Charger IC Lithium Ion/Polymer 29-VQFN-HR (4x4) The BQ25792 is a switch-mode synchronous buck-boost charger with full power-path management. It can automatically regulate power flow between the input source, system load, and battery. It supports a wide input range and is designed for USB Type-C™ / USB Power Delivery (USB-PD) systems, enabling both charging and OTG (power output from battery) operation. ⭐ Key Features ⚡ High-performance charging Up to 5 A charge current Supports 1S to 4S battery packs High efficiency (up to ~96% under typical conditions) Programmable switching frequency: 750 kHz or 1.5 MHz 🔋 Wide input support Input voltage range: 3.6 V to 24 V Absolute max rating up to 30 V Supports USB adapters and barrel jack sources Detects USB charging standards (BC1.2, DCP, CDP, HVDCP, etc.) 🔄 Buck-boost power conversion Seamless buck, boost, and buck-boost operation Maintains stable system voltage even when battery is low or input varies 🔌 USB-PD / OTG support USB Power Delivery (PD 3.0 compatible) Supports OTG output (battery powers USB port) OTG voltage range: 2.8 V to 22 V 🧠 Intelligent power management NVDC power path management (system can run without battery) Dual-input power mux controller (select between two power sources) Battery supplement mode (prevents input overload) 📊 Monitoring & control Integrated 16-bit ADC for voltage, current, temperature monitoring Fully I²C configurable Autonomous or host-controlled operation 🛡️ Protection & safety Input and battery over-voltage/over-current protection Thermal regulation and shutdown Charging safety timer MOSFET protection (internal switching FETs included) 📦 Package 29-pin VQFN (4 mm × 4 mm) package Industrial temperature range: -40°C to 85°C #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-charger

DiodesZetex 74LVC1G32W5-7, OR 2 Input OR, 1.65 5.5 V, 5-Pin SOT-25 #CommonPartsLibrary #IntegratedCircuit #Logic

Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-TSSOP-EP Synchronous 4-switch buck-boost controller that regulates output voltage and either output or input current with input voltages above, below, or equal to the output voltage. It supports operation up to 60 V, features an adjustable and phase-lockable switching frequency from 100 kHz to 650 kHz, ±2% output voltage accuracy (1 V to 60 V), split gate-driver outputs, selectable dead time, and is housed in a 38-lead TSSOP-EP package. #PowerManagementIC #DCDCController #BuckBoostController #SynchronousController #AnalogDevices

Charger IC Lithium Ion 16-VQFN (3x3) The BQ24075RGTR is a standalone linear charger and power-path management integrated circuit developed by Texas Instruments for single-cell lithium-ion and lithium-polymer battery applications. The device is designed for portable and space-constrained electronic systems requiring efficient battery charging, USB compatibility, and simultaneous system power delivery. The integrated dynamic power-path management architecture enables the system load to be powered while independently charging the battery. The charger supports operation from either a USB power source or an external adapter and includes programmable charging and input current limiting functions for optimized power management. The device incorporates multiple protection and monitoring features including thermal regulation, overvoltage protection, reverse current protection, battery temperature monitoring, and safety timers. The BQ24075RGTR also provides battery disconnect capability through the SYSOFF control function, making it suitable for low-power and portable embedded designs. Typical applications include portable consumer electronics, handheld instruments, wearable devices, wireless accessories, battery-powered IoT equipment, medical portable systems, and embedded rechargeable products. Device Features Standalone single-cell lithium-ion and lithium-polymer battery charger Integrated power-path management architecture Simultaneous battery charging and system power support USB-compatible input current limiting Programmable fast-charge current capability Dynamic power management for unstable or limited input sources Battery temperature monitoring through external thermistor input Integrated thermal regulation and protection mechanisms Reverse current, short-circuit, and input overvoltage protection Programmable safety timers for pre-charge and fast-charge modes Charging status and power-good indication outputs Battery disconnect functionality through SYSOFF control Compact surface-mount VQFN package implementation Electrical Characteristics Designed for single-cell lithium-ion or lithium-polymer batteries Fixed battery regulation voltage suitable for standard single-cell charging Supports USB and external adapter input operation Linear charging topology Wide operating temperature range for portable and industrial applications Programmable input current limit for USB compliance and adapter compatibility Package Information Package Type: VQFN Pin Configuration: Sixteen-pin package Mounting Style: Surface mount Package Dimensions: Compact three-millimeter square footprint Functional Overview The BQ24075RGTR manages power distribution between the external input source, the system load, and the rechargeable battery. When external power is present, the device prioritizes powering the system while charging the battery according to programmable charging parameters. Dynamic power management prevents excessive loading of weak USB or adapter sources by automatically reducing charging current when necessary. Thermal regulation circuitry continuously monitors device temperature and adjusts charging operation to maintain safe operating conditions. Additional integrated protection functions ensure reliable operation during fault conditions such as input overvoltage, battery temperature abnormalities, reverse current flow, and output short circuits. #commonpartslibrary #integratedcircuit #powermanagement

TERM BLOCK HDR 4POS 3.81MM 4-pole 3.81 mm field wiring connector template for digital input, analog input, I2C, or serial channels 4-pin terminal block field wiring connector

Inverter IC 6 Channel Schmitt Trigger 14-TSSOP The SN74HC14APWR is a high-speed CMOS hex Schmitt-trigger inverter manufactured by Texas Instruments. This device integrates six independent inverting Schmitt-trigger gates designed to provide clean digital signal transitions from slow-rising or noisy input signals. It is commonly used for waveform shaping, signal conditioning, switch debouncing, pulse generation, and oscillator circuits in embedded systems and digital electronics. The device operates over a wide supply voltage range and offers low power consumption with high noise immunity characteristics. The Schmitt-trigger input architecture provides hysteresis, improving signal stability in noisy environments and ensuring reliable logic switching performance. The SN74HC14APWR is widely used in microcontroller interfaces, communication systems, industrial electronics, consumer devices, and general-purpose digital logic applications. Engineering Specification Device Type Hex Schmitt-Trigger Inverter Logic Function Inverting Schmitt-trigger gate Number of Channels Six independent inverter gates Logic Family High-Speed CMOS (HC) Supply Voltage Range Compatible with standard CMOS voltage levels Input Characteristics Schmitt-trigger inputs with hysteresis for noise immunity Output Characteristics CMOS push-pull outputs capable of driving standard digital loads Propagation Delay High-speed switching performance suitable for digital timing applications Power Consumption Low static and dynamic power consumption Noise Immunity High noise margin due to Schmitt-trigger input structure Operating Temperature Range Industrial operating temperature capability Package Type TSSOP surface-mount package Mounting Type Surface mount technology Applications Signal conditioning Switch debouncing Clock shaping Oscillator circuits Pulse generation Microcontroller interfacing Digital waveform cleanup Industrial control systems Manufacturer Texas Instruments #commonpartslibrary #integratedcircuit #logicic #schmitttrigger #hexinverter #digitalelectronics #embeddedhardware #signalconditioning #texasinstruments #cmoslogic #surfaceountcomponents #electronicsdesign

Battery Management ICs BQ24040DSQT WSON-10_L2.0-W2.0-P0.40-TL-EP LCSC Part Number: C2876332 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments BQ2404x highly integrated single-cell Li-Ion/Li-Pol linear battery charger IC for space-limited portable applications, supports USB or AC adapter input, selectable 100mA or 500mA USB input current limit, 1% charge voltage accuracy, 10% charge current accuracy, programmable charge termination and precharge thresholds, 4.35V chemistry support on BQ24045, 30V input rating with 6.6V or 7.1V input overvoltage protection, dynamic power management, thermal regulation and 150°C thermal shutdown, OUT short-circuit and ISET short protection, JEITA battery NTC operation, fixed 10-hour safety timer, status indication, available in 10-pin 2x2mm WSON/DFN package. Search Keywords: BQ2404x, BQ24040, BQ24041, BQ24045, Texas Instruments BQ24040, Texas Instruments BQ24041, Texas Instruments BQ24045, TI BQ2404x, BQ24040 battery charger, BQ24041 battery charger, BQ24045 battery charger, single cell Li-Ion charger, Li-Pol battery charger IC, USB battery charger IC, 500mA battery charger, 100mA USB charger, linear battery charger, 4.35V Li-Ion charger, WSON-10 charger, DFN-10 battery charger, 2x2mm charger IC Hashtags: #BQ2404x #BQ24040 #BQ24041 #BQ24045 #TexasInstrumentsBQ24040 #TIBatteryCharger #BatteryChargerIC #LiIonCharger #LiPolCharger #SingleCellCharger #USBChargerIC #LinearBatteryCharger #500mACharger #100mAUSBCharger #435VCharger #JEITACharger #NTCBatteryCharger #WSON10 #DFN10 #2x2mmPackage

Switched Capacitor Voltage Converter, Doubles or Splits Input Supply Voltage (2.5 V to 5.5 V or 1.8 V to 11 V), 40 mA, SOT-23-6 switched capacitor voltage converter doubler splitter SOT?23*

- ESP32-WROOM-32UE Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth® Smart Ready 4.x Dual Mode 2.4GHz Evaluation Board The ESP32-DEVKITC-32UE is a development board based on the ESP32 series SoC designed by Espressif. It is widely used for IoT, embedded systems, and wireless communication applications due to its built-in Wi-Fi and Bluetooth capabilities. Microcontroller: ESP32 dual-core Tensilica LX6 processor Wireless Connectivity: Wi-Fi (802.11 b/g/n) and Bluetooth (Classic + BLE) Flash Memory: Integrated SPI flash (varies by module version) Development Interface: USB-to-UART bridge for easy programming and debugging Power Supply: Typically powered via USB or external 5V input GPIO Pins: Multiple multifunction GPIOs supporting ADC, DAC, PWM, SPI, I2C, UART, etc. Supports deep sleep and ultra-low power modes Multiple peripheral interfaces (SPI, I2C, UART, SDMMC, PWM) Compatible with ESP-IDF, Arduino IDE, and MicroPython Built-in antenna (UE variant uses U.FL or external antenna option depending on module design) IoT devices and smart home systems Wireless sensor networks Data logging and monitoring systems Robotics and automation Embedded control systems #commonpartslibrary #developmentboard #esp32 #wroom

The TPS552882 is a synchronous four-switch buck-boost converter capable of regulating the output voltage at, above, or below the input voltage. The TPS552882 operates over a 2.7-V to 36-V wide input voltage and is capable of outputing 0.8-V to 22-V voltage to support a variety of applications.

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

DC-DC Controllers LM5176PWPR HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP LCSC Part Number: C442493 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments LM5176 synchronous 4-switch buck-boost DC/DC controller, regulates output voltage above, below or equal to input voltage, wide 4.2V to 55V input voltage range with 60V absolute maximum, adjustable 0.8V to 55V output voltage, single-inductor buck-boost architecture, current-mode control, high-efficiency buck-boost transition, adjustable switching frequency with optional synchronization and dithering, integrated 2A MOSFET gate drivers, cycle-by-cycle current limit, optional hiccup protection, input UVLO, soft-start, power-good output, output overvoltage protection, available in HTSSOP-28 and QFN-28 packages. Search Keywords: LM5176, Texas Instruments LM5176, TI LM5176, LM5176 buck boost controller, LM5176 4 switch buck boost, LM5176 synchronous buck boost controller, 55V buck boost controller, 4.2V to 55V DC DC controller, adjustable buck boost controller, single inductor buck boost controller, LM5176 HTSSOP-28, LM5176 QFN-28, LM5176 power supply controller, LM5176 USB power delivery, LM5176 battery powered systems, LM5176 LED lighting, LM5176 datasheet Hashtags: #LM5176 #TexasInstrumentsLM5176 #TIBuckBoostController #BuckBoostController #SynchronousBuckBoost #4SwitchBuckBoost #DCDCController #55VController #SingleInductorBuckBoost #CurrentModeController #MOSFETGateDriver #2AGateDriver #AdjustableFrequencyController #UVLOController #PowerGoodController #OutputOVP #HTSSOP28 #QFN28

# ADC0804LCN/NOPB Engineering Specifications **General Description** The ADC0804LCN/NOPB is a CMOS successive-approximation analog-to-digital converter manufactured by Texas Instruments. It converts a differential analog input signal into an eight-bit digital output and is designed for direct connection to microprocessors through a parallel data interface. The device uses a differential potentiometric-ladder architecture to improve common-mode rejection and allow the analog zero-input level to be offset. Its adjustable reference input permits smaller analog voltage spans to use the converter’s full resolution. Tri-state output latches allow direct connection to a processor data bus without additional interface logic. The converter can operate as a microprocessor-controlled device or as a standalone, free-running converter. An integrated clock generator allows operation using an external resistor-capacitor network, although an external clock signal may also be used. **Engineering Specifications** **Manufacturer:** Texas Instruments **Manufacturer Part Number:** ADC0804LCN/NOPB **Component Type:** Analog-to-Digital Converter **Converter Architecture:** Successive Approximation Register **Resolution:** Eight bits **Number of Channels:** One **Input Configuration:** Differential analog input **Analog Input Range:** Zero volts to five volts with a five-volt supply **Supply Voltage Range:** Four and one-half volts to six and three-tenths volts **Typical Supply Voltage:** Five volts **Reference Type:** External, supply-based or ratiometric reference **Reference Input:** Adjustable VREF divided-by-two input **Digital Interface:** Eight-bit parallel interface **Microprocessor Compatibility:** Directly compatible with common eight-bit microprocessors **Conversion Time:** Approximately one hundred microseconds **Maximum Sampling Rate:** Approximately ten kilosamples per second **Total Unadjusted Error:** Plus or minus one least significant bit **Digital Outputs:** Latched tri-state outputs **Logic Compatibility:** TTL and MOS-compatible inputs and outputs **Clock Configuration:** Integrated clock generator with external resistor-capacitor timing or external clock input **Operating Modes:** Processor-controlled, standalone or continuous free-running operation **Operating Temperature Range:** Zero degrees Celsius to seventy degrees Celsius **Package Type:** Twenty-pin plastic dual in-line package **Mounting Style:** Through-hole mounting **Package Width:** Standard three-tenths-inch DIP format **Environmental Classification:** Lead-free and RoHS-compliant NOPB version **Lifecycle Status:** Obsolete and generally not recommended for new production designs **Typical Applications** Suitable for sensor signal conversion, temperature-monitoring systems, voltage measurement, transducer interfaces, embedded control systems, laboratory equipment, educational electronics projects and general-purpose data-acquisition circuits. #ADC0804LCN #ADC0804 #TexasInstruments #AnalogToDigitalConverter #ADC #DataAcquisition #EmbeddedSystems #ElectronicsEngineering #IntegratedCircuit #MicrocontrollerProjects #ElectronicComponents 8 Bit Analog to Digital Converter 1 Input 1 SAR 20-PDIP https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/721/ADC080x.pdf

Buck-Boost Switching Regulator IC Positive Adjustable (Fixed) 6.5V (11.5V) 1 Output 6A 22-PowerWFQFN The MAX25239/MAX25240 are small, synchronous, buck-boost converters with integrated H-bridge switches. These ICs provide a fixed-output regulation voltage and an externally adjustable output voltage in the 3V to 20V range with an input voltage above, below, or equal to the output regulation voltage. The ICs have typical 8.2A and 10A input current limit options and can support continuous load currents up to 6A depending on the input-to-output voltage ratio and operating frequency. It also has a wide input voltage range of 2V to 36V. The MAX25239/MAX25240 have three switching frequency options: 2.1MHz, 400kHz, and 200kHz. The 2.1MHz high switching frequency allows small external components and reduced output ripple, and guarantees no AM band interference, while the 400kHz or 200kHz switching frequency offers better efficiency and relieves the power consumption concern. The SYNC input allows three operation modes: skip mode with ultra-low quiescent current, forced fixed-frequency PWM operation, and synchronization to an external clock. The IC also includes spread-spectrum frequency modulation to minimize EMI interference. The MAX25239/MAX25240 feature a power-OK (POK) indicator, undervoltage lockout, overvoltage protection, cycle-by-cycle current limit, and thermal shutdown. The ICs are available in small, 4.25mm x 4.25mm x 0.75mm, 22-pin FC2QFN and 5.00mm x 5.00mm x 0.75mm, 18- pin FCQFN packages. Key Features Wide 2 V to 36 V input voltage range Synchronous buck-boost topology for seamless step-up and step-down conversion Delivers up to 6 A continuous output current Adjustable output voltage from 3 V to 20 V (device variant includes fixed output configuration options) High conversion efficiency with integrated low-RDS(ON) MOSFETs 400 kHz switching frequency with spread-spectrum option for reduced EMI Very low 95 µA quiescent current in standby and 10 µA shutdown current Integrated protection features including overvoltage, short-circuit, thermal shutdown, and undervoltage lockout (UVLO) Power-Good (PGOOD) output for power monitoring AEC-Q100 qualified for automotive applications Operating junction temperature range: −40°C to +150°C Compact 22-pin FC2QFN (4.25 × 4.25 mm) package #MAX25240AFFFVY #AnalogDevices #BuckBoostConverter #DCDCConverter #PowerManagement #AutomotiveElectronics #AECQ100 #SwitchingRegulator #EmbeddedSystems #AutomotivePower

Analog to Digital Converters - ADC Single-channel, 9-bit, 1.3-GSPS analog-to-digital converter (ADC) with JESD204C interface 144-FCBGA -40 to 85 ADC09xJ1300 is a family of quad, dual and single channel, 9-bit, 1.3GSPS analog-to-digital converters (ADC). Low power consumption, high sampling rate and 9-bit resolution makes the ADC09xJ1300 ideally suited for suited for a variety of multi-channel communications and test systems. Full-power input bandwidth (-3dB) of 6GHz enables direct RF sampling of L-band and S-band. A number of clocking features are included to relax system hardware requirements, such as an internal phase-locked loop (PLL) with integrated voltagecontrolled oscillator (VCO) to generate the sampling clock. Four clock outputs are provided to clock the logic and SerDes of the FPGA or ASIC. A timestamp input and output is provided for pulsed systems. JESD204C serialized interface decreases system size by reducing the amount of printed circuit board (PCB) routing. Interface modes support from 2 to 8 lanes (dual and quad channel devices) or 1 to 4 lanes (for the single channel device), with SerDes baud-rates up to 17.16Gbps, to allow the optimal configuration for each application. Features • ADC Core: – Resolution: 9 Bit – Maximum sampling rate: 1.3GSPS – Non-interleaved architecture – Internal dither reduces high-order harmonics • Performance specifications (–1dBFS): – SNR (100 MHz): 53.5dBFS – ENOB (100 MHz): 8.5 Bits – SFDR (100 MHz): 64dBc – Noise floor (–20dBFS): –143dBFS • Full-scale input voltage: 80 mVPP-DIFF • Full-power input bandwidth: 6GHz • JESD204C Serial data interface: – Support for 2 to 8 (Quad/Dual channel) or 1 to 4 (Single channel) total SerDes lanes – Maximum baud-rate: 17.16Gbps – 64B/66B and 8B/10B encoding modes – Subclass-1 support for deterministic latency – Compatible with JESD204B receivers • Optional internal sampling clock generation – Internal PLL and VCO (7.2–8.2GHz) • SYSREF Windowing eases synchronization • Four clock outputs simplify system clocking – Reference clocks for FPGA or adjacent ADC – Reference clock for SerDes transceivers • Timestamp input and output for pulsed systems • Power consumption (1GSPS): – Quad Channel: 450mW / channel – Dual channel: 625mW / channel – Single channel: 940mW • Power supplies: 1.1V, 1.9V #CommonPartsLibrary #IntegratedCircuit #ADC #HighSpeedADC #RFADC #JESD204C #13GSPS #9bitADC #DirectRFSampling #TexasInstruments #MixedSignal #DataAcquisition #JESD204

Open Frame AC DC Converters 1 Output 5V 1A 85 ~ 305 VAC, 70 ~ 430 VDC Input PBO-5F-5 is a compact 5W open-frame AC-DC power supply module from Bel Power Solutions designed for PCB-mounted industrial and embedded power applications. It accepts a universal input voltage of 85–305VAC or 70–430VDC and delivers a regulated 5VDC output at up to 1A. Its high reliability, compact SIP package, and comprehensive protection features make it suitable for IoT devices, industrial controls, instrumentation, home automation, and other space-constrained electronic systems. Key Features: Universal 85–305VAC / 70–430VDC input voltage range Fixed 5VDC output, 1A maximum output current 5W continuous output power High efficiency of up to 76% Compact 6-SIP open-frame through-hole package Wide operating temperature range: -40°C to +85°C (with derating) Built-in short-circuit and overcurrent protection Ultra-low no-load power consumption (<0.1W) Certified to IEC/EN/UL 62368-1 High reliability with MTBF >2.7 million hours #ACDCPowerSupply #PowerModule #OpenFramePowerSupply #UniversalInput #5VPowerSupply #PCBMount #IndustrialElectronics #EmbeddedSystems #BelPower #PowerElectronics