Portable Audio Amplifier with Auto Audio Control 1S1P BMS Reference Design
TIDA-01182
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Key Document
Description
High performance, 10Watt (5W per speaker) portable audio amplifier that includes everything you need to implement a BMS (Battery Management Solution) for a portable audio amplifier (including a Charger, Fuel (Gas) Gauge and Protection for a 1S1P 18650 2400mAh Lithium battery) for a Class D Audio Amplifier. Get extended operating time by using efficient power regulators, Class D amplifier and proper battery management.
Features
- High performance, 10Watt (5W per speaker) portable audio amplifier
- Includes everything that is needed for a battery management solution for a portable audio amplifier (charger, fuel (gas) gauge and protection for a 151P 18650 lithium battery)
- Class D audio amplifier 0.01% THD
- Extended play time due to high efficiency and proper battery management techniques
- Ultra-low power MSP430 microcontroller
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Schematic/Block Diagram
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Design Guide
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TI Devices (11)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| BQ25895 |
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| BQ27426 |
Single cell System-side battery fuel (gas) gauge w/Pre-programmed chemistry Profile |
Battery management ICs |
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| BQ2970 |
Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family |
Battery management ICs |
Sample & Buy |
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| CSD16323Q3 |
25V, N ch NexFET MOSFET™, single SON3x3, 5.5mOhm |
MOSFETs |
Sample & Buy |
Not Available |
| CSD17578Q5A |
30V, N ch NexFET MOSFET™, single SON5x6, 9.3mOhm |
MOSFETs |
Sample & Buy |
Not Available |
| DAC081C085 |
8Bit Micro Pwr DAC w/ I2C-Compatible Interface & External Reference |
Digital-to-analog converters (DACs) |
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Not Available |
| LM3481 |
2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback |
Step-up (boost) regulators |
Sample & Buy |
View Design Kits & Evaluation Modules |
| MSP430FR5735 |
24 MHz MCU with 8KB FRAM, 1KB SRAM, 10-bit ADC , Comparator, UART/SPI/I2C, Timer |
Microcontrollers (MCUs) |
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| PCA9306 |
2-bit bidirectional I2C bus and SMBus voltage-level shifter |
I2C ICs |
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| TPA3004D2 |
12-W stereo, 8.5- to 18-V supply, analog input Class-D audio amplifier w/ volume control |
Audio amplifiers |
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| TPS782-Q1 |
Automotive 150-mA, nano-IQ, low-dropout voltage regulator with enable |
Power management |
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Not Available |
CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 13752 |
08 Dec 2016
|
Design files (6)
| | ZIP | 2834 |
15 Dec 2016
|
| | ZIP | 1721 |
15 Dec 2016
|
| | PDF | 2934 |
15 Dec 2016
|
| | PDF | 500 |
15 Dec 2016
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| | PDF | 80 |
15 Dec 2016
|
| | PDF | 1310 |
15 Dec 2016
|
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