TIDA-010224

Low-power wireless camera reference design for extended battery life

TIDA-010224

Design files

Overview

This reference design provides a solution for a battery-operated wireless camera by combining industry-leading image processing, connectivity, sensor and power. High-efficiency power converters along with optimized system architecture help to increase battery life. The image
processor with a Wi-Fi® connectivity device enables secure high-quality live video streaming and two-way audio streaming with noise reduction and echo cancellation. The design includes infrared (IR) LED and IR cut filters to enable night vision capability.

Features

Full camera reference design to reduce new product development cycle
Integrates ambient light sensing, IR LED driver, and motorized IR cut filter for day and night vision
SimpleLink Wi-Fi connectivity over 802.11 A, B, G and N networks from any smart phone, tablet, or computer over local network, concurrent multiprotocol for both sub-1 GHz and 2.4 GHz
Power tree to support either USB or battery; low-power architecture using efficient DC/DC converters for longer battery life
Multiple options for camera wakeup: PIR, sub-1 GHz, or doorbell
Wi-Fi devices complement low-power architecture: at least 50% lower current consumption during beacon and at least 30% lower current consumption during video streaming

Industrial

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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

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Design guide — TIDA-010224

PDF | HTML

TIDUEZ4.PDF (8360 K)

Reference design overview and verified performance test data

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Schematic — TIDA-010224

TIDM889.PDF (1127 K)

Detailed schematic diagram for design layout and components

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Bill of materials (BOM) — TIDA-010224

TIDM890.PDF (227 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

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Assembly drawing — TIDA-010224

TIDM891.ZIP (613 K)

Detailed overview of design layout for component placement

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CAD/CAE symbol — TIDA-010224

TIDM893.ZIP (5941 K)

Files used for 3D models or 2D drawings of IC components

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Gerber file — TIDA-010224

TIDCG13.ZIP (2463 K)

Design file that contains information on physical board layer of design PCB

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PCB layout — TIDA-010224

TIDM892.ZIP (2496 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Wi-Fi products

CC3235MODS — SimpleLink™ 32-bit Arm Cortex-M4 dual-band Wi-Fi CERTIFIED™ wireless module with 256kB RAM

Data sheet: PDF | HTML

Boost converters (integrated switch)

TLV61048 — 14-V output voltage non-synchronous boost converter in SOT-23 package

Data sheet: PDF | HTML

Brushed DC (BDC) motor drivers

DRV8837C — 12-V, 1-A H-bridge motor driver

Data sheet: PDF | HTML

Buck converters (integrated switch)

TPS62825 — 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN

Data sheet: PDF | HTML

Buck converters (integrated switch)

TPS62840 — 60-nA quiescent current (IQ), 1.8-V to 6.5-VIN, high-efficiency 750-mA step-down converter

Data sheet: PDF | HTML

Buck-boost, inverting & split-rail converters (integrated switch)

TPS63802 — 2-A, high-efficient, 11-µA quiescent current buck-boost converter in QFN/DFN package

Data sheet: PDF | HTML

Buck-boost, inverting & split-rail converters (integrated switch)

TPS63900 — 1.8-V to 5.5-V, 75-nA IQ buck-boost converter with input current limit and Dynamic Voltage Scaling

Data sheet: PDF | HTML

Buck-boost, inverting & split-rail converters (integrated switch)

TPS63901 — 5.5-V buck-boost converter with 75-nA operating IQ in WCSP package

Data sheet: PDF | HTML

Ideal diode/ORing controllers

LM66100 — 1.5-V to 5.5-V, 1.5-A, 0.5-µA IQ ideal diode with integrated FET

Data sheet: PDF | HTML

Light sensors

OPT3004 — Digital ambient light sensor (ALS) with increased angular IR rejection

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TPS7A03 — 200mA nanopower-IQ (200nA) low-dropout (LDO) voltage regulator with enable

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

TPS7A20 — 300-mA ultra-low-noise low-IQ low-dropout (LDO) linear regulator with high PSRR

Data sheet: PDF | HTML

Load switches

TPS22919 — 5.5-V, 1.5-A, 90-mΩ load switch with adj. output discharge

Data sheet: PDF | HTML

Speaker amps

TPA2011D1 — 3.2-W, mono, analog input Class-D audio amplifier with auto-recovering short-circuit protection

Data sheet: PDF | HTML

Sub-1 GHz wireless MCUs

CC1352R — SimpleLink™ 32-bit Arm Cortex-M4F multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 352kB Flash

Data sheet: PDF | HTML

Start development

Software

Support software

TIDA-010224-WCM-SW — TIDA-010224 Software

Supported products & hardware

Products

Buck-boost, inverting & split-rail converters (integrated switch)

TPS63901 — 5.5-V buck-boost converter with 75-nA operating IQ in WCSP package

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TIDA-010224-WCM-SW — TIDA-010224 Software

Latest version

Version: 01.00.00.00

Release date: 10 Jun 2021

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TIDA-010224 Software (zip) — 3770 K

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Products

Buck-boost, inverting & split-rail converters (integrated switch)

TPS63901 — 5.5-V buck-boost converter with 75-nA operating IQ in WCSP package

Technical documentation

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	Type	Title		Date
*	Design guide	Low-Power Wireless Camera Reference Design for Extended Battery Life	PDF \| HTML	May 19, 2021
	Application note	TIDA-010224 Additional Information for Low-Power Consumption Design	PDF \| HTML	Nov. 23, 2022

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