STHV748QTR

Power Management - Specialized Overview

The STHV748QTR is an active monolithic high-voltage, high-speed pulser generator featuring four independent channels. It provides ±90 V output voltage and up to 2 A source/sink current with a 3/5-level mode operation. The device supports operating frequencies up to 20 MHz and includes a fully integrated T/R switch with 13.5 Ω on-resistance. It utilizes a 1.8 V to 3.6 V CMOS logic interface and operates in the industrial grade within a VFQFPN 64 package.

Power Management - Specialized Feature Summary

• Features recirculation current protection and anti-cross conduction functions for reliable piezoelectric transducer driving.
• Integrates a low-power floating high-voltage driver architecture with embedded clamping-to-ground capabilities.
• Includes a dedicated half-bridge for continuous wave operations and receiver multiplexing functionality.
• Utilizes HV SOI technology to ensure latch-up-free performance and thermal protection.

Power Management - Specialized Applications

• Medical ultrasound imaging systems
• Piezoelectric transducer drivers
• Capacitive transducer drivers
• MEMS-based transducer drivers

Power Management - Specialized Procurement Notes

Verify the specific suffix 'QTR' against official STMicroelectronics documentation to confirm tape-and-reel packaging status and exact pinout compatibility. Ensure the component meets the required industrial grade specifications and RoHs compliance standards before integration into production designs.

Power Management - Specialized Selection Notes

Select this component when designing medical ultrasound systems requiring high-voltage pulsing with precise timing control. It is suitable for applications demanding low jitter and minimal external passive components. Consider its pinout compatibility with the STHV748 if upgrading existing designs.

Power Management - Specialized Part Context

This part belongs to STMicroelectronics' specialized high-voltage pulser family designed for medical imaging. It complements other ultrasound front-end components by providing the necessary high-voltage drive signals for transducer excitation and echo reception switching.

Power Management - Specialized FAQ

Does the STHV748QTR support 3-level and 5-level output waveform modes?

Yes, the device explicitly supports both 3-level and 5-level mode operations for flexible ultrasound pulse generation.

What is the maximum operating frequency of the STHV748QTR?

The device is designed to operate at frequencies up to 20 MHz.