BD4178A BD4178 A ROHM Lenovo ThinkEngine PMIC BGA

Product Code: BD4178A 

Part Marking: BD4178 A 

Brand: ROHM Semiconductor (Lenovo OEM) 

Package Code: BGA-80 

Datasheet: N/A (As a custom OEM PMIC designed specifically for Lenovo, no public datasheet is available.) 

Product Specifications (Service Data) 

The BD4178A is a "ThinkEngine" series Power Management IC (PMIC) custom-manufactured by ROHM Semiconductor specifically for Lenovo laptop motherboards. It serves as the primary power controller on the board. While it belongs to the same architectural family as the BD4178GSW and BD4178AGSW-ZE2 series and provides similar functions, this specific chip is physically marked exactly as "BD4178 A". It is highly utilized in repairing the power and voltage regulation circuits of Lenovo ThinkPad motherboards.

• Product Name: BD4178A BD4178 A BGA Power Management IC 
• Function: Primary Power Controller / Power Management IC (PMIC) 
• Platform: Lenovo ThinkEngine Series 
• Manufacturer: ROHM Semiconductor (Custom-made for Lenovo) 
• Package Type: BGA (Ball Grid Array) - BGA-80 
• Applications: Power and control circuit repairs for Lenovo laptop motherboards 

Sales Information 

Condition: BRAND NEW. Original. 

Warranty: No warranty is provided for semiconductor products. 

Shipping (Turkey): All orders placed before 16:30 on weekdays and 14:30 on Saturdays are shipped the same day via contracted courier. (Excluding busy shipping periods, public holidays, and circumstances that may prevent the courier company from operating) 

International Shipping: Orders placed before 16:30 on weekdays are shipped the same business day via Air Parcel. Orders placed on weekends and outside working hours are shipped on the following first business day. (Excluding busy periods) Country of dispatch is Turkey.