Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) # L6982N33DR ## General Description The L6982N33DR is a high-efficiency synchronous step-down switching regulator manufactured by STMicroelectronics. It is designed to provide a fixed regulated output voltage from a wide input voltage range while maintaining excellent conversion efficiency and low power dissipation. The device integrates high-side and low-side power MOSFETs, control circuitry, protection features, and compensation functions within a compact package, reducing external component count and simplifying power supply design. Its robust architecture makes it suitable for industrial automation systems, distributed power architectures, telecommunications equipment, embedded systems, consumer electronics, smart devices, and battery-powered applications requiring efficient DC-to-DC voltage conversion. ## Key Features ### Power Conversion Architecture * Synchronous buck regulator topology * Fixed output voltage regulation * Integrated power MOSFETs * High-efficiency power conversion * Optimized switching performance * Reduced external component requirements ### Electrical Characteristics * Wide input voltage operating range * Stable output voltage regulation * High conversion efficiency * Low standby power consumption * Fast transient response * Low output ripple performance ### Control Features * Current-mode control architecture * Internal compensation circuitry * Soft-start functionality * Frequency synchronization capability * Stable operation under varying load conditions ### Protection Features * Overcurrent protection * Short-circuit protection * Thermal shutdown protection * Undervoltage lockout protection * Safe startup operation * Enhanced system reliability ### Power Management * Low-power operating modes * Energy-efficient design * Suitable for battery-powered systems * Optimized thermal performance * Reduced power dissipation ### Package Characteristics * Surface-mount package * Compact footprint * Automated assembly compatible * High-density PCB design support * Industrial-grade packaging ### Material Construction * Monolithic integrated power management solution * Lead-free package materials * RoHS-compliant construction * High-reliability semiconductor technology ### Environmental Characteristics * Suitable for industrial operating environments * Long operational service life * Reliable continuous operation * Robust thermal performance ### Application Areas * Industrial Automation Equipment * Embedded Systems * Microcontroller Power Supplies * FPGA and Processor Power Rails * Telecommunications Equipment * Smart Metering Systems * Consumer Electronics * Building Automation Systems * Distributed Power Architectures * Battery-Powered Devices * IoT Products * Power Management Modules ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Power Management Solution ## Manufacturer STMicroelectronics ## Product Family L6982 Synchronous Step-Down Switching Regulator Series #L6982N33DR #STMicroelectronics #BuckConverter #DCtoDCConverter #SwitchingRegulator #PowerManagement #PowerSupplyDesign #EmbeddedSystems #IndustrialElectronics #VoltageRegulator #PowerElectronics #IoTDevices #ElectronicsEngineering #PCBDesign #SMPS

ARM® Cortex®-M0+ STM32U0 Microcontroller IC 32-Bit 56MHz 256KB (256K x 8) FLASH 48-LQFP (7x7) # STM32U083CCT6 ## General Description The STM32U083CCT6 is an ultra-low-power microcontroller from STMicroelectronics based on the Arm Cortex-M0+ core. It is specifically designed for energy-efficient embedded applications requiring long battery life, advanced peripheral integration, secure operation, and reliable real-time performance. The device combines low-power processing, embedded Flash memory, SRAM, analog peripherals, communication interfaces, and hardware security features within a compact package. Its architecture makes it ideal for smart sensors, industrial monitoring systems, medical devices, wearable electronics, smart metering, home automation products, and Internet of Things applications where power efficiency is a primary design requirement. ## Key Features ### Processing Architecture * Arm Cortex-M0+ processor core * Optimized low-power computing architecture * Efficient real-time processing capability * Interrupt-driven operation support * Embedded system control functionality ### Memory Resources * Embedded Flash memory * Integrated SRAM * Non-volatile data storage support * High-reliability memory architecture * Efficient code execution capability ### Low-Power Features * Ultra-low-power operating modes * Multiple sleep and standby modes * Fast wake-up capability * Battery-powered application optimization * Energy-efficient peripheral operation * Extended product operating life in portable systems ### Security Features * Hardware security mechanisms * Memory protection functionality * Secure firmware execution support * Data integrity protection * Secure embedded application development support ### Communication Interfaces * USART communication interfaces * UART communication support * SPI serial communication interfaces * I²C communication interfaces * Low-power communication capability * Flexible external device connectivity ### Analog Features * Analog-to-digital conversion capability * Precision signal acquisition support * Integrated analog peripherals * Sensor interface compatibility * Low-power analog operation ### Timer and Control Functions * General-purpose timers * PWM signal generation * Real-time clock functionality * Event-driven control capability * Timing and scheduling support ### Package Characteristics * Surface-mount package * Compact footprint design * Automated assembly compatibility * Suitable for space-constrained applications * Industrial-grade packaging ### Material Construction * Advanced low-power semiconductor technology * RoHS-compliant materials * Lead-free package construction * High-reliability integrated circuit design ### Environmental Characteristics * Suitable for industrial and commercial environments * Long operational service life * Stable performance under continuous operation * Robust low-power architecture ### Application Areas * Internet of Things Devices * Smart Sensors * Wearable Electronics * Medical Monitoring Equipment * Home Automation Systems * Smart Metering Applications * Battery-Powered Products * Environmental Monitoring Systems * Industrial Data Acquisition Equipment * Consumer Electronics * Portable Embedded Systems * Wireless Sensor Nodes ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Embedded Microcontroller Solution ## Manufacturer STMicroelectronics ## Product Family STM32U0 Ultra-Low-Power Microcontroller Series #STM32U083CCT6 #STM32U0 #STMicroelectronics #Microcontroller #UltraLowPowerMCU #CortexM0Plus #EmbeddedSystems #IoT #SmartSensors #WearableElectronics #BatteryPoweredDevices #IndustrialElectronics #EmbeddedDesign #FirmwareDevelopment #ElectronicsEngineering

IC RF TxRx + MCU General ISM < 1GHz LoRaWAN 1.0, Sigfox 915MHz 73-UFBGA The STM32WL55JCI6TR is an ultra-low-power wireless microcontroller developed by STMicroelectronics. It integrates a high-performance Arm Cortex-M4 core with a secondary Arm Cortex-M0+ core and a sub-GHz radio transceiver within a single package. The device is designed for long-range wireless communication, industrial automation, smart metering, environmental monitoring, asset tracking, and Internet of Things applications. Its highly integrated architecture reduces external component count while providing secure, energy-efficient operation suitable for battery-powered and embedded systems. #STM32WL55JCI6TR #STM32WL #STM32 #STMicroelectronics #Microcontroller #WirelessMCU #LoRa #SubGHz #IoT #EmbeddedSystems #IndustrialAutomation #SmartMetering #LowPowerDesign #WirelessCommunication #RemoteMonitoring

This project is a Battery Management System (BMS) built around STMicroelectronics' STC3115AIQT battery monitor IC. It uses I2C for communication, features alarm management, and supports battery charging. The power supply, battery connection points, and debug interface are facilitated through connectors. #project #Template #charger #monitor #reusable #module #batterycharger #template #bms #STC3115 #stm

STMicroelectronics Arm Cortex-M3 MCU, 64-128KB flash, 20KB RAM, 72 MHz, 2.0-3.6V, 37 GPIO, LQFP48 Arm Cortex-M3 STM32F1 STM32F103 LQFP*7x7mm*P0.5mm*

SOT95P280X145-5N LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator 1.45 - https://componentsearchengine.com/Datasheets/1/LDK320AM-R.pdf 511-LDK320AM-R https://www.mouser.co.uk/ProductDetail/STMicroelectronics/LDK320AM-R?qs=iR2ablhfrmEQVY8ESb5QMg%3D%3D STMicroelectronics LDK320AM-R

Single-Core Arm® Cortex®-A7 Microprocessor (MPU) – 32-bit embedded microprocessor designed for industrial automation, Human-Machine Interfaces (HMI), IoT gateways, edge computing, smart home devices, medical equipment, multimedia systems, and Linux-based embedded applications. Part of the STM32MP1 Series, the STM32MP135FAF7 integrates a single Arm® Cortex®-A7 core operating at up to 1 GHz, with NEON™ SIMD multimedia acceleration and 3D graphics acceleration for enhanced application performance. Supports external DDR3, DDR3L, LPDDR2, and LPDDR3 memory, enabling high-performance operating systems such as Linux. Features dual Gigabit Ethernet, dual USB 2.0, CAN FD, I²C, SPI, UART/USART, SAI, SPDIF, MMC/SD/SDIO, GPIO, and IRDA interfaces for flexible connectivity. Includes advanced security features such as Arm TrustZone®, AES encryption, SHA-1/SHA-2, Secure Boot, Secure Debug, True Random Number Generator (TRNG), tamper detection, and volatile key storage for secure embedded applications. Operates with 1.8 V, 2.5 V, and 3.3 V I/O supplies, supports a −40°C to +105°C junction temperature range, and is packaged in a 320-ball TFBGA (11 × 11 mm). #STMicroelectronics #STM32MP135FAF7 #STM32MP1 #CortexA7 #Microprocessor #LinuxMPU #IndustrialAutomation #EdgeComputing #IoTGateway #GigabitEthernet #TrustZone #EmbeddedLinux #EmbeddedSystems

Digital Temperature Sensor – 16-bit digital temperature sensor with I²C/SMBus 3.0 interface for local temperature measurement from −40°C to +125°C. Operates from a 1.5 V to 3.6 V supply and provides ±0.5°C accuracy over the −10°C to +60°C range. Features programmable temperature thresholds, ALERT output, one-shot mode, support for up to 1 MHz I²C clock, and up to four selectable I²C addresses. Housed in a 6-pin UDFN (2 × 2 mm) package. #STMicroelectronics #STTS22H #STTS22HTR #TemperatureSensor #DigitalTemperatureSensor #I2C #SMBus #16Bit #TemperatureMonitoring #UDFN6 #EmbeddedSystems #Sensors

STMicroelectronics Arm Cortex-M0+ MCU, 32KB flash, 8KB RAM, 32 MHz, 1.65-3.6V, 27 GPIO, UFQFPN32 Arm Cortex-M0+ STM32L0 STM32L0x1 QFN*1EP*5x5mm*P0.5mm*

STMicroelectronics Arm Cortex-M7 MCU, 2048KB flash, 1024KB RAM, 480 MHz, 1.62-3.6V, 172 GPIO, TFBGA240 Arm Cortex-M7 STM32H7 STM32H743/753 TFBGA*14x14mm*Layout17x17*P0.8mm*

STMicroelectronics Arm Cortex-M7 MCU, 2048KB flash, 1024KB RAM, 480 MHz, 1.62-3.6V, 172 GPIO, TFBGA240 Arm Cortex-M7 STM32H7 STM32H747/757 TFBGA*14x14mm*Layout17x17*P0.8mm*

BTA16-600BRG TO-220AB_STM #stmicroelectronics

STMicroelectronics Arm Cortex-M33 MCU, 4096KB flash, 2514KB RAM, 160 MHz, 1.71-3.6V, 156 GPIO, TFBGA216 Arm Cortex-M33 STM32U5 STM32U599/5A9 TFBGA*13x13mm*Layout15x15*P0.8mm*

STMicroelectronics Arm Cortex-M7 MCU, 2048KB flash, 512KB RAM, 216 MHz, 1.7-3.6V, 159 GPIO, TFBGA216 Arm Cortex-M7 STM32F7 STM32F7x9 TFBGA*13x13mm*Layout15x15*P0.8mm*

STMicroelectronics Arm Cortex-M7 MCU, 1024-2048KB flash, 512KB RAM, 216 MHz, 1.7-3.6V, 140 GPIO, LQFP176 Arm Cortex-M7 STM32F7 STM32F7x7 LQFP*24x24mm*P0.5mm*

STMicroelectronics Arm Cortex-M4 MCU, 2048KB flash, 256KB RAM, 180 MHz, 1.8-3.6V, 168 GPIO, TFBGA216 Arm Cortex-M4 STM32F4 STM32F429/439 TFBGA*13x13mm*Layout15x15*P0.8mm*

STMicroelectronics Arm Cortex-M7 MCU, 1024-2048KB flash, 512KB RAM, 216 MHz, 1.7-3.6V, 159 GPIO, LQFP208 Arm Cortex-M7 STM32F7 STM32F7x9 LQFP*28x28mm*P0.5mm*