STMicroelectronics STHV1600 ultrasound pulser

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Targeting key medical and industrial applications, STMicroelectronics has launched a high-voltage, compact and robust transmission pulser solution, built using the company’s BCD8s-SOI technology, that supports analog (bipolar), digital (CMOS) and power (DMOS) circuits on the same die.

The STHV1600 provides a solution for high-end cart systems and ultraportable ultrasound equipment, while reinforcing ST’s existing portfolio of 4- and 8-channel pulser transmitters for medical and industrial ultrasound applications. To enable its small size, the transmission pulser integrates high-resolution beamforming for its 16 independent channels.

Offering the capability to program code excitation allows users to implement high-voltage stages and store the patterns in memory. For maximum flexibility, each channel can support up to five output levels and the output stages can provide up to ±2 A peak output current, independent from the high-voltage power-supply pins.

The product includes several global blocks, including thermal protection for the logic and for each channel, undervoltage protection and self-biased high-voltage MOSFET gate drivers with internal checks. Moreover, the IC includes 65 Kb of embedded memory to store pattern-control settings.

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