Other hardware and tools

TSC240 is a high-precision current-sense amplifier with elevated voltage tolerance and 120dB PWM rejection for accurate and reliable monitoring in automotive traction inverters, factory automation and robotics, and servers. The TSC240 handles common-mode voltages from -4V to 100V and is AEC-Q100 qualified, allowing use with industrial DC buses and established automotive boardnet standards including 12V, 24V, and 48V. The amplifier’s tolerance for high voltages reduces dependence on external components to provide protection. In addition, the gain is internally fixed at 20V/V thereby ensuring precision and repeatability while also saving external resistors. Designers can thus ensure a compact circuit footprint and minimize the bill of materials. Capable of bidirectional current sensing, the TSC240 offers outstanding precision, with maximum gain error of 0.2% and drift of 2.5 ppm/°C, offset voltage of just ±20µV, and drift of 150nV/°C. Its high common-mode rejection ratio (CMRR) ensures a

STMicroelectronics has introduced the STNRG599A and STNRG599B controllers for resonant-converter topologies with innovative phase-shift control (PSC) that boosts power-supply no-load efficiency and delivers flicker-free deep dimming in lighting applications. The STNRG599A is optimized for power conversion, with built-in X-capacitor discharge circuitry for safety in adapters, chargers, TV power supplies, and industrial power supplies. The STNRG599B, without discharge circuitry, targets circuits such as lighting drivers. The controllers operate up to 750kHz maximum frequency, with a wide input-voltage range to handle applications from 90W to several hundred Watts. In each IC, two complementary outputs drive external high-side and low-side switches 180° out-of-phase, with zero-voltage switching across the full operating range. ST’s PSC technique regulates the output by directly controlling the phase shift between the half-bridge voltage and the resonant-tank current. This reduces the cont

STGAP2SA and STGAP2HSA automotive-grade, galvanically isolated 4A gate drivers with 60ns response time and close part-to-part matching allow high switching frequencies for increased power density and efficiency. Suitable for IGBTs and silicon MOSFETs operating with a high-voltage rail up to 1200V, the drivers can sink/source 4A at up to 26V for unipolar or bipolar driving. Extending the STGAP series, ST's industrial and automotive galvanic isolated gate drivers, these AEC-Q100 qualified devices can handle a wide variety of applications throughout conventional, hybrid, and electric vehicles. Typical uses include DC/DC converters, pumps, fans, heaters, e-compressors, and on-board chargers (OBC). Other uses include wallbox and pedestal DC charging systems, as well as industrial inverters and motor drives. Featuring built-in protection, the drivers simplify design and enhance reliability, with under-voltage lockout (UVLO) and an output safe state during power-up and power-down. There is al

With 4V minimum operating voltage, STMicroelectronics’ VNQ9050LAJ 4-channel automotive high-side driver powers through disturbances including extreme cold cranking operation down to 2.7V, boosting vehicle reliability and ensuring superior user experiences. This resilience when exposed to severe transients meets the latest version of LV124, the automotive industry’s stringent quality standard for electrical and electronic components. Designed to power 12V ground-connected loads, the VNQ9050LAJ is compatible with 3V and 5V logic signals. Built with ST’s latest-generation VIPower-M09 technology, the driver has typical on-resistance as low as 50 mΩ to help boost efficiency and save energy. As an intelligent power switch, the VNQ9050LAJ brings further innovations to protect resistive, capacitive, and inductive loads. These include high-precision load-current sensing by implementing an on-chip current-mirror circuit with a sense-FET that closely tracks the main power-FET parameters. The curr

A new ultra-compact thyristor gate driver developed for small AC-powered appliances such as hairdryers, which features an innovative new isolation transformer that enables simpler, slimmer designs. The tiny new driver, STSID140-12, is housed in a 5.35mm x 3.45mm leadless DFN package only 1.2mm high. The transformer embedded in the device substrate ensures safety and reliability with an insulation voltage of 1250V (RMS) inside the minuscule dimensions. Also featuring enhanced immunity to interference, the STSID140-12 requires only minimal AC-input filter capacitance for conducted and radiation emission thereby saving more space and lowering the bill of materials (BOM). In addition, the surface-mount package is suited to automated assembly and saves manual wiring during product manufacture. Thyristors, or silicon-controlled rectifiers (SCRs), are proven and inexpensive in applications operated at domestic line voltages and frequency, including dimmers, heaters, and motor-driven appl

Supporting faster data speeds in space applications, ST’s RHFLVDS41 Low-Voltage Differential Signaling driver sets a new performance benchmark among QML-V qualified devices for data exchanges at up to 600Mbps. Having a wide operating-voltage range, from 2.3V-3.6V, the driver is compatible with the latest low-voltage logic and lower supply-voltage norms (TIA/EIA-644 and Jedec), as well as older CMOS devices. In addition to increasing performance and flexibility, the RHFLVDS41 also enhances resilience and reliability with 4.8V absolute maximum rating (AMR), 300krad/s maximum total ionizing dose (TID), and 8kV ESD immunity. Heavy-ion immunity parameters include single event latchup (SEL) free at 125MeV.cm²/mg and single event transient (SET) free at 62.5MeV.cm²/mg. The high-end 130nm pure CMOS technology is proven in space for more than 10 years. With a convenient flow-through pinout that helps utilize PCB space and equalize signal trace lengths, the RHFLVDS41 saves weight and wiring comp

SRK1004 synchronous-rectifier controllers save space and increase efficiency in the secondary side of active-clamp, resonant, and quasi-resonant flyback (ACF, AHB, QR) converters for chargers, power adapters, and switched-mode power supplies. The minuscule 2mm x 2mm ICs supersede the SRK1001 and implement a new switch-off algorithm for increased efficiency and robustness.With six variants available, the SRK1004 series lets designers choose logic-level or standard MOSFET gate drive, and 25ns or 150ns turn-off delay to compensate for drain inductance. Suitable for active clamp, resonant and quasi-resonant flyback topologies, the controllers also contain circuitry that creates a turn-on window to prevent unwanted switching. The output can sink up to 1.6A and source 0.6A to the gate, while the switching frequency of 500kHz permits a compact and low-cost design. Leveraging ST’s robust silicon-on-insulator (SOI) process, the SRK1004 can control the MOSFET in either low-side or high-side conn

The TSZ151 op amps have very low offset voltage with minimal temperature drift, offering high accuracy and stability to circuits for sensor interfacing, signal conditioning, and current measurement. ​An extremely low input offset voltage (Vio) is the defining parameter of a high-accuracy operational amplifier (op amp). The TSZ151 has Vio less than 7 µV at 25°C. Moreover, the value remains stable, below 10 µV, over the full specified temperature range, from -40 to 125 °C. Its high stability minimizes reliance on periodic recalibration, enhancing availability of the end product throughout its lifetime. With gain-bandwidth of 1.6 MHz and drawing just 210 μA at 5 V, the TSZ151 sits between ST’s 400 kHz TSZ121 and 3MHz TSZ181, giving designers more choice and flexibility to optimize speed and power consumption. The TSZ151 combines its excellent speed-to-power ratio with ultra-low maximum input bias current of 300 pA. Having a minimum operating voltage of 1.8 V, the TSZ151 can be powered fro

We're excited to announce a new variant of the ST67W611M1 Wi-Fi module, the ST67W611M1A6P. This new module is specifically designed to help developers build more robust and reliable wireless products by overcoming challenging RF environments.  The new 'P Version' (ST67W611M1A6P) This new module comes in a compact 32-pin LGA package, making it a great fit for space-constrained designs. Package size: 12.28 x 12.28 x 2.4 mm Package type: 32-pin LGA Pitch: 1.27 mm While the compact form factor is a significant benefit, the standout feature unlocked by this version is receive (RX) diversity.  The game-changer: RX diversity We all know that real-world environments are tough on radio signals. The ST67W611M1A6P directly addresses this by using RX diversity to recover radio performance, especially in difficult reception conditions. This feature is essential for tackling common RF problems like: Antenna cross-polarization Multiple reflections on the radio path Multipath fading   How it works The

TSZ901 operational amplifier (op-amp) combines precision and zero-drift properties with 10MHz gain-bandwidth (GBW), adding enhanced stability to applications that demand high speed with high accuracy. Leveraging chopper-stabilization, unusual among 10MHz op amps, the TSZ901 has input-offset voltage of just 5µV at 25°C and within 8µV across the full operating-temperature range from -40°C to 125°C. Unlike op amps that require trimming to deliver required accuracy only within a limited temperature range, this one delivers consistent performance at all temperatures. With input noise of just 9nV/√Hz, the TSZ901 demands minimal power, drawing just 1.5mA at 5V and operating with a supply voltage from 5.5V down to 2.5V. These properties ensure the TSZ901 performs strongly in circuits such as MEMS-sensor interfaces, current-sense amplifiers, precision active filters, instrumentation buffers, transimpedance amplifiers, precision analog front-ends, and voltage references. Designers can minimize c

STMicroelectronics has expanded its range of rad-hard ICs with three new low-voltage rectifier diodes for the power circuits of Low Earth Orbit (LEO) satellites. Delivered in mass-produced, lightweight SOD128 plastic packages, the flight-ready LEO1N58xx diodes provide power management and protection in circuits such as switched-mode power supplies and high-frequency DC-DC converters. Manufactured using ST’s space-proven Power Schottky and Ultrafast technologies, the LEO1N58xx family meets the New Space industry’s stringent demands for cost-effectiveness, radiation hardness, small size, quality assurance, and higher-volume availability. Developed from ST’s space-grade European Space Components Coordination (ESCC) approved diodes, the new LEO-ready parts are produced under strict quality controls using automotive IATF 16949 manufacturing processes with wafer-level traceability. The devices are AEC-Q101 qualified, subject to Wafer-Lot Acceptance Testing (WLAT), and supplied with a Certifi

STMicroelectronics has added VIPerGaN65W, a 65 Watt flyback converter, in the VIPerGaN series that combines a 700V GaN transistor and quasi-resonant PWM control IC in a single QFN 5x6 package. Joining the VIPerGaN50W announced previously, the new VIPerGaN65W extends opportunities for customers to develop high-quality, cost-effective USB-PD chargers, fast battery chargers, and auxiliary power supplies that ensure superior user experiences. The flyback controller of these converters operates in quasi-resonant mode with zero-voltage switching (ZVS) up to the full load. Valley skipping optimizes efficiency at mid-to-high load, with ST’s proprietary valley locking to prevent noise at audio frequencies and thus ensure silent operation. With frequency foldback at light load, the converter enters burst operation at no-load to cut power consumption below 30mW for eco-design compliance. The integrated gate driver is fine-tuned for the GaN transistor parameters, which saves designers adding exter

IPS1050LQ low-side switch IC provides flexible overcurrent protection, including a static mode with fixed, programmable current limit and a dynamic mode that safely handles high inrush current. With a maximum rating of 65V, for the output stage, the IC can be used in equipment such as programmable logic controllers (PLCs), factory automation, and CNC machines. The IC has three pins for selecting the static or dynamic mode and setting the operating current limit, allowing eight permissible values. In static mode, the activation level and threshold can be set using external resistors or by driving the pins from the GPIO ports of a microcontroller or ASIC. Connecting a capacitor to one or more of the pins selects the dynamic mode, which sets an initial limit of up to 25A to allow for inrush current. The limit reduces automatically in stages, with each duration determined according to capacitance value, before reaching the desired operating current limit. Based on STMicroelectronics’ prove

VNF1248F automotive e-fuse MOSFET controller combines ST’s fast-acting, advanced e-fuse features for harness protection and enhanced flexibility, enabling power saving and advanced performance in automotive functional-safety systems. A new addition to the STi2Fuse family, the VNF1248F reacts within 100μs, which is faster than a conventional wire fuse and ensures flexible and robust protection to avoid fault propagation inside the vehicle The VNF1248F integrates the new capacitive charging mode (CCM) functionality to ensure proper driving of large capacitive loads with high inrush current. In addition, an enhanced Standby-ON mode with current capability up to 600mA and current consumption lower than 75uA enhances the vehicle’s efficiency when in park mode, helping increase autonomy. An optional external supply pin for logic reduces power consumption by 0.4W in 48V systems and battery-undervoltage shutdown compatible with the automotive LV124 standard ensures system stability. The chip f

STMicroelectronics today announced the ST33KTPM-IDevID, a turnkey solution for device authentication and remote attestation. The solution is based on the first TPM (Trusted Platform Module) device certified to FIPS 140-3 standard, the ST33KTPM2X. The TPM comes pre-provisioned with an initial device ID (DevID) and an initial attestation key (IAK), following the TCG’s “TPM 2.0 Keys for Device Identity and Attestation v1.10” specification. How does the ST33KTPM-IDevID simplify security integration? Designers using this secure solution can easily deploy ST-provisioned keys and certificates in their connected products. This turnkey solution not only speeds up design time but also enables secure network integration without the need for secure infrastructure at their manufacturing sites. Which applications and use cases does it support? The ST33KTPM-IDevID supports communication via SPI or I²C interfaces. It provides strong asset protection to meet security and regulatory requirements across

STMicroelectronics is introducing a series of GaN flyback converters that simplify designing and building compact, efficient USB-PD chargers, fast battery chargers, and auxiliary power supplies. The converters handle reduced loads with a proprietary technique that ensures power supplies and chargers always operate soundlessly for a superior user experience. Beginning with the VIPerGaN50W, which contains a 700V GaN power transistor, the new converters also integrate the flyback controller, and optimized gate driver in a compact power package. The integrated gate driver saves fine-tuning the gate resistance and inductance, helping accelerate time to market, in addition to increasing power density and minimizing the bill of materials. The 50W flyback controller operates in quasi-resonant mode with zero-voltage switching (ZVS) up to the full load. Frequency foldback at light load and valley skipping at mid-to-high load limit the switching frequency for optimal efficiency. In valley skippin

Ready for 48V automotive power architectures, the L98GD8 driver from STMicroelectronics has eight fully configurable channels for driving MOSFETs in flexible high-side and low-side configurations. Able to operate from a 58V supply, the L98GD8 provides rich diagnostics and protection for safety and reliability. The 48V powernet lets car makers increase the capabilities of mild-hybrid systems including integrated starter-generators, extending electric-drive modes and enhancing energy recovery to meet stringent new, globally harmonized vehicle-emission tests. Powering additional large loads at 48V, such as the e-compressor, pumps, fans, and valves further raises overall electrical efficiency and lowers vehicle weight. ST’s L98GD8 assists the transition, as an integrated solution optimized for driving the gates of NMOS or PMOS FETs in 48V-powered systems. With eight independent, configurable outputs, a single driver IC controls MOSFETs connected as individual power switches or as high-side

ST’s DCP3601 miniature monolithic buck converter combines extensive feature integration and flexibility, enabling simple, low-BOM designs to achieve high conversion efficiency. The power switches and compensation are built-in, requiring only six components to complete the circuit, including the inductor, bootstrap and filter capacitors, and feedback resistors for setting the output voltage. With its 3.3V-to-36V input voltage range and 1A output capability, the DCP3601 can power low-voltage loads in applications such as smart meters, domestic appliances, and industrial 24V conversion. Synchronous rectification and a fixed switching frequency of 1MHz ensure high efficiency across the load range and under all operating conditions, reaching 91% at 600mA with 12V input and 5V output. Flexibility comes from the selection of different variants, offering the choice of forced-PWM operation for noise-sensitive applications or pulse-skipping at light load for minimal power consumption. Additional

STMicroelectronics has released an IO-Link development kit that simplifies building actuators and sensors by providing all necessary hardware and software, including an actuator board containing an intelligent power switch. By including the actuator hardware, ST’s P-NUCLEO-IOD5A1 kit goes further to help users leverage IO-Link’s powerful bidirectional point-to-point connectivity in all types of device nodes. Widely used in industrial-automation projects, the protocol enables rich interactions with sensors and actuators, including device configuration and diagnostic reporting as well as basic input/output data. The P-NUCLEO-IOD5A1 box comprises an STM32 Nucleo microcontroller (MCU) main development board, a transceiver board, and the actuator board. The transceiver and actuator are stackable and connect to headers on the main board. This modular kit lets users quickly configure their IO-Link device and begin evaluation, leveraging the drivers and application examples included in the com

STDRIVEG210 and STDRIVEG211 half-bridge gallium nitride (GaN) gate drivers are tailored for systems powered from industrial or telecom bus voltages, 72V battery systems, and 110V AC line-powered equipment. Rated for maximum rail voltage of 220V, the drivers integrate linear regulators to generate high-side and low-side 6 V gate signals and provide separate sink and source paths for optimum control. The STDRIVEG210 is featured for power-conversion applications such as server and telecom supplies, battery chargers, adapters, solar micro-inverters and optimizers, LED lighting, and USB-C power sources. Suitable both for resonant and hard-switching topologies, its 300ns startup time permits to minimize the wake-up time especially during intermittent operation (burst mode). The STDRIVEG211, equipped with overcurrent detection and smart shutdown, targets motor drives in power tools, e-bikes, pumps, and servos, as well as class-D audio amplifiers, in addition to power supplies. Both devices si

L99VR03 300mA low-dropout (LDO) regulator provides resilient and efficient power, with a wide input-voltage range and very low quiescent current consumption, only 3.5µA at no load. The IC has an enable pin for turning the regulator off, which reduces the idle current to 800nA, and integrates soft-start circuitry to limit current during power-up and fault recovery. Qualified to AEC-Q100, the L99VR03 powers circuitry such as automotive microcontroller systems, logic ICs, and sensors in body-control modules, telematics controllers, lighting controllers, and head units. Additional applications include providing sustaining power for slow ramp-up systems. The device has a wide operating temperature range, from -40°C to 175°C, allowing deployment under the hood in combustion engine vehicles and in the power modules of EV drivetrains. ST’s L99VR03 LDOs are available with a fixed 3.3V or 5V output and operate with up to 40V at the input. The output is accurate to within ±2% in all operating con

The SPSA068 from STMicroelectronics is a compact, convenient, and cost-effective power-management IC (PMIC) for automotive applications. With configurable parameters and qualified to AEC-Q100, the SPSA068 supports ISO 26262 functional safety (FuSa) approval up to ASIL-B. Designed for use with microcontrollers (MCUs) that operate from a single-supply voltage, the SPSA068 implements all the features required in a turnkey solution for MCU power management. It integrates a 1A battery-compatible buck voltage regulator, a precise (1%) voltage reference, watchdog supervisors, diagnostic indicators, MCU reset control, and Serial Peripheral Interface (SPI) for configuration and status checking. The device parameters are customizable via non-volatile memory (NVM). The buck regulator output can be configured to 5V, 3.3V, or 1.2V, and other voltages can be achieved using external resistors, with load-current options of 0.5A or 1A, while the switching frequency can be set to 0.4MHz or 2.4MHz. The v

The HFA80A automotive-grade analog-input class-D audio amplifier combines high efficiency, small size, and a low bill of materials, with load diagnostics optimized for automotive and native electromagnetic compatibility (EMC). With its feedback-before-filter topology and 2MHz nominal PWM frequency, the HFA80A lets designers optimize the output filter for the targeted performance and achieve a compact outline with small component values. Spread-spectrum operation simplifies meeting the mandatory CISPR 25 specification, with no additional EMC-specific filtering required. The amplifier delivers clear and powerful listening experiences, driving up to 4x 49W into 2Ω speakers at 14.4V and with typical harmonic distortion (THD) specified at 0.015% (1W/4Ω). Pure sound is assured, with low output noise and crosstalk as well as 80dB power supply rejection specified at 1W/1kHz with 4Ω loads. Flat frequency response up to 40kHz ensures generous bandwidth for high-resolution audio, which designers

The new VIPer11B off-line high-voltage converters make tiny, efficient, and low-cost power supplies for applications up to 8W, including lighting, smart-home equipment, appliances, and smart meters. ST’s VIPer11B converters cut the bill of materials through extensive feature integration to simplify circuit design and save external components. The 800V avalanche-rugged MOSFET requires only small snubbing components and a built-in senseFET provides almost lossless current sensing with no additional resistors. High-voltage startup circuitry is on-chip, requiring only an external capacitor for the Vcc supply, and the frequency-jittered oscillator minimizes any external filtering needed to meet electromagnetic compatibility (EMC) regulations. Also, being housed in a compact SSOP10 package, the converters deliver power where space is tight. This can be especially valuable in applications that are subject to rigidly defined form factors, such as LED-lighting drivers and smart bulbs. The conve

DCP0606Y automotive step-down converters let designers build extremely compact and efficient step-down power supplies to deliver 6A maximum output current at a voltage as low as 0.6V. The converters are conceived for applications such as telematics, heads-up displays, infotainment, multimedia and camera digital core power, ADAS power supplies, and others that require high-current low-voltage post regulation. An evaluation board, STEVAL-0606YADJ, is available now to simplify getting started and accelerate development. With high-side and low-side MOSFETs, gate drivers, control logic, protection, and soft-start circuitry integrated in the DCP0606Y’s 3mm x 2mm package, the design is complete with minimal additional external components. A single resistor sets the switching frequency, which can be 1.8MHz, 2.25MHz, 3.5MHz, or 4MHz thereby permitting low capacitor and inductor values. Internal frequency dithering attenuates EMI peaks and the DCP0606Y allows further optimization by providing lo