A Single-Chip High-Voltage Integrated Actuator for Biomedical Ultrasound Scanners †
Abstract
:1. Introduction
2. Excitation Signals for Harmonic Imaging System
3. Single-Chip High-Voltage Driver for Biomedical Ultrasound
3.1. Input Stage
3.2. H-Bridge Power Driver
3.3. Low-Power Floating Power Supply
3.4. Capacitor-Coupled Floating Level-Shifter Design
3.5. Final Stage Power Inverter Design
4. Experimental Results and Discussions
4.1. Electrical Performance Verification
4.2. Acoustic Field Measurement Results
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Power Device Name | MP1 | MN2 | MN1 | MP2 | D1/D2 |
---|---|---|---|---|---|
Width (μm) | 950 × 10 | 250 × 11 | 300 × 11 | 800 × 10 | 100 × 8 |
Length (μm) | 0.5 | 0.9 | 0.9 | 0.5 | 36 |
Input Signal Frequency. | No input (Stand-by) | 3.5 MHz Pulse | 7.5 MHz Pulse | 10 MHz Pulse |
---|---|---|---|---|
VDDH = 50 V and VSSL = −50 V | 3.6 mW | 48.6 mW | 48.8 mW | 49.2 mW |
This Work | [23] | LM96550 [21] | MAX14808 [19] | MD2130 [22] | |
---|---|---|---|---|---|
Voltage level | 3 | 3 | 3 | 3/5 | Continuous |
External supply voltage sources | 4 | 6 | 6 | 5/7 | 5 |
Technology | 0.5 μm CMOS*-SOI | 0.25 μm BCD+ | N/A | N/A | CMOS* (discrete) |
Output voltage (V) | 0 to ±75 | 0 to ±40 | 0 to ±50 | 0 to ±100 | 0 to +125 |
Channel no. Maximum frequency (MHz) | 8up to 10 | 1 up to 20 | 8 up to 15 | 8 up to 10 | 1 up to 15 |
Peak current (A) | 2 | 2 | 2 | 2 | 3 |
Rising time (nsec) | 18.6 | 8.6 | 18 | 21 | - |
Falling time (nsec) | 18.5 | 8.5 | 18 | 21 | - |
Slew rate (V/μsec) | 3.7 K | 4.7 K | 2.2 K | 3.8 K | - |
Output load | 1 kΩ// 220 pF | 100 Ω//100 pF | 100 Ω// 330 pF | 1 kΩ// 240 pF | 1 kΩ// 220 pF |
HD2 (dBc) | −40 | −40 | −40 | −43 | −46 |
Standby power (mW/ch) | <4 | 5.5 | 32 | 17 | 152 |
Working power (mW/ch) | <50 | - | - | 73 | - |
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Hsia, C.; Hsiao, Y.-C.; Huang, Y.-C. A Single-Chip High-Voltage Integrated Actuator for Biomedical Ultrasound Scanners. Sensors 2019, 19, 5063. https://doi.org/10.3390/s19235063
Hsia C, Hsiao Y-C, Huang Y-C. A Single-Chip High-Voltage Integrated Actuator for Biomedical Ultrasound Scanners. Sensors. 2019; 19(23):5063. https://doi.org/10.3390/s19235063
Chicago/Turabian StyleHsia, Chin, Yi-Chi Hsiao, and Yen-Chung Huang. 2019. "A Single-Chip High-Voltage Integrated Actuator for Biomedical Ultrasound Scanners" Sensors 19, no. 23: 5063. https://doi.org/10.3390/s19235063
APA StyleHsia, C., Hsiao, Y.-C., & Huang, Y.-C. (2019). A Single-Chip High-Voltage Integrated Actuator for Biomedical Ultrasound Scanners. Sensors, 19(23), 5063. https://doi.org/10.3390/s19235063