MC34VR500V8ES - Quad Buck + 5 LDO PMIC for QorIQ | NXP
부품 번호: MC34VR500V8ES ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 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 개요
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.
드롭인 대체품: MC34VR500V8ES — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MC34VR500V8ES (동일 폼 팩터 및 풋프린트) — 차이점: Input Voltage Range, Operating Temperature Range, Output Voltage Programming, Package, Target Processor.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MC34VR500V9ES
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MC34VR500VAES
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MC34PF3001A7EP
✅ 드롭인✓ 재고 있음
$5.2 / 개
데이터시트 보기 →MC34VR500V8ES 최대 정격 & 전기적 특성
| 토폴로지 | 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) |
| 입력 전압 범위 | -0.3 V to 4.8 V (per datasheet absolute max) |
| Output Voltage Programming | User-programmable via I²C |
| 스위칭 주파수 | 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 |
| 과전류 보호 | Yes (per rail) |
| Programmable Interface | I²C |
| 동작 온도 범위 | -40 °C to +105 °C (automotive) |
| 패키지 | 56-pin QFN-EP (HVQFN EP), 8x8 mm |
| 실장 유형 | Surface Mount |
| Target Processor | QorIQ LS1/T1 family |
| RoHS 상태 | Compliant |
MC34VR500V8ES 56-pin qfn-ep (hvqfn ep), 8x8 mm 핀 구성 가이드
MC34VR500V8ES(56-pin qfn-ep (hvqfn ep), 8x8 mm 패키지)의 핀 구성입니다. 이 전력 소자는 게이트, 드레인, 소스 단자를 갖추고 있습니다. 비편향 패키지의 경우 정확한 핀 1 방향과 풋프린트 세부 정보는 제조사 데이터시트를 참조하십시오. 일반적인 응용 분야로는 전원 공급 장치 설계, 모터 구동, 부하 스위칭이 있습니다.
다음에 대한 상세 핀아웃 데이터 없음: MC34VR500V8ES.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MC34VR500V8ES 적합 용도: 6 애플리케이션s: 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.
추천
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.
추천
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.
추천
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.
추천
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.
추천
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.
추천
추천 제품 요약
엔지니어링 참조 데이터: MC34VR500V8ES — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | 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 |
주요 차별점
- 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))
설계 노트
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.
규정 준수 정보
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.
