Microcontrollers

Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5 LP2985IM5-2.7 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 2.7 V output with very low quiescent current and excellent noise performance. It is optimized for battery-powered and noise-sensitive applications, offering high power supply rejection ratio (PSRR) and fast transient response. The device is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. Key Features Fixed 2.7 V output voltage Low dropout voltage Low quiescent current (IQ) High PSRR for noise-sensitive applications Stable with low ESR ceramic capacitors Thermal shutdown and current limit protection Small SOT-23-5 package RoHS compliant Electrical Characteristics Output Voltage: 2.7 V (fixed) Output Voltage Accuracy: ±1.5% (typical) Maximum Output Current: 150 mA Dropout Voltage: ~280 mV at 150 mA (typical) Quiescent Current (IQ): ~65 µA (typical) Line Regulation: 0.04%/V (typical) Load Regulation: 0.2% (typical) PSRR: Up to 70 dB (at low frequency) Operating Input Voltage Range: 2.5 V to 16 V Operating Temperature Range: -40°C to +125°C Mechanical Characteristics Package Type: SOT-23-5 (DBV) Mounting Type: Surface Mount Pin Count: 5 pins Approximate Dimensions: 2.9 mm × 1.6 mm Pin Configuration (Typical) IN: Input voltage GND: Ground OUT: Regulated output (2.7 V) EN: Enable (active high) BYPASS: Noise reduction / bypass capacitor connection Performance Characteristics Excellent output noise performance (low-noise design) Fast transient response to load changes Stable with small ceramic capacitors (typically 1 µF) Suitable for RF and analog circuits Applications Battery-powered devices Portable electronics RF and wireless modules Sensors and analog circuits Microcontroller power supplies #CommonPartsLibrary #IntegratedCircuit #PowerManagement #voltage-regulator #LDO #LP3985

LED Lighting Driver ICs LED Lighting Drivers 4-Channel RGBW Driver, I2C, 1.5x1.5mm TDFN The KTD2027BEWE-TR is a highly integrated, low-power RGB LED driver designed for portable and battery-powered applications. It features a compact WLCSP package and provides precise current control for up to three LED channels. The device includes an I²C-compatible interface, enabling flexible control of brightness, color mixing, and lighting effects. Integrated features such as programmable current sinks, dimming control, and built-in protection mechanisms make it suitable for indicators, backlighting, and decorative lighting in consumer electronics. Key Features Triple-channel constant current LED driver (RGB support) I²C-compatible digital interface Independent brightness control per channel Programmable current up to ~24 mA per channel Built-in PWM dimming and pattern generation Low quiescent current for power-sensitive applications Wide input voltage range Thermal shutdown and overcurrent protection Small WLCSP package (suitable for compact designs) Applications Mobile devices and wearables Status indicators and notification LEDs Backlighting and decorative lighting IoT and portable electronics Absolute Maximum Ratings Supply Voltage (VDD): −0.3 V to +6.0 V Logic Input Voltage: −0.3 V to VDD + 0.3 V Operating Temperature Range: −40°C to +85°C Storage Temperature Range: −55°C to +150°C Recommended Operating Conditions Supply Voltage (VDD): 1.8 V to 5.5 V LED Forward Voltage: Dependent on external LEDs Ambient Temperature: −40°C to +85°C Electrical Characteristics (Typical) Supply Current (Idle): < 1 µA (shutdown mode) Channel Current Accuracy: ±5% (typical) Maximum Output Current: ~24 mA per channel I²C Clock Frequency: Up to 400 kHz (Fast Mode) Functional Description The KTD2027BEWE-TR operates as a constant-current sink driver for RGB LEDs. Each channel can be independently programmed via the I²C interface to control brightness and enable dynamic lighting effects. Internal PWM generators allow smooth dimming without requiring continuous microcontroller intervention. The device also integrates protection features such as thermal shutdown and current limiting to ensure reliable operation. Pin Configuration (Typical WLCSP) VDD – Power supply GND – Ground SDA – I²C data line SCL – I²C clock line LED1 – Current sink output (Red) LED2 – Current sink output (Green) LED3 – Current sink output (Blue) Package Information Package Type: WLCSP (Wafer-Level Chip Scale Package) Mounting: Surface mount Tape & Reel: Yes (TR suffix) Ordering Information KTD2027BEWE-TR: Tape and reel packaging for automated assembly #commonpartslibrary #integratedcircuit #leddriver

25 MHz ±30ppm Crystal 20pF 50 Ohms 4-SMD, No Lead The FL2500283Z is a 25 MHz surface-mount quartz crystal manufactured by Diodes Incorporated, part of the FL series (SaRonix-eCera™). It is designed for use as a stable clock reference in digital circuits such as microcontrollers, communication modules, and embedded systems. This crystal uses an AT-cut resonator inside a compact 3.2 mm × 2.5 mm (3225) ceramic package, making it suitable for high-density PCB designs and modern electronics. Key Features Standard Frequency 25 MHz fundamental mode crystal Compact SMD Package 3.2 × 2.5 mm (3225), 4-pad configuration Height ~0.68–0.75 mm AT-Cut Quartz Technology Provides good frequency stability and low drift Frequency Stability & Tolerance Typical: ±10 to ±30 ppm Load Capacitance Typically 20 pF Low ESR Around 50–60 Ω, suitable for MCU oscillator circuits Wide Operating Temperature Common range: -20°C to +70°C (some variants up to -40°C to +125°C) Surface-Mount Compatibility Ideal for automated assembly and reflow soldering RoHS / Lead-Free Environmentally compliant design Typical Applications Microcontroller clock (STM32, ESP32, AVR, etc.) Communication modules (Wi-Fi, Ethernet, RF) Embedded systems Consumer electronics Industrial control boards #Crystal #Oscillator #Resonator #SaRonix-eCera™ FL

16 Position Header Connector 0.100" (2.54mm) Through Hole, Right Angle Gold The PPPC082LJBN-RC is a dual-row, right-angle pin header connector intended for through-hole PCB mounting. It uses a standard 2.54 mm pitch with a 2×8 pin configuration and is commonly used for board-to-board or board-to-cable connections. The connector provides stable mechanical support and reliable electrical performance, making it suitable for prototyping, embedded systems, and general-purpose electronic designs. Mechanical Specifications Connector Type: Pin Header Mounting Type: Through-Hole, Right Angle Number of Positions: 16 (2×8) Pitch: 2.54 mm Row Spacing: 2.54 mm Contact Orientation: Right Angle Termination Style: Solder Housing Material: Thermoplastic (UL94V-0 rated) Contact Material: Brass Electrical Specifications Current Rating: Typically up to 3 A per contact Voltage Rating: Typically 250 V Contact Resistance: ≤ 20 mΩ Insulation Resistance: ≥ 1000 MΩ Dielectric Withstanding Voltage: ~500 VAC Environmental Specifications Operating Temperature Range: -40°C to +105°C Flammability Rating: UL94V-0 RoHS Compliance: Yes Plating Contact Plating: Gold flash over nickel (typical) Tail Plating: Tin over nickel Applications PCB interconnections Embedded systems and microcontroller boards Industrial control interfaces Consumer electronics prototyping Signal and low-power connections Mating Compatibility Compatible with standard 2.54 mm pitch female headers and IDC connectors #commonpartslibrary #connector #header

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

IC RF TxRx Only Bluetooth, WiFi Bluetooth v5.0, Thread, Zigbee® 2.412GHz ~ 2.484GHz 32-VFQFN Exposed Pad The ESP32-C6FH4 is a low-power, highly integrated wireless microcontroller from Espressif Systems, designed for IoT applications. It is based on a 32-bit RISC-V processor running at up to 160 MHz, providing efficient performance for embedded systems while maintaining low power consumption. This variant includes 4 MB of embedded flash memory, making it suitable for standalone applications without the need for external flash. The ESP32-C6FH4 supports multiple wireless communication protocols, including: Wi-Fi 6 (802.11ax) in the 2.4 GHz band (backward compatible with Wi-Fi 4/802.11 b/g/n) Bluetooth Low Energy (BLE 5) IEEE 802.15.4 (used for protocols like Thread and Zigbee) Key features include: Rich set of GPIO pins with support for peripherals such as UART, SPI, I2C, PWM, ADC, and more Integrated hardware security features (secure boot, flash encryption, cryptographic accelerators) Multiple low-power modes for battery-operated devices On-chip temperature sensor and RTC peripherals #commonpartslibrary #transceiver

Connector Header Through Hole 22 position 0.100" (2.54mm) PinHeader_1x22_P2.54mm_Vertical General Description The TSW-122-07-G-S is a through-hole vertical pin header manufactured by Samtec. It is part of the TSW series, designed for board-to-board or wire-to-board interconnections. This component features a single-row configuration with standard 2.54 mm pitch spacing, making it widely compatible with common prototyping and production PCB designs. It is commonly used in embedded systems, development boards, and general-purpose electronic assemblies requiring reliable and cost-effective connectivity. Key Features Single-row vertical pin header Through-hole mounting style Standard 2.54 mm pitch spacing Tin-plated contacts for reliable electrical connection Black thermoplastic insulator housing Designed for board-to-board or cable interfacing Compatible with standard mating connectors and sockets Electrical Characteristics Current rating suitable for signal-level and low-power applications Contact resistance designed for stable electrical performance Insulation resistance suitable for typical PCB environments Mechanical Characteristics Number of positions: twenty-two Row configuration: single row Mounting type: through-hole Orientation: vertical Contact material: copper alloy Contact plating: tin Housing material: high-temperature thermoplastic Environmental Characteristics Operating temperature range suitable for industrial and commercial electronics RoHS compliant Designed for durability under normal handling and soldering conditions Applications Microcontroller and development boards Prototyping platforms Board-to-board interconnections Embedded systems General electronic assemblies #commonpartslibrary #connector #header

MCP3913 Series 3.6 V 4.5 mA SMT Six-Channel Analog Front End - SSOP-28 The MCP3913A1T-E/SS is a high-performance, multi-channel analog front-end (AFE) from Microchip Technology intended for precision measurement applications. It features six simultaneous sampling 24-bit delta-sigma ADCs with integrated programmable gain amplifiers, enabling accurate acquisition of low-level analog signals. Designed for energy monitoring and industrial sensing, the device provides low noise, high dynamic range, and flexible configuration. It supports SPI communication for efficient interfacing with microcontrollers and digital processing systems. Key Features Six simultaneous sampling 24-bit delta-sigma ADC channels Integrated programmable gain amplifiers per channel High signal-to-noise ratio and low distortion Programmable oversampling ratios for performance tuning Internal voltage reference with external reference option SPI-compatible digital interface Configurable data output formats and control registers Low power operation modes Electrical Characteristics Resolution: 24-bit Number of Channels: 6 Input Configuration: Differential Supply Voltage: 2.7V to 3.6V Operating Temperature Range: -40°C to +125°C Programmable Gain: Up to 32 V/V (typical) Reference Voltage: Internal or external selectable Functional Description The device integrates six high-resolution delta-sigma ADCs that sample input signals simultaneously, ensuring accurate phase and timing relationships across channels. Each input passes through a programmable gain stage, allowing optimization for different sensor levels. Analog signals are digitized using oversampling and digital filtering techniques to achieve high precision and noise reduction. Configuration is handled via internal registers, and data is transferred through an SPI interface. Package Information Package Type: SSOP Pin Count: 28 Mounting Type: Surface Mount Applications Energy metering Power monitoring systems Industrial automation Multi-channel data acquisition Sensor interfacing Smart grid systems Advantages High integration reduces external components Simultaneous sampling improves measurement accuracy High resolution supports precise signal analysis Flexible configuration for various system requirements #commonpartslibrary #integratedcircuit #powermanagement #energymetering

Connector Header Through Hole 10 position 0.100" (2.54mm) The TSW-105-07-G-D is part of the Samtec TSW series, which consists of 0.100″ (2.54 mm) pitch PCB header strips. It is a dual-row, 10-position (2×5) male pin header intended for through-hole mounting on printed circuit boards. This connector provides a simple and reliable way to connect PCBs or interface with cables and other connectors (e.g., female sockets or IDC connectors). Key Features Connector Type: Rectangular header (male pin) Mounting Type: Through-hole (THT) Pitch: 2.54 mm (0.100″ standard spacing) Number of Positions: 10 pins Rows: Dual-row (2×5 configuration) Contact Style: 0.025″ (0.635 mm) square posts Orientation: Vertical (straight header) Plating: Gold (indicated by “G”) for reliable contact Electrical & Mechanical Highlights Current Rating: up to ~6.3 A per contact (series typical) Voltage Rating: up to ~400–550 VAC Operating Temperature: approx. -55 °C to +125 °C High durability: supports multiple mating cycles (extended-life design) Typical Applications Microcontroller and development boards Board-to-board connections Prototyping systems (breadboard-compatible headers) Industrial and embedded electronics Cable-to-board interfaces #CommonPartsLibrary #Connector #Header #TSW