainment Application Processors | Automotive Display Clusters |
|
Use Scenario: Powering quad-core ARM-based infotainment SoCs (e.g., i.MX8, Tegra) with DDR memory, GPU, and touch controller. IC Role / Device Role / Timing Role: Delivers VCORE (0.8–1.4 V), VDDIO (1.1–3.3 V), VDDQ (1.2 V), and auxiliary 5 V/12 V rails with dynamic voltage scaling and multi-phase BUCK1+BUCK2. Use Value: BUCK1+BUCK2 multi-phase extends current capacity to 7.2 A for high-performance cores; AMUX provides real-time rail telemetry to host MCU via ADC. |
Use Scenario: Powering TFT-LCD driver ICs, backlight LED drivers, and cluster MCU in digital instrument clusters. IC Role / Device Role / Timing Role: Generates 3.3 V (MCU), 5 V (LVDS transmitter), 12 V (backlight boost), and 24 V (LED string) with soft-start and sequencing to prevent display flicker. Use Value: VPRE controller drives external FETs for 24 V boost; LDO2 supplies noise-sensitive display timing controller; PGOOD/RSTB ensure clean boot sequence. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-rail automotive PMIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4332-AEC1 | Single 4-switch buck-boost controller (no integrated LDOs or fail-safe monitor); max 36 V input; no PSYNC or multi-slot sequencing. | Targeted at simpler body-control or lighting modules; lacks fail-safe RSTB/PGOOD autonomy and V2X-grade EMC features. | Select when only VPRE-level regulation is needed and system-level fault handling resides in MCU firmware. |
| TPS65942-Q1 | Four integrated bucks (3 A each), two LDOs (300 mA), but no VPRE controller; max 5.5 V input; requires external 12 V/24 V pre-regulator. | Designed for domain controllers with low-input-voltage SoCs; cannot directly replace MC33VR5500V0ESR2 in 60 V direct-battery applications. | Choose for centralized ECU power where upstream DC/DC handles battery transients and sequencing is less stringent. |
Compared with MPQ4332-AEC1 and TPS65942-Q1, MC33VR5500V0ESR2 uniquely integrates high-voltage VPRE control, fail-safe hardware monitoring, and seven-slot OTP sequencing - making it the only option qualified for safety-critical radio and V2X power domains without external supervision logic.
Availability
MC33VR5500V0ESR2 is available at Aetrix Electronics and suitable for automotive radio, V2X communication, and infotainment applications requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for MC33VR5500V0ESR2 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 AEC-Q100-qualified power management ICs.
The VR5500 product line was engineered specifically for next-generation automotive infotainment and V2X systems, integrating high-voltage resilience, fail-safe autonomy, and flexible sequencing to replace discrete power trees in space-constrained modules.
FAQ
What is the maximum continuous input voltage rating for MC33VR5500V0ESR2?
The MC33VR5500V0ESR2 supports a maximum continuous input voltage of 36 V on VSUP1/VSUP2 pins when VPRE operates at 455 kHz. It has been validated for 48 V jump-start (15 minutes) and 58 V load dump without external protection - meeting ISO 7637-2 and ISO 16750-2 requirements for 24 V automotive systems.
Does MC33VR5500V0ESR2 support multi-phase operation between its buck converters?
Yes, MC33VR5500V0ESR2 supports multi-phase operation between BUCK1 and BUCK2, enabling combined peak current delivery up to 7.2 A on a single output rail. This is achieved through synchronized switching and shared feedback control, as defined in the device's OTP configuration and register mapping (M_REG_CTRL2).
How does the fail-safe state machine in MC33VR5500V0ESR2 operate independently of the main state machine?
The MC33VR5500V0ESR2 implements two physically separate logic blocks: the main state machine manages power sequencing and I²C-controlled operation, while the fail-safe state machine continuously monitors VBOS, VPRE, and regulator outputs using dedicated comparators. It asserts RSTB and PGOOD autonomously - even if the main state machine is halted - ensuring deterministic response to critical supply faults.
Can MC33VR5500V0ESR2 be configured for custom power-up sequences without reprogramming OTP?
Yes, MC33VR5500V0ESR2 supports runtime sequencing adjustments via I²C registers (e.g., M_REG_CTRL1). While the base seven-slot power-up order is OTP-defined, individual rails can be enabled/disabled dynamically in Normal_M mode. Full custom sequencing requires OTP programming, accessible in engineering debug mode using DBG pin and NXP FlexGUI.
What is the purpose of the PSYNC pin on MC33VR5500V0ESR2, and how is it used?
The PSYNC pin on MC33VR5500V0ESR2 enables hardware-synchronized startup and shutdown between multiple PMICs. When pulled high to VBOS, it pauses the MC33VR5500V0ESR2 power-up sequence before VPRE activation, waiting for an external PMIC's ready signal. This prevents inrush current stacking and ensures deterministic system-level power sequencing in complex multi-PMIC architectures.
MC33VR5500V0ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- -
- Voltage - Supply:
- -
- Operating Temperature:
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- Grade:
- -
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MC33VR5500V0ESR2 FAQ
1.How can I place an order for MC33VR5500V0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33VR5500V0ESR2 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 MC33VR5500V0ESR2 reliable?
The price and inventory of MC33VR5500V0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33VR5500V0ESR2 is usually 5 days.
3.What payment methods are accepted for MC33VR5500V0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33VR5500V0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33VR5500V0ESR2?
MC33VR5500V0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33VR5500V0ESR2 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 MC33VR5500V0ESR2?
For technical support, including MC33VR5500V0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33VR5500V0ESR2 requirements.
6.How does Aetrix verify that MC33VR5500V0ESR2 is sourced from the original manufacturer or authorized distributors?
All MC33VR5500V0ESR2 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 MC33VR5500V0ESR2 meets industry standards.
7.What is the process for return or replacement of MC33VR5500V0ESR2?
All MC33VR5500V0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC33VR5500V0ESR2, 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 MC33VR5500V0ESR2 part is unused and in its original packaging.
Return procedure for MC33VR5500V0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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