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.
SS510
All details fully confirmed across multiple sources. The SS510 is a 5.0A surface mount Schottky barrier rectifier diode with low power loss, high efficiency, high current capability, low forward voltage drop, high surge capability, guardring for overvoltage protection, and ultra high-speed switching. Here's the complete spec. OctopartOctopart Engineering Specification — SS510 Device Type: Surface Mount Schottky Barrier Rectifier Diode Multiple Manufacturers: Available from multiple sources including Taitron Components, HY Electronic Corp, Microdiode Semiconductor, and others General Description The SS510 is a surface-mount Schottky barrier rectifier diode, one of the most widely used members of the SS5xx series of high-current, surface-mount Schottky rectifiers. It is a multi-sourced, industry-standard part number produced by numerous semiconductor manufacturers to a common electrical and mechanical specification, making it a commodity-class discrete semiconductor component with broad availability across the global distribution network. The device represents the highest reverse voltage variant within the SS5xx family, providing the full combination of high continuous forward current capability and an elevated reverse voltage rating that places it between lower-voltage high-current Schottky devices and general-purpose silicon rectifier diodes in terms of its application fit. Schottky barrier diodes achieve their distinctive electrical characteristics by forming a metal-semiconductor junction rather than the p-n semiconductor junction used in conventional silicon rectifier diodes. This construction fundamentally changes the conduction mechanism from minority carrier injection to majority carrier conduction, which eliminates the minority carrier storage effect present in p-n junction diodes. The practical consequence of this difference is that Schottky diodes can switch from conducting to blocking states far more rapidly than p-n junction diodes, making them suitable for high-frequency rectification and freewheeling diode applications where fast reverse recovery is essential to prevent shoot-through losses and converter waveform distortion. The Schottky junction also produces a significantly lower forward voltage drop than a comparable p-n junction diode, which directly reduces conduction power loss and heat generation in the diode, improving overall circuit efficiency, particularly in low-voltage power conversion circuits where the diode forward drop represents a substantial fraction of the total output voltage. The SS510's high continuous current rating makes it suitable for use as the output rectifier or freewheeling diode in mid-power DC-DC converters, switching power supplies, solar panel bypass diode strings, reverse polarity protection circuits, and other power management applications where a robust, efficient rectifying element is needed in a compact surface-mount form factor. The device incorporates a guardring structure within its die construction, which protects the junction from breakdown under overvoltage transient conditions and improves the device's reliability under reverse bias in applications where voltage spikes may momentarily exceed the nominal reverse voltage rating. Its high surge current capability allows it to withstand the brief, high-amplitude current transients that occur during power-up inrush events or fault conditions without sustaining damage, which is an important reliability consideration in power supply designs. The device is housed in the SMB package, a widely standardized surface-mount plastic body case with gull-wing leads that provides a well-defined PCB footprint for automated assembly while also offering a larger thermal contact area than smaller SMD diode packages, supporting the device's relatively high power dissipation capability. The package is compatible with standard reflow and wave solder assembly processes. Spec Sheet Identification Part Number: SS510 Series: SS5xx Surface Mount Schottky Rectifier Family Manufacturer: Multi-sourced commodity part number Functional Classification Device Type: Schottky barrier rectifier diode Junction Type: Metal-semiconductor Schottky junction Configuration: Single diode Electrical Characteristics Reverse Voltage Rating: High-voltage class for Schottky rectifier, highest in SS5xx series Average Forward Current: High continuous current class Peak Forward Surge Current: High surge capability for inrush and transient events Forward Voltage Drop: Low forward voltage drop, characteristic of Schottky junction Reverse Leakage Current: Low reverse leakage class Junction Capacitance: Low junction capacitance, supporting high-speed switching Switching Performance Recovery Type: Ultra high-speed, negligible reverse recovery time Switching Mechanism: Majority carrier conduction, no minority carrier storage Protection Features Guardring: Integrated guardring for overvoltage protection and junction ruggedness Thermal Characteristics Operating Junction Temperature Range: Extended range, standard high-reliability diode class Storage Temperature Range: Matches operating junction temperature limits Thermal Resistance, Junction to Lead: Defined per package specification Thermal Resistance, Junction to Ambient: Defined per PCB copper pad area Package & Mechanical Package Type: SMB (DO-214AA) Mounting Method: Surface mount technology (SMT) Polarity Marking: Cathode band marked on body per standard convention Target Applications Output rectification in DC-DC switching converters Freewheeling diodes in inductive switching circuits Reverse polarity protection Low-voltage power supply rectification Solar panel bypass diodes Battery charging circuits Environmental & Qualification RoHS Compliance: Yes, lead-free per standard multi-source specifications Packaging Supply Format: Tape-and-reel, per manufacturer standard packaging #SS510 #SchottkyDiode #SchottkyRectifier #SurfaceMountDiode #SMBDiode #DO214AA #PowerRectifier #FreewheelDiode #LowForwardVoltage #HighSpeedSwitching #PowerElectronics #DCDCConverter #PowerSupply #ReversePolarity #DiscreteComponent #SemiconductorDiode #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #CommodityPart
35 Uses0 StarsWSLP3921L2000FEA
0.2 mOhms ±1% 9W Chip Resistor Nonstandard Anti-Sulfur, Automotive AEC-Q200, Current Sense, Moisture Resistant, Pulse Withstanding Metal Element The WSLP3921L2000FEA is a power metal strip current sense resistor manufactured by Vishay Dale, designed specifically for precision current measurement applications in power electronics circuits. It belongs to the WSL/WSLP family, a line of low-resistance, high-power surface-mount resistors built using a metal strip element rather than conventional thick-film or thin-film resistive technology, giving it characteristics that are particularly well suited to current sensing rather than general-purpose resistive applications. The defining characteristic of this component is its very low resistance value, which allows it to be placed in series with a current path while introducing minimal voltage drop and power loss, while still producing a measurable voltage signal proportional to the current flowing through it. This voltage signal can then be read by current-sense amplifiers, comparators, or analog-to-digital converters to provide accurate real-time current feedback for power supply regulation, overcurrent protection, battery management, motor control, and similar applications where knowing the instantaneous current is essential to safe and efficient operation. The metal strip construction used in this series offers a low temperature coefficient of resistance compared to thick-film alternatives, meaning the resistor's value remains more stable across varying operating temperatures, which directly improves the accuracy of current measurements taken over a wide thermal range. The element is also engineered for low thermal EMF and minimal self-inductance, both of which are important for maintaining measurement fidelity in fast-switching power conversion circuits where parasitic effects can otherwise distort the sensed signal. This particular part is qualified to automotive component reliability standards, reflecting its suitability for use in vehicle electrical systems, battery packs, and other safety- or reliability-critical power applications where component robustness under thermal cycling, vibration, and long-term stress must be assured. The device also features moisture-resistant and pulse-withstanding construction, along with a nonstandard anti-sulfuration design intended to resist corrosion-related resistance drift that can occur in resistors exposed to sulfur-containing environmental contaminants over time, a known failure mode in some conventional thick-film resistor technologies. The component is housed in a surface-mount package and is supplied on tape-and-reel packaging suitable for automated assembly, with construction compliant to RoHS material restrictions. Spec Sheet Identification Part Number: WSLP3921L2000FEA Series: WSLP Manufacturer: Vishay Dale Functional Classification Device Type: Current sense resistor Construction: Power metal strip element Application Role: Series current-sensing element for analog current measurement Electrical Characteristics Resistance Value: Ultra-low resistance class, optimized for current sensing Resistance Tolerance: Tight tolerance class for measurement accuracy Power Rating: High power dissipation class for its footprint Temperature Coefficient of Resistance: Low TCR for stable measurement across temperature Thermal EMF: Low thermal EMF construction Self-Inductance: Low parasitic inductance, suited to fast-switching circuits Reliability & Environmental Features Anti-Sulfuration: Nonstandard anti-sulfur construction for corrosion resistance Moisture Resistance: Moisture-resistant build Pulse Withstanding: Rated for pulse-load withstanding capability Automotive Qualification: AEC-Q200 qualified RoHS Compliance: Yes Mechanical Specifications Case Size Class: 3921 surface-mount footprint Mounting Method: Surface mount technology (SMT) Terminal Construction: Metal strip element with welded or clad terminations per series design Packaging Packaging Format: Tape-and-reel Packaging Code Meaning: Suffix denotes lead-free, standard reel quantity packaging #WSLP3921 #VishayDale #Vishay #CurrentSenseResistor #MetalStripResistor #PowerResistor #ShuntResistor #AECQ200 #CurrentSensing #PowerElectronics #SMTResistor #BatteryManagement #MotorControl #OvercurrentProtection #ResistorDatasheet #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #PassiveComponent
0 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
18 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 Stars7461147
WP-BUFU REDCUBE Bush, full height: 7mm, total height: 10.5mm, thread length: 4mm, pin length: 3.5mm, raster: 2.54mm, REDCUBE Press-Fit; M5, blind 4mm 16 Pin Screw Terminal, Power Tap M5 Through Hole The 7461147 is a high-current PCB-mounted power terminal from the REDCUBE® WP-BUFU series by Würth Elektronik. It is designed to provide a robust and low-resistance connection for transferring high currents between cables, busbars, and printed circuit boards. The terminal utilizes press-fit technology, eliminating the need for soldering while ensuring a gas-tight, vibration-resistant electrical connection. It is particularly suitable for power distribution, industrial equipment, automotive electronics, battery systems, and renewable energy applications. Key Features High current rating up to 180 A M5 screw terminal for secure high-power connections Press-fit termination for solderless PCB assembly 16-pin through-hole mounting configuration Gas-tight electrical connection for long-term reliability Excellent resistance to vibration and mechanical shock Low contact resistance for efficient power transfer Simplifies manufacturing by eliminating soldering processes Suitable for high-current power distribution and battery applications RoHS compliant design Typical Applications Power supplies and power converters Battery management and energy storage systems DC-DC and DC-AC converters Industrial automation equipment Automotive power electronics Solar and wind energy systems High-current PCB power distribution networks #CommonPartsLibrary #REDCUBE #PowerTerminal #PressFit #HighCurrentConnector #PCBTerminal #WurthElektronik #IndustrialElectronics #AutomotiveElectronics #PowerDistribution #EnergyStorage #RenewableEnergy #7461147
160 Uses0 StarsAO3401
MOSFET P-CH 30V 4.1A SOT-23 The AO3401 is a 30 V P-Channel Enhancement Mode MOSFET designed for high-efficiency power switching applications. It uses advanced trench MOSFET technology to achieve low on-resistance (RDS(on)), low gate charge, and fast switching performance. Packaged in a compact SOT-23 package, it is widely used in load switching, battery-powered devices, reverse-polarity protection circuits, and power management applications. Key Features P-Channel MOSFET Drain-Source Voltage (VDS): −30 V Continuous Drain Current (ID): up to −4 A (25°C) Low RDS(on): 50 mΩ max @ VGS = −10 V 60 mΩ max @ VGS = −4.5 V 85 mΩ max @ VGS = −2.5 V Low Gate Charge: 7 nC typical @ 4.5 V Gate-Source Voltage Rating: ±12 V Low Threshold Voltage: −0.5 V to −1.3 V Fast Switching Characteristics Compact SOT-23 Surface-Mount Package Operating Junction Temperature: up to 150°C Suitable for Low-Voltage Logic-Level Drive Applications Typical Applications Load switches Battery protection circuits Reverse-polarity protection Power-path management DC-DC converters Portable and battery-powered electronics PWM switching applications #CommonPartsLibrary #Transistor #FET #Mosfet
27 Uses0 StarsBQ25792RQMR
Charger IC Lithium Ion/Polymer 29-VQFN-HR (4x4) The BQ25792 is a fully integrated switch-mode buck-boost charger for 1-4 cell Li-ion batteries and Li-polymer batteries. The integration includes 4 switching MOSFETs (Q1, Q2, Q3, Q4), input and charging current sensing circuits, the battery FET (QBAT) and all the loop compensation of the buck-boost converter. It uses NVDC power path management, regulating the system slightly above the battery voltage without dropping below a configurable minimum system voltage. When system power exceeds the input source rating, battery supplement mode supports the system without overloading the input source. BQ25792 supports the full input and output (OTG) voltage ranges for USB Type-C™ and USB power delivery (USB-PD) applications. • High power density, high integration buck-boost charger for 1-4 cell batteries supporting any USB PD 3.0 profile – Integrates four switching MOSFETs, BATFET – Integrates input and charging current sensing • Highly efficient – 750-kHz or 1.5-MHz switching frequencies – 5-A charging current with 10-mA resolution • 96.5% efficient: 16-V battery at 3A from 20V • Supports a wide range of input sources – 3.6-V to 24-V wide input operating voltage range with 30-V absolute maximum rating – Maximum power tracking with input voltage dynamic power management (VINDPM) up to 22 V and input current dynamic power management (IINDPM) up to 3.3 A – Detects USB BC1.2, SDP, CDP, DCP, HVDCP and non-standard adapters • Dual-input power mux controller (optional) for source selection • Narrow voltage DC (NVDC) power path management • Powers USB port from battery (USB OTG) – 2.8-V to 22-V OTG output voltage with 10-mV resolution to support USB-PD PPS – OTG output current regulation up to 3.32 A with 40-mA resolution • Flexible autonomous and I2C mode for optimal system performance • Integrated 16-bit ADC for voltage, current, and temperature monitoring • Low battery quiescent current – 21 µA for battery only operation – 600 nA in Charger Shutdown Mode • High accuracy – +0.65% to -0.85% charge voltage regulation for 2S-4S batteries – ±5% charge current regulation – ±5% input current regulation • Safety – Thermal regulation and thermal shutdown – Input/battery OVP and OCP – Converter MOSFETs OCP – Charging safety timer • Package – 29-Pin 4 mm × 4 mm QFN #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-Charger
72 Uses0 StarsHoJLR2512-3W-10mR-1%
3W 10mΩ Patch Current Sensing Resistors ±1% 2512 Current Sense Resistors / Shunt Resistors The HoJLR2512-3W-10mR-1% is a surface-mount current-sense (shunt) resistor manufactured by Milliohm Electronics. It features an ultra-low resistance value of 10 mΩ (0.01 Ω) in a 2512 package and is designed for high-current applications where accurate current measurement and low power loss are required. The resistor uses a metal element construction, providing excellent stability, low inductance, and reliable performance in power management, battery monitoring, motor control, and DC-DC converter applications. Key Features Resistance: 10 mΩ (0.01 Ω) Tolerance: ±1% for accurate current sensing Power Rating: 3 W Package Size: 2512 (6.4 mm × 3.2 mm) SMD package Metal Element Construction for low resistance drift and high reliability Current Sense Optimized for power monitoring and overcurrent protection circuits Non-Inductive Design suitable for high-frequency switching applications Moisture Resistant construction for improved environmental robustness Temperature Coefficient: ±50 ppm/°C typical Operating Temperature Range: −50°C to +170°C RoHS Compliant Typical Applications Battery management systems (BMS) Power supplies and DC-DC converters Motor control and drive systems Current monitoring circuits Overcurrent protection circuits Industrial and automotive electronics (where qualification requirements permit) #CommonPartsLibrary #Resistor
132 Uses0 Stars