Interface ICs
An interface IC is a type of integrated circuit that is designed to facilitate communication between two devices or systems. These devices are commonly used in electronic systems to enable the transfer of data and control signals between different components or subsystems. Some common use cases for interface ICs include connecting microcontrollers to peripherals such as sensors or displays, linking multiple processors together in a network, and enabling communication between devices using different communication protocols. Flux.ai has the world's largest community-driven public library of interface ICs, with footprints, symbols, datasheets, and simulation models. This library is a valuable resource for engineers and designers who need access to accurate and up-to-date information on these important components. Whether you are working on a new design project or simply looking to learn more about interface ICs, Flux.ai is an excellent resource to help you find the information you need.
BQ25302RTER
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
4 Uses0 Stars691412320003
3 Position Wire to Board Terminal Block 45° (135°) Angle with Board 0.150" (3.81mm) Through Hole, Kinked Pin The 691412320003 is a pluggable terminal block connector designed for secure wire-to-board power and signal interconnection in industrial and embedded electronic systems. Manufactured by Würth Elektronik, this connector provides reliable field wiring capability with a compact footprint suitable for PCB mounting applications. The device supports screw-clamp wire termination, enabling dependable electrical contact and easy maintenance in control systems, power distribution modules, automation equipment, and general-purpose electronic assemblies. Its modular pluggable structure allows convenient installation and replacement while maintaining stable mechanical retention and electrical performance. Engineering Specification Product Type: Pluggable terminal block connector Manufacturer: Würth Elektronik Manufacturer Part Number: 691412320003 Connector Style: Plug component for mating terminal block system Mounting Type: Through-hole PCB mount Number of Positions: Three Pitch Spacing: 3.50 mm Wire Termination Method: Screw clamp termination Wire Entry Orientation: Horizontal Contact Material: Copper alloy Contact Plating: Tin plated Housing Material: High-temperature thermoplastic Housing Color: Green Flammability Rating: UL94 V-0 Rated Voltage: Suitable for low-voltage industrial and control applications Rated Current: Designed for moderate power and signal transmission Operating Temperature Range: Industrial-grade operating temperature capability Mating Style: Pluggable locking terminal interface Application Use: Industrial controls, power interfaces, embedded systems, automation equipment, and field wiring connections Compliance: RoHS compliant and lead-free compatible #commonpartslibrary #connector #terminalblock
74 Uses0 StarsSMAJ33A-13-F
53.3V Clamp 7.5A Ipp Tvs Diode Surface Mount SMA TVS diode SMA 33V The SMAJ33A-13-F is a surface-mount transient voltage suppression (TVS) diode designed to protect sensitive electronic components from voltage spikes and transient events. It is typically used in circuits exposed to electrostatic discharge, inductive load switching, and other transient voltage conditions. The device operates by clamping excessive voltage to a safe level, thereby preventing damage to downstream components. Its compact surface-mount package enables efficient use of board space while maintaining reliable thermal and electrical performance. Device Overview This component is constructed using silicon avalanche technology, providing fast response time to transient events. It is intended for use in high-reliability applications where overvoltage protection is critical. The unidirectional configuration ensures effective suppression in circuits with a defined polarity. The device is optimized for low leakage current under normal operating conditions and high surge capability during transient events. Electrical Characteristics The diode is designed to operate with a defined stand-off voltage, ensuring it remains non-conductive during normal system operation. Upon exceeding the breakdown threshold, the device transitions into conduction, clamping the voltage to a specified level. It supports high peak pulse power dissipation and is capable of handling repeated transient events without significant degradation. Mechanical and Packaging Information The device is provided in a compact surface-mount package suitable for automated assembly processes. The package is designed for efficient heat dissipation and mechanical robustness, supporting standard reflow soldering techniques. Terminal finishes are compatible with common PCB manufacturing processes and ensure reliable solder joints. Applications Suitable for use in consumer electronics, industrial control systems, telecommunications equipment, and automotive electronics where protection against voltage transients is required. Common use cases include power supply lines, data lines, and interface ports. Environmental and Reliability Considerations The component is designed to meet standard environmental and reliability requirements for electronic components. It is suitable for operation across a wide temperature range and is built to withstand typical handling and assembly stresses. #commonpartslibrary #circuitprotection #tvsdiode
213 Uses0 Stars
