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SN0903049 SUDUM SMC Reset Controller IC
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Category: Texas Instruments ICs
Availablity : In stock
Shipping : Yes
Description
The SN0903049 SUDUM is a System Management Controller (SMC) reset power IC used in Apple MacBook logic boards. It ensures that essential power rails such as PP3V42_G3H are fully stabilized before enabling the SMC to power up the system. If this IC fails, the laptop may show no power / no fan spin / no charging light issues. Commonly found on MacBook Air and Pro logic boards, this IC is essential for restoring proper power-on functionality. It comes in a compact QFN-8 / DFN-8 package, typically marked R33V or SUDM, and located near SMC reset circuits on the board.
Specification
- Product Name: SN0903049 SMC Reset Controller IC
- Markings on IC: R33V / SUDM
- Location on Board: U5010 (varies by model)
- Manufacturer: OEM (MacBook PMIC series)
- Package Type: QFN-8 / DFN-8
- Application: MacBook SMC reset power sequencing
- Compatible MacBook Models:
- A1369, A1370, A1398, A1425, A1465, A1466, A1502 and others
- Stock: Ready Stock in Nehru Place, Delhi
- Condition: New & Properly Packed
- Warranty: Testing Warranty
- Quality: Quality tested by OKSpare
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