The TP4056 1A Li-ion Lithium Battery Charging Module with Current Protection – Mini USB is a compact device designed to charge individual lithium ion (Li-Ion) cells that lack their own protective circuit, such as 16550s, with a single cell capacity of 3.7V and 1 Ah or higher. This battery charging module employs the TP4056 charger IC and DW01 battery protection IC to provide a charge current of 1A, which will cease upon completion of the charging process. https://robocraze.com/products/tp4056-lithium-battery-charging-board #PCB #TP4056 #battery

Wireless Power Receiver PMIC 20-VQFN (3.5x4.5) BQ51013BRHLT is a wireless power receiver integrated circuit from Texas Instruments designed for inductive power transfer applications compliant with wireless charging standards. The device integrates power rectification, voltage regulation, communication control, and protection circuitry to enable efficient wireless charging for portable and embedded electronic devices. This receiver IC is optimized for low-power wireless charging systems and supports seamless energy transfer from compatible transmitter platforms without the need for physical connectors. It provides regulated power output suitable for charging batteries and powering embedded systems while incorporating dynamic power management, foreign object detection support, thermal protection, and overvoltage protection for safe operation. The BQ51013BRHLT is widely used in wearable electronics, wireless sensor platforms, medical devices, mobile accessories, handheld products, and compact consumer electronics requiring cable-free charging capability. Its compact package and high integration level simplify PCB layout and reduce external component requirements for space-constrained wireless power designs. #commonpartslibrary #wirelesscharging #powermanagement #texasinstruments #wirelesspower #batterycharging #embeddedhardware #portableelectronics #electronicscomponents #inductivecharging

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

Charger IC Lithium Ion 16-VQFN (3x3) The BQ24075RGTR is a standalone linear charger and power-path management integrated circuit developed by Texas Instruments for single-cell lithium-ion and lithium-polymer battery applications. The device is designed for portable and space-constrained electronic systems requiring efficient battery charging, USB compatibility, and simultaneous system power delivery. The integrated dynamic power-path management architecture enables the system load to be powered while independently charging the battery. The charger supports operation from either a USB power source or an external adapter and includes programmable charging and input current limiting functions for optimized power management. The device incorporates multiple protection and monitoring features including thermal regulation, overvoltage protection, reverse current protection, battery temperature monitoring, and safety timers. The BQ24075RGTR also provides battery disconnect capability through the SYSOFF control function, making it suitable for low-power and portable embedded designs. Typical applications include portable consumer electronics, handheld instruments, wearable devices, wireless accessories, battery-powered IoT equipment, medical portable systems, and embedded rechargeable products. Device Features Standalone single-cell lithium-ion and lithium-polymer battery charger Integrated power-path management architecture Simultaneous battery charging and system power support USB-compatible input current limiting Programmable fast-charge current capability Dynamic power management for unstable or limited input sources Battery temperature monitoring through external thermistor input Integrated thermal regulation and protection mechanisms Reverse current, short-circuit, and input overvoltage protection Programmable safety timers for pre-charge and fast-charge modes Charging status and power-good indication outputs Battery disconnect functionality through SYSOFF control Compact surface-mount VQFN package implementation Electrical Characteristics Designed for single-cell lithium-ion or lithium-polymer batteries Fixed battery regulation voltage suitable for standard single-cell charging Supports USB and external adapter input operation Linear charging topology Wide operating temperature range for portable and industrial applications Programmable input current limit for USB compliance and adapter compatibility Package Information Package Type: VQFN Pin Configuration: Sixteen-pin package Mounting Style: Surface mount Package Dimensions: Compact three-millimeter square footprint Functional Overview The BQ24075RGTR manages power distribution between the external input source, the system load, and the rechargeable battery. When external power is present, the device prioritizes powering the system while charging the battery according to programmable charging parameters. Dynamic power management prevents excessive loading of weak USB or adapter sources by automatically reducing charging current when necessary. Thermal regulation circuitry continuously monitors device temperature and adjusts charging operation to maintain safe operating conditions. Additional integrated protection functions ensure reliable operation during fault conditions such as input overvoltage, battery temperature abnormalities, reverse current flow, and output short circuits. #commonpartslibrary #integratedcircuit #powermanagement

Charger IC Multi-Chemistry 36-VQFN (5x6) The BQ25750RRVR is a highly integrated switch-mode battery charge controller and power-path management device designed for single-cell to multi-cell lithium-ion and lithium-polymer battery-powered systems. The device supports bidirectional power conversion, enabling both battery charging and system power delivery through USB Type-C and other DC power sources. It integrates high-efficiency buck-boost charging architecture to maintain optimal charging performance across a wide input voltage range. The device is intended for portable electronics, industrial handheld equipment, USB Power Delivery applications, embedded systems, and battery-powered computing platforms requiring advanced power management and flexible charging capability. Integrated power-path management allows simultaneous system operation and battery charging while maintaining battery protection and system stability. The BQ25750RRVR supports programmable charging parameters through an I2C interface, including charge voltage, charge current, input current limit, and system power regulation. The device includes comprehensive protection functions such as overvoltage protection, overcurrent protection, thermal regulation, battery temperature monitoring, and fault reporting. High switching frequency operation enables reduced external component size and compact PCB implementation. Features Integrated synchronous buck-boost battery charger Supports USB Power Delivery and wide DC input sources Bidirectional power conversion capability I2C programmable charging and system parameters Integrated power-path management High-efficiency charging operation Supports multi-cell lithium-ion and lithium-polymer batteries Programmable input current and charge current limits Dynamic power management and system voltage regulation Integrated ADC monitoring for voltage, current, and temperature Battery supplement mode during adapter removal OTG boost mode support Thermal regulation and thermal shutdown protection Input overvoltage and overcurrent protection Battery overvoltage protection Safety timer and watchdog timer support NTC thermistor interface for battery temperature monitoring Interrupt and fault status reporting Compact WQFN package suitable for space-constrained designs Electrical Characteristics Wide input operating voltage range Programmable battery charge voltage High charge current capability Integrated low RDS(on) MOSFET drivers High switching frequency operation High conversion efficiency across operating range Low standby and shutdown current consumption Accurate input and charge current regulation Integrated analog-to-digital converter telemetry Interface and Control I2C serial communication interface Programmable charging profiles Configurable protection thresholds Status and interrupt reporting ADC telemetry reporting Enable and control pins for system integration Protection Features Input overvoltage protection Input overcurrent protection Battery overvoltage protection Thermal shutdown protection Thermal regulation control Short-circuit protection Watchdog timer protection Safety charging timer Battery temperature qualification support Package Information Package Type: WQFN Package Suffix: RRV Compact thermally enhanced package Surface-mount device Suitable for automated PCB assembly processes Applications USB Type-C charging systems Portable computers and tablets Industrial handheld devices Power banks and battery packs Embedded battery-powered systems Portable instrumentation Consumer electronics Smart battery charging platforms #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

This project is a Battery Management System (BMS) built around STMicroelectronics' STC3115AIQT battery monitor IC. It uses I2C for communication, features alarm management, and supports battery charging. The power supply, battery connection points, and debug interface are facilitated through connectors. #project #Template #charger #monitor #reusable #module #batterycharger #template #bms #STC3115 #stm

8A 180KHz 40V Buck DC to DC Converter The XL4016 is a high-efficiency DC-DC step-down (buck) switching regulator IC designed for applications that require high current output and simple external component design. It is commonly used in power supplies, LED drivers, battery chargers, and automotive/industrial DC conversion systems. Type: Step-down (buck) DC-DC converter Input voltage range: ~8 V to 40 V Output current: up to 8 A (practically ~5–6 A continuous with good cooling) Output voltage: adjustable via external resistors Switching frequency: ~180 kHz Built-in high-current power MOSFET switch Current-mode PWM control Cycle-by-cycle current limiting Thermal shutdown protection Short-circuit protection PackageTypically available in TO-220-5L package (with heat sink tab) Designed for external diode, inductor, and capacitor components Typical Applications DC power supply modules LED constant-current drivers Battery charging circuits Automotive 12V/24V step-down systems DIY adjustable bench power supplies #CommonPartsLibrary #IntegratedCircuit #PowerManagement