Battery Management ICs
A Battery Management IC is a specialized microcontroller that monitors and manages the charging and discharging of a lithium-ion or other type of battery. These ICs are essential for ensuring the safe and efficient operation of batteries in a wide range of applications, including portable electronics, electric vehicles, and renewable energy systems. One of the key functions of a Battery Management IC is to optimize the charging and discharging of a battery by controlling the flow of current. This can help to extend the life of the battery and improve its overall performance. In addition to controlling the charging and discharging of a battery, a Battery Management IC can also perform other functions such as monitoring the temperature and voltage of the battery, protecting the battery from overcharge and overdischarge, and providing diagnostic information about the battery's health. Flux.ai has the world's largest community-driven public library of Battery Management ICs, with footprints, symbols, datasheets, and simulation models available for use. Whether you are a designer, engineer, or researcher, the Flux.ai library is an invaluable resource for finding the right Battery Management IC for your project.
FS8205A
FS8205A dual N-channel enhancement mode MOSFET, 20V drain-source voltage, 6A drain current, low RDS(on) 22.5mΩ at VGS=4.5V and 27mΩ at VGS=2.5V, low gate charge, ±12V gate-source voltage, 26A pulsed drain current, 2W power dissipation, suitable for battery protection, load switch and power management applications, SOT-23-6L surface mount package.
1.2k Uses0 StarsRS01010R00FE73
10 Ohms ±1% 10W Through Hole Resistor Axial Moisture Resistant Wirewound RS01010R00FE73 is a surface-mount, low-ohmic current sense resistor designed for precision current measurement and power management applications. It features a robust metal element construction that provides excellent thermal stability, low inductance, and high accuracy. This component is commonly used in power supplies, battery management systems, motor control circuits, and DC-DC converters where accurate current sensing is critical. Key Features Ultra-low resistance value for current sensing applications High power rating in compact SMD package Tight tolerance for precision measurement Low temperature coefficient for stable performance Excellent pulse handling capability RoHS compliant and lead-free Electrical Characteristics Resistance Value: 0.010 Ω (10 mΩ) Tolerance: ±1% Power Rating: 1 W Temperature Coefficient (TCR): ±75 ppm/°C (typical) Operating Temperature Range: -55°C to +155°C Mechanical Characteristics Package Type: Surface Mount (SMD) Package Size: 2512 (approx. 6.3 mm × 3.2 mm) Construction: Metal strip / metal element Termination: Nickel barrier with matte tin plating Performance Characteristics Low parasitic inductance for high-frequency applications High thermal conductivity for efficient heat dissipation Stable resistance over temperature and load conditions Suitable for high current measurement Applications Current sensing in power supplies Battery management systems (BMS) Motor control and drive circuits DC-DC converters Automotive electronics #CommonPartsLibrary #Resistor #THT #Axial
1 Uses0 StarsSTUSB4500QTR
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<sub>SYS</sub>: 3.0 V – 5.5 V V<sub>DD</sub>: 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
535 Uses0 StarsBQ24075TRGTR
1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC with 4.2 VBAT The BQ24075TRGTR (from Texas Instruments) is a highly integrated single-cell Li-Ion / Li-Polymer linear battery charger IC with power-path management. It is designed for portable and space-constrained applications, allowing a device to be powered from a USB port or AC adapter while simultaneously charging the battery. The device integrates charging control, power-path management, and safety features into a compact package. A key feature is its Dynamic Power Path Management (DPPM), which ensures the system is powered even when the battery is low or absent, while intelligently managing charging current. Key Features Battery Charging Supports single-cell Li-Ion / Li-Polymer batteries Up to 1.5 A programmable charge current Three-phase charging: Pre-charge (conditioning) Constant current Constant voltage Fixed 4.2 V charge voltage Power Path Management Dynamic Power Path Management (DPPM): Powers system and charges battery simultaneously Prioritizes system load over charging Allows system operation even with: Deeply discharged battery No battery connected Input & Power Features Operates from: USB input (100 mA / 500 mA selectable) AC adapter Programmable input current limit up to 1.5 A Input voltage range: ~4.35 V to 6.4 V (28 V max rating) Input dynamic power management (VIN-DPM) prevents source overload Protection & Safety Thermal regulation and shutdown Over-voltage protection (OVP) Short-circuit and reverse current protection Battery temperature monitoring (NTC thermistor input) Battery disconnect (SYSOFF) feature Control & Status Standalone operation (no MCU required, resistor-programmable) Charge status outputs: Charging Charge complete Power good Physical Characteristics Package: 16-pin VQFN (3 mm × 3 mm) Operating temperature: –40°C to +85°C #commonpartslibrary #integratedcircuit #powermanagement #batterycharger
596 Uses0 Stars