Mobile
Repairing Tools
Touch/Glass/OCA
Glass
Stencils &
IC
OCA Machine &
Parts
Mobile
Accessories
Software
OCA
Sheets &
Polarizers
A detailed description of the Redmi Note 9 Pro Charging Board (also known as the Sub-Board or Charging Flex PCB) is provided below in a tabular format.Overview
Specifications
Feature
Technical Details
Charging Support
Supports Fast Charging (up to 33W Pro charging depending on board quality).
Data Transmission
High-speed data sync via USB-C to PC/Laptop.
Audio Components
Includes the primary "bottom" microphone for voice calls and voice recording.
Connectivity
Features gold-plated pins for reliable connection to the Loudspeaker/Ringer module.
Signal Integrity
Includes a coaxial cable socket for cellular and Wi-Fi antenna signals.
Safety Features
Overcurrent protection (on OEM/Original versions) to prevent motherboard shorts.
IC Components
Contains the power management IC (PMIC) logic specifically for the sub-board distribution.
Product Overview: Redmi Note 9 Pro Charging Board
Attribute
Description
Product Name
Redmi Note 9 Pro Charging Board / Sub-Board Replacement
Compatible Models
Xiaomi Redmi Note 9 Pro, Redmi Note 9S, Poco M2 Pro (Global & India versions)
Part Type
Internal Hardware Replacement Part
Main Function
Manages battery charging, data synchronization, microphone input, and speaker connectivity.
Port Type
USB Type-C 2.0
Key Components
USB-C port, Integrated Microphone, Antenna Signal Connector, Main Flex Cable Connector, and Loudspeaker Contact Pins.
Material
High-density Glass-reinforced Epoxy (FR-4) PCB with Copper Traces.
Dimensions
Approx. 4.5 cm x 3.0 cm (Standardized for M2003J6A1I / M2003J6B2G models)
Weight
~5 to 10 grams
-
| Weight |
0.007 kg |
|---|
Customer Reviews
No reviews yet
Be the first to review this product.