Buck-Boost Switching Regulator IC Positive Adjustable (Fixed) 6.5V (11.5V) 1 Output 6A 22-PowerWFQFN The MAX25239/MAX25240 are small, synchronous, buck-boost converters with integrated H-bridge switches. These ICs provide a fixed-output regulation voltage and an externally adjustable output voltage in the 3V to 20V range with an input voltage above, below, or equal to the output regulation voltage. The ICs have typical 8.2A and 10A input current limit options and can support continuous load currents up to 6A depending on the input-to-output voltage ratio and operating frequency. It also has a wide input voltage range of 2V to 36V. The MAX25239/MAX25240 have three switching frequency options: 2.1MHz, 400kHz, and 200kHz. The 2.1MHz high switching frequency allows small external components and reduced output ripple, and guarantees no AM band interference, while the 400kHz or 200kHz switching frequency offers better efficiency and relieves the power consumption concern. The SYNC input allows three operation modes: skip mode with ultra-low quiescent current, forced fixed-frequency PWM operation, and synchronization to an external clock. The IC also includes spread-spectrum frequency modulation to minimize EMI interference. The MAX25239/MAX25240 feature a power-OK (POK) indicator, undervoltage lockout, overvoltage protection, cycle-by-cycle current limit, and thermal shutdown. The ICs are available in small, 4.25mm x 4.25mm x 0.75mm, 22-pin FC2QFN and 5.00mm x 5.00mm x 0.75mm, 18- pin FCQFN packages. Key Features Wide 2 V to 36 V input voltage range Synchronous buck-boost topology for seamless step-up and step-down conversion Delivers up to 6 A continuous output current Adjustable output voltage from 3 V to 20 V (device variant includes fixed output configuration options) High conversion efficiency with integrated low-RDS(ON) MOSFETs 400 kHz switching frequency with spread-spectrum option for reduced EMI Very low 95 µA quiescent current in standby and 10 µA shutdown current Integrated protection features including overvoltage, short-circuit, thermal shutdown, and undervoltage lockout (UVLO) Power-Good (PGOOD) output for power monitoring AEC-Q100 qualified for automotive applications Operating junction temperature range: −40°C to +150°C Compact 22-pin FC2QFN (4.25 × 4.25 mm) package #MAX25240AFFFVY #AnalogDevices #BuckBoostConverter #DCDCConverter #PowerManagement #AutomotiveElectronics #AECQ100 #SwitchingRegulator #EmbeddedSystems #AutomotivePower

The BP2866C, manufactured by 晶丰明源半导体, is a high precision buck constant current LED driver designed for universal input offline LED lighting applications. Operating in critical conduction mode, this component is suitable for 85Vac~265Vac input and integrates a 500V power MOSFET. It features patented demagnetization detection technology and high-voltage JFET power supply technology, eliminating the need for a VCC capacitor and starting resistors, thereby minimizing system cost and size. The BP2866C offers precise output current and excellent line regulation through a patent-pending current control method. It includes robust protection functions such as LED short circuit protection, VCC under voltage protection, and thermal regulation. Available in a SOP7 package, it ensures a +5% LED output current accuracy and is ideal for applications like LED candle lights and bulbs.

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

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

The BQ24650, developed by Texas Instruments, is a highly integrated switch-mode battery charge controller designed to offer efficient charging solutions for solar power applications and portable instruments. This component stands out for its capability to handle a wide input voltage range from 5 V to 28 V, making it suitable for various solar panel configurations. It features Maximum Power Point Tracking (MPPT) to ensure optimal energy extraction from solar panels by adjusting the input voltage to match the panel's maximum power output. The BQ24650 supports charging for multiple chemistries including Li-Ion/Polymer, LiFePO4, and lead acid batteries, with programmable charge current and voltage regulation to accommodate specific battery requirements. Its synchronous buck controller operates at 600 kHz, enabling compact circuit design due to smaller external components. Additionally, the device includes a host of protection features such as input overvoltage protection, thermal shutdown, and battery temperature sensing for safe operation. The BQ24650 is packaged in a small 3.5 mm x 3.5 mm, 16-pin QFN, offering a compact solution for space-constrained applications. Its diverse range of applications includes solar-powered systems, remote monitoring stations, portable handheld instruments, and 12-V to 24-V automotive systems, highlighting its versatility and adaptability to various power management tasks.

OR Controller N+1 ORing Controller N-Channel 1:1 24-VQFN (4x4) The LM74930-Q1 ideal diode controller drives and controls external back to back N-Channel MOSFETs to emulate an ideal diode rectifier and power path ON and OFF control with over current and overvoltage protection. The wide input supply of 4 V to 65 V allows protection and control of 12-V and 24-V automotive battery powered ECUs. The device can withstand and protect the loads from negative supply voltages down to –65 V. An integrated high side gate control (HGATE) drives the first MOSFET in the power path. The device allows load disconnect (ON and OFF control) in case of overcurrent, overvoltage and undervoltage event using HGATE control while ideal diode controller (DGATE) drives a second MOSFET to replace a Schottky diode for input reverse polarity protection and output voltage holdup by blocking the reverse current from output to input. The device has integrated current sense amplifier which provides with an adjustable overcurrent and short circuit protection with circuit breaker functionality. The device features an adjustable overvoltage and undervoltage protection feature to protect against supply transients. LM74930-Q1 features MODE pin which can be used to selectively enable or disable reverse current blocking functionality. Features • AEC-Q100 qualified for automotive applications – Device temperature grade 1: –40°C to +125°C ambient operating temperature range • 4-V to 65-V input range • Reverse input protection down to –65 V • Drives external back-to-back N-Channel MOSFETs in common source configuration • Ideal diode operation with 10.5-mV A to C forward voltage drop regulation • Low reverse detection threshold (–10.5 mV) with fast DGATE turn-off response (0.5 µs) • 18-mA peak gate (DGATE) turn on current • 2.6-A peak DGATE turn-off current • Adjustable overcurrent and short circuit protection • Analog current monitor output with 10% accuracy (IMON) • Adjustable overvoltage and undervoltage protection • Low 2.5-μA shutdown current (EN=Low) • MODE pin to allow bi-directional current flow (MODE=Low) • Meets automotive ISO7637 transient requirements with a suitable TVS diode • Available in space saving 24-pin VQFN package 2 Applications • 12-V / 24-V automotive reverse battery protection • Industrial transport • Redundant power supply ORing #IdealDiodeController #SurgeStopper #CircuitBreaker #PowerPathProtection #AutomotiveElectronics #AECQ100 #ReversePolarityProtection #OvercurrentProtection #TexasInstruments #PMIC

I²C-Controlled Single-Cell Buck Battery Charger IC with Power Path Management – Highly integrated switch-mode battery charger for single-cell Li-Ion/Li-Polymer batteries used in portable electronics, IoT devices, wearables, handheld terminals, medical devices, and embedded battery-powered systems. Operates from a 3.5 V to 18 V input supply and delivers up to 2 A programmable charging current with support for USB and adapter inputs. Features NVDC power-path management, I²C interface, integrated power MOSFETs, narrow VDC architecture, dynamic power management, input current optimization, buck charging efficiency up to 93%, and an integrated 12-bit ADC for monitoring battery voltage, charge current, input voltage/current, system voltage, and temperature. Includes JEITA temperature profile support, programmable charging parameters, USB OTG boost mode (5 V output), power-good indication, and comprehensive protection including overvoltage, overcurrent, thermal regulation, thermal shutdown, watchdog timer, and short-circuit protection. Operates over a −40°C to +85°C temperature range and is housed in a compact 18-pin WQFN-HR (3 × 2.5 mm) package. #TexasInstruments #BQ25628ERYKR #BQ25628E #BatteryCharger #LiIonCharger #PowerPathManagement #BuckCharger #USBOTG #I2C #PowerManagement #PortableElectronics #EmbeddedSystems

Adjustable Low-Dropout (LDO) Linear Voltage Regulator – Positive adjustable LDO voltage regulator designed for power supplies, industrial control systems, embedded electronics, consumer devices, communication equipment, and analog circuits. Delivers up to 800 mA output current with an adjustable output voltage range of 1.25 V to 13.8 V using an external resistor divider. Operates from an input voltage up to 15 V with a maximum dropout voltage of 1.2 V at 800 mA, making it suitable for low-dropout linear regulation. Features 1% output voltage accuracy, 75 dB PSRR (120 Hz), 5 mA typical quiescent current, current limiting, and thermal shutdown protection for reliable operation. Designed for surface-mount applications in a TO-252-3 (DPAK) package and operates over a 0°C to +125°C temperature range. #TexasInstruments #LM1117DTADJNOPB #LM1117 #LDO #LinearRegulator #VoltageRegulator #AdjustableRegulator #PowerManagement #DPAK #EmbeddedSystems

Mobile Communications PMIC 30-WLP (2.62x3.07) The MAX77958EWV+ is a highly integrated USB Type-C and USB Power Delivery (USB PD) controller designed for portable and battery-powered electronic systems. Manufactured by Analog Devices/Maxim Integrated, the device provides complete USB Type-C Configuration Channel (CC) detection, USB PD protocol management, and power path control functionality within a compact wafer-level package. It is optimized for applications requiring flexible USB charging, power negotiation, and accessory support while minimizing external component count and system complexity. The device integrates a USB Type-C Port Controller (TCPC), Power Delivery Policy Engine, BC1.2 charger detection, VCONN management, dead battery support, and integrated protection features. It supports both sink and dual-role power operation, enabling intelligent power negotiation between connected devices and external power adapters. The controller communicates with the host processor through an I²C interface, allowing firmware-based configuration and monitoring. The MAX77958EWV+ is intended for smartphones, tablets, wearable devices, portable computing platforms, docking stations, embedded systems, and other USB Type-C enabled consumer electronics requiring reliable power delivery and advanced USB connectivity management. Electrical Characteristics The device operates from a low-voltage supply optimized for portable electronic systems. It supports USB Type-C and USB Power Delivery specifications with integrated CC line monitoring and protocol handling. The controller includes internal voltage regulation and protection mechanisms to ensure reliable operation during attachment, detachment, and fault conditions. The integrated USB Power Delivery engine supports multiple power profiles and dynamic voltage negotiation. The device supports sink functionality for charging applications and can be configured for dual-role operation depending on system requirements. Low standby current operation enables efficient battery-powered system implementation while maintaining USB attach detection capability. Functional Features Integrated USB Type-C Port Controller compliant with USB Type-C standards USB Power Delivery protocol engine supporting power negotiation and role management Support for sink and dual-role power configurations Integrated BC1.2 charger detection capability Dead battery support for autonomous attachment detection Integrated VCONN switch and cable orientation detection Automatic CC pin monitoring and cable attach detection I²C interface for host processor communication and configuration Integrated interrupt generation for event handling Support for programmable power profiles and policy management Internal fault monitoring and protection features Compact wafer-level package suitable for space-constrained applications Protection Features Overvoltage monitoring on USB Type-C interface lines Short-circuit protection support Thermal protection and fault detection mechanisms Integrated VCONN current limiting ESD protection for external USB interface connections Safe attach and detach handling during cable insertion events Interface Characteristics USB Type-C CC interface compliant with USB Type-C specifications I²C serial communication interface for host control Interrupt output for event notification Integrated support for orientation detection and cable identification Programmable configuration registers accessible through I²C Package Information Package type is wafer-level package optimized for compact portable designs RoHS compliant and suitable for lead-free manufacturing processes Designed for automated surface-mount assembly Applications Smartphones and mobile devices Tablet computers Wearable electronics Portable battery-powered equipment USB Type-C charging systems Embedded USB PD controllers Docking stations and accessories Consumer electronic products requiring USB Type-C connectivity #commonpartslibrary #integratedcircuit #powermanagement #mobilecommunications

Buck Switching Regulator IC Positive Adjustable (Fixed) 0.8V (3.3V, 5V) 1 Output 4.5A 20-WFQFN Exposed Pad The LM656x5-Q1 are a family of automotive buck converters designed for high efficiency, high-power density, and ultra-low electromagnetic interference (EMI). The converters operate over a wide input voltage range of 3V to 65V (70V transient < 100ms), reducing the need for external input surge protection. The LM656x5-Q1 comes with pin selectable fixed output voltages of 3.3V and 5V or in adjustable configuration. The low EMI operation is enabled with minimized loop inductance and optimized switch node slew rate. A pin-selectable ±5% or ±10% dual-random spread spectrum (DRSS) significantly reduces peak emissions through a combination of triangular and pseudo-random modulation while keeping output voltage ripple very low. The current-mode control architecture with a 30ns typical minimum on-time allows high conversion ratios at high frequencies coupled with a fast transient response and excellent load and line regulation. Features • AEC-Q100 qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Wide input voltage range: 3V to 65V (70V transient < 100ms) – Meets LV148 / ISO21780 requirements • Designed for low EMI requirements – Facilitates CISPR 25 class 5 compliance – Mode pin configurable ±5% or ±10% dualrandom spread spectrum reducing peak emissions – Enhanced HotRod™ QFN package with symmetrical pinout – Switching frequency from 300kHz to 2.2MHz – Pin-configurable AUTO or FPWM operation – Internal compensation, current limit, and TSD • Low minimum on time: 40ns (maximum) – Enables 36VIN to 3.3VOUT conversion at 2.2MHz • High-efficiency power conversion at all loads – > 94% peak efficiency at 24VIN, 5VOUT, 400kHz – 2.5µA switching input current at no load • High power density – 3.6mm × 2.6mm, wettable flank, 20-pin package – Pin compatible with 36V LM654x0-Q1 – ϴJA = 24.0°C/W (LM65645-Q1EVM) • Create a custom design using the LM656x5-Q1 with the WEBENCH® Power Designer 2 Applications • Advanced driver assistance systems (ADAS) • Automotive infotainment and cluster • Hybrid, electric, and powertrain systems #AutomotiveElectronics #BuckConverter #DCDCConverter #PowerManagement #VoltageRegulator #SynchronousBuck #LowEMI #AECQ100 #TexasInstruments #EmbeddedSystems

Power Management Specialized - PMIC Ultra Efficient Dual Sources Energy Manager with Ratio/Constant Voltage Regulation, Regulated Buck Output and 5 V CC/CV Charger e-peas AEM13920-QFN

The TPS61187, manufactured by Texas Instruments, is a high-efficiency, white-light-emitting-diode (WLED) driver specifically designed for notebook LCD backlight applications. This component can manage an input voltage range of 4.5 V to 24 V and supports a maximum output voltage of 38 V. It is distinguished by its integrated 2-A, 40-V power MOSFET and the capacity to drive up to 60 WLEDs arranged in six channels, with each channel capable of supporting a maximum current of 30 mA. The TPS61187 ensures high precision in current regulation and matching across all channels. Notably, the device offers versatile dimming capabilities through both automatic phase-shift and direct-PWM dimming methods, accommodating a wide PWM dimming frequency range from 100 Hz to 50 kHz in Direct PWM mode and 100 Hz to 22 kHz in Frequency Programmable mode. The boost output automatically adjusts to the WLED forward voltages to enhance efficiency. Additionally, the TPS61187 features programmable switching frequency between 300 kHz and 1 MHz, overvoltage protection, thermal shutdown, and built-in protection against open or short circuits on the WLED string. Available in a 20-pin WQFN package with a nominal body size of 4.00 mm x 4.00 mm, the TPS61187 offers a compact solution for driving notebook backlighting, providing engineers with a flexible and efficient option for their designs.

I²C Controlled 3A Single-Cell Battery Charger with High Input Voltage Capability and Narrow Voltage DC (NVDC) Power Path Management Battery charger IC for single-cell Li-Ion and Li-Polymer batteries with an input voltage range of 3.9V to 13.5V. Supports up to 3A programmable charge current, 5A boost output, and integrates power-path management, input current/voltage regulation, I²C interface, and comprehensive charging and protection functions in a TQFN-24 (4mm × 4mm) package. #BatteryChargerIC #SingleCellLiIon #LiPolymer #3ACharge #5ABoost #PowerPathManagement #I2C #InputVoltageRegulation #TQFN24 #SGMICRO

Voltage Regulator Current Limit Module 3.3V Out is engineered to deliver a stable 3.3V supply with advanced current limiting capabilities for optimal power management and circuit protection. This cutting-edge module harnesses the ultra-low switch technology of the SY6280 integrated circuit from Silergy Corp, ensuring precise overcurrent and short circuit protection. The design incorporates high-performance Murata fixed capacitors and robust resistors, creating a seamless blend of filtering, decoupling, and regulation for dependable operation. Ideal for modern electronics, IoT, and embedded systems, this module offers a compact solution that combines reliability, efficiency, and long-term stability, making it the perfect choice for applications where safe and efficient power delivery is paramount. #Module #VoltageRegulator #CurrentLimit #3V3Module #SY6280 #SilergyCorp #PowerManagement #ElectronicsDesign #IoT #EmbeddedSystems

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 10-VFDFN Exposed Pad The TPS5433xA family of devices are synchronous converters with an input-voltage range of 4.5 V to 28 V. These devices include This device has an integrated low-side switching FET that eliminates the need for an external diode which reduces component count. Efficiency is maximized through the integrated 128- mΩ and 84-mΩ MOSFETs, low IQ and pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature. Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS5433xA family of devices in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low-side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time. • Synchronous 128-mΩ and 84-mΩ MOSFETs for 3-A Continuous Output Current • TPS54335A: Internal 2-ms Soft-Start, 50-kHz to 1.5-MHz Adjustable Frequency • TPS54336A: Adjustable Soft-Start, Fixed 340-kHz Frequency • Low 2-µA Shutdown, Quiescent Current • 0.8-V Voltage Reference with ±0.8% Accuracy • Current Mode Control • Monotonic Startup into Pre-Biased Outputs • Pulse Skipping for Light-Load Efficiency • Hiccup Mode Overcurrent Protection • Thermal Shutdown (TSD) and Overvoltage Transition Protection • 8-Pin SO PowerPAD™ and 10-Pin VSON Package • Create a Custom Design Using the TPS54335A with the WEBENCH Power Designer #CommonPartsLibrary #IntegratedCircuit #PowerManagement

The BQ25173 is an integrated 800-mA linear charger for 1- to 4-cell supercapacitors. Features • Input voltage up-to 40-V tolerant • Automatic Sleep mode for low power consumption – 350-nA leakage current – 2-µA input leakage current when charge disabled • Supports 1- to 4-cell supercapacitor • Supports charging supercapacitor from 0 V • External resistor programmable operation – FB pin to adjust supercapacitor regulation voltage – ISET to set charge current from 10 mA to 800 mA • High accuracy – ±1% charge voltage accuracy – ±10% charge current accuracy • Charging features – CE pin for charging function control – Open-drain output for status and fault indication – Open-drain output for power-good indication • Integrated fault protection – 18-V IN overvoltage protection – 1000-mA overcurrent protection – 125°C thermal regulation; 150°C thermal shutdown protection – OUT short-circuit protection – ISET pin short/open protection WSON-8 2.0mmx2.0mm

Buck Switching Regulator IC Positive Adjustable 1V 1 Output 3A 8-PowerSOIC (0.154", 3.90mm Width) LMR33630BDDAR – Synchronous step-down (buck) DC-DC converter delivering 1 A output with ultra-low quiescent current. Features adjustable output voltage with integrated MOSFETs, optimized for high-efficiency power conversion from a higher supply voltage to 3.3 V. Ideal for battery-powered and portable electronics, IoT devices, and microcontroller power supplies where low standby current extends battery life. Provides reliable voltage regulation with fast transient response in compact surface-mount packaging. #SynchronousBuck #DCDCConverter #LowIQ #3V3Output #1ARegulator #PowerManagement #EmbeddedElectronics #BatteryEfficient

Stand-alone single-cell linear battery charger with power path BQ24074RGTT is a highly integrated standalone linear charger and power-path management IC from Texas Instruments designed for single-cell Li-Ion/Li-Polymer battery-powered portable devices. It supports charging directly from USB ports or external adapters while simultaneously powering the system load through integrated Dynamic Power Path Management (DPPM). The device is commonly used in portable electronics, IoT devices, wireless accessories, handheld medical devices, and battery-powered embedded systems. Key Features Single-cell Li-Ion/Li-Polymer battery charger Up to 1.5 A programmable charge current Integrated Dynamic Power Path Management (DPPM) USB-compliant charging support Selectable 100 mA / 500 mA USB current limits Programmable input current limit up to 1.5 A Supports both USB input and wall adapters Input overvoltage protection up to 28 V absolute maximum Integrated thermal regulation and thermal shutdown Reverse-current and short-circuit protection Programmable pre-charge and fast-charge safety timers Battery temperature monitoring via NTC thermistor input Charge status outputs for charging/done indication Current monitoring output (ISET) Compact 16-pin VQFN (3×3 mm) package Wide operating temperature range suitable for industrial applications Typical Applications TWS charging cases and earbuds Portable medical devices IoT and asset tracking systems Handheld gaming accessories Video doorbells and IP cameras Portable embedded systems and development boards Important Design Notes Designed specifically for 1-cell battery applications Requires proper thermal PCB layout due to linear charging architecture DPPM allows the system to operate even with a deeply discharged or missing battery Recommended for compact designs needing integrated charging and system power-path control #CommonPartsLibrary #IntegratedCircuit #PowerManagement

The AMS1117-3.3RG is a fixed-output, low-dropout (LDO) linear voltage regulator that provides a regulated 3.3 V output from a higher input voltage. It is capable of delivering up to 1 A output current and is commonly used in microcontroller, communication, and embedded-system power supplies where a stable 3.3 V rail is required. The device includes built-in protection features such as current limiting and thermal shutdown for improved reliability. Key Features Fixed 3.3 V output voltage Supports up to 1 A output current Low dropout voltage, typically around 1.2 V and up to 1.3 V at 1 A load Input voltage capability up to 12 V (some manufacturer variants specify higher absolute maximum ratings) Good line and load regulation Built-in current limiting protection Built-in thermal shutdown protection Available in SOT-223 surface-mount package Suitable for post-regulation of switching power supplies and general 3.3 V power conversion applications Typical Applications ESP32, STM32, and other microcontroller-based systems Embedded and IoT devices Communication modules LCD monitors and display circuits Battery-powered equipment Post-regulation for DC/DC converters Motherboards and expansion cards #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LDO

I²C Controlled Single Cell Fast Charger with MaxCharge™ Technology for High Input Voltage and Adjustable Voltage 3.1A Boost Operation The bq25895M is a highly-integrated 5-A switchmode battery charge management and system power path management device for single cell Li-Ion and Lipolymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I 2C Serial interface with charging and system settings makes the device a truly flexible solution. • High Efficiency 1.5-MHz Switch Mode Buck Charge – 93% Charge Efficiency at 2 A and 91% Charge Efficiency at 3 A Charge Current – Optimize for High Voltage Input (9 V / 12 V) – Low Power PFM mode for Light Load Operations • Boost Mode Operation with Adjustable Output from 4.5 V to 5.5 V – Selectable 500-KHz / 1.5-MHz Boost Converter with up-to 3.1 A Output – 93% Boost Efficiency at 5 V at 1 A Output – Support down-to 2.5V Battery – Support PWM only or PFM/PWM control for Light Load Efficiency • Integrated Control to Switch Between Charge and Boost Mode • Single Input to Support USB Input and Adjustable High Voltage Adapters – Support 3.9-V to 14-V Input Voltage Range – Input Current Limit (100 mA to 3.25 A with 50- mA resolution) to Support USB2.0, USB3.0 standard and High Voltage Adapters – Maximum Power Tracking by Input Voltage Limit up-to 14V for Wide Range of Adapters – Auto Detect USB SDP, CDP, DCP, and Nonstandard Adapters • Input Current Optimizer (ICO) to Maximize Input Power without Overloading Adapters • Resistance Compensation (IRCOMP) from Charger Output to Cell Terminal • Highest Battery Discharge Efficiency with 11-mΩ Battery Discharge MOSFET up to 9 A • Integrated ADC for System Monitor (Voltage, Temperature, Charge Current) • BATFET Control to Support Ship Mode, Wake Up, and Full System Reset • Flexible Autonomous and I 2C Mode for Optimal System Performance • High Integration includes all MOSFETs, Current Sensing and Loop Compensation • 12-µA Low Battery Leakage Current to Support Ship Mode • High Accuracy – ±0.5% Charge Voltage Regulation – ±5% Charge Current Regulation – ±7.5% Input Current Regulation #CommonPartsLibrary #IntegratedCircuit #PowerManagement