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SN25A23P+ EPROME
Original price was: ₨ 7,200.₨ 5,500Current price is: ₨ 5,500.
CP3200B160 IC
Original price was: ₨ 6,200.₨ 4,999Current price is: ₨ 4,999.
SN25A23 + EPROME
Original price was: ₨ 7,000.₨ 4,999Current price is: ₨ 4,999.
SN25A23 + EPROME
The search query “SN25A23 + EPROME” refers to a charging controller chip found in Apple MacBooks and iPads, paired with its required memory chip. The correct term is EEPROM, not EPROM, as these are electrically erasable memory chips.
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SN25A23 + EPROME
The search query “SN25A23 + EPROME” refers to a charging controller chip found in Apple MacBooks and iPads, paired with its required memory chip. The correct term is EEPROM, not EPROM, as these are electrically erasable memory chips.
SN25A23 chip
- The SN25A23 is a USB Type-C controller integrated circuit (IC), manufactured by Texas Instruments.
- It is used in modern Apple products, including the MacBook Pro (A2992, A3114) and recent iPad Pro models.
- The chip is part of the power management system that regulates USB-C charging. It is sometimes referred to as a “Boost IC”.
EEPROM pairing
For the SN25A23 to function correctly, it needs a paired EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that holds its configuration data.
- What it is: EEPROM is a type of non-volatile memory that retains data even when power is off. Unlike the older EPROM, which needed ultraviolet light to be erased, EEPROM can be erased and reprogrammed electrically.
- Common pairing: In Apple devices, the SN25A23 is commonly paired with an EEPROM chip such as the Winbond W25Q series. A common EEPROM found with this chip is the 8N EEPROM.
- Why they are paired: The EEPROM stores critical, device-specific information for the charging controller, including settings for the USB-C ports, serial numbers, and other data needed to ensure proper power delivery. This pairing prevents unauthorized part substitutions and helps regulate the device’s charging behavior.
Common usage
In the context of electronics repair, replacing the SN25A23 IC requires a new, matching EEPROM chip that has been correctly programmed. Repair technicians often use specialized tools to:
- Read the data from the old EEPROM.
- Write that data to a new EEPROM chip.
- Install the new SN25A23 and the newly programmed EEPROM onto the logic board.
Without the proper data on the EEPROM, the new SN25A23 chip will not function correctly, and the device may fail to charge or communicate properly through its USB-C ports.
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