Analogue / Linear / Mixed Signal ICs

E-peas has created a power IC that can mediate between two energy harvesters, a 5V charger, a power store and a load. AEM13920 can work from any combination of two sources including: photo-voltaic cells, thermo-electric generators, RF energy harvesters or kinetic pulsed sources. “For instance, a remote control could have separate PV cells on its front and rear, to maintain ...

Rohm has developed Hall-based magnetic detectors for vehicle use. BD5310xG-CZ types are momentary (dubbed ‘unipolar’): turning on above a fixed south pole magnetic flux density and turning off below the same threshold (with a small amount of hysteresis) BD5410xG-CZ types are latching: turning on above a fixed south pole flux density, then remaining on until an equal north pole flux ...

Diodes has announced a single-channel version of its automotive-qualified AS2333Q dual precision micro-power op-amp. AS333Q has an 8μV input offset (22μV max 25°C), consumes 17μA, and has “near zero-drift over time and temperature for high-accuracy signal conditioning in automotive electronic control units”, according to the company. It has rail-to-rail inputs and output, with the common-mode range extending 100mV beyond the ...

Texas Instruments has picked the Hall effect for its latest isolated current sensor, and claims 50ppm/°C drift over temperature and ±0.5% drift over lifetime. Aimed at electric vehicle chargers and with versions available up to 75Arms, isolation in the TMCS1123 is rated at 1.1kVdc, and to withstand 5kVrms. “Assessment of device lifetime working voltages follow VDE 0884-11 for reinforced insulation, ...

Texas Instruments is previewing a 50V quad-channel single-pole analogue switch with a wide voltage range, low on-resistance and consistent on-resistance with signal amplitude. Called TMUX7612 and made on a CMOS process, it will run on single rails between 4.5 and 50V, dual rails from ±4.5 to ±25V, and asymmetric rails – the company gave 37.5Vdd and -12.5Vss as an example, ...

Nexperia has introduced its first 5V load switch IC, which operates across 2.5 – 5.5V with 110mA to 2.5A current limiting. The 2 x 2mm NPS4053, as it will be know, is optimised use in portable devices such as notebook computers, desktops and docking stations, and automotive infotainment systems – it is UL 62368 recognised and there is an AEC-Q100 ...

Diodes has created a high-speed double-pole double-throw analogue switch that can be used as a multiplexer or de-multiplexer at over 5GHz. To be known as PSMUX136, it supports a supply of 1.8 to 5.5V, and from 0 to 3.6V on the analogue ports. Control pins are compatible with 1.8V logic. The device has two single-pole double throw switches, A and ...

Infineon Technologies has launched an ultra-low resistance high-side switch in a 9.9 x 11.7 x 2.3mm surface-mount package. For automotive use on 12V circuits, the IC is “ISO 26262-ready for supporting the integrator in evaluation of hardware element according to ISO 26262:2018 Clause 8-13”, said the company. Called BTS50005-1LUA, its nominal on-resistance is 0.6mΩ (1.1mΩ max at 150°C) and carrying ...

Texas Instruments has created a series of precision current monitors with digital outputs, for use across power rails from  -100mV to +85V, at up to ±78.64A. In each case, an internal ΣΔ ADC measures current across an integrated sensing resistor, as well as voltage and temperature – communication with the host if via I2C. The ICs need a separate supply ...

STMicroelectronics has created its first galvanically isolated gate driver for GaN transistors. Called STGAP2GS the wide body SO-8W packaged single-channel driver can work with rails up to 1.2kV. The package is 5.8mm long by 10.3mm across pins tips, with 7.5mm between leg roots on either side of the isolation barrier. A separate supply (above), or dual supplies (left) if a ...