Battery Battery Monitor IC Lithium Ion 9-DSBGA The BQ27220YZFR is a highly integrated single-cell battery fuel gauge IC developed for rechargeable lithium-ion and lithium-polymer battery applications. The device utilizes Texas Instruments’ Impedance Track™ algorithm to provide highly accurate battery capacity measurement, state-of-charge estimation, runtime prediction, and battery health monitoring across varying load and temperature conditions. The device is designed for compact portable electronics, wearable devices, IoT products, handheld instruments, and low-power embedded systems requiring precise battery monitoring and extended operating life. The BQ27220YZFR supports system-side fuel gauging without requiring battery pack-side electronics, simplifying battery integration and reducing overall system cost. The fuel gauge continuously monitors battery voltage, current, and temperature to estimate available capacity, remaining runtime, full charge capacity, and state-of-health information. Integrated low-power operation enables ultra-low standby current consumption suitable for always-on battery-powered products. Communication with the host processor is implemented through a standard I²C interface, allowing configuration access, telemetry reporting, and battery parameter monitoring. The device also integrates protection and alert functionality through programmable interrupt outputs and battery condition monitoring features. The BQ27220YZFR is optimized for use with single-cell lithium-based chemistries and supports learning cycles for adaptive battery characterization over product lifetime. Internal data flash memory stores battery profile information and calibration parameters to improve long-term gauging accuracy. The device is supplied in a compact lead-free wafer chip-scale package suitable for space-constrained PCB designs and portable electronics requiring minimal footprint and low-profile assembly. Electrical Characteristics Device Type Single-cell battery fuel gauge and battery monitor IC Battery Chemistry Support Lithium-ion and lithium-polymer rechargeable batteries Input Voltage Range Supports single-cell battery operation Fuel Gauging Method Impedance Track™ algorithm Communication Interface I²C serial interface Measurement Functions Battery voltage monitoring Battery current monitoring Battery temperature monitoring State-of-charge estimation Remaining capacity calculation Full charge capacity estimation State-of-health reporting Runtime prediction Power Consumption Ultra-low operating current for portable applications Temperature Monitoring External thermistor support Host Alert Features Interrupt and alert reporting capability Data Storage Integrated nonvolatile configuration memory Calibration Features Automatic learning and battery characterization support Protection Monitoring Battery condition and system monitoring functions Package Type DSBGA wafer chip-scale package Mounting Style Surface mount Operating Temperature Range Industrial temperature operation suitable for portable electronics Functional Features High-accuracy fuel gauging over battery lifetime Adaptive battery modeling and aging compensation Low-power operation for battery-powered systems Integrated battery profiling capability Real-time remaining runtime estimation Automatic battery learning cycles Compact PCB footprint for portable devices System-side implementation without smart battery pack requirement Programmable battery alert functionality Support for low-power embedded processors and mobile systems Optimized for wearable and IoT applications RoHS compliant and lead-free package construction #commonpartslibrary #integratedcircuit #powermanagement #batterymanagement

300-mA linear battery charger with Power Path, integrated LDO and buck converter 1.8V default output 25-DSBGA -40 to 85 #CommonPartsLibrary #IntegratedCircuit #PowerManagement #BatteryCharger #BQ25120

1 mOhms ±1% 4W Chip Resistor Nonstandard Automotive AEC-Q200, Current Sense Metal Element Bourns Inc. CSS4J-4026R-1L00F is a high-power surface-mount current sense resistor designed for accurate current measurement in power electronics applications. It belongs to the CSS4J-4026 series and uses a metal element construction that provides low resistance, high power handling, and excellent stability for automotive and industrial applications. This device features a 1 mΩ resistance value, ±1% tolerance, and 4 W power rating, making it suitable for monitoring high-current paths while minimizing measurement losses. It is also qualified for AEC-Q200 automotive applications and operates across a wide temperature range. Key Features Component Type: SMD Current Sense Resistor (Metal Element / Metal Strip) Resistance Value: 1 mΩ (0.001 Ω) Resistance Tolerance: ±1% Power Rating: 4 W Package Size: 4026 (approx. 10.06 mm × 6.60 mm) Number of Terminals: 4 terminals (Kelvin sensing configuration) Temperature Coefficient: approximately ±75 ppm/°C Operating Temperature Range: −55°C to +170°C Construction: Metal element current shunt resistor for accurate current measurement Qualification: Automotive AEC-Q200 compliant Typical Applications Battery Management Systems (BMS) EV and automotive power systems Motor control circuits Power supplies and DC/DC converters Overcurrent monitoring and protection circuits Industrial power monitoring equipment #CommonPartsLibrary #Bourns #CSS4J4026 #CurrentSenseResistor #ShuntResistor #MetalElementResistor #AECQ200 #PowerElectronics #BatteryManagementSystem #EVElectronics #SMTComponents #PCBDesign

Power Tracking 2A Battery Charger for Solar Power 12-DFN (3x3) #CommonPartsLibrary #IntegratedCircuits #BatteryChargers #LT3652

Battery Charger Li-Ion 280mA 4.2V T/R / IC BATT CHRGR LI+ 1-CELL SOT-23-5 #CommonPartsLibrary #BatteryManagement #IntegratedCircuit #MAX1555

Battery Holder -25℃~+85℃ Nickel SMD Blade Type Power Connector Assemblies RoHS #CommonPartsLibrary #Connector #battery-holder #21700

3A 125V 125V Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block The CB61F3A-TR1 is a surface-mount fast-acting fuse from Eaton designed for overcurrent protection in compact electronic circuits. It belongs to the CB61F series of SMD “Brick” fuses and is commonly used in power supplies, battery management systems, consumer electronics, servers, and industrial equipment. Key Features Fast-acting fuse for rapid overcurrent protection Current rating: 3 A Voltage rating: 125 VAC / 125 VDC Surface-mount (SMD) package with compact 2410 footprint High interrupt rating: 100 A AC / 300 A DC Low cold resistance: approximately 0.025 Ω Reflow and wave solder compatible Lead-free, halogen-free, and RoHS compliant UL and safety agency approved (cULus, CQC, PSE) Suitable for: Power supplies Battery management systems (BMS) Consumer electronics Medical equipment Industrial electronics #CommonPartsLibrary #Fuse CB61F

High efficiency solar battery charger with embedded MPPT, TSSOP-8L, Tape and Reel #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-Charger #SPV1040

Seeed Studio XIAO ESP32S3 leverages 240MHz Xtensa 32-bit LX7 dual-core processor, supporting both WiFi and BLE 5.0 wireless connectivities, a 2.4GHz Rod antenna, allows for deep sleep mode with power consumption as low as 14μA while supporting lithium battery charging management. Ideal for the Internet of Things, Smart Homes, Wireless wearable devices, Robotics, etc. #SeeedStudio #xiao

Battery Retainer Coin, 24.5mm 1 Cell SMD (SMT) Tab BAT-HLD-006-SMT is a surface-mount coin-cell battery holder designed for secure retention of a single CR2450 lithium coin battery in compact PCB applications. Manufactured by TE Connectivity, it provides a low-profile, reliable power solution for embedded systems, wireless sensors, IoT devices, medical electronics, and backup power circuits. The holder features a horizontal battery orientation, phosphor bronze construction, and nickel-plated contacts for durability and dependable electrical performance. Key Features Supports one CR2450 coin-cell battery Surface-mount (SMT) PCB installation Horizontal battery orientation for low-profile designs Nickel-plated contacts for reliable conductivity and corrosion resistance Phosphor bronze construction for mechanical durability Maximum contact current rating of 1 A Compact design with approximately 6.88 mm height above PCB Suitable for automated assembly and reflow soldering processes Ideal for RTC backup, wireless modules, portable electronics, and IoT devices #BatteryHolder #CR2450 #CoinCellHolder #SMT #SurfaceMount #TEConnectivity #PowerManagement #EmbeddedSystems #IoT #PCBDesign #Electronics #BatteryRetainer #HardwareDesign #ElectronicComponents

Battery Multi-Function Controller IC Multi-Chemistry 20-VQFN (3.5x3.5) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #battery-management

2 Position Wire to Board Terminal Block Horizontal with Board 0.375" (9.53mm) Through Hole # 1714971 ## General Description The 1714971 is a high-current printed circuit board terminal block manufactured by Phoenix Contact and designed for secure power and signal connections in industrial and commercial electronic equipment. The component utilizes a screw-clamp termination mechanism that provides reliable wire retention, low contact resistance, and long-term electrical stability. Its robust construction and through-hole mounting design make it suitable for applications requiring dependable field wiring, high-current handling capability, and resistance to mechanical stress. The terminal block is commonly used in power supplies, industrial automation systems, motor controllers, battery management systems, energy distribution equipment, instrumentation, and other applications requiring secure PCB-mounted power connections. ## Key Features ### Mechanical Characteristics * Through-hole PCB mounting * Screw-clamp wire termination * Side-entry wire connection * High-strength housing construction * Secure field-wire installation * Designed for repeated maintenance and servicing operations ### Electrical Characteristics * High-current carrying capability * Low contact resistance * Reliable electrical conductivity * Stable performance under demanding operating conditions * Suitable for power distribution and control applications ### Contact System * Corrosion-resistant conductive contacts * Screw-actuated clamping mechanism * Secure conductor retention * Reliable electrical connection during vibration and mechanical stress ### Material Construction * Industrial-grade thermoplastic housing * High-conductivity metal contacts * Flame-resistant insulation materials * RoHS-compliant construction ### Environmental Characteristics * Suitable for industrial environments * Resistant to mechanical wear * Durable under continuous operation * Designed for long service life ### Application Areas * Industrial Automation Equipment * Power Supply Systems * Motor Control Circuits * Battery Management Systems * Renewable Energy Equipment * Electrical Distribution Panels * Instrumentation Systems * Process Control Equipment * Embedded Power Electronics * Industrial Control Systems ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade PCB Interconnect Solution ## Manufacturer Phoenix Contact ## Product Family COMBICON PCB Terminal Blocks #PhoenixContact #1714971 #COMBICON #TerminalBlock #PCBTerminalBlock #ScrewTerminal #PowerConnector #IndustrialElectronics #PowerDistribution #IndustrialAutomation #EmbeddedSystems #ControlSystems #ElectronicsDesign #PCBAssembly #ElectricalEngineering

Battery Contact Solid (Positive) Multiple - Cell PC Pin #commonpartslibrary #batteryholder #coil

Battery Multi-Function Controller IC Lithium Ion/Polymer 32-VQFN (4x4) #commonpartslibrary #integratedcircuit #powermanagement #batterymanagement

Battery Management 2-Cell Li-ion Protection IC #CommonPartsLibrary #IntegratedCircuit #PowerManagement #BatteryManagement