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.
BQ79612PAPRQ1
BQ7961x-Q1 family (BQ79612-Q1, BQ79614-Q1, BQ79616-Q1, BQ79616H-Q1) are automotive-grade, functional safety-compliant battery monitoring and balancing ICs from Texas Instruments for high-voltage Battery Management Systems (BMS). The devices support 12, 14, or 16 series-connected lithium-ion battery cells and provide high-accuracy voltage measurements, integrated cell balancing, hardware protection, temperature monitoring, and isolated daisy-chain communication. Designed for hybrid and electric vehicles (HEV/EV) and energy storage systems (ESS), the BQ7961x-Q1 family supports ISO 26262 functional safety up to ASIL D, integrated diagnostics, redundant voltage measurement paths, configurable digital filtering, and stackable architectures for large battery packs. The family offers precise battery state monitoring, enhanced safety, and scalable BMS implementation for automotive and industrial energy storage applications. Search Keywords: BQ79612-Q1, BQ79614-Q1, BQ79616-Q1, BQ79616H-Q1, BQ7961x-Q1, Texas Instruments BQ79616, Battery Monitor IC, Battery Management System IC, BMS Controller, Automotive BMS, EV Battery Monitor, Cell Balancing IC, High Voltage Battery Monitor, ISO26262 ASIL-D, Automotive Battery Protection, Lithium Battery Monitor, Energy Storage BMS, Stackable Battery Monitor, Battery Pack Monitoring, Cell Voltage Measurement IC, Electric Vehicle Battery Management Hashtags: #BQ79612Q1 #BQ79614Q1 #BQ79616Q1 #BQ79616HQ1 #BQ7961xQ1 #TexasInstruments #BatteryManagementSystem #BMS #CellBalancing #BatteryMonitor #ElectricVehicle #EVBattery #EnergyStorage #LithiumBattery #AutomotiveElectronics #ISO26262 #ASILD #PowerElectronics #EmbeddedSystems #HardwareDesign BQ79612-Q1
8 Uses0 Stars1782
MCP9808 - Temperature Sensor Evaluation Board The Adafruit 1782 MCP9808 Temperature Sensor Breakout is a compact sensor evaluation board that enables high-accuracy digital temperature measurement using the MCP9808 sensor IC. It supports an I²C communication interface, allowing simple connection to microcontrollers while maintaining high precision over a wide operating temperature range. Key Features High Accuracy Temperature Sensing: Typical accuracy of ±0.25°C for reliable temperature monitoring. Wide Temperature Range: Measures temperatures from -40°C to +125°C. Digital I²C Interface: Simple two-wire communication interface for easy integration with embedded systems. High Resolution: Provides temperature resolution up to 0.0625°C. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, compatible with common logic levels. Multiple Device Addressing: Configurable address pins allow multiple sensors to share the same I²C bus. Compact Breakout Board Design: Includes supporting components and headers for quick prototyping. Low Power Consumption: Suitable for battery-powered and portable applications. Applications IoT environmental monitoring Weather stations Industrial temperature monitoring Battery management systems Data logging equipment Embedded control systems Hashtags #Adafruit1782 #MCP9808 #TemperatureSensor #DigitalSensor #I2C #EmbeddedSystems #IoT #Arduino #RaspberryPi #SensorModule #ElectronicsDesign #HardwareDevelopment
1 Uses0 StarsNPM1100-QDAA-R7
Battery Power Management IC Lithium Ion/Polymer 24-QFN (4x4) nPM1100 is an integrated Power Management IC (PMIC) with a linear-mode lithium-ion/lithium-polymer battery charger in a compact 2.1x2.1 mm WLCSP package. It has a highly efficient, dual-mode configurable output DC/DC buck regulator. nPM1100 is an extremely compact PMIC device, created for space constrained applications with a small lithium-ion or lithium-polymer battery. It is compatible with all nRF52 and nRF53 Series SoCs and supports charging batteries at up to 500 mA through USB, and also delivers up to 150 mA of current to power external components with regulated voltage. A minimum of five passive components are required for operation and the device functions without a control interface. It is the perfect companion for nRF52 and nRF53 multiprotocol SoCs in battery powered designs. Low quiescent current (IQ) extends battery life during shipping and storage with Ship mode, or in operation using auto-controlled hysteretic buck mode for high efficiency down to 1 µA loads. Charge and error indication LED drivers are built in. Charge profile limits are configurable and VBUS current limits can be fixed or auto-controlled with on-chip USB port detection. • 400 mA linear battery charger • Linear charger for lithium-ion/lithium-polymer batteries • Adjustable charge current from 20 mA to 400 mA • Selectable termination voltage of 4.1 V or 4.2 V • Automatic trickle, constant current, and constant voltage charging • Battery thermal protection • Discharge current limitation • JEITA compliant • Li-ion/Li-polymer USB battery charger with a high efficiency buck regulator • 800 nA - Typical quiescent current • 460 nA - Shipping mode quiescent current • Thermal protection • Input regulator • USB compatible current limit of 100 mA and 500 mA • 4.1 V to 6.7 V input voltage range for normal operation • 20 V overvoltage protection • Reverse current protection • 3.0 V to 5.5 V system voltage output • USB port detection supporting the following types: • SDP • CDP/DCP • 1.8 V to 3.0 V, 150 mA step-down buck regulator • Step-down buck regulator with up to 92% efficiency • Automatic transition between hysteretic and pulse width modulation (PWM) modes • Forced PWM mode for clean power operation • Pin-selectable output voltage (1.8 V, 2.1 V, 2.7 V, 3.0 V) • Soft start-up • LED drivers for charger state indication • 5 mA low side LED driver for charging indication • 5 mA low side LED driver for error indication • 2.3 V to 4.35 V battery operating input range • 2.1x2.1 mm WLCSP package • Suitable for two layer PCB design #CommonPartsLibrary #IntegratedCircuit #NordicSemiconductor #nPM1100 #PMIC #BatteryCharger #PowerManagement #LiIon #LiPolymer #BuckConverter #Wearables #IoT #WirelessSensor #LowPowerDesign #USBCharging #EmbeddedSystems #nRF52 #nRF53 #PortableElectronics
22 Uses0 StarsIP5407
IP5407 is a multi-function power management soc with integrated boost converter, lithium battery charge management, and battery power indication, providing a complete power solution for mobile power. IP5407 has high integration and rich functions, so it only needs few peripheral devices in application，effectively reduce the size of the overall solution and reduce BOM cost. IP5407's synchronous boost system provides 2.1A / 2.4A output current, and the conversion efficiency is as high as 93%. At light load, it automatically turns off the LED power indicator and maintains the 5V voltage output to sleep, and the quiescent current drops below 150uA. IP5407 uses switch charging technology to provide 2.0a current at the input, with charging efficiency up to 91%.Built-in IC internal temperature and input voltage detection and intelligent adjustment of charging current. IP5407 supports 4, 2, 1 LED power display and lighting functions. IP5407 is available in ESOP8 package. Charge and discharge of synchronous switch 2.1A / 2.4A synchronous boost conversion, 2.0A synchronous switch charging Boost efficiency up to 93% Charging efficiency up to 91% Built-in power supply path management, supporting charging and discharging at the same time Double click to turn on the Output supports linear compensation of 60mV charging Automatically adjust the charging current to match the output capability of the adapter Support 4.20V,4.35V batteries Power display Support 4/2/1 LED power display Supports 4 light models: IP5407 Support 2/1 light models: IP5407_2D1D Multifunction Built-in floodlight driver Automatically detect phone insertion and removal Integrated mobile phone charging current intelligent identification DCP Support battery NTC temperature protection. Low power consumption Output fixed normally open 5V Standby power consumption is less than 150uA BOM are simple and few Built-in power MOS, single inductor realizes charging and discharging Multiple protections and high reliability Output over-current, over-voltage, short-circuit protection Input overvoltage, overcharge, overdischarge, overcurrent discharge protection over-temperature protection #IP5407 #Injoinic #PowerBankSOC #BatteryCharger #BoostConverter #PowerManagementIC #LithiumBattery #USBCharging #PortablePower #EmbeddedSystems
2 Uses0 StarsWSL2512R2500FEA
RESISTOR, 2512 0.25 Ohm +/- 1.0 % 1 W Vishay WSL Series Power Metal Strip® resistors are ultra-low-value surface-mount current-sense resistors designed for high-current measurement, voltage division, and pulse-handling applications. Using a solid metal resistive element with welded construction, the WSL series provides resistance values as low as 0.0005Ω, extremely low inductance (typically 0.5nH to 5nH), and low thermal EMF (<3µV/°C) for accurate current sensing. Available in multiple package sizes including 0603, 0805, 1206, 2010, 2512, and 2816, these resistors support power ratings up to 2W and are suitable for automotive, industrial, power supply, battery management, motor control, DC/DC converters, and high-current embedded systems. The series is AEC-Q200 qualified and optimized for precision current measurement in demanding environments. Search Keywords: WSL, Vishay WSL, Power Metal Strip resistor, current sense resistor, shunt resistor, low ohm resistor, ultra low resistance resistor, current measurement resistor, 0.0005 ohm resistor, precision shunt resistor, surface mount shunt resistor, high current resistor, AEC-Q200 resistor, battery current sensing, motor current sensing, DC DC converter resistor, power supply current monitor, low inductance resistor, metal strip resistor, current sensing component Hashtags: #WSL #Vishay #PowerMetalStrip #CurrentSenseResistor #ShuntResistor #CurrentMeasurement #LowOhmResistor #PrecisionResistor #AECQ200 #PowerElectronics #BatteryManagement #MotorControl #DCDCConverter #PowerSupplyDesign #IndustrialElectronics #AutomotiveElectronics #EmbeddedSystems #PCBDesign #ElectronicComponents #HardwareDesign
0 Uses0 StarsL9961TR
Battery Multi-Function Controller IC Lithium Ion/Polymer 32-VFQFPN (5x5) L9961 is part of a complete battery pack monitoring, balancing, and protecting system for Li-Ion and Li-Polymer cells in 3, 4 or 5 series configurations. The L9961 uses a high precision ADC to provide cell voltage, stack voltage and temperature conversion via external NTC. Voltage monitoring functions are cyclically performed with a programmable loop time. Stack current is also monitored via a high accuracy CSA, continuously running and performing also Coulomb counting. Cell balancing is available and can be simultaneously activated on all cells. IC configuration and information exchange for SOC/SOH estimation are performed via I2C peripheral. The IC also integrates a dual pre-driver programmable in both HS/LS configurations for driving pack relays. L9961 also implements battery pack fuse protection to prevent fire and explosion hazards. A 3.3 V regulator with a high current capability is available for supplying pack controller and other external circuitry in both standby and normal operation modes. The IC protects the battery pack against over/under voltage conditions and monitors for over/ under temperature. It also features protection against overcurrent (both directions) and short-circuit in discharge events. Safety-relevant configurations can be stored in the internal NVM to avoid re-programming the device at each wake-up. Features • 2 μA shipment - DEEP SLEEP mode current and 5 μA standby consumption (with VREG LDO active) standby consumption (with VREG LDO active) • Integrated 3.3 V VREG LDO for supplying MCU and LEDs • Measures cell voltage (3 to 5 cells), with over/undervoltage detection and balance undervoltage protection • 12-bit voltage measurement with maximum error of ±15 mV in the [1.5 – 4.5] V range, for -40 °C < TJ < 105 °C • Measures stack voltage, with over/under voltage detection and plausibility check vs. sum of cells • Measures pack temperature via NTC, with over/undertemperature detection • Ratiometric temperature measurement with ±0.8% max. gain error in the [0.2 – VREG] V range, for -40 °C < TJ < 105 °C • Measures battery current, with Coulomb counting, overcurrent (both directions) and short-circuit in discharge protection. • 16-bit signed current measurement with 0.1% full scale error at room temperature • I 2C peripheral for device programming and data transfers over I2C bus • Cell balancing supporting up to 70 mA per cell • Dual configurable HS/LS predriver for pack relay management • Pack fuse management • Embedded NVM for configuration parameters storage • High hotplug robustness Applications • Cordless power tools • Backup energy storage systems and UPS • Light electric vehicles (e-bikes, scooters, etc.) • Portable and semi-portable equipment • Medical equipment #L9961TR #BatteryManagement #BMS #LiIonBattery #LiPoBattery #STMicroelectronics #BatteryProtection #CellBalancing #CoulombCounting #PowerManagement #EmbeddedSystems #EnergyStorage #EBike #PowerTools #ElectronicsDesign
6 Uses0 StarsSTP75NF68
N-Channel 68 V 80A (Tc) 190W (Tc) Through Hole TO-220 # STP75NF68 ## General Description The STP75NF68 is a high-performance N-channel power MOSFET manufactured by STMicroelectronics and designed for efficient power switching and power management applications. Utilizing advanced STripFET™ power MOSFET technology, the device offers low on-state resistance, high current-handling capability, and excellent switching performance. Its rugged construction and optimized electrical characteristics make it suitable for industrial automation systems, motor control applications, power supplies, battery-powered equipment, DC-DC converters, automotive-support systems, and general-purpose power electronics. The device is engineered to provide high efficiency, reduced power losses, and reliable operation in demanding switching environments. ## Key Features ### Power MOSFET Architecture * N-channel enhancement-mode MOSFET * Advanced STripFET™ technology * Low on-state resistance * High-current switching capability * Optimized power conversion efficiency * Fast switching performance ### Electrical Characteristics * Low conduction losses * High-current carrying capability * Low gate drive requirements * Stable switching operation * Efficient energy transfer performance * Suitable for high-power electronic systems ### Switching Performance * Fast turn-on characteristics * Fast turn-off characteristics * Reduced switching losses * High-frequency operation support * Reliable dynamic performance * Enhanced power management capability ### Thermal Characteristics * High power dissipation capability * Efficient thermal transfer performance * Suitable for heatsink integration * Reliable operation under continuous load conditions * Stable thermal behavior in demanding applications ### Protection and Reliability * Avalanche-rated performance * Rugged semiconductor construction * High reliability under transient conditions * Long operational service life * Enhanced electrical robustness ### Package Characteristics * Through-hole power package * Industry-standard footprint * Easy integration into power electronic assemblies * Suitable for industrial and commercial applications * Compatible with automated and manual assembly processes ### Material Construction * Advanced silicon power MOSFET technology * High-reliability semiconductor materials * RoHS-compliant construction * Lead-free compatible package * Industrial-grade manufacturing quality ### Environmental Characteristics * Suitable for industrial operating environments * Reliable performance under continuous operation * Resistant to electrical and thermal stress * Long-term operational stability ### Application Areas * Motor Control Systems * Switching Power Supplies * DC-DC Converters * Battery Management Systems * Industrial Automation Equipment * Power Distribution Systems * Renewable Energy Equipment * Inverter Applications * Embedded Power Electronics * Automotive Electronic Systems * Uninterruptible Power Supplies * General Power Switching Circuits ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Power Semiconductor Solution ## Manufacturer STMicroelectronics ## Product Family STripFET™ N-Channel Power MOSFET Series #STP75NF68 #STMicroelectronics #PowerMOSFET #NChannelMOSFET #STripFET #PowerElectronics #MotorControl #SwitchingPowerSupply #DCDCConverter #BatteryManagement #IndustrialElectronics #PowerManagement #EmbeddedSystems #ElectronicsEngineering #PowerSemiconductor
0 Uses0 StarsTPSI3100QDVXRQ1
1.5A, 2.5A Gate Driver Magnetic Coupling 5000Vrms 2 Channel 16-SSOP # TPSI3100QDVXRQ1 ## General Description The TPSI3100QDVXRQ1 is an automotive-qualified isolated switch driver manufactured by Texas Instruments and specifically designed for driving solid-state relay architectures based on silicon carbide and gallium nitride power devices. The device integrates an isolated power supply and gate-driver functionality into a compact solution, eliminating the need for external isolated bias supplies in many applications. Its advanced architecture enables reliable control of high-voltage switching systems while providing reinforced isolation, fast switching performance, and enhanced system efficiency. The component is optimized for automotive, industrial automation, energy storage, renewable energy, electric vehicle infrastructure, and high-voltage power conversion applications requiring robust isolation and dependable switching control. ## Key Features ### Isolation Architecture * Integrated isolated switch driver solution * Reinforced isolation technology * High-voltage system compatibility * Enhanced safety and system protection * Reliable signal transfer across isolation barriers * Reduced external component requirements ### Driver Characteristics * Optimized gate-drive functionality * Fast switching performance * Efficient control of solid-state switching devices * Stable drive capability * Low-power control operation * High reliability switching support ### Power Management Features * Integrated isolated power supply * Simplified system architecture * Reduced design complexity * Improved power conversion efficiency * Lower overall component count * Optimized power consumption ### Protection Features * Enhanced electrical isolation * Improved system safety * Reliable operation in high-voltage environments * Robust transient immunity * Stable operation during fault conditions * Protection against electrical stress ### Electrical Characteristics * High-speed switching capability * Low standby power requirements * Reliable signal integrity * Stable operation across operating conditions * Suitable for demanding power electronics applications ### Package Characteristics * Compact surface-mount package * High-density PCB layout support * Automated assembly compatible * Industrial and automotive system integration * Space-efficient implementation ### Material Construction * Advanced semiconductor technology * Automotive-grade manufacturing quality * RoHS-compliant materials * Lead-free package construction * High-reliability integrated circuit architecture ### Environmental Characteristics * Automotive-qualified reliability * Suitable for harsh operating environments * Long operational service life * Stable thermal performance * Reliable continuous-duty operation ### Application Areas * Solid-State Relays * Automotive Electronics * Electric Vehicle Systems * Battery Energy Storage Systems * Renewable Energy Equipment * Industrial Automation Systems * High-Voltage Power Conversion * Motor Drive Systems * Charging Infrastructure * Power Distribution Equipment * Industrial Power Supplies * Advanced Power Electronics ### Compliance * Automotive Qualified * RoHS Compliant * Lead-Free Compatible * Industrial and Automotive Grade Isolated Driver Solution ## Manufacturer Texas Instruments ## Product Family TPSI Isolated Switch Driver Series #TPSI3100QDVXRQ1 #TexasInstruments #IsolatedDriver #SolidStateRelay #GateDriver #AutomotiveElectronics #PowerElectronics #SiliconCarbide #GalliumNitride #IndustrialAutomation #EnergyStorage #ElectricVehicles #PowerConversion #EmbeddedSystems #ElectronicsEngineering
0 Uses0 StarsIXFH120N15P
N-Channel 200 V 120A (Tc) 714W (Tc) Through Hole TO-247AD (IXFH) # IXFH120N15P ## General Description The IXFH120N15P is a high-current N-channel power MOSFET manufactured by Littelfuse IXYS. It is designed for demanding power switching and power conversion applications requiring low conduction losses, fast switching performance, and high current-handling capability. Built using advanced power MOSFET technology, the device provides excellent efficiency, ruggedness, and thermal performance for industrial power systems, motor drives, battery management equipment, welding systems, uninterruptible power supplies, renewable energy systems, and high-power DC switching applications. Its robust construction and low on-state resistance make it particularly suitable for designs requiring high efficiency and reliable operation under heavy load conditions. ## Key Features ### Power MOSFET Architecture * N-channel enhancement-mode MOSFET * Advanced power semiconductor technology * Low conduction losses * High-current switching capability * Optimized efficiency for power conversion applications * Fast switching performance ### Electrical Characteristics * Low on-state resistance * High-current carrying capability * Low gate drive power requirements * Excellent switching efficiency * Stable electrical performance under demanding operating conditions * Suitable for high-power applications ### Switching Performance * Fast turn-on characteristics * Fast turn-off characteristics * Reduced switching losses * High-frequency operation capability * Efficient power control functionality ### Thermal Characteristics * High power dissipation capability * Excellent thermal conductivity * Efficient heat transfer performance * Suitable for heatsink mounting * Reliable operation under continuous load conditions ### Protection and Reliability * Avalanche ruggedness * Robust semiconductor structure * Enhanced reliability under transient conditions * Long operational service life * Industrial-grade durability ### Package Characteristics * Through-hole power package * Electrically isolated mounting configuration * Suitable for high-power assemblies * Automated and manual assembly compatibility * Industrial-grade mechanical construction ### Material Construction * Advanced silicon power MOSFET technology * High-reliability semiconductor materials * RoHS-compliant construction * Lead-free compatible package * Rugged power device architecture ### Environmental Characteristics * Suitable for industrial operating environments * High mechanical durability * Stable operation across extended temperature ranges * Reliable continuous-duty performance ### Application Areas * Motor Drive Systems * Industrial Power Supplies * Battery Management Systems * Renewable Energy Equipment * Solar Power Converters * DC-DC Converters * High-Power Switching Circuits * Welding Equipment * Uninterruptible Power Supplies * Electric Vehicle Support Systems * Energy Storage Systems * Industrial Automation Equipment ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Power Semiconductor Solution ## Manufacturer Littelfuse IXYS ## Product Family PolarP N-Channel Power MOSFET Series #IXFH120N15P #IXYS #Littelfuse #PowerMOSFET #NChannelMOSFET #PowerElectronics #MotorDrive #DCDCConverter #PowerSupplyDesign #IndustrialElectronics #EnergyStorage #RenewableEnergy #BatteryManagement #ElectronicsEngineering #PowerSemiconductor #Commonpartslibrary #Transistor #MOSFET #FET #tht
0 Uses0 StarsACS758LCB-100B-PFF-T
Current Sensor 100A 1 Channel Hall Effect, Open Loop Bidirectional 5-CB Formed Leads, PFF The ACS758LCB-100B-PFF-T is a fully integrated Hall-effect current sensor IC from Allegro MicroSystems, designed for accurate and electrically isolated measurement of both AC and DC currents up to ±100 A. It incorporates a precision Hall sensing element positioned near a low-resistance copper current conductor, producing an analog output voltage proportional to the sensed current. The device offers galvanic isolation between the current path and signal pins, making it ideal for high-voltage and high-current applications such as motor drives, power supplies, inverters, battery management systems, and overcurrent protection circuits. Key Features Hall-effect based current sensing for AC and DC currents up to ±100 A Galvanic isolation between current conductor and signal circuitry 120 kHz typical bandwidth for fast current measurement 3 µs typical response time to step current changes 20 mV/A typical sensitivity Ultra-low 100 µΩ internal conductor resistance for minimal power loss Factory-trimmed gain and offset for improved accuracy Typical total output error of 2.4% over temperature Integrated electrostatic shield for improved immunity to high dV/dt and electrical noise Single-supply operation from 3.0 V to 5.5 V High reliability monolithic Hall IC architecture AEC-Q100 qualified for automotive applications Operating temperature range of -40°C to +150°C #ACS758LCB100BPFFT #ACS758 #CurrentSensor #HallEffectSensor #CurrentMonitoring #PowerElectronics #MotorControl #OvercurrentProtection #BatteryManagement #AutomotiveElectronics #AllegroMicroSystems #HighCurrentSensing #DCCurrentSensor #ACCurrentSensor #IndustrialAutomation #commonpartslibrary #currentsensor
34 Uses0 Stars
