DRV2700RGPT Part Information

Details for DRV2700RGPT by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators

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Part Description

The DRV2700 device is a single-chip piezo driver with an integrated 105-V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both highvoltage and low-voltage piezoelectric loads. The input signal can be either differential or single-ended and AC or DC coupled. The DRV2700 device supports four GPIO-controlled gains: 28.8 dB, 34.8 dB, 38.4 dB, and 40.7 dB. The boost voltage is set using two external resistors. The boost current-limit is programmable through the R(REXT) resistor. The boost converter architecture does not allow the demand on the supply current to exceed the limit set by the R(REXT) resistor which allows the user to optimize the DRV2700 circuit for a given inductor based on the desired performance requirements. Additionally, this boost converter is based on a hysteretic architecture to minimize switching losses and therefore increase efficiency. A typical startup time of 1.5 ms makes the DRV2700 device an ideal piezo driver for coming out of sleep quickly. Thermal overload protection prevents the device from damage when overdriven.

Part Downloads

Part Features

  • 0 to 1-kV Piezo Driver in Flyback Configuration u2013 Low-Voltage Control u2013 AC and DC Output Control
  • 1.8-V Compatible Digital Pins
  • 100-V Boost or 1-kV Flyback Configuration
  • 4-mm u00d7 4-mm u00d7 0.9-mm VQFN package
  • Fast Startup Time of 1.5 ms
  • Integrated Boost or Flyback Converter u2013 Adjustable Current-Limit u2013 Integrated Power FET and Diode
  • Thermal Protection
  • Wide Supply-Voltage Range of 3 to 5.5 V
  • u00b1100-V Piezo Driver in Boost + Amplifier Configuration u2013 4 GPIO-Adjustable Gains u2013 Differential or Single-Ended Output u2013 Low-Voltage Control u2013 AC and DC Output Control

Part Specifications

No. of Amplifiers 1 Amplifier, 1Amplifiers
Bandwidth 550kHz
Slew Rate 600V/ms
Supply Voltage Range 3V to 5.5V
Amplifier Case Style VQFN
No. of Pins 20Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 4 - 72 hours
SVHC No SVHC (27-Jun-2018)
Op Amp Type General Purpose
Output Type Fixed
RoHS Compliant

Alternative Part Descriptions

  • OP-AMP W/ PIEZO DRIVER, 550KHZ, VQFN-20; No. of Amplifiers:1 Amplifier; Bandwidth:550kHz; Slew Rate:600V/ms; Supply Voltage Range:3V to 5.5V; Amplifier Case Style:VQFN; No. of Pins:20Pins; Operating Temperature Min:-40°C; Operating RoHS Compliant: Yes | Newark Electronics
  • Industrial piezo driver with integrated 105-V boost converter in QFN package | Texas Instruments

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