MC34709VKR2 - i.MX50/53 PMIC, 6 Buck, 8 LDO | NXP
MPN: MC34709VKR2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.96 | $496.00 |
| 500 | $4.4 | $2,200.00 |
| 1,000 | $3.95 | $3,950.00 |
MC34709VKR2 Overview
A PMIC (power management IC) is a highly integrated power management device that consolidates multiple voltage regulators, supervisory functions, and auxiliary circuits into a single die. Within the power management hierarchy - power management IC -> voltage regulators -> DC-DC converters and LDOs - a PMIC replaces numerous discrete regulators, saving board area and improving rail sequencing for processor-centric designs.
Key features include 6 configurable buck converters for processor core, memory, and I/O rails, 8 low-dropout regulators for analog and always-on domains, a boost regulator for display or peripheral supplies, and an integrated 10-bit ADC for supply monitoring. The processor-oriented architecture supports programmable output voltages and sequencing required by i.MX 50/53 boot and sleep modes.
Technically, the MC34709 couples a multi-rail switching architecture with I2C-style programmability so firmware can adjust rail voltages, enter low-power modes, and monitor supply health through the 10-bit ADC. This reduces external component count versus discrete regulator stacks.
Typical applications include i.MX 50 and i.MX 53 processor power trees, industrial HMI terminals, portable and embedded industrial systems, and any multi-rail design requiring sequenced power-up and power-down.
Design consideration: because the MC34709 is programmed for the i.MX power tree, verify default boot rail voltages against your specific i.MX processor variant and adjust register settings as needed.
This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes not found in the manufacturer datasheet.
Drop-in alternatives for MC34709VKR2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
MC34709VK
β Drop-Inπ Reference alternative (not in catalog)
MC34709VKR2R2
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
MC34708VM
β Drop-Inπ Reference alternative (not in catalog)
MC34709VKR2 Specifications
| Function | Processor PMIC for i.MX 50 / i.MX 53 |
| Buck Regulators | 6 |
| LDO Regulators | 8 |
| Boost Regulator | 1 (BST) |
| ADC Resolution | 10-bit |
| Minimum Supply Voltage | 3 V |
| Nominal Supply Voltage | 3.6 V |
| Maximum Supply Voltage | 4.5 V |
| Operating Temperature Range | -40C to +85C |
| Package | 130-MAPBGA (8x8 mm) / 130-LFBGA |
| Terminal Count | 130 |
| Mounting Type | Surface Mount |
| Grade | Industrial |
| Application | i.MX 50 / i.MX 53 processor power management |
| Output Switches | 5 SW outputs (per Mouser: 5SW, 6 LDO BST, 10 Bit ADC listing) |
| RoHS Status | unknown |
MC34709VKR2 130-mapbga (8x8 mm) / 130-lfbga Pin Configuration Guide
Pin configuration for MC34709VKR2 (130-mapbga (8x8 mm) / 130-lfbga package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for MC34709VKR2.
Refer to the datasheet for full pin configuration.
Typical Applications
MC34709VKR2 is suitable for 6 applications: i.MX 50 / i.MX 53 Processor Power Tree, Industrial HMI Terminals, Embedded Industrial Controllers, Portable Battery-Powered Devices, Display and Graphics Subsystems, Medical Monitoring Equipment.
i.MX 50 / i.MX 53 Processor Power Tree
The MC34709VKR2 is purpose-built to generate all power rails for NXP i.MX 50 and i.MX 53 application processors. Its 6 buck regulators supply the ARM core, DDR memory, and internal logic domains with programmable voltages, while the 8 LDOs feed analog, PLL, and always-on domains with low-noise supplies. The boost regulator supports display or peripheral rails. Sequencing between rails - critical for i.MX boot integrity - is handled by the PMIC controller, and the integrated 10-bit ADC allows firmware to monitor rail voltages in real time. Operating from a 3-4.5 V input, it matches single-cell Li-ion or 3.3-3.6 V system rails, replacing more than ten discrete regulators and cutting board area substantially in processor-centric designs.
Recommended
Industrial HMI Terminals
Industrial human-machine interface terminals based on i.MX 53 processors benefit directly from the MC34709VKR2's industrial temperature rating of -40C to +85C and its compact 130-ball integration. Factory-floor HMI panels require stable core and memory rails despite wide ambient swings; the PMIC's buck converters maintain regulation across the full 3-4.5 V input range, and the 10-bit ADC enables predictive monitoring of supply health before a fault stops production. Because all rails are programmable, one PMIC design can be reused across panel sizes with different display and memory configurations, reducing qualification effort. The single-BGA power tree also simplifies thermal design compared with multiple discrete regulators dissipating heat at scattered board locations.
Recommended
Embedded Industrial Controllers
Embedded controllers built around the i.MX 50 processor use the MC34709VKR2 to power the CPU complex, DDR memory, Ethernet PHY, and Flash memory from a single supply input. The 6 bucks deliver the multi-amp core and memory currents efficiently, while the 8 LDOs provide clean rails for the processor's analog macros and system I/O, minimizing noise coupling into sensitive interfaces. The PMIC's programmable off-mode allows the controller to drop into low-power standby while retaining real-time-clock and wake domains - important for energy-limited installations. Its industrial -40C to +85C operating range and 3-4.5 V input compatibility with standard 3.3 V backplane rails make integration straightforward in control cabinets and edge nodes.
Recommended
Portable Battery-Powered Devices
Battery-powered handheld devices using i.MX 50/53 processors pair naturally with the MC34709VKR2 because its 3-4.5 V input window tracks a single-cell lithium-ion discharge curve from full charge (about 4.2 V) down to cell cutoff (about 3 V). The high-efficiency buck converters extend battery runtime for the processor core and DDR rails, while programmable voltage scaling lets firmware trade core frequency against current draw. The 10-bit ADC provides battery and rail telemetry for fuel-gauging algorithms without an external monitor IC. The 130-ball BGA integrates the complete power tree in a minimal footprint, freeing board space for wireless modules, connectors, and battery mechanicals in compact portable enclosures.
Recommended
Display and Graphics Subsystems
The i.MX 53's display controller and external LCD panels require additional rails beyond the core supplies, and the MC34709VKR2's boost regulator plus spare LDO channels address exactly this need. The boost converter generates the higher voltage often required by display backlight drivers or panel VCOM circuits, while LDOs provide quiet analog rails for panel timing controllers where ripple would appear as visible artifacts. Because rail voltages are firmware-programmable, the same PMIC supports different panel types across product variants. The 10-bit ADC can supervise the display rails, allowing software to verify panel power state before driving video output - preventing cold-boot visual glitches in industrial displays and medical monitoring terminals.
Recommended
Medical Monitoring Equipment
Medical monitoring devices based on i.MX 53 processors require clean, low-noise rails for analog front ends and reliable sequenced power for the processor - requirements the MC34709VKR2 meets with its 8 low-noise LDOs and deterministic power sequencing. The -40C to +85C industrial rating covers hospital logistics and transport monitor environments, and the 10-bit ADC supports self-diagnostics of supply rails, a useful input to safety-related watchdog software. The compact 130-BGA integration keeps the power section small enough for handheld patient monitors while maintaining the efficiency needed for long battery shifts. Low-noise LDO rails help preserve signal integrity for ECG/SpO2 analog front ends sharing the same board.
Recommended
Recommended Products Summary
Engineering reference data for MC34709VKR2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC34709VK | MC34709VKR2R2 | MC34708VM |
|---|---|---|---|---|
| Package | 130-MAPBGA (8x8 mm) | 130-MAPBGA - same | 130-MAPBGA - same | 130-MAPBGA - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (Freescale) |
| Target Processor | i.MX 50 / i.MX 53 | i.MX 50 / i.MX 53 | i.MX 50 / i.MX 53 | Earlier i.MX generation |
| Drop-in Replacement Status | Reference part | Yes - no circuit modification (FindIC) | Yes - identical die/ball map | No - design review required |
Key Differentiators
- Purpose-built i.MX 50/53 integration (vs MC34708VM)
- Integrated supply telemetry (vs MC34709VK)
- Board-area consolidation (vs Discrete regulator stack)
Design Notes
The MC34709VKR2 is a 130-ball BGA, so PCB fabrication must support the corresponding ball pitch with adequate via-in-pad or dog-bone fanout. Place the buck converter input capacitors and output LC filters as close to their respective balls as the fanout allows; keep high-di/dt buck loops tight to minimize EMI. Follow the i.MX reference design layout in the NXP datasheet for ball-side assignments of power versus ground balls.
The 3 V to 4.5 V input range tracks a single-cell Li-ion discharge curve, but buck output setpoints and sequencing are firmware-programmable. Before production, dump and verify the full register map against your i.MX 50/53 variant's power tree - core voltage requirements differ between i.MX speed grades. The 10-bit ADC thresholds used by software health monitoring should also be calibrated to your actual rail tolerances.
A common pitfall is assuming all MC34709 suffixes are identical: the MC34709VK is confirmed completely replaceable with the MC34709VKR2 (per FindIC), but MC34708-family parts target a different i.MX generation and are not drop-in. Also note conflicting package descriptions in secondary sources (8x8 mm MAPBGA per DigiKey vs 15x15 mm LFBGA per Datasheets.com) - verify the mechanical drawing in the official NXP datasheet before finalizing the footprint.
Compliance Information
Compliance status not stated in provided web data; verify on the official NXP product page for MC34709VK.
