18080607. VOLTAGE BOOSTER INCLUDING CIRCUITRY TO REDUCE OVERVOLTAGE STRESS ON DISCHARGE PROTECTION DEVICE simplified abstract (QUALCOMM Incorporated)

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VOLTAGE BOOSTER INCLUDING CIRCUITRY TO REDUCE OVERVOLTAGE STRESS ON DISCHARGE PROTECTION DEVICE

Organization Name

QUALCOMM Incorporated

Inventor(s)

Xiaopeng Zhong of San Diego CA (US)

Dinesh Jagannath Alladi of San Diego CA (US)

VOLTAGE BOOSTER INCLUDING CIRCUITRY TO REDUCE OVERVOLTAGE STRESS ON DISCHARGE PROTECTION DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18080607 titled 'VOLTAGE BOOSTER INCLUDING CIRCUITRY TO REDUCE OVERVOLTAGE STRESS ON DISCHARGE PROTECTION DEVICE

The patent application describes an apparatus that includes a boost voltage generator, a field effect transistor (FET), a discharging circuit, and a gate voltage boost circuit.

  • The boost voltage generator generates a boost voltage at an output.
  • The first FET has a drain/source terminal coupled to the output of the boost voltage generator.
  • The discharging circuit is coupled to a source/drain terminal of the first FET and discharges the output of the boost voltage generator via the first FET in response to an asserted discharging signal.
  • The gate voltage boost circuit generates a gate voltage for the gate of the first FET and boosts the gate voltage in response to the asserted discharging signal.
  • Another implementation may include a current injection circuit that generates and injects a current into the discharging circuit in lieu of or in addition to the gate voltage boost circuit.

Potential Applications: - Power management systems - Voltage regulation circuits - Battery charging systems

Problems Solved: - Efficiently discharging the output of a boost voltage generator - Enhancing gate voltage for FET operation

Benefits: - Improved power efficiency - Enhanced voltage regulation - Increased reliability in power management systems

Commercial Applications: Title: "Advanced Power Management Systems for Enhanced Efficiency" This technology can be used in various commercial applications such as: - Mobile devices - Electric vehicles - Renewable energy systems

Questions about the technology: 1. How does the apparatus improve power efficiency in voltage regulation circuits? 2. What are the advantages of using a boost voltage generator in power management systems?


Original Abstract Submitted

An apparatus including: a boost voltage generator configured to generate a boost voltage at an output; a first field effect transistor (FET) including a drain/source terminal coupled to the output of the boost voltage generator; a discharging circuit coupled to a source/drain terminal of the first FET, wherein the discharging circuit is configured to discharge the output of the boost voltage generator via the first FET in response to an asserted discharging signal; and a gate voltage boost circuit configured to generate a gate voltage for a gate of the first FET, wherein the gate voltage boost circuit is configured to boost the gate voltage in response to the asserted discharging signal. Another implementation may include a current injection circuit configured to generate and inject a current into the discharging circuit in lieu of or in addition to the gate voltage boost circuit.