DW01A+G SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR LCSC Part Number: C3020699 JLCPCB Part Class: Extended Part Manufactured by FORTUNE(富晶) Fortune DW01x single-cell lithium-ion/lithium-polymer battery protection IC, designed to protect battery packs from overcharge, overdischarge, overcurrent and charger overvoltage conditions. Features ultra-low 3µA quiescent current, 0.1µA power-down current, accurate ±50mV overcharge detection voltage, selectable 0V battery charging and power-down functions, load detection during overcharge mode, two overcurrent protection levels, internal delay timing, and compact SOT-23-6 green package for small battery protection circuits. Search Keywords: DW01x, DW01, Fortune DW01, DW01 battery protection IC, lithium battery protection IC, Li-ion battery protection IC, Li-polymer battery protection IC, single cell battery protection, 1S battery protection IC, overcharge protection IC, overdischarge protection IC, overcurrent protection IC, SOT-23-6 battery protection IC, DW01A replacement, DW01 datasheet Hashtags: #DW01x #DW01 #FortuneDW01 #BatteryProtectionIC #LiIonProtectionIC #LiPolymerProtectionIC #SingleCellProtection #1SBatteryProtection #OverchargeProtection #OverdischargeProtection #OvercurrentProtection #SOT236

BQ29209DRBR – Integrated 2-cell Li-ion/Li-polymer battery protection and management IC. Provides overvoltage, undervoltage, and overcurrent protection for each cell while incorporating automatic cell balancing to maintain uniform charge levels. Designed for compact 2S battery pack applications, it ensures safe and reliable operation in portable electronics, battery-powered devices, and custom BMS circuits. Ideal for extending battery life, preventing overcharge or deep discharge, and supporting high-efficiency energy management. #2SLiIonBMS #BatteryProtectionIC #CellBalancing #OvervoltageProtection #UndervoltageProtection #OvercurrentProtection #PortableElectronics #BMSDesign

Battery Battery Protection IC Lithium Ion/Polymer SOT-23-6 S-8261ABJMD-G3JT2G is a high-accuracy lithium-ion/lithium-polymer battery protection IC designed for single-cell battery packs. It integrates voltage detection and timing circuits to protect rechargeable batteries against overcharge, overdischarge, overcurrent, and short-circuit conditions, helping improve battery safety, reliability, and lifespan. The device is commonly used in portable electronics, battery packs, IoT devices, and handheld equipment. It is housed in a compact SOT-23-6 package suitable for space-constrained designs. Key Features Single-cell Li-ion / Li-polymer battery protection IC High-accuracy overcharge detection High-accuracy overdischarge detection Overcurrent and short-circuit protection Built-in delay circuits to prevent false triggering Low current consumption (typical operating current in the µA range) Wide operating voltage range Support for 0 V battery charging function Compact SOT-23-6 package RoHS compliant and lead-free version available Typical Applications Li-ion battery packs Li-polymer battery packs Portable consumer electronics Wireless sensors and IoT devices Handheld instruments Rechargeable battery-powered equipment #BatteryProtectionIC #LiIonBattery #LiPoBattery #PowerManagement #BatteryPackProtection #OverchargeProtection #OverdischargeProtection #ShortCircuitProtection #SOT23 #ABLIC #SeikoInstruments #PortableElectronics #RechargeableBattery #PMIC #SingleCellBattery

Linear Voltage Regulator IC Positive Fixed 1 Output 600mA SOT-25 3.3V LDO AP2112K-3.3 The AP2112K-3.3TRG1 is a low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It is optimized for low noise, high power supply rejection ratio (PSRR), and low quiescent current, making it suitable for battery-powered and noise-sensitive applications. The device features current limiting and thermal shutdown protection, ensuring reliable operation under fault conditions. It is commonly used in portable electronics, RF modules, microcontroller power supplies, and other low-power systems. Key Features Fixed output voltage: 3.3V Output current: up to 600 mA Low dropout voltage: ~250 mV at 300 mA load High PSRR: up to 70 dB at 1 kHz Low quiescent current: typically 55 µA Stable with low ESR ceramic capacitors Built-in overcurrent protection Thermal shutdown protection Fast transient response Absolute Maximum Ratings Input Voltage (VIN): up to 6.5 V Output Current: Internally limited Operating Junction Temperature: -40°C to +125°C Storage Temperature: -65°C to +150°C Electrical Characteristics (Typical values unless otherwise specified) Output Voltage Accuracy: ±2% Dropout Voltage: 250 mV @ 300 mA 400 mV @ 600 mA Line Regulation: 0.05%/V Load Regulation: 0.2% Quiescent Current: 55 µA Shutdown Current: <1 µA PSRR: 70 dB @ 1 kHz 45 dB @ 10 kHz Pin Configuration (SOT-23-5 / SC-70-5) VIN – Input voltage GND – Ground EN – Enable (active high) NC – No connection VOUT – Regulated output (3.3V) Package Information Package Type: SOT-23-5 (TRG1 suffix indicates tape & reel) Mounting: Surface mount Small footprint suitable for compact PCB layouts Typical Applications Battery-powered devices Wireless modules (Wi-Fi, Bluetooth, RF) Microcontroller and FPGA power supplies Portable consumer electronics Sensor and analog circuits requiring low noise Compliance & Reliability RoHS compliant Lead-free package Designed for high reliability and long operational life #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LinearRegulator #VoltageRegulator

Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-23-5 The TLV75533PDBVR is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3 V output from a higher input voltage source. It features ultra-low quiescent current and high power-supply rejection ratio (PSRR), making it ideal for battery-powered and noise-sensitive applications such as IoT devices, portable electronics, and RF circuits. The device is optimized for fast transient response and stable operation with small ceramic output capacitors. Key Features Fixed output voltage: 3.3 V Low dropout voltage (typ. ~200 mV at full load) Ultra-low quiescent current (typ. 25 µA) High PSRR for noise-sensitive applications Stable with small ceramic capacitors (≥1 µF) Thermal shutdown and overcurrent protection Available in compact SOT-23-5 package (DBV) Absolute Maximum Ratings Input voltage: –0.3 V to 6.5 V Output voltage: –0.3 V to (VIN + 0.3 V) Operating junction temperature: –40°C to +125°C Storage temperature range: –65°C to +150°C Recommended Operating Conditions Input voltage range: 1.45 V to 5.5 V Output voltage: 3.3 V (fixed) Output current: up to 500 mA Operating temperature range: –40°C to +125°C Electrical Characteristics (Typical unless otherwise noted) Output voltage accuracy: ±1% Dropout voltage: ~200 mV @ 500 mA Quiescent current: ~25 µA PSRR: up to 70 dB (at 1 kHz) Line regulation: <0.05%/V Load regulation: <0.5% Pin Configuration (SOT-23-5) Pin 1: IN – Input voltage Pin 2: GND – Ground Pin 3: EN – Enable (active high) Pin 4: NC – No connect Pin 5: OUT – Regulated output Typical Application Power management for microcontrollers and sensors Battery-powered portable devices RF and analog circuits requiring low noise supply IoT and wearable electronics Protection Features Thermal shutdown protection Overcurrent protection Undervoltage lockout (UVLO) #commonpartsLibrary #integratedcircuit #powermanagement #voltageregulator

Buck Switching Regulator IC Positive Adjustable 1.2V 1 Output 3.5A 8-PowerSOIC (0.154", 3.90mm Width) The LM5013DDAR is a 100-V input, 3.5-A buck switching regulator IC that efficiently steps down high DC voltages (such as 24 V, 48 V, or battery rails) to lower regulated outputs. It is optimized for rugged environments where wide input variations and high reliability are required. It features ultra-low quiescent current operation, making it suitable for systems that require high efficiency even at light load or standby conditions. Key Features Wide input voltage range: 6 V to 100 V Up to 3.5 A output current capability Integrated 100-V high-side MOSFET Non-synchronous buck topology Ultra-low quiescent current (IQ) for high efficiency in standby Constant-on-time (COT) control for fast transient response No external compensation components required Adjustable output voltage (down to ~1.2 V reference) 50 ns minimum on/off time for high step-down ratios Built-in protection features: Overcurrent protection Thermal shutdown Input undervoltage lockout (UVLO) Open-drain power-good (PGOOD) signal for system monitoring Meets low EMI requirements (CISPR 25 Class 5 capable) Package 8-pin SO PowerPAD (DDA) surface-mount package Designed for good thermal performance in high-voltage applications Typical Applications Industrial power supplies (24 V / 48 V systems) Automotive power systems Telecom and networking equipment High cell-count battery systems Motor control and inverter subsystems #LM5013 #BuckConverter #DCDCConverter #TexasInstruments #PowerManagementIC #HighVoltageRegulator #3ARegulator #IndustrialPower #AutomotiveElectronics #SwitchingRegulator #COTController

Automotive H-Bridge DC Motor Driver IC – Fully integrated 40 V H-bridge motor driver with integrated power MOSFETs for brushed DC motors and one winding of a bipolar stepper motor. Operates from a 4 V to 40 V supply, delivers up to 5 A continuous output current, and features a PWM control interface with integrated current-sense output for motor monitoring. Includes an internal charge pump for high-side gate drive, low-RDS(on) MOSFETs, current regulation, undervoltage lockout (UVLO), overcurrent protection (OCP), thermal shutdown, and shoot-through protection. Qualified to AEC-Q100 Grade 1, operates over a −40°C to +125°C junction temperature range, and is housed in an 18-pin QFN (3 × 4 mm) wettable-flank package. #MonolithicPowerSystems #MPS #MPQ6612AGLEAEC1P #MPQ6612A #MotorDriver #HBridge #BrushedDCMotor #StepperMotor #CurrentSense #PWM #PowerMOSFET #AECQ100 #Automotive #EmbeddedSystems

Battery Fuel Gauge IC Lithium Ion/Polymer 24-TQFN (4x4) The MAX17320G20+ is a high-accuracy, ultra-low-power fuel gauge and battery protector IC designed for 2-cell to 4-cell lithium-ion and lithium-polymer battery packs. The device integrates Maxim Integrated’s ModelGauge™ m5 EZ algorithm to provide precise battery state-of-charge estimation without requiring battery relearning after system resets or battery replacement. It is optimized for portable, wearable, industrial, and IoT battery-powered applications where accurate battery monitoring and robust protection are required. The device combines fuel gauging, battery authentication support, autonomous battery protection, current sensing, and voltage monitoring into a single integrated solution. It includes configurable protection features such as overvoltage, undervoltage, overcurrent, short-circuit, and thermal protection, helping improve system safety and battery reliability. The MAX17320G20+ communicates through an I²C-compatible interface and supports low-power operation for extended battery runtime. Features High-accuracy battery fuel gauge for multi-cell lithium-ion batteries Supports 2-cell to 4-cell battery pack configurations Integrated ModelGauge m5 EZ algorithm with no battery relearning required Integrated battery protector with autonomous safety monitoring Supports overvoltage, undervoltage, overcurrent, short-circuit, and thermal protection Integrated current-sense amplifier for accurate current measurement Low quiescent current optimized for portable and always-on systems I²C-compatible communication interface Configurable alert and interrupt functions Battery aging compensation and cycle tracking Supports battery authentication functionality Integrated ADCs for voltage, current, and temperature monitoring Programmable protection thresholds and timing parameters Low-power hibernate and sleep operating modes Electrical Characteristics Designed for lithium-ion and lithium-polymer battery chemistries Supports battery stack voltages corresponding to 2S to 4S configurations High-resolution voltage, current, temperature, and capacity measurements Low operating current suitable for battery-powered systems Integrated precision coulomb counter Wide operating temperature range suitable for industrial applications Protection Functions Cell overvoltage protection Cell undervoltage protection Charge overcurrent protection Discharge overcurrent protection Short-circuit protection Overtemperature and undertemperature protection Permanent failure detection and fault logging Autonomous FET control for pack isolation Interface and Control I²C serial communication interface Programmable registers for protection and fuel gauge configuration Interrupt and alert outputs for fault and status indication Supports host processor communication and diagnostics Nonvolatile memory for configuration storage Package Information Package type is TQFN Compact surface-mount package suitable for space-constrained designs RoHS compliant and lead-free package option Typical Applications Smart battery packs Portable medical devices Industrial handheld equipment IoT and wireless sensor devices Battery-powered consumer electronics Portable test and measurement systems Rechargeable multi-cell battery systems #commonpartslibrary #integratedcircuit #powermanagement #batterymanagement

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

Buck-Boost Regulator Positive Output Step-Up/Step-Down I2C DC-DC Controller IC 40-VQFN (6x6) The LM51772RHAR is a high-performance multi-phase bidirectional buck-boost controller designed for power conversion systems requiring efficient energy transfer between two voltage domains. The device supports seamless operation in both step-up and step-down modes and is optimized for battery-powered, automotive, industrial, and energy storage applications. The controller enables bidirectional current flow, making it suitable for battery charging, backup power systems, supercapacitor management, and high-power USB Type-C power delivery applications. The device integrates advanced control architecture for high efficiency across a wide operating range while supporting programmable current regulation, voltage regulation, and protection features. Multi-phase capability allows reduced input and output ripple currents, improved thermal distribution, and higher overall power capability. The controller supports external MOSFETs for scalable power design flexibility and includes comprehensive monitoring and fault management functions. The LM51772RHAR is designed for operation in demanding environments with robust protection features including overvoltage protection, undervoltage lockout, cycle-by-cycle current limiting, thermal shutdown, and fault reporting. Its flexible configuration and high integration level reduce external component count and simplify implementation in high-density power systems. Key Features Bidirectional synchronous buck-boost controller architecture Supports power transfer in both forward and reverse directions Multi-phase operation for increased power capability and reduced ripple Wide input and output voltage operating range High-efficiency synchronous control using external MOSFETs Programmable current and voltage regulation Peak and average current control capability Seamless transition between buck, boost, and buck-boost operating modes Integrated current sensing support Programmable switching frequency synchronization Phase interleaving support for thermal and ripple optimization External clock synchronization capability Soft-start and controlled startup sequencing Comprehensive fault detection and protection functions Overcurrent protection and short-circuit protection Overvoltage and undervoltage protection Thermal shutdown protection Fault status reporting and system monitoring support Designed for automotive and industrial power applications Compact thermally enhanced package Typical Applications Bidirectional battery charging systems Energy storage systems Automotive dual-battery architectures USB Type-C Power Delivery systems Backup power and UPS systems Supercapacitor charging and balancing Industrial DC power conversion Renewable energy power management High-power portable electronics Telecom and server power systems Electrical Characteristics Wide operating supply voltage range High switching frequency operation capability High-current multi-phase scalability Precision current regulation accuracy Low standby power consumption High-efficiency synchronous rectification support Programmable dead-time and switching parameters Stable operation across wide temperature range Package Information Package Type: VQFN Package Suffix: RHA Thermally enhanced exposed pad package Surface-mount implementation Suitable for automated assembly processes #commonpartslibrary #integratedcircuit #powermanagement #buckboost #dcdcswitchingcontrollers

Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-3 General Description The AP2114H-3.3TRG1 is a low dropout linear voltage regulator designed to provide a stable fixed output voltage for low-noise and power-sensitive electronic applications. The device is optimized for high current capability, low quiescent current operation, and reliable thermal performance. It is suitable for portable electronics, embedded systems, communication equipment, consumer devices, and industrial control applications where stable power regulation is required. The regulator incorporates internal protection functions including over-current protection and thermal shutdown to improve operational reliability and system safety. The component is supplied in a surface-mount SOT-223 package suitable for automated PCB assembly processes. Device Type Low Dropout Linear Voltage Regulator with Enable Function Output Configuration Positive Fixed Output Nominal Output Voltage 3.3 V Maximum Output Current 1 A minimum continuous load current capability Input Voltage Range Operates from low-voltage DC input supplies up to 6 V maximum Dropout Voltage Low dropout operation suitable for battery-powered and low-headroom applications Output Accuracy High precision regulated output voltage with tight tolerance characteristics Quiescent Current Low standby current for power-efficient system operation Power Supply Rejection High ripple rejection performance for low-noise output regulation Protection Features Integrated over-current protection Thermal shutdown protection Short-circuit protection Operating Temperature Range Suitable for industrial temperature operating conditions from negative forty degrees Celsius to positive eighty-five degrees Celsius Package Information Surface-mount SOT-223 package Mounting Method Surface Mount Technology Applications LCD monitors LCD televisions Set-top boxes Portable electronics Embedded controllers Industrial electronic systems Low-noise power supply applications #CommonPartsLibrary #IntegratedCircuit #PowerManagement