Charger IC Lithium Ion/Polymer 16-WQFN (3x3) The BQ25302RTER is a highly integrated single-cell lithium-ion and lithium-polymer battery charger and power-path management IC developed by Texas Instruments. The device is optimized for compact portable and wearable applications requiring efficient battery charging from USB or low-voltage DC power sources. It integrates a switching charger, power-path management, system voltage regulation, battery FET, and protection features into a compact package suitable for space-constrained designs. The device supports programmable charging current and voltage regulation while maintaining high power conversion efficiency through its switching charger architecture. Integrated power-path management allows the system load to operate simultaneously while charging the battery, improving system reliability and startup behavior when the battery is deeply discharged or absent. The BQ25302RTER includes input current limiting, thermal regulation, battery temperature monitoring support, and multiple safety timers to ensure safe charging operation. The charger automatically manages preconditioning, fast charging, charge termination, and recharge cycles for lithium-based battery chemistries. The device also supports USB-compliant input operation and includes configurable features through an I2C-compatible interface. Its compact WQFN package and high integration level reduce external component count and PCB area, making it suitable for wearable electronics, portable medical devices, IoT products, handheld instruments, wireless accessories, and battery-powered embedded systems. Electrical Characteristics Input operating voltage supports standard USB and low-voltage DC input sources suitable for portable electronics applications. Supports single-cell lithium-ion and lithium-polymer battery charging with programmable charge voltage regulation. Integrated high-efficiency switching charger architecture minimizes power dissipation and improves thermal performance compared to linear chargers. Programmable fast-charge current supports flexible battery capacity scaling and application-specific charging requirements. Integrated power-path management allows simultaneous battery charging and system power delivery. Includes programmable input current limiting to support USB current compliance and adapter protection. Automatic charge cycle management includes precharge, fast charge, termination, and recharge operation. Supports battery temperature qualification using external thermistor monitoring. Integrated thermal regulation dynamically reduces charge current during high-temperature operating conditions. Low quiescent current operation improves standby battery life in portable products. Protection Features Integrated overvoltage protection for input power safety. Battery overcurrent and short-circuit protection enhance system reliability. Thermal shutdown circuitry protects the device during excessive junction temperature conditions. Safety timers monitor charging duration and prevent abnormal charging operation. Input current limiting protects USB ports and weak power adapters from overload conditions. Undervoltage lockout prevents improper operation during insufficient input supply conditions. Interface and Control I2C-compatible serial interface enables configuration and monitoring of charger parameters. Status reporting supports system-level battery and charging management. Programmable charging parameters allow firmware-controlled optimization for different battery chemistries and capacities. Interrupt and status functions support embedded power management architectures. Package Information Supplied in a compact WQFN package optimized for portable and space-constrained PCB layouts. Package design supports efficient thermal dissipation and automated surface-mount assembly processes. RoHS-compliant and suitable for modern lead-free manufacturing requirements. Typical Applications Wearable electronics Wireless earbuds and audio accessories Portable medical devices IoT and embedded battery-powered systems Handheld consumer electronics Portable instrumentation Rechargeable sensor modules Compact USB-powered battery charging systems #CommonPartsLibrary #IntegratedCircuit #PowerManagement #battery charger

I²C-Controlled Single-Cell Buck Battery Charger IC with Power Path Management – Highly integrated switch-mode battery charger for single-cell Li-Ion/Li-Polymer batteries used in portable electronics, IoT devices, wearables, handheld terminals, medical devices, and embedded battery-powered systems. Operates from a 3.5 V to 18 V input supply and delivers up to 2 A programmable charging current with support for USB and adapter inputs. Features NVDC power-path management, I²C interface, integrated power MOSFETs, narrow VDC architecture, dynamic power management, input current optimization, buck charging efficiency up to 93%, and an integrated 12-bit ADC for monitoring battery voltage, charge current, input voltage/current, system voltage, and temperature. Includes JEITA temperature profile support, programmable charging parameters, USB OTG boost mode (5 V output), power-good indication, and comprehensive protection including overvoltage, overcurrent, thermal regulation, thermal shutdown, watchdog timer, and short-circuit protection. Operates over a −40°C to +85°C temperature range and is housed in a compact 18-pin WQFN-HR (3 × 2.5 mm) package. #TexasInstruments #BQ25628ERYKR #BQ25628E #BatteryCharger #LiIonCharger #PowerPathManagement #BuckCharger #USBOTG #I2C #PowerManagement #PortableElectronics #EmbeddedSystems

Tiny, Low-Cost, PCM Class D Amplifier with Class AB Performance The MAX98357AETE+T is a highly integrated digital input Class-D audio amplifier designed to convert digital audio streams directly into high-efficiency speaker output signals. It features an integrated digital-to-analog conversion stage and Class-D output driver, eliminating the need for an external DAC and significantly simplifying audio system design. The device accepts digital audio data through a standard I²S interface and delivers high-quality audio output suitable for portable electronics, smart speakers, embedded systems, Internet of Things devices, multimedia products, and consumer audio equipment. Its high-efficiency architecture minimizes power dissipation while maintaining excellent audio performance, making it particularly suitable for battery-powered applications. The MAX98357AETE+T incorporates advanced audio processing capabilities, low electromagnetic interference characteristics, and integrated protection features to ensure reliable operation in compact embedded audio designs. Features Digital input Class-D audio amplifier Integrated digital-to-analog conversion functionality Direct I²S audio interface support High-efficiency power amplification architecture Filterless output design Compact surface-mount package Low electromagnetic interference operation Integrated click-and-pop suppression Low power consumption High audio fidelity performance Simplified external component requirements Integrated thermal protection Short-circuit protection capability Suitable for mono speaker applications Optimized for embedded audio systems Electrical Characteristics Digital audio input architecture Class-D switching amplifier topology High-efficiency power conversion Low distortion audio reproduction Wide operating supply range Low standby power consumption Direct speaker drive capability Integrated audio signal processing functions Applications Smart speakers Embedded audio systems Internet of Things devices Portable electronics Voice-enabled products Multimedia equipment Consumer audio devices Wireless audio products Home automation systems Educational and development platforms Battery-powered audio applications Human-machine interface systems Package Information TQFN surface-mount package Compact footprint for space-constrained designs Suitable for automated PCB assembly Thermally optimized package construction High-density electronic product integration #commonpartslibrary #integratedcircuit #audio #audioamplifier #classd amplifier #digitalaudio #i2s #dac #embeddedaudio #consumerelectronics #iot #multimedia #signalprocessing #powermanagement #maximintegrated #analogdevices #electronicsdesign #audioelectronics #speakerdriver #embeddedsystems

555 Type, Timer/Oscillator (Single) IC 2.1MHz 8-SOIC The TLC555IDR is a low-power CMOS timer device designed as a functional replacement for the standard bipolar 555 timer while providing significantly reduced supply current and improved operating efficiency. The device supports both astable and monostable operating modes and is commonly used for timing generation, pulse shaping, oscillation, PWM generation, delay circuits, and frequency generation applications. The CMOS architecture enables low power consumption, rail-to-rail output capability, and stable timing performance over a wide operating voltage range. The device is suitable for battery-powered systems, portable electronics, industrial controls, instrumentation, consumer products, and embedded electronic designs. The TLC555IDR is supplied in a compact SOIC surface-mount package intended for automated PCB assembly and space-constrained applications. Electrical Characteristics CMOS low-power timer architecture Functional equivalent to standard 555 timer devices Wide operating supply voltage range Low quiescent supply current High input impedance Rail-to-rail output swing capability Stable threshold and trigger levels Compatible with TTL and CMOS logic levels Capable of astable and monostable operation Adjustable duty cycle and frequency operation High output drive capability for direct interfacing Low noise and improved switching performance compared to bipolar 555 timers Functional Features Precision timing generation Oscillator and clock generation Pulse-width modulation support One-shot pulse generation Delay timer implementation Missing pulse detection Frequency divider implementation Sequential timing control LED flashing and tone generation PWM motor and power control applications Package Information Surface-mount SOIC package Standard tape-and-reel packaging format Compact footprint for automated assembly RoHS compliant device construction Environmental and Operating Conditions Industrial operating temperature range ESD protection handling required Suitable for commercial and industrial embedded systems Designed for low-power electronic applications Typical Applications Timer circuits Pulse generators Oscillators PWM controllers LED flashers Alarm and tone generators Frequency generators Power management timing Embedded control systems Portable battery-powered electronics #commonpartslibrary #integratedcircuit #timer #oscillator

Authentication Chip 8-UDFN (2x3) The ATECC608B-MAHDA-S is a secure authentication and cryptographic co-processor designed for hardware-based security, device authentication, encrypted communication, and secure key storage in embedded systems and IoT applications. The device integrates advanced cryptographic functionality with protected non-volatile memory to provide a secure root of trust for connected devices. The integrated security engine supports public key cryptography, secure boot validation, message authentication, key generation, digital signatures, and encrypted data exchange. The device is optimized for low-power embedded applications requiring protection against counterfeiting, unauthorized access, firmware tampering, and network-based attacks. The ATECC608B-MAHDA-S supports industry-standard cryptographic algorithms and secure provisioning workflows, enabling secure authentication in cloud-connected systems, industrial automation, consumer electronics, and automotive embedded platforms. The compact surface-mount package and low-power operation make the device suitable for highly integrated embedded designs where hardware security and identity protection are critical requirements. Key Features Hardware-based cryptographic security device Secure key storage and management Integrated authentication engine Public key cryptography support Secure boot and firmware validation capability Digital signature generation and verification Hardware random number generator Encrypted communication support Tamper-resistant key protection Secure provisioning and device identity management Low-power operation for embedded systems I2C serial communication interface Compact surface-mount package IoT and cloud authentication support Electrical Characteristics Secure non-volatile key storage architecture Low operating power consumption Hardware cryptographic acceleration Secure internal key isolation Fast authentication processing capability Wide operating voltage support Industrial temperature operation compatibility High-reliability embedded security implementation Applications IoT device authentication Secure embedded systems Cloud-connected devices Secure boot implementations Firmware integrity verification Industrial automation systems Smart home products Medical electronics Automotive embedded security Asset tracking and identification Anti-counterfeiting systems Encrypted communication platforms Package Information Package Type: SOIC Mounting Type: Surface Mount Compact embedded security package RoHS compliant configuration available #commonpartslibrary #integratedcircuit #securityic #cryptography #iotsecurity #embeddedhardware #authentication #secureboot #hardwaresecurity #encryptedcommunication

Buck-Boost Switching Regulator IC Positive Adjustable 1.2V 1 Output 3.5A (Switch) 14-VFDFN Exposed Pad The TPS63020DSJT is a high-efficiency synchronous buck-boost DC-to-DC converter manufactured by Texas Instruments. This integrated power management device is designed to provide a stable regulated output voltage from input power sources that may vary above or below the desired output level. The converter automatically transitions between buck and boost operating modes to maintain efficient and continuous voltage regulation across a wide input range. The device integrates low-resistance power MOSFETs, advanced control circuitry, and high-efficiency switching architecture to minimize power loss and optimize battery utilization in portable electronic systems. It is widely used in battery-powered applications, embedded systems, wireless communication devices, portable instrumentation, industrial electronics, and USB-powered hardware requiring compact and reliable voltage regulation. The TPS63020DSJT is optimized for systems powered by single-cell lithium-ion, lithium-polymer, or multi-cell alkaline battery configurations. Its compact package and integrated functionality reduce external component count and simplify PCB layout while delivering high power conversion efficiency and low quiescent current performance. Engineering Specification Device Type Synchronous buck-boost DC-to-DC converter Power Conversion Topology Automatic buck and boost regulation architecture Input Characteristics Supports input voltages above or below regulated output voltage Output Characteristics Stable regulated DC voltage output Switching Technology Integrated synchronous MOSFET switching architecture Efficiency Characteristics High-efficiency power conversion for battery-powered systems Control Features Automatic operating mode transition and load regulation Power Consumption Low quiescent current operation for portable electronics Thermal Characteristics Integrated thermal management and protection features Protection Features Overcurrent protection Thermal shutdown Undervoltage lockout Short-circuit protection Package Type WSON surface-mount package Mounting Style Surface mount technology Applications Portable electronics Battery-powered systems Embedded hardware Wireless communication devices USB-powered electronics Industrial control systems Portable instrumentation IoT devices Consumer electronics Power management systems Manufacturer Texas Instruments #commonpartslibrary #buckboostconverter #dcdcconverter #powermanagement #texasinstruments #powerelectronics #powersupply #embeddedhardware #portableelectronics #batterypowered #surfaceountcomponents #electronicsdesign #voltageregulator #iothardware #industrialelectronics

Accelerometer X, Y, Z Axis ±2g, 4g, 8g 6.25Hz ~ 200Hz 12-LGA (2.2x2.3) The ADXL367BCCZ-RL7 is an ultra-low power, three-axis MEMS accelerometer developed by Analog Devices for motion sensing applications requiring extremely low energy consumption and high measurement stability. The device integrates precision acceleration sensing, embedded motion detection capabilities, and intelligent power management features within a compact surface-mount package suitable for portable and battery-operated systems. The accelerometer supports both I²C and SPI digital communication interfaces, enabling flexible integration with embedded processors, microcontrollers, and sensor hubs. Its architecture is optimized for continuous motion monitoring while maintaining exceptionally low current consumption, making it ideal for wearable electronics, asset tracking devices, medical monitoring equipment, industrial sensing systems, and Internet of Things platforms. The device incorporates embedded activity, inactivity, and wake-up detection functions that allow host processors to remain in low-power states until significant motion events occur. Integrated FIFO buffering and programmable interrupt functionality reduce processor overhead and improve overall system efficiency. The ADXL367BCCZ-RL7 is designed for robust operation across a wide operating temperature range and maintains high measurement accuracy with low noise and excellent long-term stability. The compact LGA package enables dense PCB layouts for space-constrained designs. Key Features Motion Sensing Three-axis digital accelerometer Selectable acceleration measurement ranges High-resolution motion detection Low noise sensing architecture Integrated temperature sensor Power Management Ultra-low power operation optimized for battery-powered systems Multiple operating and standby modes Autonomous motion-triggered wake-up capability Efficient duty-cycling support Digital Interfaces Supports SPI communication Supports I²C communication Programmable interrupt outputs Embedded FIFO data buffering Embedded Detection Functions Activity detection Inactivity detection Motion-triggered interrupt generation Autonomous wake-up monitoring Mechanical and Environmental Compact LGA surface-mount package High shock tolerance Wide operating temperature capability Suitable for portable and industrial environments Electrical Characteristics Supply Requirements Low-voltage digital supply operation Optimized for low-current embedded systems Stable operation across supported voltage range Sensor Performance High sensitivity stability Low offset drift Low output noise density Configurable output data rates Communication and Control Supported Interfaces SPI serial interface I²C serial interface Programmability Configurable measurement ranges Adjustable output data rates Programmable interrupt mapping FIFO configuration support Package Information Package Type LGA surface-mount package Mounting PCB surface mount compatible Suitable for automated assembly processes Typical Applications Wearable electronics Health and fitness monitoring Portable instrumentation Asset and condition monitoring Industrial sensing systems IoT sensor nodes Motion-activated devices Battery-powered embedded systems #commonpartslibrary #integratedcircuit #accelerometer #sensor