Portable Audio Amplifier with Auto Audio Control 1S1P BMS Reference Design

(ACTIVE) TIDA-01182

Description & Features

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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

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (11)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ25895  Single Cell 5A Fast Charger MaxCharge™ Technology for High Input Voltage and 3.1A Boost  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ27426  Single cell System-Side Battery Fuel (Gas) Gauge w/Pre-programmed Chemistry Profile  Battery management  Sample & Buy View Design Kits & Evaluation Modules
BQ2970  Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family  Battery management  Sample & Buy View Design Kits & Evaluation Modules
CSD16323Q3  N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy Not Available
CSD17578Q5A  CSD17578Q5A 30 V N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy Not Available
DAC081C085  8Bit Micro Pwr DAC w/ I2C-Compatible Interface & External Reference  Digital-to-analog converters (DACs)  Sample & Buy Not Available
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5735  MSP430FR5735 24 MHz ULP microcontroller with 8 KB FRAM, 1 KB SRAM, 32 IO, 10-bit ADC and comparator  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
PCA9306  2-Bit Bidirectional I2C Bus and SMBus Voltage-Level Shifter  I2C  Sample & Buy View Design Kits & Evaluation Modules
TPA3004D2  12-W StereoClass-D Audio Power Amplifier with Volume Control (TPA3004)  Audio amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPS782-Q1  500nA, IQ 150mA, Ultra-Low Quiescent Current Low-Dropout Linear Regulator for Automotive  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
BQ25895 Download Download
BQ27426 Download -
BQ2970 Download Download
CSD16323Q3 VSON-CLIP (DQG)| 8 Download Download
CSD17578Q5A VSONP (DQJ)| 8 Download Download
DAC081C085 Download Download
LM3481 Download Download
MSP430FR5735 Download -
Download -
PCA9306 Download Download
Download Download
Download Download
Download -
Download -
Download -
TPA3004D2 Download -
TPS782-Q1 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 13752 08 Dec 2016 51
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 2834 15 Dec 2016 1 1
ZIP 1721 15 Dec 2016 8
PDF 2934 15 Dec 2016 1 1
PDF 500 15 Dec 2016 1 1
PDF 80 15 Dec 2016 1 1
PDF 1310 15 Dec 2016 32

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