0.5 mOhms ±1% 5W Chip Resistor Nonstandard Automotive AEC-Q200, Current Sense Metal Element # Engineering Specification ## Product Name CSS4J-4026R-L500F ## General Description CSS4J-4026R-L500F is a precision four-terminal Kelvin current sense shunt resistor designed for accurate current measurement in high-performance electronic and power management systems. The device is intended for use in applications requiring low resistance sensing, high measurement accuracy, and stable thermal performance under varying electrical loads. The component utilizes a metal element resistive structure optimized for minimal resistance drift, reduced temperature effects, and consistent long-term stability. Its four-terminal Kelvin configuration separates current flow and voltage sensing paths, enabling improved measurement accuracy by eliminating errors caused by PCB trace and connection resistance. The device is widely used in power conversion systems, battery monitoring systems, motor control circuits, and industrial power electronics where precise current feedback is essential for control, protection, and monitoring functions. Its surface-mount construction supports compact PCB layouts and automated assembly processes while maintaining robust mechanical and electrical reliability. The design emphasizes efficient heat dissipation, stable electrical characteristics, and compatibility with demanding industrial and automotive environments. It is suitable for integration into systems requiring continuous current monitoring and high measurement fidelity. ## Functional Requirements ### Current Measurement The device shall provide accurate current sensing through a low-resistance conductive path designed for minimal measurement error. ### Kelvin Sensing Operation The device shall support four-terminal Kelvin sensing to improve measurement accuracy by separating current and voltage sensing paths. ### Signal Stability The device shall maintain stable sensing characteristics under varying load and thermal conditions. ### System Integration The component shall support integration into power electronics and embedded control systems requiring precise current feedback. ## Electrical Requirements ### Low Resistance Operation The device shall exhibit very low resistance to minimize power loss and maintain measurement accuracy. ### Thermal Stability The resistor shall maintain consistent electrical behavior under elevated operating temperatures and thermal cycling conditions. ### Power Handling The device shall support operation in high-current environments typical of power conversion and motor control systems. ### Measurement Accuracy The design shall support precise voltage drop measurement proportional to current flow for control and monitoring applications. ## Mechanical Requirements ### Surface Mount Construction The device shall be provided in a surface mount package suitable for automated PCB assembly. ### Structural Integrity The component shall maintain mechanical stability during assembly, operation, and thermal cycling. ### PCB Integration The device shall support direct integration into multilayer printed circuit board designs with optimized current path layout. ## Environmental Requirements ### Operating Conditions The device shall operate reliably under industrial and automotive environmental conditions. ### Thermal Performance The component shall maintain performance stability under continuous electrical loading and heat generation. ### Storage and Handling The device shall maintain physical and electrical integrity during storage, transport, and handling procedures. ## Quality Requirements ### Reliability The device shall provide long-term stability in resistance value and sensing accuracy under continuous operation. ### Verification Electrical, thermal, and mechanical characteristics shall be validated through appropriate testing and qualification procedures. ### Compliance The product shall conform to applicable standards for current sensing resistors used in industrial and automotive electronics. ## Documentation Requirements Technical documentation shall include application guidelines, layout recommendations for Kelvin sensing, thermal considerations, electrical characteristics, and integration practices for power electronics systems. ## Classification Tags #CSS4J4026RL500F #CurrentSenseResistor #ShuntResistor #KelvinSensing #FourTerminalResistor #PowerElectronics #BatteryManagement #MotorControl #PowerSupplyDesign #AnalogSensing #ElectricalEngineering #PCBDesign #EmbeddedSystems #IndustrialElectronics #AutomotiveElectronics #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #TechnicalDocumentation #HighCurrentSensing #PrecisionMeasurement #CircuitDesign

Bipolar (BJT) Transistor Array 8 NPN Darlington 50V 500mA Surface Mount 18-SOIC The ULN2803ADW is a high-voltage, high-current Darlington transistor array designed for interfacing low-level digital logic circuits with high-power loads. The device integrates eight NPN Darlington pairs with common-emitter outputs and suppression diodes for inductive load driving. It is commonly used in relay drivers, LED matrix control, solenoid actuation, motor drivers, lamp control, and industrial automation interfaces. The integrated clamp diodes enable direct driving of inductive loads without requiring additional external protection circuitry. The input stage is compatible with standard TTL and CMOS logic levels, making the device suitable for microcontroller, FPGA, and processor-based systems. The ULN2803ADW provides compact multi-channel switching capability in a wide-body SOIC surface-mount package optimized for automated assembly and high-density PCB layouts. Key Features Eight-channel NPN Darlington transistor array High-current sink driver outputs Integrated flyback suppression diodes TTL and CMOS compatible inputs Open-collector outputs Suitable for inductive and resistive loads High output voltage capability Parallel output operation supported for increased current handling Wide operating voltage range Surface-mount SOIC wide-body package Industrial and embedded control application support Electrical Characteristics Darlington transistor output configuration High DC current gain Low input current requirement Common-cathode clamp diode structure Open-collector output topology Logic-level input compatibility High-voltage output tolerance Multi-channel simultaneous switching support Applications Relay and solenoid drivers Stepper motor interfaces LED and lamp driving Industrial automation systems PLC output stages Embedded control systems Printer and actuator control Automotive electronics Logic buffer and level shifting applications Package Information Package Type: SOIC Wide Body Mounting Type: Surface Mount Multi-pin integrated driver package RoHS compliant options available #commonpartslibrary #integratedcircuit #driveric #darlingtonarray #powermanagement #industrialelectronics #embeddedhardware #relaydriver #motorcontrol #automationelectronics

Current Sense Amplifier 1 Circuit 8-SOIC The INA240A1D is a precision current-sense amplifier manufactured by Texas Instruments, specifically designed for high-side and low-side current measurement applications in electrically noisy environments. The device features enhanced PWM rejection capability, enabling accurate current sensing in motor control systems, switching power supplies, solenoid drivers, and other fast-switching power electronics applications. The amplifier is optimized for measuring voltage drops across shunt resistors while maintaining high common-mode voltage tolerance and excellent signal accuracy. Its bidirectional current-sensing capability allows monitoring of charging and discharging currents in battery systems and power management circuits. The INA240A1D provides fixed gain amplification and high common-mode transient immunity, making it suitable for industrial automation, automotive electronics, embedded power systems, and precision current monitoring applications. The device combines low offset voltage, low drift characteristics, and robust analog performance within a compact surface-mount package, simplifying precision current measurement implementation in modern electronic systems. Engineering Specification Device Type Current-sense amplifier Amplifier Configuration Precision bidirectional current-shunt monitor Input Characteristics High common-mode voltage sensing capability Gain Configuration Fixed-gain current measurement amplifier Measurement Topology High-side and low-side current sensing support Signal Performance High accuracy with low offset voltage and low drift PWM Rejection Enhanced PWM rejection for switching power applications Common-Mode Performance High common-mode transient immunity Output Characteristics Analog voltage output proportional to sensed current Power Consumption Low-power precision analog operation Package Type SOIC surface-mount package Mounting Style Surface mount technology Protection and Reliability Designed for robust operation in electrically noisy environments Applications Motor control systems Battery management systems Switching power supplies Industrial automation Current monitoring Solenoid control Power inverters Embedded power electronics Automotive current sensing Load measurement systems Manufacturer Texas Instruments #commonpartslibrary #currentsenseamplifier #analogfrontend #powermanagement #texasinstruments #motorcontrol #currentsensing #embeddedhardware #industrialelectronics #analogdesign #surfaceountcomponents #powerelectronics #signalconditioning #batterymanagement #precisionanalog

Microchip dsPIC33EVXXXGM00X/10X family, 16-bit Digital Signal Controller (DSC) operating from a 5V supply, combining a high-performance dsPIC33E CPU core with advanced motor-control PWM peripherals and mixed-signal analog functionality. Supports up to 70 MIPS performance, hardware DSP engine, dual accumulators, hardware multiply/divide operations, and fast context switching. Features up to six PWM outputs for motor control, power conversion, PFC, lighting and industrial automation. Includes high-speed 12-bit ADC, multiple operational amplifiers, comparators, DAC functions, CTMU touch sensing, temperature measurement, watchdog timers, programmable clock sources and extensive power management modes. Suitable for motor drives, digital power supplies, industrial control, robotics, automotive electronics and embedded signal processing applications. Search Keywords: dsPIC33EV, dsPIC33EV256GM, dsPIC33EV128GM, Microchip DSC, Digital Signal Controller, 16-bit DSP MCU, motor control MCU, digital power controller, 5V microcontroller, PWM controller, high-speed ADC MCU, industrial controller MCU, brushless motor controller, BLDC controller, PMSM controller, power conversion MCU, embedded DSP processor, dsPIC33E family Hashtags: #dsPIC33EV #Microchip #DigitalSignalController #DSP #MotorControl #BLDC #PMSM #DigitalPower #PowerElectronics #IndustrialAutomation #EmbeddedSystems #Microcontroller #PWMController #ADC #Robotics #MixedSignalMCU #dsPIC33E #EmbeddedDSP #ControlSystems #PowerConversion TQFP-64 Microchip E DSPIC33EV256GM106-I/PT Good

6 to 50 V, Triple half-bridge gate driver with programmable currents and SPI configuration Motor Driver NMOS SPI 48-VFQFPN (6x6) STDRIVE102BP is a highly integrated triple half-bridge gate driver designed for driving 3-phase brushless DC (BLDC) motors. It can control six external N-channel MOSFETs with programmable gate drive currents, enabling optimized switching performance and reduced EMI. The device features SPI-configurable settings, integrated charge pump circuitry for 100% high-side duty-cycle operation, built-in voltage regulators, programmable analog front-end blocks, and comprehensive protection mechanisms, making it suitable for battery-powered motor control applications such as power tools, vacuum cleaners, e-bikes, robotics, and industrial automation. Key Features Triple half-bridge gate driver for 3-phase BLDC motor control Operating supply voltage range: 6 V to 50 V Programmable gate drive capability up to: 1 A source current 2 A sink current Integrated charge pump supporting 100% high-side duty cycle Embedded 12 V LDO regulator for gate-drive circuitry Embedded 3.3 V LDO regulator for low-voltage circuitry SPI-configurable parameters and diagnostic functions Up to three programmable-gain amplifiers (PGAs) Up to three high-speed comparators VDS monitoring for MOSFET protection Thermal shutdown protection Undervoltage lockout (UVLO) protection Dual control modes (ENx/INx or INHx/INLx) TTL-compatible logic inputs up to 5 V Ultra-low standby current consumption (<50 nA) Matched propagation delay across all channels #CommonPartsLibrary #IntegratedCircuit #STDRIVE102BP #STMicroelectronics #GateDriver #BLDCMotor #MotorControl #ThreePhaseMotor #MOSFETDriver #PowerTools #Robotics #IndustrialAutomation #EBike #SPI #BrushlessMotor #EmbeddedSystems #PowerElectronics

2 mOhms ±1% 3W Chip Resistor 2512 (6432 Metric) Current Sense, Moisture Resistant, Non-Inductive Metal Element The HoLLR2512-3W-2mR-1% is a low-resistance current sensing resistor designed for high-power applications requiring accurate current measurement and efficient power dissipation. Constructed in a robust metal element configuration, this resistor provides excellent thermal stability, low temperature coefficient, and high pulse handling capability. Its ultra-low resistance value minimizes power losses while enabling precise current monitoring in power management, battery systems, motor control circuits, industrial equipment, automotive electronics, and high-current DC-DC converter applications. Features Metal element current sense resistor technology Ultra-low resistance for minimal insertion loss High power dissipation capability Tight resistance tolerance for accurate current measurement Excellent long-term stability and reliability Low inductance construction High surge and pulse current handling capability Suitable for automated SMT assembly processes RoHS compliant construction Optimized for power management and protection circuits Electrical Characteristics Resistance value: 2 mΩ Resistance tolerance: ±1% Power rating: 3 W Package size: 2512 surface-mount package Low temperature coefficient of resistance High current carrying capability Low thermal EMF characteristics Applications Current sensing circuits Battery management systems Power supplies DC-DC converters Motor drive controllers Electric vehicle electronics Industrial automation equipment Overcurrent protection systems Energy storage systems High-current monitoring applications Mechanical Characteristics Surface-mount package Compact 2512 footprint Metal strip resistive element High thermal conductivity design Compatible with standard reflow soldering processes #commonpartslibrary #passivecomponents #resistor #currentsense #shuntresistor #powermanagement #powersupply #batterymanagement #motorcontrol #industrialelectronics #automotiveelectronics #highcurrent #smd #electronicsdesign #circuitprotection

N-Channel 55 V 51A (Tc) 80W (Tc) Through Hole TO-220AB The IRLZ44ZPBF is a logic-level N-channel power MOSFET manufactured by Infineon Technologies under the International Rectifier product family. This device is optimized for low-voltage switching applications and is designed to provide high current handling capability with low on-state resistance. Its logic-level gate drive characteristic allows efficient operation directly from low-voltage microcontrollers and digital control circuits without requiring specialized gate drivers. The MOSFET is widely used in power management systems, motor control circuits, DC-DC converters, battery-powered devices, switching regulators, LED drivers, and general-purpose high-current switching applications. The device features fast switching performance, rugged avalanche characteristics, and low conduction losses, making it suitable for efficient power conversion and industrial electronic designs. Engineering Specification Device Type N-channel logic-level power MOSFET Transistor Technology Enhancement-mode HEXFET power MOS technology Channel Configuration Single N-channel Gate Drive Compatibility Logic-level gate operation compatible with low-voltage control systems Drain-to-Source Characteristics Low drain-to-source on-resistance for reduced conduction losses Switching Performance Fast switching capability for high-efficiency power applications Power Dissipation Designed for high-current and high-power switching operation Package Type TO-220 through-hole package Mounting Style Through-hole mounting Thermal Characteristics Optimized thermal performance for heatsink attachment and power dissipation Protection Features Rugged avalanche-rated structure for improved reliability Efficiency Features Low gate charge and low conduction losses Applications Motor drivers PWM switching circuits DC-DC converters Battery-powered electronics LED lighting control Power management systems Load switching Industrial automation Embedded power control High-current switching circuits Manufacturer Infineon Technologies / International Rectifier #commonpartslibrary #mosfet #powermosfet #nchannelmosfet #logiclevelmosfet #powerelectronics #switchingdevices #motorcontrol #dcdcconverter #embeddedhardware #powermanagement #electronicsdesign #throughholecomponents #infineon #internationalrectifier

This project is a dual channel DC motor controller based on L298N Template #motorController #L298N #controller #motor #DC #referenceDesign #project