Key Summary: The MPS (CoreSource Systems) MP2886 is a digital multi-phase PWM controller designed for core power supply applications in high-performance GPUs, servers, and communications equipment. It natively integrates dual communication interfaces—PMBus/I2C and PWM-VID—and supports up to 6 programmable output phases. Shenzhen Mingjiada Electronics Co., Ltd. (Mingjiada) consistently supplies brand-new, genuine MP2886AGU series products in stock. At the same time, the company purchases idle inventory and obsolete MP2886 components from manufacturers, distributors, and end customers at competitive prices, offering one-stop inventory monetization solutions including buyback, consignment, and sales agency services.
I. What Is the MP2886: A Digital PWM Controller Designed for “High Current and Fast Transients”
The MP2886 is a digital multiphase pulse-width modulation (PWM) controller introduced by MPS. Its core purpose is to work in conjunction with MPS Intelli-Phase™ smart power stage products to design multiphase voltage regulator (VR) solutions with a minimum number of external components. Unlike traditional analog PWM controllers, the MP2886 employs a digital nonlinear control architecture, offering significant advantages in load transient response speed and ease of power loop compensation.
In terms of protocol compatibility, the MP2886 supports both PMBus/I²C interfaces (1 MHz bus speed) and the PWM-VID interface, with the latter conforming to NVIDIA’s Open VReg specification. This means the controller can directly interface with the power supply requirements of GPU cores that comply with the Open VReg protocol, enabling direct VID control in high-dynamic-load scenarios such as graphics cards and server accelerator cards.
II. Key Specifications and Features at a Glance
The MP2886’s core parameters cover mainstream requirements for medium- to high-power multi-phase power supplies:
Multi-phase capability: Programmable up to 6 phases
Communication Interfaces: PMBus/I2C (1 MHz) + PWM-VID (compatible with NVIDIA Open VReg)
Switching Frequency: Wide range, programmable from 200 kHz to 5 MHz
Configuration Storage: Built-in EEPROM for saving and restoring device configurations and fault parameters
PMBus Address: Pin-programmable, supporting multi-chip bus addressing
Loop Compensation: Automatic loop compensation; a single power loop is shared for both steady-state and transient conditions
Current Monitoring: Monitors and reports output current via the Intelli-Phase CS output
Protection Features: VIN UVLO, OVP/UVP, OCP, OTP (selectable between no action, lockout, restart, and hiccup modes)
Package: QFN-40 (5 mm × 5 mm), RoHS compliant
In addition, the MP2886 supports Auto-Phase Shedding to optimize light-load efficiency, active phase-to-phase current balancing, programmable thermal balancing offset, and digital load line regulation. For GPU power supplies and server core power supplies that need to balance full-load performance with light-load efficiency, these features directly address key design challenges.
III. Typical Application Scenarios: From RTX Graphics Cards to Server Core Power Supplies
One of the MP2886’s best-known applications is its widespread deployment in the core power supplies of high-performance graphics cards. The MP2886 series can be found serving as the multi-phase core power supply controller in graphics cards such as the RTX 3090, RTX 3080, and RTX 2060—both in NVIDIA’s reference designs and those from numerous AIC partners. For example, teardown reports show that the MSI GeForce RTX 3090 SUPRIM X uses both an MP2886 (6-phase) and an MP2888A (10-phase) to manage the GPU core power supply phases. In repair and after-sales scenarios, issues such as abnormalities in the MP2886’s 22-pin VINSEN voltage-dividing resistor or loss of the built-in firmware are common starting points for graphics card power supply repairs.
In addition to graphics cards, the MP2886 is officially positioned for applications requiring multi-phase, high-current, and high-reliability power supplies, such as server core power supplies, telecommunications and networking systems, and base stations. Its PMBus monitoring capabilities (output voltage/current, input voltage/power, temperature) also make it suitable for system-level designs requiring digital power management.
IV. Mingjiada: Dual-Channel Service for MP2886—Spot Supply + High-Priced Buyback
4.1 Spot Supply: Brand-new, factory-sealed MP2886AGU; inventory available for verification
Shenzhen Mingjiada Electronics Co., Ltd. is a domestic electronic component supplier and spot trader deeply rooted in the semiconductor supply chain. The MP2886AGU is packaged in a QFN-40 and is available for purchase as brand-new, factory-sealed stock. For customers requiring the MP2886 for small-batch trial production, repair spare parts, or urgent restocking due to shortages, Mingjiada offers rapid quoting and shipping responses.
Mingjiada’s contact information is as follows: Phone 86-0755-83957753 / 13410018555; Email sales@hkmjd.com; Website www.hkmjd.com
4.2 High-Priced Buyback: Liquidating Idle MP2886 Inventory
As a high-value digital PWM controller, the MP2886 often accumulates in factory warehouses, distributor inventories, and repair channels in the form of full reels, loose parts, or salvaged components following project changes, design iterations, over-purchasing, or product line upgrades. Mingjiada has long been purchasing the full range of MPS chips from manufacturers, authorized distributors, solution providers, EMS factories, and end-user brands, and the MP2886 series of digital multiphase controllers is included in this scope.
Mingjiada’s inventory disposal services go beyond simple “buyback”; they also include diversified solutions such as consignment, agency sales, and full-warehouse liquidation. These options can be flexibly selected based on the condition of the goods (brand-new and factory-sealed, full reels, loose parts, or obscure models) and customer needs, balancing both speed of payment and asset returns. For customers holding idle MP2886 inventory, treating it as “scrap” clearly underestimates its market value; compliant distribution through Mingjiada’s end-user channel network is a more reasonable path to monetizing inventory.
V. Frequently Asked Questions (FAQ)
Q1: Is the MP2886 supplied by Mingjiada genuine and brand-new?
As a professional electronic component distributor, Mingjiada adheres to the principle of supplying only genuine, brand-new products. The MP2886AGU product page is labeled “Brand-New, Original Packaging.” Specific batch numbers, packaging formats, and quality inspection information can be confirmed with our sales team when requesting a quote.
Q2: I have a batch of obsolete MP2886 inventory. Does Mingjiada purchase it?
Yes, we do. Mingjiada provides MPS chip recycling services to customers nationwide and overseas, and the MP2886 digital multiphase controller falls within our recycling scope. Whether you have full reels of original packaging or loose components, please contact the Mingjiada sales team for component identification and a quote.
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