T800 & T900 Smart Watch Circuit Details

Board Number: LJ736-MB-V2.3
Serial Number: S2335017
Power And IC: JQ7011
TouchScreen IC: CSI8160
Charging IC: 9212

T800 & T900 Smart Watch Circuit Details


1. Mother Board
2. Wireless Power Supply Module Magnetic levitation
3. Vibrator
4. Microphone 
5. Mini Speaker 
6. Display
7. Battery 
8. Switch 
9. Human Body health measurement Sensor And System
10. Total IC Quantity Installed on the Motherboard: 5
11. Total Transistor Quantity Installed on The Motherboard: 4

T800 & T900 Smart Watch Circuit Details

IC Name/Number And Details

Power IC/ CPU

IC Number: JQ7011
IC Others/Serial Number: BP1N725
Total PinOut: 40 Pin 
▶  This JQ7011 IC is the smart watch's central processing unit (CPU). It handles the main processing tasks, controls the various functions, and communicates with other components like charging IC and touch IC etc. With 40 pins, it integrates multiple functionalities including power management and signal processing.

Touch Screen Controller IC

IC Number: CSI8160
IC Others/Serial Number: 33X09
Total PinOut: 20 Pin

▶  This CSI8160 IC is responsible for processing input from the touchscreen. It translates the user’s touch gestures into commands the CPU can understand. The 20-pin configuration supports various touchscreen technologies and communication protocols.

Charging Protection IC

IC Number: 61 N UE
IC Others/Serial Number: 61 N UE
Total PinOut: 4 Pin

▶  This IC ensures the safety of the charging process by preventing overcharging and protecting against short circuits. With only 4 pins, it provides a compact solution for essential protection functions.

Charging IC

IC Number: 9212
IC Others/Serial Number: N3X06
Total PinOut: 8 Pin

this 9212 IC manages the TWS battery charging process, converting the input voltage to the appropriate level required for the battery. It also includes features to manage charging efficiency and battery health.

Switching IC

IC Number:  UC25H0 16
IC Others/Serial Number:  BP17170 / 2327
Total PinOut: 8 Pin

▶ This IC functions as a switch or regulator within the circuit, enabling various power management and signal routing tasks. The 8 pins allow for versatile switching applications.

Apple Smart Watch Motherboard Front View 
T800 & T900 Smart Watch Motherboard Front View

Power Switch Control Transistor

Transistor Number: J3Y
Total Pin : 3 Pin 

▶ This J3Y transistor controls the power switch, allowing the watch to turn on or off as needed. This transistor plays a crucial role in power management.

Scrolling Contol Transistor

Transistor Number: A2SHB
Total Pin : 3 Pin

▶ this A2SHB transistor is responsible for scrolling control functions, enabling smooth navigation through menus and options on the display.

LED Contol Transistor

Transistor Number: 662K
Total Pin : 3 Pin 
▶ This transistor controls the LEDs within the smartwatch, managing their brightness and operation based on user interactions or system status.

Vibrator Control Transistor

Transistor Number: A2SHB
Total Pin : 3 Pin 

▶ This A2SHB transistor also controls the vibration motor, providing haptic feedback for notifications and alerts.

T800 & T900 Smart Watch Motherboard BackView
T800 & T900 Smart Watch Motherboard BackView

Speaker

Speaker Watt: 0.60-0.90W
Speaker Resistance: 15-30Ohm
▶ this speaker in the smartwatch has a wattage rating between 0.60 and 0.90 watts, providing clear audio output for notifications and alerts. The resistance value ensures compatibility with the watch’s audio amplification system.

Vibrator

Vibrator Input Voltage:2.8-3.7V
▶ this vibrator motor is used for haptic feedback, operating within a voltage range of 2.8 to 3.7 volts. This component enhances user interaction by providing physical feedback.

T800 & T900 Smart Watch Speaker And Vibrator

Wireless Magnetic Charging Coil

Input Voltage: 5V.
Input Current: 1.2 - 2 A

Output Voltage: 5V
Output Current: 700mA
▶ this wireless charging system uses a magnetic coil to transfer power to the smartwatch. The input voltage of 5 volts and output current of 700mA ensure efficient charging. The coil size is 3mm, and it can operate effectively within a normal use distance of 2 to 10mm.

Receiver Coil

Receive Coil Size : 3mm
Receiver output  Voltage: 5V 
Receiver Output Current: 1A 
Normal Use Distance: 2 - 10mm
▶ this receiver coil on the smartwatch allows for wireless power transfer, with an output voltage of 5V and a current of 1A, sufficient to charge the watch’s battery.
T800 & T900 Smart Watch Wireless Magnetic Charging Coil

Microphone 

Microphone Type: Universal Digital 
Microphone Pin: 2 Pin
Microphone Connection Name: Mic +/-
▶ this smartwatch features a universal digital microphone with a 2-pin configuration for capturing audio. It’s used for voice commands and audio recording.


T800 & T900 Smart Watch Microphone

T800 & T900 Smart Watch Display Flex View
T800 & T900 Smart Watch Display Flex

T800 & T900 Smart Watch Display Front View
T800 & T900 Smart Watch Display Front View

T800 & T900 Smart Watch Display Back View
T800 & T900 Smart Watch Display Back View

T800 & T900 Smart Watch Display Side View
T800 & T900 Smart Watch Display Side View

T800 & T900 Smart Watch Cabinet Front View 
T800 & T900 Smart Watch Cabinet Front View

T800 & T900 Smart Watch Cabinet Back Side
T800 & T900 Smart Watch Back Side

Supported Models

T900
S-T800
T900 Ultra
8 series 

Frequently Asked Questions (FAQs)

What is the chipset of the T900 & T800 smartwatch?

JQ7011

How far the wireless distance will be charged?

2mm- 10mm

What are the T800 and T900 Smart Watch CPU numbers?

JQ7011

What is the T800 and T900 smart watch motherboard number?

LJ736

What Is the Version Of the T800 & T900 Smart Watch Motherboard?

4V

What is The Size of the T800 & T900 Smart Watch Display?

T800 = 5.0546 Cm (1.99 Inches) T900 = 5.3086 Cm (2.09 Inches)

What are the Internal Circuit components of the T800 & T900 Smart Watch?

Mother Board Wireless Power Supply Module (Magnetic Levitation) Vibrator Microphone Mini Speaker Display Battery Switch Human Body Health Measurement Sensor and System

What is the function of the JQ7011 IC in the smartwatch?

The JQ7011 is the central processing unit (CPU) of the smartwatch. It handles main processing tasks, controls various functions, and manages communication with other components. With 40 pins, it integrates multiple functionalities, including power management and signal processing.

How does the wireless charging system work in the T800 & T900?

The smartwatch utilizes a wireless magnetic charging system with a charging coil. It operates on an input voltage of 5V and can handle an input current of 1.2 to 2A. The output voltage is also 5V, with a current of 700mA, ensuring efficient power transfer within a normal use distance of 2 to 10mm.

What safety features are included in the smartwatch’s charging system?

The smartwatch features a Charging Protection IC (61 N UE) that prevents overcharging and protects against short circuits. This ensures the safety of the charging process and helps maintain battery health.

What are the specifications of the microphone used in the smartwatch?

The T800 & T900 Smart Watch uses a universal digital microphone with a 2-pin configuration (Mic +/-). It is designed for capturing audio, enabling voice commands and audio recording functionalities.


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