400-W Continuous, Scalable, ±2.5- to ±150-V, Programmable Ultrasound Power Supply Reference Design TIDA-01352 (ACTIVE)

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Key Document

Description

The TIDA-01352 enables modular and efficient power scaling capability by providing a solution for digitally programmable power supply for powering ultrasound transmit circuit. The design uses push-pull topology to generate high-voltage (HV) and low- (LV) or MID- voltage power supplies. The HV rails are programmable from ±50V to ±150V, whereas the LV or MID rails are programmable from ±2.5V to ±50V. The power supply is capable of providing a continous power of 100-W on each rail. The programmability is implemented using onboard, 12-bit digital-to-analog converters (DACs). All the power supply rails are capable of being synchronized to a master clock. The design is scalable and modular allowing same supply to be duplicated or removed depending on number of channels and number of levels of pulser. The reference design also consists of other LV power supplies necessary for the pulser operation. This reference design is ideal for the high-voltgae DC-DC boost stage to use in conjuction with the floating (post) regulator design TIDA-01371.

Features
  • High-efficiency (89% at full load with 24-V input) push-pull topology enables scalability for lower or higher power (channel counts)
  • Independent positive and negative voltage power supplies helps achieving bipolar functionality for up to 192 digital pulser and linear amplifier transmit channels
  • Modular design allows same supply to be duplicated or removed depending on number of levels for pulser
  • Capable of switching frequency synchronization with ultrasound master or system clock frequency - helps in better harmonics rejection
  • Onboard, 12-bit, quad DAC enables digital programmability for output from ±2.5V to ±150 V (each rail can support 100-W continuous power and 350-W peak power)
  • Common power supply for pulser driver (to support B-Mode, CW-Mode, and elastography mode), internal level-shifters, and logic enables consolidation to single board design

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Design Files

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TI Devices (11)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CDCE937  Programmable 3-PLL VCXO Clock Synthesizer with 2.5-V or 3.3-V LVCMOS Outputs  Clock generators  Sample & Buy View Design Kits & Evaluation Modules
CSD17381F4  30V, N ch NexFET MOSFET™, single LGA 1.0 x 0.6mm, 117mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD19506KCS  80V, N ch NexFET MOSFET™, single TO-220, 2.3mOhm  MOSFETs  Sample & Buy Not Available
DAC60004  Ultra-Small, true 12-bit quad voltage output DAC with 1LSB INL/DNL  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
LM5030  100V Push-Pull Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
LMZ34002  4.5V to 40V, 2A Negative Output Power Module  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LMZ34202  4.5V to 42V, 2A Step-Down Power Module in QFN Package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
REF5050  3 µVpp/V Noise, 3 ppm/°C Drift Precision Series Voltage Reference  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TLV171  36V Low-Power RRO General-Purpose Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLV2171  36V, Low Power, RRO, General Purpose Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS7A49  Wide VIN, 150-mA, ultra-low-noise, high-PSRR low-dropout (LDO) linear regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CDCE937 Download Download
CSD17381F4 PicoStar (YJC)| 3 Download -
CSD19506KCS Download
DAC60004 Download
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LM5030 Download Download
Download Download
LMZ34002 Download Download
LMZ34202 Download -
REF5050 Download Download
Download Download
TLV171 Download Download
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TLV2171 Download
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TPS7A49 Download Download
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Technical Documents

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Application notes (1)
Title Type Size (KB) Date
PDF 1631 26 Feb 2018
User guides (1)
Title Type Size (KB) Date
PDF 7400 28 Jun 2017
Design files (6)
Title Type Size (KB) Date
ZIP 3231 28 Jun 2017
ZIP 6527 28 Jun 2017
PDF 3635 28 Jun 2017
PDF 659 28 Jun 2017
PDF 113 28 Jun 2017
PDF 922 28 Jun 2017
Related Tools & Software

Reference Designs  ( 2 )


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