Semitec 103AT-2, NTC Thermistors 10kohm 1%

NTC Thermistor 0603 (1608 Metric) Template NO default properties #simplifiedFootprint #noProp #commonpartslibrary #ntc #thermistor #sensor #temperature #transducer

Thermistor NTC 100K Ohm 5% 2-Pin 0805 Surface Mount Solder Pad 4150K T/R

NTC Thermistor 10k 3570K 0805 (2012 Metric) #commonpartslibrary #ntc #thermistor

NTC Thermistor 10kOHM 3977K Bead #commonpartslibrary #thermistor

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

NTC Thermistor 10k 3380K 0201 (0603 Metric) #commonpartslibrary #crystal #oscillator

NTC Thermistor 10k Disc, 4.5mm Dia x 4.5mm W #commonpartslibrary #thermistor

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

Battery Power Management IC Multi-Chemistry 14-TSSOP The bq34210-Q1 1-Series Cell System-Side CEDV Fuel Gauge provides fuel gauging and End-of-Service (EOS) Determination for 1-series cell batteries in applications that encounter infrequent discharge, such as eCall systems and uninterruptible power supplies (UPS) for backup during power failures, where batteries may stay connected to a charging power source most of their lifetime until needed. The bq34210-Q1 fuel gauge supports multiple battery chemistries, including Li-Ion, LiFePO4, and NiMH. The gas gauging function uses voltage, current, and temperature data along with Compensated End-ofDischarge (CEDV) technology to provide State-ofCharge (SOC) and State-of-Health (SOH) data. The device's EOS Determination function alerts when battery capability has degraded and is approaching the end of its usable service. Battery fuel gauging with the bq34210-Q1 fuel gauge requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery management system. Features 1• Automotive-Qualified AEC-Q100, Grade 3 • 1-Series Cell Battery Fuel Gauge Supports Li-Ion, LiFePO4, and NiMH (3-Cell) Chemistries – Resides on System Board – Powers Directly from the Battery with Integrated LDO – Supports a Low-Value External Sense Resistor (10 mΩ) • Learning Load Enable (LEN) from Host • Ultra-Low Power Consumption in NORMAL (50 µA) and SLEEP (9 µA) Modes • Supports Replacement Batteries • Accurate End-of-Service (EOS) Determination for Batteries in Rarely Discharged Applications • CEDV Gas Gauge for 1-Series Cell Batteries, Providing: – State-of-Charge (SOC) – Time-to-Empty (TTE) – State-of-Health (SOH) • High-Side and Low-Side Current Sensing Options • Internal Temperature Sensor OR External Thermistor • Microcontroller Peripheral Interface Supports: – 400-kHz I 2C™ Serial Interface – Configurable Interrupt (ALERT) for SOC, Battery Levels, Temperature Faults, and Charge/Discharge Status 2 Applications • eCall Systems • Telematics Backup Systems • Uninterruptible Power Supply (UPS) Backup Systems • Emergency Battery Power Modules #BatteryFuelGauge #BatteryManagement #FuelGaugeIC #AutomotiveElectronics #TexasInstruments #LiIonBattery #LiFePO4 #I2C #PowerManagement #AECQ100 #BackupBattery #UPS #EmbeddedSystems

NTC Thermistor 10k 0402 (1005 Metric) #CommonPartsLibrary #Sensor #Temperature-sensor #Transducer #Thermistor

NTC Thermistor 10k 0603 (1608 Metric) NTC Thermistor 10k 0603 (1608 Metric)

NTC Thermistor 10k 0805 (2012 Metric) The TX08F103F3435ER is a surface-mount NTC (Negative Temperature Coefficient) thermistor designed to measure temperature by changing its resistance as temperature varies. It is commonly used in compact electronics for temperature monitoring, control, and protection circuits. It comes in a small 0805 (2012 metric) SMD package, making it suitable for high-density PCB designs. ⭐ Key Features NTC thermistor (negative temperature coefficient type) Nominal resistance: 10 kΩ @ 25°C B-value: 3435 K (B25/85) High precision: ±1% resistance tolerance B-value tolerance: ±1% SMD package: 0805 (2012 metric size) Wide operating temperature range: -40°C to +125°C Low power dissipation (max ~130 mW) Fast thermal response due to small package size RoHS compliant and suitable for automated PCB assembly Designed for temperature sensing, compensation, and control applications #commonpartslibrary #ntc #thermistor

PTC Thermistor 10 kOhms 1206 (3216 Metric) #CommonPartsLibrary #Sensor #Transducer #Temperature-Sensor #PTC-Thermistor #TFPT

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

This project is a reference design based on the BQ25895, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #Module #BQ25895 #ReferenceDesign #charger #BatteryManagement #reusable #module #bms #texas-instruments #sublayout

This project is a reference design based on the BQ24295, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #Module #BQ24295 #ReferenceDesign #charger #BatteryManagement #reusable #module #bms #texas-instruments #sublayout