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A multimedia player based on the Jieli JL AC6955F development, supporting Bluetooth 5.1 and SD card playback. Include lithium battery charging IC (TP4054) and Type-C interface for power supply.
Schematic JL AC6955F Bluetooth 5.1 audio module + SD card + tp4054 battery charger
![Schematic Jl Ac6955F Bluetooth 5.1 Audio Module Sd Card Ac6955F Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card Playback 1 Amplifier, Audio, Audio Module, Bluetooth, Circuits, Digital Audio, Module, Pre, Pre-Amplifier, Preamplifier Schematic Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card](https://edzto98unzj.exactdn.com/wp-content/uploads/2023/11/Schematic-JL-AC6955F-Bluetooth-5.1-audio-module-SD-card-800x564.png?strip=all&lossy=1&quality=75&sharp=1&ssl=1)
JL AC6955F is Jieli new generation Bluetooth speaker chip, with the following features:
- Supports Bluetooth 5.1, supports Bluetooth dual mode (classic Bluetooth+EDR+Bluetooth Low Energy);
- Supports multiple audio formats, including MP3, wav, flac, and ape lossless decoding;
- Supports serial AT command control;
- Multi-functionality, supports Bluetooth audio, card music reading, and other modes.
This player has verified the Bluetooth and TF card audio playback functions and performs well.
![Ac6955F Bluetooth 5.1 Audio Module Sd Card Battery Ac6955F Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card Playback 2 Amplifier, Audio, Audio Module, Bluetooth, Circuits, Digital Audio, Module, Pre, Pre-Amplifier, Preamplifier Ac6955F Bluetooth 5.1 Audio Module + Sd Card Battery](https://edzto98unzj.exactdn.com/wp-content/uploads/2023/11/AC6955F-Bluetooth-5.1-audio-module-SD-card-battery-800x600.jpeg?strip=all&lossy=1&quality=75&sharp=1&ssl=1)
The detailed parameters of the design are as follows:
- There are 4 function buttons on the right side of the board for function switching, song switching, and play/pause functions;
- Uses a Type-C interface for power supply to the player;
- On-board lithium battery charging IC (TP4054), supports battery power supply (recommended battery capacity of 400mAh);
- Added a power switch to completely cut off battery power when not in use, extending battery life;
- Reserved a serial port for debugging, controlling the AC6955F through AT commands.
About Jieli AC6955F Bluetooth chip
![Jieli Ac6955F Bluetooth Chip Ac6955F Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card Playback 3 Amplifier, Audio, Audio Module, Bluetooth, Circuits, Digital Audio, Module, Pre, Pre-Amplifier, Preamplifier Jieli Jl Ac6955F Bluetooth Chip](https://edzto98unzj.exactdn.com/wp-content/uploads/2023/11/Jieli-AC6955F-Bluetooth-chip-800x800.webp?strip=all&lossy=1&quality=75&sharp=1&ssl=1)
About IC TP4054
The IC TP4054 is a specialized integrated circuit that is commonly used in battery charging applications. It is particularly designed for single-cell lithium-ion or lithium-polymer batteries. The IC TP4054 offers a highly efficient and compact solution for charging these types of batteries, as it integrates various functions and features into a single chip. It includes a programmable constant current (CC) and constant voltage (CV) charging algorithm, which ensures safe and optimal charging of the battery. The IC TP4054 also incorporates built-in safety features such as overcharge protection, over-discharge protection, and thermal regulation, which help prevent potential damage to the battery. Additionally, its small footprint and low power consumption make it suitable for a wide range of portable electronic devices, including smartphones, tablets, and wearable devices. Overall, the IC TP4054 is a reliable and convenient charging solution that effectively manages lithium-ion or lithium-polymer batteries, ensuring their longevity and optimal performance.
![Ac6955F Bluetooth 5.1 Audio Module Sd Card Pcb Bottom Ac6955F Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card Playback 4 Amplifier, Audio, Audio Module, Bluetooth, Circuits, Digital Audio, Module, Pre, Pre-Amplifier, Preamplifier Ac6955F Bluetooth 5.1 Audio Module + Sd Card Pcb Bottom](https://edzto98unzj.exactdn.com/wp-content/uploads/2023/11/AC6955F-Bluetooth-5.1-audio-module-SD-card-pcb-bottom-800x600.jpeg?strip=all&lossy=1&quality=75&sharp=1&ssl=1)
Bom AC6955F Bluetooth 5.1 audio module + SD card playback + battery charger
Quantity | Designator | Description | Value |
Resistors | |||
3 | R1, R5, R8 | 0402 | 1K |
3 | R2, R6, R12 | 0402 | 0 |
1 | R3 | 0402 | 3.3k |
1 | R4 | 0402 | 6.8k |
1 | R7 | 0402 | 9.1k |
1 | R9 | 0402 | 15k |
1 | R10 | 0402 | 24k |
1 | R11 | 0402 | 22k |
Capacitors | |||
1 | C1 | 0402 | 2.7pF |
7 | C2,C3,C4,C5,C6,C7,C8 | 0402 | 1uF |
2 | C9,C10 | CASE-B-3528 Tantalum Capacitors | 100uF/6.5V |
Semiconductors | |||
1 | D1 | 40V Schottky Barrier Diodes (SBD) | 1N5819WS S4 – SOD-323 |
2 | LED1,LED2 | 0603 | Red Led |
1 | U1 | JIELI qsop24 32 bits DSP Bluetooth | AC6955F |
1 | U2 | SOT-23-5 Battery Management | TP4054-42-SOT25R |
Miscellaneous | |||
1 | USB1 | Type-C SMD USB Connectors 16 pin | TYPE-C 16PIN 2MD (073) |
1 | CARD1 | SMD SD Card Connectors | TF-01A |
1 | F1 | 6V 0.5A 40A 1A 0603 Resettable Fuses | JK-SMD0603-050-6 |
4 | SW1,SW2,SW4,SW5 | KEY-SMD_TX-1010-X-X | SMD Tactile Switches |
1 | SW3 | SMD Slide Switches | SK-3296S-01-L1 |
1 | H1 | Pin Headers | 2.54_1×4P |
1 | J1 | headphone jack | PJ-3420-A-SMT |
1 | X1 | M49SMD Crystal | 24MHz |
Download files, links, and notes for AC6955F Bluetooth 5.1 audio module + SD card playback
![Ac6955F Bluetooth 5.1 Audio Module Sd Card 3D Pcb Ac6955F Jl Ac6955F Bluetooth 5.1 Audio Module + Sd Card Playback 5 Amplifier, Audio, Audio Module, Bluetooth, Circuits, Digital Audio, Module, Pre, Pre-Amplifier, Preamplifier Ac6955F Bluetooth 5.1 Audio Module + Sd Card 3D Pcb](https://edzto98unzj.exactdn.com/wp-content/uploads/2023/11/AC6955F-Bluetooth-5.1-audio-module-SD-card-3d-pcb-800x649.png?strip=all&lossy=1&quality=75&sharp=1&ssl=1)
Download PCB in Gerber and PDF
Source: https://oshwhub.com/xyzdiy/ac6955_bluetooth_audio