MC34VR500V8ES - Quad Buck + 5 LDO PMIC for QorIQ | NXP
Teilenummer: MC34VR500V8ES ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $11.46 | $11,46 |
| 10 | $10.31 | $103,10 |
| 100 | $9.16 | $916,00 |
| 500 | $8.01 | $4.005,00 |
| 1.000 | $6.87 | $6.870,00 |
MC34VR500V8ES Übersicht
A PMIC (Power Management IC) is a highly integrated power supply ASIC that combines multiple voltage regulators (switching buck converters and low-dropout linear regulators), supervisory functions, and digital control into one package. PMICs are widely used in networking processors, SoCs, and FPGAs where multiple independent voltage rails must be generated, sequenced, and dynamically scaled in response to load or operating mode changes. They sit at the top of the power management hierarchy: PMIC > multi-channel regulator > DC/DC converter + LDO > power management.
Key features include four integrated buck converters with internal MOSFETs, five user-programmable LDOs with adjustable output, adjustable current limiting on each rail, adjustable soft-start, dynamic voltage scaling (DVS), light-load efficiency mode, power-on sequencing control, and I²C programmability. The device is qualified to automotive temperature range (-40 °C to +105 °C), making it suitable for harsh industrial and automotive networking environments.
The MC34VR500V8ES uses SMARTMOS technology from NXP's automotive-grade mixed-signal process. Internal power MOSFETs are sized for the 4.5 A peak buck output, eliminating external switches. Closed-loop digital trimming via I²C allows output setpoints to be tuned at ATE or in-system. Built-in protections include overcurrent protection (OCP), thermal shutdown, and undervoltage lockout.
Typical applications include QorIQ LS1/T1 communications processor platforms, industrial networking switches/routers, automotive telematics and gateway ECUs, smart-grid/industrial control, and any multi-rail SoC system requiring tightly-sequenced power-up. Pairing this PMIC with a QorIQ LS1021A or T1024 processor provides a single-supply power solution.
When designing with this part, follow NXP's reference design for proper inductor selection, output capacitor choice, and PCB layout of the exposed pad (EP). The EP must be soldered to a sufficient ground copper pour for thermal dissipation. I²C programming must follow the MC34VR500 register map exactly, including write-protect unlocking before any register modification.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, including automotive grade comparison and cross-reference guidance for hard-to-source NXP PMICs.
Drop-in-Alternativen für MC34VR500V8ES – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MC34VR500V8ES (gleiche Bauform und Footprint) – abweichend in Input Voltage Range, Operating Temperature Range, Output Voltage Programming, Package, Target Processor.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC34VR500V9ES
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC34VR500VAES
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC34PF3001A7EP
✅ Drop-In✓ Auf Lager
$5.2 / Stück
Datenblatt ansehen →MC34VR500V8ES Grenzwerte & elektrische Eigenschaften
| Topologie | Quad Buck + 5 LDO PMIC |
| Number of Buck Outputs | 4 (integrated MOSFETs) |
| Number of LDO Outputs | 5 (user-programmable) |
| Maximum Buck Output Current | 4.5 A (main buck) |
| Eingangsspannungsbereich | -0.3 V to 4.8 V (per datasheet absolute max) |
| Output Voltage Programming | User-programmable via I²C |
| Schaltfrequenz | User-programmable via I²C |
| Turn-on Sequencing | Programmable via I²C |
| Dynamic Voltage Scaling | Yes (DVS) |
| Adjustable Soft-Start | Yes (per output) |
| Adjustable Current Limiting | Yes (per output) |
| Light-Load Efficiency Mode | Yes |
| Power-On Timing Control | Yes |
| Überstromschutz | Yes (per rail) |
| Programmable Interface | I²C |
| Betriebstemperaturbereich | -40 °C to +105 °C (automotive) |
| Gehäuse | 56-pin QFN-EP (HVQFN EP), 8x8 mm |
| Montageart | Surface Mount |
| Target Processor | QorIQ LS1/T1 family |
| RoHS-Status | Compliant |
MC34VR500V8ES 56-pin qfn-ep (hvqfn ep), 8x8 mm Pinbelegungsleitfaden
Pinbelegung für MC34VR500V8ES (56-pin qfn-ep (hvqfn ep), 8x8 mm-Gehäuse). Dieses Leistungsbauteil verfügt über Gate-, Drain- und Source-Anschlüsse. Bei nicht gepolten Gehäusen entnehmen Sie die genaue Ausrichtung von Pin 1 und Footprint-Details dem Herstellerdatenblatt. Typische Anwendungen sind Netzteilentwurf, Motoransteuerung und Lastschaltung.
Keine detaillierten Pinbelegungsdaten verfügbar für MC34VR500V8ES.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MC34VR500V8ES ist geeignet für 6 Anwendungs: QorIQ LS1/T1 Communications Processor Power, Industrial Networking Switch / Router, Automotive Telematics and Gateway ECU, Smart Grid and Industrial Control Platform, Single-Board Computer (SBC) for Embedded Networking, Edge Server / Micro-Datacenter Node.
QorIQ LS1/T1 Communications Processor Power
The MC34VR500V8ES is purpose-built for NXP QorIQ LS1/T1 processors (e.g., LS1021A, T1024). Its 4.5 A main buck delivers the processor core rail while the 5 LDOs supply DDR, PLL, and peripheral rails. Output voltages, switching frequency, and turn-on sequence are I²C programmable to match QorIQ LS1/T1 power-up requirements exactly. NXP reference designs pre-validate this pairing, reducing time-to-market for networking platforms.
Empfohlen
Industrial Networking Switch / Router
Multi-rail industrial switches and routers need a single, reliable PMIC to power the SoC plus PHY, SERDES, and DDR memory. The MC34VR500V8ES integrates 4 switching bucks plus 5 LDOs in one 8x8 mm QFN-EP, dramatically reducing BOM count and PCB area versus discrete regulators. Its -40 °C to +105 °C automotive-grade temperature range handles harsh factory-floor environments, and per-rail OCP isolates faults to prevent system-wide brownouts.
Empfohlen
Automotive Telematics and Gateway ECU
The MC34VR500V8ES is AEC-qualified (operating -40 °C to +105 °C) and explicitly tagged for automotive use by Arrow Electronics. In a vehicle gateway ECU or telematics control unit, it powers the QorIQ communications processor while DVS (dynamic voltage scaling) reduces quiescent draw when the vehicle is parked. Adjustable soft-start prevents inrush on the 12 V automotive battery rail during cranking transients.
Empfohlen
Smart Grid and Industrial Control Platform
Substation gateways, IEC 61850 IEDs, and industrial controllers require deterministic multi-rail power-up. The MC34VR500V8ES provides programmable power-on sequencing and per-rail OCP, ensuring the processor initializes only after all rails are stable. Light-load efficiency mode extends operating life in battery-backed grid sensors. The wide -40 °C to +105 °C range handles outdoor cabinet temperatures.
Empfohlen
Single-Board Computer (SBC) for Embedded Networking
SBC designers targeting the QorIQ LS1/T1 family can drop in the MC34VR500V8ES and immediately gain a pre-validated power tree with I²C telemetry. The 8x8 mm QFN-EP keeps the power section under 100 mm², freeing board area for memory and I/O. I²C programmability allows field firmware to retune output voltages without hardware rework when migrating between QorIQ LS1 and T1 variants.
Empfohlen
Edge Server / Micro-Datacenter Node
Edge nodes housing a QorIQ LS1021A for accelerated packet processing benefit from the MC34VR500V8ES's high 4.5 A buck capacity and tight sequencing, ensuring deterministic core-rail ramp-up before DDR initialization. The integrated MOSFETs eliminate bulky external switches, allowing dense edge-server layouts. DVS supports dynamic power capping across fluctuating network loads.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC34VR500V8ES – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC34VR500V9ES | MC34VR500VAES | MC34PF3001A7EP |
|---|---|---|---|---|
| Package | 56-QFN-EP (8x8 mm) | 56-QFN-EP (8x8 mm) - same | 56-QFN-EP (8x8 mm) - same | QFN-EP (HVQFN) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (legacy Freescale) | NXP Semiconductors |
| Topology | 4 Buck + 5 LDO | 4 Buck + 5 LDO | 4 Buck + 5 LDO | Multi-rail PMIC (different rail map) |
| Target Processor | QorIQ LS1/T1 | QorIQ LS1/T1 | QorIQ LS1/T1 | i.MX 6 / LS1 family |
| I²C Programmability | Yes (Vout, Fsw, sequencing) | Yes | Yes | Yes |
| Automotive Grade | Yes (-40 to +105 °C) | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active (legacy Freescale brand) | Active |
Wichtigste Unterscheidungsmerkmale
- Native QorIQ LS1/T1 reference-platform validation (vs. MC34PF3001A7EP)
- Pin-compatible within the MC34VR500 family (vs. MC34VR500V9ES)
- Single-IC replacement vs TI discrete re-architecture (vs. TPS54331 + TPS7A LDO stack (TI alternative))
Designhinweise
The 56-pin QFN-EP package dissipates heat through the central exposed pad. According to the MC34VR500 datasheet, the EP must be soldered to a ground copper pour of at least 1 square inch with an array of thermal vias (typically 9-12 vias, 0.3 mm drill, 1.0 mm pitch) connecting to inner ground planes. Without proper EP soldering the junction will overheat at full 4.5 A load. Estimated: at 4.5 A and 1.0 V dropout, expect ~4.5 W dissipation - verify with the datasheet's thermal-resistance table.
Place the buck input capacitors as close as possible to the VIN pins and PGND, with wide, short copper pours to minimize switching-node ringing. According to NXP's reference design guidelines for the MC34VR500 family, each buck output requires a low-ESR ceramic output capacitor plus a smaller high-frequency bypass cap. Keep the switching-node copper area small to reduce EMI, and route feedback traces away from switching nodes to avoid noise coupling into the regulation loop.
Do not modify MC34VR500V8ES I²C registers before unlocking the write-protect per the datasheet register map - locked writes are silently ignored. According to NXP, the default output setpoints target the standard QorIQ LS1021A configuration; if you change setpoints, revalidate soft-start timing to avoid inrush faults. Also verify the I²C slave address - the MC34VR500 supports multiple addresses for multi-PMIC systems.
Compliance-Informationen
AEC-qualified per Arrow Electronics product description ('Automotive 56-Pin HVQFN EP') and LCSC listing. RoHS compliant per NXP product page. -40 to +105 °C operating range indicates automotive Grade-1 qualification.
