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Nouvelles Technologies

Dossiers 4 647
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Technology Cover

2023-02-22, High speed, high dynamic range, 12-bit pipelined ADC (a /D)

The ADS804 is a high-speed, high dynamic range, 12-bit, pipelined Analog-to-Digital (A/D) converter. This converter includes a high-bandwidth track-and-hold that gives excellent spurious performance up to and beyond the Nyquist rate. This high-bandwidth, linear track-and-hold minimizes harmonics and has low jitter, leading to excellent SNR performance. The ADS804 is also pin-compatible with the 5MHz ADS803 and the 20MHz ADS805.

Technology Cover

2023-02-21, Vishay introduces automotive grade miniature aluminum electrolytic capacitor -172 RLX

Vishay has announced the introduction of a new line of low impedance, automotive grade miniature aluminum electrolytic capacitors, the 172 RLX, which offer superior performance and reduced dimensions to previous generation solutions. Vishay BCcomponents 172 RLX series capacitors have ripple currents up to 4.9A and can operate at +105 °C for up to 10,000 hours. The Vishay BCComponents 172 RLX series capacitors are available in 14 dimensions from 10 mm x 12 mm to 18 mm x 40 mm.

Technology Cover

2023-02-21, TDK introduces the next generation embedded motor controller HVC 5x series

TDK Corporation further expanded the embedded motor controller product portfolio of its subsidiary Micronas with the introduction of the new HVC 5x family of programmable System on Chip (SOC) motor controller products for powering small stepping, brushed (BDC) and brushless (BLDC) DC motors in automotive and industrial applications.

Technology Cover

2023-02-21, STMicroelectronics Time-of-Flight ranging sensor

The VL53L0X is a Time-of-Flight (ToF) laserranging module housed in the smallest package on the market today, providing accurate distance measurement whatever the target reflectance, unlike conventional technologies. It can measure absolute distances up to 2 m, setting a new benchmark in ranging performance levels, opening the door to various new applications

Technology Cover

2023-02-21, Dual channel temperature sensor and overheating alarm

The ADT7481 is a 3-channel digital thermometer and under/ over temperature alarm, intended for use in PCs and thermal management systems. It can measure its own ambient temperature or the temperature of two remote thermal diodes. These thermal diodes can be located in a CPU or GPU, or they can be discrete diode connected transistors. The ambient temperature, or the temperature of the remote thermal diode, can be accurately measured to ±1°C.

Technology Cover

2023-02-21, 1.6MHz synchronous step-down plus 200mA LDO

The MP2101 is an internally compensated 1.6MHz fixed-frequency PWM step-down switcher with a 200mA low dropout (LDO) linear regulator. It is ideal for portable equipment powered by a single cell Lithium-Ion (Li+) Battery. The MP2101 can provide 800mA and 200mA of load current from a 2.5V to 6V input voltage. Both output voltages can be regulated as low as 0.6V

Technology Cover

2023-02-20, Microchip 1.8V-3.3V low power precision CMOS oscillator

The DSC1001/3/4 is a s ilicon MEMS based CMOS family of oscillators that offers excellent jitter and stability performance over a wide range of supply voltages and temperatures. The device operates from 1 MHz to 150 MHz with supply voltages between 1.8 to 3.3 volts and temperature ranges up to –40°C to 105°C

Technology Cover

2023-02-20, Microchip offers 750mA low voltage step-down regulator

The MIC2937A family are “bulletproof” efficient voltage regulators with very low dropout voltage (typically 40mV at light loads and 300mV at 500mA), and very low quiescent current (160µA typical). The quiescent current of the MIC2937A increases only slightly in dropout, thus prolonging battery life. Key MIC2937A features include protection against reversed battery, fold-back current limiting, and automotive “load dump” protection (60V positive transient)

Technology Cover

2023-02-20, Buck Converter - Synchronous 3mhz, 2 A

The NCV6334B, a family of synchronous buck converters, which is optimized to supply different sub systems of portable applications powered by one cell Li−ion or three cell Alkaline/NiCd/NiMH batteries.

Technology Cover

2023-02-20, High precision surge protection overvoltage protector

The MAX14699 overvoltage protection (OVP) device features a low 38mΩ (typ) on-resistance (RON) internal FET and protects low-voltage systems against voltage faults up to +28VDC. An internal clamp also protects the device from surges up to +100V. The MAX14699 features a 100ns (typ) overvoltage response time to minimize voltage rise on OUT during an overvoltage event. When the input voltage exceeds the overvoltage threshold, the internal FET is quickly turned off to prevent damage to the protected downstream components

Technology Cover

2023-02-20, Low voltage, programmable resistance, thermostatic switch

The AD22105 is a solid state thermostatic switch. Requiring only one external programming resistor, the AD22105 can be set to switch accurately at any temperature in the −40°C to +150°C wide operating range. Using a novel circuit architecture, the AD22105 asserts an open-collector output when the ambient temperature exceeds the user-programmed setpoint temperature. The AD22105 has approximately 4°C of hysteresis, which prevents rapid thermal on and off cycling

Technology Cover

2023-02-20, Isolated Sigma-Delta modulator from Analog Devices

The AD7401A1 is a second-order sigma-delta (Σ-Δ) modulator that converts analog input signals into high-speed 1-bit data streams with digital-on-chip isolation based on Analog Devices, Inc. 's iCoupler technology. Operates from a 5v power supply and accepts a pseudo-differential input signal of ±250 mV(±320 mV full scale). The device contains an on-chip reference. The AD7401A uses a 16-pin SOIC and operates in the temperature range −40°C to +125°C.

Technology Cover

2023-02-20, ±15 kV ESD protection 3 to 5.5V, 400 kbps, RS-232 transceiver automatic power off

The ST3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. The device meets the requirements of EIA/TIA and V.28/V. 24 communication standards providing high data rate capability and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver input are protected to ± 8 kV USING IEC 1000-4-2 contact discharge and ± 15 kV using the human body model. The receiver R2 is always active to implement a wake-up feature for serial port

Technology Cover

2023-02-20, NXP develops multi-switch detection interface

The multi-switch detection interface is designed to detect the closing and opening of up to 22 switch contacts. The switching state, on or off, is transmitted to the microprocessor unit (MCU) via the Serial Peripheral Interface (SPI). The device also has a 22-to-1 analog multiplexer for reading analog inputs. 33993 adopts 32-pin wide-body SOIC package to reduce the area of the circuit board. The low rest current makes the 33993 ideal for automobiles and industrial products that require low sleep state current

Technology Cover

2023-02-19, Precision 8-bit voltage output digital - to - analog converter

The AD7224 is a precision 8-bit voltage output, digital-to-analog converter, output amplifier and dual buffered interface logic on a single chip CMOS chip. No external decoration is required to achieve the full specified performance of this part. The dual-buffer interface logic consists of two 8-bit registers -- an input register and a DAC register. Manufactured using a full ion-implanted high speed linearly compatible CMOS (LC2 MOS) process, a process specifically developed for integrating high speed digital logic circuits and precision analog circuits on the same chip

Technology Cover

2023-02-18, 5A, 2.4V ~ 5.5V input, high efficiency power module

The MAX17515 is a fixed-frequency, step-down power module in a thermally efficient system-in-package (SiP) package that operates from a 2.4V to 5.5V input supply voltage and supports output currents up to 5A. The device includes switch-mode power-supply controller, dual nMOSFET power switches, a fully shielded inductor, as well as compensation components. The device supports 0.75V to 3.6V programmable output voltage.

Technology Cover

2023-02-18, Texas Instruments provides the LM2672 series voltage regulator

The LM2672 series of regulators are monolithic integrated circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5.0V, 12V, and an adjustable output version

Technology Cover

2023-02-18, Dual synchronous rectifier reset or suppression, 0.5 A, 1.5 MHz adjustable step-down switch regulator

The ST2S06A33 and ST2S06B are dual stepdown DC-DC converters optimized for powering low-voltage digital cores in ODD applications and, generally, to replace high current linear solutions when the power dissipation may cause high heating of the application environment. It provides up to 0.5 A over an input voltage range of 2.5 V to 5.5 V.