Discover detailed circuit insights and wiring diagrams for Apple AirPods Pro MWP22H. Explore images, diagrams, and the SY3408 IC for a complete understanding.
Apple AirPods Pro Circuit Details
➔ Model Number: MWP22H
➔ Brand Name: Apple
➔ Main Board Number: XHH - ZJ5DJ
➔ Battery Voltage: 3.7V
➔ Battery Capacity (Ampere): 1000mAh
➔ Power IC / Control IC Number: SY3408 - 2317A5 - 60M198
➔ Sensor Ic Number: 0155
Introducing this Apple Model MWP22H, a cutting-edge device designed for optimal performance and efficiency. With its robust engineering and innovative features, this model showcases Apple's commitment to quality and user satisfaction.
At the heart of the MWP22H is the advanced main board (XHH - ZJ5DJ), designed to provide seamless integration and superior functionality. This model is powered by a reliable 3.7V battery with a capacity of 1000mAh, ensuring long-lasting usage for all your daily needs. Whether you're browsing, streaming, or multitasking, this device delivers impressive battery life, minimizing the need for frequent recharges.
The MWP22H is equipped with a sophisticated Power IC (SY3408 - 2317A5 - 60M198), which optimizes power management and enhances the device's overall performance. This IC is crucial for efficient energy use, allowing users to enjoy their devices without worrying about excessive power consumption.
In addition to its powerful battery and control systems, the MWP22H features a high-performance sensor IC (0155). This component is designed to enhance the device's responsiveness and accuracy, enabling a smooth user experience. Whether it's for touch sensitivity or environmental interaction, the sensor IC ensures that every interaction feels intuitive and precise.
#Internal Power Control Circuit Details :
★ 1. Battery Specifications:
Battery Voltage: 3.7V
Battery Capacity (Ampere): 1000mAh
This AirPods Pro is a 3.7-volt lithium-ion battery with a capacity of 1000mAh. This battery powers the entire device circuit, power IC, and provides the power required to operate the sensors and Bluetooth communication.
★ 2. Transistors:
➔ Transistor: 2 Transistor
➔ Transistor Number: A25MB, 1AM
The power control circuitry contains two transistors, A25MB and 1AM. Transistors play a crucial role in switching and amplification, controlling the current flow in different parts of the circuit.
➔ A25MB: Likely a PNP/NPN transistor used for switching purposes. It could be part of the battery charging or voltage regulation circuit.
1AM: Another transistor, potentially performing a similar switching role or working in the amplification stages.
Transistors are pivotal components in circuits for managing electrical signals, either as amplifiers or switches.
★ 3. Coil: Boost Coil (Inductor) :
➔ Coil Number: 2R2
The Boost Coil labelled 2R2, is an inductor that plays a significant role in voltage regulation, especially in boosting low voltages to higher levels. Inductors store energy in a magnetic field when current flows through them. In power circuits, inductors are used for smoothening or increasing voltage as part of DC-DC boost converters.
2R2 indicates the inductance value, usually denoted in microhenries (µH). This specific coil could be a part of the voltage boost converter circuit, which elevates the battery's voltage to a required level for other components.
★ 4. Power IC / Control ic (8 Pin):
➔ IC Number: SY3408 - 2317A5 - 60M198
The SY3408 is an 8-pin power management IC that controls the power distribution within the device. Power management ICs are responsible for regulating the power supplied to various components and ensuring stable operation, even under varying power conditions.
➔ SY3408: A highly integrated power control IC designed for portable electronics.
It could be responsible for battery charging, managing different power rails, and controlling the voltage regulation circuitry.
This IC might also feature overcharge protection, under-voltage protection, and temperature monitoring.
★ 5. Sensor:
➔ Sensor Ic Number: 0155
This sensor labelled 0155 likely refers to an integrated circuit responsible for detecting proximity or other environmental factors like motion or acceleration etc. In this AirPods Pro, sensors are crucial for enabling features such as in-ear detection and pause music when the AirPods are removed.
Front Side Circuit Image
Back Side Circuit Image
Sensor With LED Glow Image
★ 6. Power IC/Audio IC :
➔ IC Number: BPIT573 - 8302
The BPIT573 - 8302 IC acts as the main power and audio processing unit. In AirPods, the audio IC handles decoding digital audio signals and converting them into analogue signals that the speakers can produce.
This IC could also manage power distribution to the audio circuitry, enhancing audio fidelity while maintaining energy efficiency.
➔ BPIT573: Likely a custom IC designed by Apple or its partners, optimizing power consumption while maintaining high-quality audio output.
★ 7. Microphone (Mini Microphone):
These airpods have a small mic installed, which is also called an SMD microphone.
➔ Noise Cancellation: This microphone cancels noise sounds and captures useful sounds.
➔ Voice Commands: These microphones pick up the user’s voice for Siri commands or phone calls.
★ 8. Internal Burds Battery (40mAh):
The smaller internal battery inside the buds is rated at 40mAh. This battery is responsible for powering the individual bud, ensuring continuous operation for extended periods while maintaining minimal weight.
internal buds Battery Voltage: 3.7V
internal buds Battery Ampere: 40mAh
This small battery allows the earbuds to be lightweight and comfortable while offering enough power to support wireless connectivity, audio processing, and sensing functions.
★ 9. Speaker – 19 Ohm Speaker:
This speaker of this AirPods Pro uses 19-ohm speakers to deliver high-fidelity sound. This speaker impedance of 19 ohms indicates the resistance encountered by the audio signal driving the speaker.
➔ Impedance Matching: The 19-ohm impedance likely matches the audio IC's output for optimal power delivery and sound quality.
➔ High-Fidelity Audio: The speaker unit ensures clear treble and deep bass, delivering the signature sound quality Apple is known for.
★ 10. Crystal Oscillator: 24.000 MHz
This 24.000 MHz crystal oscillator provides the reference clock Signal for the Bluetooth chipset and other timing-critical circuits.
➔Crystal Oscillator Frequency: 24.000 MHz
This high-frequency crystal Oscillator ensures the AirPods maintain accurate timing and synchronization processes with connected devices for seamless/nonstop audio playback and low-invisibility communication.
Burds Internal Circuit Image-Back View
➔ Battery Charging: The power IC ensures that the internal batteries (both 1000mAh and 40mAh) are charged optimally, avoiding overcharge while providing a quick recharge time. Lithium-ion batteries are sensitive to charging cycles, and the power IC likely incorporates multiple safeguards to preserve battery health.
➔ Boost Converter: The boost coil (2R2) and transistors work with the power IC to increase the battery’s 3.7V output to higher voltages if needed for certain components like the Bluetooth chipset or audio IC.
➔ Sensing and Environmental Interaction
The sensors (0155) integrated into the AirPods Pro are responsible for detecting user interaction. These sensors likely include:
➔ Proximity Sensing: To detect when the AirPods are inside or outside the ear, enabling auto-play and pause functionality.
➔ Accelerometers: For detecting motion, which could be used for gesture controls or tracking head movement for spatial audio features.
The synergy between these sensors and the control ICs enables the advanced functionality AirPods Pro is known for, such as adaptive noise cancellation and spatial audio.
➔ Audio and Bluetooth Processing:
The BPIT573 - 8302 IC serves as the heart of the audio system. It processes incoming Bluetooth audio streams, decodes them, and passes them to the speakers. This IC ensures low latency and high-quality sound by leveraging sophisticated audio codecs.
➔ Bluetooth Communication: The Bluetooth chipset, though referred to as v2 here, likely encompasses more advanced features such as the AAC codec, which ensures high-quality audio transmission over a wireless connection.
Buds Internal Board - Font Side
FAQs
❖ Question: Can AirPods Pro be repaired?
Answer: Can AirPods Pro be repaired?
Yes, AirPods Pro can be repaired. You can repair it yourself by following this post carefully.
❖ Question: Are AirPods expensive to fix?
Answer: No. Are AirPods expensive to fix? You can fix it in very little time and at little cost.
❖ Question: What is the sensor on AirPods Pro?
Answer: 0155 (magnet Sensor)
❖ Question: How do AirPods work with Android?
Answer: as Bluetooth
❖ Question: How to tell if AirPod Pros are fake?
Answer: The internal circuit can be understood by checking and seeing the circuit made.
❖ Question: How to open AirPods to clean
Answer: If you take the thinner and press the top with the opener on all four sides, then these AirPods will be opened. And you can clean it with a brush.
❖ Question: How far is the frequency of AirPods?
Answer: 24 mHz
❖ Question: What causes AirPods to stop working?
Answer: Battery Problem.
❖ Question: What is the maximum range of AirPods?
Answer: 2 side 24mHz.
❖ Question: Should Apple XHH-ZJ5DJ EarPods be wired?
Answer: Click Here And Read Step By Step
❖ Question: Where can I find the AirPods Pro Main IC pinout?
Answer: Click Here And u find AirPods Pro Main IC pinout
❖ Question: What Is The Airpods Pro CPU IC Number?
Answer:
❖ Question: How to Download Apple AirPods Pro Circuit Schematic Diagram & Datasheet in PDF?
❖ Question: What Is The Name Of Apple Earbuds Sensor?
Answer: Proximity Sensor
❖ Question: What is the Number Of Apple Earphones Sensors?
Answer: Sensor Number Is 0155
❖ Question: How many watts of airpod charger should be used?
Answer: Upto 10.5 Watt
Voltage=5.2v
Ampere= 2A
Watt=V/I
=10.5w
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