MT6366MW IC
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Product Details
Product Details:
- Part Number: MT6366MW (Marking: MT6366MW / 6366MW)
- Family Siblings: MT6366W, MT6366AW, MT6366NW
- Manufacturer: MediaTek Inc. (MTK)
- Function: Primary Power Management Integrated Circuit (Main PMIC / PMU)
- Power Integration: 9 Synchronous Step-Down (Buck) Converters & 33 High-PSRR LDO Regulators
- Processor Power Rails: Default VPROC11/VPROC12 voltage preset to 0.750V (compared to 0.800V on MT6366W)
- Control Interface: High-speed SPI / MediaTek SPMI bus and dual SRCLKEN baseband handshake lines
- Package Type: 192-Pin MIFO WLCSP / Fine-Pitch BGA (Ball Grid Array)
- Mounting Type: Surface Mount Technology (SMD BGA Soldering / Reballing)
Usage:
- Core Power Distribution: Distributes and regulates main power rails (VCORE, VPROC, VDRAM, VIO, VSRAM) across the central processor, LPDDR memory, internal storage, and audio/RF sub-circuits.
- Target Devices:
* Xiaomi / Redmi: Redmi Note 11 (4G), Redmi Note 11S, Redmi 10 / 10 Prime, Redmi Note 10S (select board revisions)
* Realme / Oppo: Realme 8i, Realme Narzo 50, Oppo A76 / A96 (MediaTek variants)
* Infinix / Tecno: Infinix Note 11 / Note 12 series, Tecno Camon 19 series
* Other mid-range handsets based on MediaTek Helio G88, G95, and G96 platforms.
- Common Fault Symptoms & Motherboard Repair:
* Dead Phone (No Power / No Boot): Device fails to trigger boot sequence; on DC bench power supply, it draws 0.00A or gets stuck at 0.03A–0.08A without booting.
* Buck Coil Short Circuit: Inductors around the IC show low resistance or zero ohms to ground, causing high thermal leakage and chip heating under power.
* Boot Loop / Restart: Fluctuations in secondary LDO rails (such as VIO, VSRAM, or sensor supplies) cause the system to crash during kernel boot.
* Exact Suffix Requirement: Always verify whether the board's schematic specifies MT6366MW or MT6366W to prevent startup voltage mismatch.
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