USB Type C PMIC 40-TQFN (6x6) The MAX25432 combines an automotive-grade buckboost controller capable of full-range 3.3V to 21V programmable power supply (PPS) at up to 6.35A, USB Power Delivery (USB PD) analog front-end (AFE), legacy USB charging support, and USB Type-C® protection switches for automotive USB host or downstream-facing (DFP) applications. The USB TypeC protection switches provide automotive system-level ESD protection and 24V short-circuit protection for D+, D-, CC1, CC2, and VCONN. The device can optionally support legacy charging modes for older passenger phones including BC1.2, Apple® Charge, Apple CarPlay®, Apple MFi, and USB On-The-Go (OTG). The MAX25432B integrates a USB PD AFE, which supports the USB-IF Type-C Port Controller Interface (TCPCI) specification and can interface with any I2C controller in the application. The MAX25432A provides configuration channel (CC) signal pass-through protection for an external USB PD controller. P-suffix and G-suffix devices include intelligent detection and protection to avoid high short-circuit currents flowing from the car battery through the cable shield to ground during fault events, thus preventing car module damage. The MAX25432 is available in a small, 6mm x 6mm, 40- pin TQFN-EP package and requires very few external components. The MAX25432 evaluation (EV) kit and collateral provide a convenient platform to the design engineer for rapid evaluation with reduced test and firmware development time. Integrated I2C Buck-Boost Controller with PPS 4.5V to 36V Input Operating Range 3.3V to 21V Constant Voltage, 10mV LSB 1A to 6.35A Current Limit, 25mA LSB 220kHz, 300kHz, and 400kHz SwitchingFrequency VBUS Cable Compensation up to 516mΩ External Frequency Synchronization and SpreadSpectrum for Reduced EMI USB PD 3.1 Type-C Port Controller USB-IF Compliant - TID 9154 Up to 800mV Ground Offset Pairs with ADI TCPM for Turn-Key Solution MAX25432BATLP Enables: ADI TCPM Alternate Mode and Dual-Role Port Improved CC Detection Advanced Monitoring Algorithms (V, T) Dynamic Loop Control Highest Performance, Safest, and Lowest Cost Passenger Cable-Shield Short-to-Battery Protection Minimizes Short-Circuit Currents with a Small,Single-FET Solution Integrated Current-Sense Amplifiers, ADC and DAC Integrated 3.3V to 5.0V, 1.5W, Smart, Reliable VCONN Switches and Protection, 50mA to 500mA OCP Integrated 24V DC Protection on Protected HVD+, HVD-, HVCC1, HVCC2 Outputs Integrated Legacy USB 2.0 Charging Support Including BC1.2, Apple CarPlay, OTG, and Apple MFi Rev 3x Integrated ±15kV Air-Gap/±8kV Contact Discharge ISO 10605 and IEC 61000-4-2 ESD Protection -40°C to +125°C Operating Temperature Range 40-Pin, 6mm x 6mm, TQFN Package with EP AEC-Q100 and AEC-Q006 Qualified #CommonPartsLibrary #IntegratedCircuit #PowerManagement

1 mOhms ±1% 4W Chip Resistor Nonstandard Automotive AEC-Q200, Current Sense Metal Element Bourns Inc. CSS4J-4026R-1L00F is a high-power surface-mount current sense resistor designed for accurate current measurement in power electronics applications. It belongs to the CSS4J-4026 series and uses a metal element construction that provides low resistance, high power handling, and excellent stability for automotive and industrial applications. This device features a 1 mΩ resistance value, ±1% tolerance, and 4 W power rating, making it suitable for monitoring high-current paths while minimizing measurement losses. It is also qualified for AEC-Q200 automotive applications and operates across a wide temperature range. Key Features Component Type: SMD Current Sense Resistor (Metal Element / Metal Strip) Resistance Value: 1 mΩ (0.001 Ω) Resistance Tolerance: ±1% Power Rating: 4 W Package Size: 4026 (approx. 10.06 mm × 6.60 mm) Number of Terminals: 4 terminals (Kelvin sensing configuration) Temperature Coefficient: approximately ±75 ppm/°C Operating Temperature Range: −55°C to +170°C Construction: Metal element current shunt resistor for accurate current measurement Qualification: Automotive AEC-Q200 compliant Typical Applications Battery Management Systems (BMS) EV and automotive power systems Motor control circuits Power supplies and DC/DC converters Overcurrent monitoring and protection circuits Industrial power monitoring equipment #CommonPartsLibrary #Bourns #CSS4J4026 #CurrentSenseResistor #ShuntResistor #MetalElementResistor #AECQ200 #PowerElectronics #BatteryManagementSystem #EVElectronics #SMTComponents #PCBDesign

Bus Switch 1 x 8:1 24-VQFN (4x4) # TCA9548ARGER Engineering Specifications **General Description** The TCA9548ARGER is a low-voltage I²C and SMBus switch manufactured by Texas Instruments. It is designed to expand and manage I²C communication networks by allowing a single master device to selectively communicate with multiple downstream buses through independent switching channels. The device functions as a bidirectional translating switch, enabling communication between devices operating at different voltage levels while maintaining protocol compatibility. Through software control, individual channels can be enabled or disabled, providing flexible bus segmentation, address conflict resolution, and system scalability. The TCA9548ARGER is widely used in embedded systems, industrial control equipment, data acquisition platforms, telecommunications hardware, server management systems, sensor networks, and Internet of Things applications where multiple I²C devices must be connected to a single controller. Its low-power CMOS architecture, integrated reset functionality, and hot-insertion support make it suitable for complex digital systems requiring reliable and efficient I²C bus management. **Engineering Specifications** **Manufacturer:** Texas Instruments **Manufacturer Part Number:** TCA9548ARGER **Component Type:** I²C bus switch and multiplexer **Technology:** Low-voltage CMOS **Interface Standard:** I²C and SMBus compatible **Switch Configuration:** Multiple downstream I²C channel selection **Channel Operation:** Software-controlled channel enable and disable **Communication Direction:** Bidirectional signal transmission **Voltage Translation Capability:** Supports communication between devices operating at different logic voltages **Bus Isolation Function:** Independent channel isolation for address conflict management **Control Method:** I²C command-based channel selection **Address Selection:** Configurable device addressing through hardware address pins **Power Supply Configuration:** Single-supply operation **Power Consumption:** Low-power operation suitable for embedded applications **Signal Integrity Features:** Low ON-state resistance and low propagation delay **Reset Function:** Dedicated hardware reset input **Hot Insertion Support:** Prevents bus disruption during device insertion and removal **Fail-Safe Characteristics:** Protection against unintended bus communication during power transitions **Bus Capacitance Management:** Improves communication reliability in large I²C networks **System Scalability:** Supports expansion of sensor, peripheral, and control-device networks **Electrostatic Protection:** Integrated ESD protection circuitry **Operating Temperature Range:** Industrial temperature range **Package Type:** VQFN surface-mount package **Mounting Style:** Surface mount technology **Package Construction:** Leadless thermally efficient package **Environmental Compliance:** RoHS compliant and lead-free **Reliability Features:** Designed for high-reliability industrial and embedded applications **Typical Applications** I²C bus expansion systems Sensor aggregation networks Industrial automation equipment Embedded controller platforms Server management systems Data acquisition hardware Telecommunications equipment Internet of Things devices Medical instrumentation Consumer electronics Robotics and automation systems Environmental monitoring devices Smart building control systems Automotive electronic subsystems Multi-sensor embedded applications #TCA9548A #TCA9548ARGER #TexasInstruments #I2C #SMBus #BusMultiplexer #I2CSwitch #EmbeddedSystems #IndustrialAutomation #SensorNetworks #IoT #DataAcquisition #ElectronicsEngineering #ElectronicComponents #EngineeringSpecifications

USB Switch USB 3.1 USB Interface 18-TMLP (2x2.8) The FUSB340 is a 2:1 data switch for USB SuperSpeed Gen1 and Gen2, 5 Gbps and 10 Gbps data. It is targeted at the mobile device market and for use in Type−C applications where a reversible cable requires a switch. The FUSB340 data switch offers superior performance various high speed data transmission protocols: • USB 3.1 SuperSpeed (Gen 2), 10 Gbps • PCI Express, Gen 3 • SATA • Fibre Channel • Display Port 1.3 Features • 10 GHz Typical Bandwidth • USB 3.1 SuperSpeed 5 Gbps and10 Gbps Switch • −1.0 dB Typical Insertion Loss at 2.5 GHz • Low Active Power of 12 A Typical • Low Shutdown Power of < 1 A Max. • 2 kV HBM ESD Protection • Small Packaging, 18 Lead TMLP • Wide VDD Operating Range, 1.5 V−5.0 V • This is a Pb−Free Device #CommonPartsLibrary #IntegratedCircuit #Controller #FUSB340

Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (3.5x5.5) The LM5148RGYR specification defines the engineering requirements for a synchronous buck controller integrated circuit designed for high-efficiency DC-DC power conversion applications. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure reliable voltage regulation, efficient power management, and long-term operational stability in industrial, automotive, telecommunications, and embedded electronic systems. The device is intended for use in high-performance power supply designs requiring wide input voltage capability, precise output voltage regulation, and high-current conversion efficiency. It controls external power MOSFETs to implement synchronous buck converter topologies suitable for distributed power architectures, industrial automation equipment, networking infrastructure, battery-powered systems, and embedded control applications. Engineering Requirements The controller shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure stable switching performance, low power consumption, and reliable long-term operation. The device shall maintain consistent functionality under specified operating voltage, temperature, and environmental conditions. Electrical characteristics shall provide accurate pulse-width modulation control, stable output voltage regulation, fast transient response, and reliable gate drive capability for external synchronous power MOSFETs. The controller shall maintain predictable switching performance during startup, shutdown, overload, and dynamic load conditions while supporting efficient power conversion. The integrated control architecture shall provide robust regulation, protection features, and compensation capability to ensure stable converter operation across varying input voltages and output load conditions. The device shall maintain operational integrity during power sequencing and fault recovery without compromising system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical performance and reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of functionality. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect electrical or mechanical performance. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, material declarations, reliability data, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #BuckController #DCDCConverter #PowerManagement #SynchronousBuck #PowerElectronics #EmbeddedSystems #IndustrialElectronics #QualityAssurance #EngineeringDocumentation