High Voltage, Cost Effective Piezoelectric Sounder Driver Reference Design
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Key Document


Piezoelectric sounder are widely used in toys, timers, alarm and other electronic devices. Simple, cost-effective driver for the sounder is importance for these application fields. The PMP15034 introduces two drivers circuit based on the high voltage boost converter TLV61046A. The input voltage ranges from 1.8 V to 5.5 V. One driver circuit provides 0-V to 28-V rectangular waveform. The other circuit provides ±15V rectangular waveform. Both circuits are measured with evaluation board to validate the performance.

  • Wide input voltage range from 1.8 V to 5.5V
  • Up to 28-V output voltage
  • Small solution size
  • Small shutdown current

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Design Files

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(Output Voltage 1)
Vin (Min) (V)1.8
Vin (Max) (V)5.5
Vout (Nom) (V)28
Iout (Max) (A).05
Output Power (W)1.4
Input TypeAC
TopologyBoost- Synchronous

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TLV61046A  28-V Output Voltage Boost Converter with Power Diode and Isolation Switch  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TLV61046A Download -

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 401 26 Jul 2017
Design files (6)
Title Type Size (KB) Date
ZIP 103 26 Jul 2017
ZIP 295 26 Jul 2017
PDF 239 26 Jul 2017
PDF 69 26 Jul 2017
PDF 28 26 Jul 2017
PDF 91 26 Jul 2017

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