Battery Management ICs BQ25120AYFPT DSBGA-25_L2.6-W2.5-R5-C5-P0.40-BL LCSC Part Number: C2861317 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments bq25120A highly integrated low-Iq battery charge management IC for wearables and IoT devices, supports up to 300mA battery charge current, configurable 300mA buck regulator with 1.8V default output, configurable load switch or 100mA LDO output, power path management, battery voltage regulation from 3.6V to 4.65V in 10mV steps, configurable termination current down to 500µA, simple voltage-based battery monitor, push-button wake-up and reset, I2C control interface, 3.4V to 5.5V input voltage range, low quiescent current, suitable for smart watches, fitness accessories, medical wearables and rechargeable toys, 25-ball DSBGA 2.5 x 2.5mm package. Search Keywords: bq25120A, Texas Instruments bq25120A, TI bq25120A, BQ25120A battery charger, bq25120A PMIC, bq25120A wearable charger, bq25120A IoT charger, low Iq battery charger IC, integrated battery charge management IC, 300mA battery charger, power path battery charger, I2C battery charger, bq25120A buck regulator, bq25120A LDO, bq25120A DSBGA-25, bq25120A 2.5x2.5mm, bq25120A datasheet Hashtags: #bq25120A #BQ25120A #TexasInstrumentsBQ25120A #TIBatteryCharger #BatteryChargerIC #BatteryChargeManagement #WearablePMIC #IoTPMIC #LowIqCharger #PowerPathManagement #300mACharger #BuckRegulatorPMIC #I2CCharger #LiIonCharger #WearableCharger #DSBGA25 #25BallDSBGA

Battery Management ICs BQ24040DSQT WSON-10_L2.0-W2.0-P0.40-TL-EP LCSC Part Number: C2876332 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments BQ2404x highly integrated single-cell Li-Ion/Li-Pol linear battery charger IC for space-limited portable applications, supports USB or AC adapter input, selectable 100mA or 500mA USB input current limit, 1% charge voltage accuracy, 10% charge current accuracy, programmable charge termination and precharge thresholds, 4.35V chemistry support on BQ24045, 30V input rating with 6.6V or 7.1V input overvoltage protection, dynamic power management, thermal regulation and 150°C thermal shutdown, OUT short-circuit and ISET short protection, JEITA battery NTC operation, fixed 10-hour safety timer, status indication, available in 10-pin 2x2mm WSON/DFN package. Search Keywords: BQ2404x, BQ24040, BQ24041, BQ24045, Texas Instruments BQ24040, Texas Instruments BQ24041, Texas Instruments BQ24045, TI BQ2404x, BQ24040 battery charger, BQ24041 battery charger, BQ24045 battery charger, single cell Li-Ion charger, Li-Pol battery charger IC, USB battery charger IC, 500mA battery charger, 100mA USB charger, linear battery charger, 4.35V Li-Ion charger, WSON-10 charger, DFN-10 battery charger, 2x2mm charger IC Hashtags: #BQ2404x #BQ24040 #BQ24041 #BQ24045 #TexasInstrumentsBQ24040 #TIBatteryCharger #BatteryChargerIC #LiIonCharger #LiPolCharger #SingleCellCharger #USBChargerIC #LinearBatteryCharger #500mACharger #100mAUSBCharger #435VCharger #JEITACharger #NTCBatteryCharger #WSON10 #DFN10 #2x2mmPackage

BQ25798RQMR QFN-29_L4.0-W4.0-P0.40-TL-BQ25792RQMR LCSC Part Number: C2876593 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments BQ25798 fully integrated switch-mode buck-boost battery charger for 1-4 cell Li-ion and Li-polymer batteries, supports USB PD 3.0 power profile, integrates four switching MOSFETs, BATFET, input and charging current sensing, 3.6V to 24V input operating range with 30V absolute maximum, 750kHz or 1.5MHz switching frequency, up to 5A charging current with 10mA resolution, up to 96.5% efficiency, supports MPPT for photovoltaic charging, USB BC1.2/HVDCP/non-standard adapter detection, NVDC power path management, USB OTG output from 2.8V to 22V up to 3.32A, I2C control, integrated 16-bit ADC, low quiescent current, thermal regulation, OVP/OCP protection, safety timer, 29-pin 4x4mm QFN package. Search Keywords: BQ25798, Texas Instruments BQ25798, TI BQ25798, BQ25798 battery charger, BQ25798 buck boost charger, BQ25798 Li-ion charger, BQ25798 Li-polymer charger, 1-4 cell battery charger, USB PD 3.0 battery charger, buck boost charger IC, NVDC power path charger, MPPT battery charger IC, photovoltaic battery charger, USB OTG charger IC, 5A charging current charger, I2C battery charger, BQ25798 QFN-29, 4x4mm QFN charger, BQ25798 datasheet Hashtags: #BQ25798 #TexasInstrumentsBQ25798 #TIBatteryCharger #BatteryChargerIC #BuckBoostCharger #LiIonCharger #LiPolymerCharger #1to4CellCharger #USBPDCharger #USBPD30 #NVDCCharger #PowerPathManagement #MPPTCharger #PhotovoltaicCharger #USBOTGCharger #5ACharger #I2CCharger #IntegratedADC #QFN29 #4x4mmQFN

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

Bite-sized Lipoly/Lilon chargers #Sublayout #BatteryCharger

Charger IC Lithium Ion/Polymer 29-VQFN-HR (4x4) The BQ25792 is a switch-mode synchronous buck-boost charger with full power-path management. It can automatically regulate power flow between the input source, system load, and battery. It supports a wide input range and is designed for USB Type-C™ / USB Power Delivery (USB-PD) systems, enabling both charging and OTG (power output from battery) operation. ⭐ Key Features ⚡ High-performance charging Up to 5 A charge current Supports 1S to 4S battery packs High efficiency (up to ~96% under typical conditions) Programmable switching frequency: 750 kHz or 1.5 MHz 🔋 Wide input support Input voltage range: 3.6 V to 24 V Absolute max rating up to 30 V Supports USB adapters and barrel jack sources Detects USB charging standards (BC1.2, DCP, CDP, HVDCP, etc.) 🔄 Buck-boost power conversion Seamless buck, boost, and buck-boost operation Maintains stable system voltage even when battery is low or input varies 🔌 USB-PD / OTG support USB Power Delivery (PD 3.0 compatible) Supports OTG output (battery powers USB port) OTG voltage range: 2.8 V to 22 V 🧠 Intelligent power management NVDC power path management (system can run without battery) Dual-input power mux controller (select between two power sources) Battery supplement mode (prevents input overload) 📊 Monitoring & control Integrated 16-bit ADC for voltage, current, temperature monitoring Fully I²C configurable Autonomous or host-controlled operation 🛡️ Protection & safety Input and battery over-voltage/over-current protection Thermal regulation and shutdown Charging safety timer MOSFET protection (internal switching FETs included) 📦 Package 29-pin VQFN (4 mm × 4 mm) package Industrial temperature range: -40°C to 85°C #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-charger

20V N-Channel Enhancement-Mode MOSFET #IntegratedCircuit #8205LA #MOSFET

Charger IC Multi-Chemistry 16-QSOP #commonpartslibrary #integratedcircuit #powermanagement #batterycharger