MC34PF3000A0EP - i.MX7 PMIC, 4 Buck + 1 Boost + 6 LDO, 48-QFN | NXP
料号： MC34PF3000A0EP ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $10.46 | $10.46 |
| 10 | $9.42 | $94.20 |
| 100 | $8.15 | $815.00 |
| 500 | $7.1 | $3,550.00 |
| 1,000 | $6.25 | $6,250.00 |
MC34PF3000A0EP 概述
A Power Management IC (PMIC) is a highly integrated device that consolidates multiple voltage rails, sequencing logic, and protection features that an application processor needs into one package. PMICs sit within the broader hierarchy of voltage regulators -> power management ICs -> mixed-signal semiconductors. By replacing discrete buck/boost/LDO combinations with a single IC, the PMIC reduces PCB area, simplifies power-up sequencing, and provides coordinated fault response across all rails.
Key features include four buck regulators with adjustable output voltages (one capable of up to 2.75 A for the core rail), one boost regulator for display back-bias or USB-OTG supply, six LDO regulators for I/O and memory rails, dynamic voltage scaling via I2C/SPI, programmable soft-start, and a -40 C to +105 C industrial operating temperature range. The integrated OTP memory holds default register values that match the target i.MX processor reference designs.
The PF3000 architecture combines a 2.8 V to 5.5 V input front-end, individual feedback loops per regulator, and an I2C control interface. Output voltages and sequencing are configured through internal one-time programmable registers or via external resistors on the VSYS pin. Built-in protection features include thermal shutdown, over-current limit on every output, and under-voltage lockout, allowing safe hot-plug and brown-out recovery for the entire processor rail tree.
Typical applications include i.MX 6 and i.MX 7 based single-board computers, industrial HMI panels, IoT gateways, portable medical devices, and automotive infotainment head units where multiple sequenced rails and tight PCB area budgets are required. The pre-programmed default configuration eliminates firmware-based sequencing in the typical reference design.
When designing with the PF3000, follow the manufacturer's reference manual for decoupling capacitance and layout: each switching regulator needs at least two ceramic input/output capacitors placed within 2 mm of the relevant pins. The I2C lines require pull-up resistors to the system 3.3 V rail, and the RESETB / PWRON logic should be tied to the i.MX PMIC_ON_REQ handshake.
This page consolidates the NXP PF3000 datasheet specifications, current distributor pricing, drop-in package-compatible variants, and practical design guidance not always present in the OEM reference manual. All values are referenced to the manufacturer datasheet or to current distributor listings as of 2026-10-15.
直接替换替代料： MC34PF3000A0EP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC34PF3000A0EP （相同外形与封装尺寸） ——差异在于 Control Interface, Dynamic Voltage Scaling, Package.
快速对比工具——选择替代料号进行并排对比：
MC34PF3000A5EP
✅ 直接替换📋 参考替代料（不在目录中）
MC34PF3000A0ES
✅ 直接替换📋 参考替代料（不在目录中）
MC34PF3000A1EP
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.1 / 个
查看数据手册 →MC34PF3000A2EP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC34PF3000A3EP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC34PF3000A0EP 最大额定值与电气特性
| 功能 | Power Management IC (PMIC) for i.MX 6 / i.MX 7 |
| 输出数量 | 11 (4 Buck + 1 Boost + 6 LDO) |
| 输入电压范围 | 2.8 V to 5.5 V |
| Buck Regulator 1 Output Current | Up to 2.75 A (core rail, per datasheet) |
| Buck Regulator Outputs | 4 x adjustable switching buck regulators |
| Boost Regulator Outputs | 1 x boost regulator |
| LDO Regulator Outputs | 6 x LDO regulators |
| Control Interface | I2C / SPI programmable |
| Dynamic Voltage Scaling | Yes (I2C programmable) |
| 软启动 | Programmable |
| 工作温度 | -40 C to +105 C |
| 封装 | 48-VFQFN Exposed Pad (HVQFN48, 7x7 mm, 0.5 mm pitch) |
| 安装类型 | Surface Mount |
| Factory Default Programming | Pre-programmed for i.MX 7 (A0 default set) |
| Protection Features | Thermal shutdown, over-current limit, UVLO |
| RoHS 状态 | Compliant |
MC34PF3000A0EP 48-vfqfn exposed pad (hvqfn48, 7x7 mm, 0.5 mm pitch) 引脚配置指南
MC34PF3000A0EP（48-vfqfn exposed pad (hvqfn48, 7x7 mm, 0.5 mm pitch) 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： MC34PF3000A0EP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC34PF3000A0EP 适用于 7 应用s: i.MX 6 / i.MX 7 Single-Board Computer, Industrial HMI / Touch Panel, IoT Edge Gateway, Portable Medical Device, Smart Home / Building Automation Hub, Automotive Infotainment Head Unit (Non-Safety), Industrial Printer / Scanner Controller.
i.MX 6 / i.MX 7 Single-Board Computer
The MC34PF3000A0EP is the canonical companion PMIC for NXP i.MX 6SoloLite, i.MX 6DualLite, and i.MX 7Dual / i.MX 7Solo reference designs. It supplies the ARM Cortex-A9 core rail at up to 2.75 A on Buck 1 while the four remaining bucks and six LDOs cover memory (DDR3L at 1.35 V), I/O (3.3 V, 1.8 V), display, and analog domains in a single 7x7 mm footprint. Pre-programmed OTP sequencing matches the i.MX PMIC_ON_REQ handshake, eliminating custom power-management firmware. Industrial -40 C to +105 C operation supports fanless SBC designs in factory and outdoor enclosures.
推荐
Industrial HMI / Touch Panel
For Human-Machine Interface designs combining a touch-screen display, backlight, and i.MX processor, the MC34PF3000A0EP provides the boost regulator needed for LCD backlight bias and the LDOs for touch controller and audio codec supplies. The 4 buck + 1 boost + 6 LDO topology covers TFT display logic, LED backlight driver, and audio DAC reference without external converters. Software-defined sequencing lets the touch-panel firmware power down unused rails during standby, conserving battery life in portable HMI products.
推荐
IoT Edge Gateway
IoT gateways based on i.MX 7Dual benefit from the MC34PF3000A0EP's dynamic voltage scaling via I2C, which lets the gateway firmware scale the core rail down to retention voltage during low-traffic periods. The integrated 11-rail PMIC eliminates 11 separate discrete regulators and a sequencer ASIC, reducing BOM cost and PCB area. Wide 2.8 V to 5.5 V input lets the gateway accept USB, PoE, or single-cell Li-ion sources without additional front-end regulation.
推荐
Portable Medical Device
The MC34PF3000A0EP's industrial -40 C to +105 C operating range and pre-programmed power sequencing are well suited to portable medical devices such as patient monitors and handheld diagnostic tools. The boost regulator provides 5 V to 10 V bias for sensor or LCD subsystems while the LDO rails power low-noise analog front-ends. Coordinated under-voltage lockout and thermal shutdown protect the patient-side electronics during fault conditions on the battery supply.
推荐
Smart Home / Building Automation Hub
Building-automation hubs based on i.MX 7Dual integrate Wi-Fi, Zigbee, Z-Wave, or Thread radios alongside the application processor. The MC34PF3000A0EP powers the i.MX core and the radio subsystems from a single 5 V supply rail, with the LDO outputs providing clean low-noise rails for RF transceiver PLLs. The 1.4 A boost output can drive white-LED indicators or a backup-bias rail, while the buck LDOs power Ethernet PHY and PoE circuitry in wired hubs.
推荐
Automotive Infotainment Head Unit (Non-Safety)
While safety-critical automotive subsystems require AEC-Q100 PMICs (e.g. the MC33PF3000 family), non-safety infotainment head units can use the industrial MC34PF3000A0EP where NXP i.MX processors are deployed. The PMIC's robust protection features (OCP, OVP, thermal shutdown) and pre-programmed sequencing simplify head-unit design; production designs targeting -40 C to +85 C cabin temperatures fit within the industrial operating window. For safety-critical or AEC-Q100 requirements, migrate to the MC33PF3000 automotive variant.
推荐
Industrial Printer / Scanner Controller
Industrial label printers and document scanners use i.MX 6 or i.MX 7 processors to drive stepper motors, image sensors, and LCDs. The MC34PF3000A0EP provides 11 sequenced rails to power the i.MX core, DDR memory, image sensor AVDD, motor driver logic, and operator display in a compact 48-QFN footprint. Programmable soft-start lets designers tune inrush current for capacitive loads such as the motor-driver bulk capacitors, avoiding tripping upstream circuit breakers.
推荐
推荐产品汇总
工程参考数据： MC34PF3000A0EP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC34PF3000A5EP | MC34PF3000A0ES | MC34PF3000A1EP |
|---|---|---|---|---|
| Package | HVQFN48 (7x7 mm) | HVQFN48 (7x7 mm) - same | HVQFN48 (7x7 mm) - same | HVQFN48 (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Topology (Buck / Boost / LDO) | 4 / 1 / 6 | 4 / 1 / 6 | 4 / 1 / 6 | 4 / 1 / 6 |
| Input Voltage Range | 2.8 V to 5.5 V | 2.8 V to 5.5 V | 2.8 V to 5.5 V | 2.8 V to 5.5 V |
| Max Buck 1 Current | Up to 2.75 A | Up to 2.75 A | Up to 2.75 A | Up to 2.75 A |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| Factory OTP Default | A0 (i.MX 6 / i.MX 7 default) | A5 (different i.MX 7 sub-family) | A0 (same OTP, ES silicon rev) | A1 (different i.MX 7 sub-family) |
| Control Interface | I2C / SPI | I2C / SPI | I2C / SPI | I2C / SPI |
| Lifecycle Status | NRND (per NXP) | NRND (per NXP) | NRND (per NXP) | NRND (per NXP) |
| AEC-Q100 Qualified | No (industrial) | No (industrial) | No (industrial) | No (industrial) |
关键差异点
- Pre-programmed OTP for i.MX 6 / i.MX 7 reference designs （对比 MC34PF3000A5EP)
- Industrial temperature grade （对比 MC33PF3000A5ES)
- Integrated 11-rail topology reduces BOM （对比 Discrete buck + LDO tree)
设计说明
The 48-pin HVQFN package relies on the exposed thermal pad (EP) for both electrical ground and heat dissipation. Solder the EP to a continuous PCB copper plane of at least the package footprint (7x7 mm) with 9 thermal vias (0.3 mm drill, 0.6 mm pitch) to the inner ground layer. Place input and output ceramic capacitors within 2 mm of the corresponding switching regulator pins; NXP's reference design uses 22 uF X7R on each switching regulator input and 10 uF to 22 uF X7R on each output. Use 0603 or 0805 ceramic capacitors to minimize parasitic inductance on high-frequency buck loops.
Estimate total PMIC dissipation by summing (Vbuck_in - Vbuck_out) x Ibuck across all four buck regulators, plus the LDO dissipation (VIN - VOUT) x IOUT for each LDO. At full i.MX 7Dual load (Buck 1 = 1.5 A at 1.1 V from 3.3 V) the core buck alone dissipates approximately 3.3 W. Add 0.5 W to 1 W for the remaining rails; the EP PCB copper should keep junction temperature below 100 C at 25 C ambient. Increase PCB copper area or add airflow if the design must operate above 70 C ambient.
The I2C lines (SCL, SDA) and the optional SPI lines should be routed as short traces with 2.2 kohm to 4.7 kohm pull-up resistors to the 3.3 V system rail (per NXP PF3000 reference manual). Avoid routing I2C lines parallel to the buck-switching node traces to prevent logic-level glitches during load transients. The PWRON and RESETB handshake lines must connect directly to the i.MX PMIC_ON_REQ pin without external capacitance on the PMIC side.
Do not assume a single PF3000 OTP default will work across all i.MX 7 sub-families; the A0, A1, A2, A3, and A5 default sets each target a specific processor rail map. Cross-check the OTP default against the target i.MX datasheet's 'Power Rail Requirements' table before committing to a variant. Connecting the wrong OTP default set can result in rail voltages that violate the i.MX absolute maximum ratings, permanently damaging the processor.
Estimated: at VIN = 5.0 V, VOUT_BUCK1 = 1.1 V at 1.5 A, dissipation on Buck 1 alone is (5.0 - 1.1) x 1.5 = 5.85 W. With theta_JA of approximately 25 C/W on the JEDEC 4-layer test board (per NXP PF3000 thermal data), junction temperature rise above ambient is roughly 146 C. Use a thermal pad copper area of 1 square inch minimum, or add a small heatsink, to keep Tj below +125 C in industrial (-40 C to +105 C) enclosures.
合规信息
RoHS compliant per NXP product page. Industrial temperature grade (not AEC-Q100 qualified); choose MC33PF3000 family variants for automotive safety-critical applications.
