MT6359VNP IC
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Product Details
Product Details:
- Part Number: MT6359VNP (Marking: MT6359 VNP / MT6359V/NP)
- Related Family Siblings: MT6359VKP, MT6359VPP, MT6359VMP
- Manufacturer: MediaTek Inc. (MTK)
- Function: Primary System Power Management Integrated Circuit (Main PMIC / PMU)
- Power Architecture: High-efficiency Synchronous Multi-Phase Buck Regulators and multiple low-noise LDO linear regulators
- Control Interface: High-speed MediaTek SPMI / I2C Bus control with Dynamic Voltage Scaling (DVS)
- Built-In Safety: Integrated Over-Voltage (OVP), Over-Current (OCP), Under-Voltage Lockout (UVLO), and Thermal Shutdown (OTP)
- Package Type: Fine-Pitch BGA (Ball Grid Array) / WLCSP
- Mounting Type: Surface Mount Technology (SMD BGA Soldering / Reballing)
Usage:
- Complete System Power Delivery: Generates and regulates heavy-current power rails (VCORE, VPROC, VDRAM, VGPU, VIO, VSRAM) across the application processor, LPDDR4X RAM, and UFS flash storage.
- Target Devices:
* Xiaomi / Redmi: Redmi Note 8 Pro (Helio G90T platform), Redmi 10X 4G
* Oppo / Realme: Oppo Reno 2Z, Reno 2F, Realme 6, Realme 7
* Vivo / iQOO: Vivo NEX 3 (MTK variant), Vivo V21, Vivo S7e
* Other performance smartphones powered by MediaTek Helio G90/G95 series SoCs.
- Common Fault Symptoms & Motherboard Diagnostics:
* Dead Phone (No Power / No Boot): Phone does not turn on; on a DC power supply, current pulses slightly (e.g. 0.04A–0.09A) and stops, indicating a failure to initiate the primary boot sequence.
* Buck Coil Short Circuit: Inductors/coils surrounding MT6359VNP measure zero resistance to ground, causing the IC to heat up instantly when power is injected.
* Hang on Logo / Boot Loop: Voltage instability on the VDRAM or VSRAM rails leads to kernel crash on the Redmi/Oppo startup logo.
* Gaming Heat Stress: Due to the high thermal load on gaming phones (like Redmi Note 8 Pro), solder joints beneath this BGA chip often degrade over time, which can be resolved by reballing or chip replacement.
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