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TPS3424

VORSCHAU

Nano-Power-Drucktastencontroller mit programmierbarer Verzögerung

Produktdetails

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) Adjustable Features Latching, Manual reset capable, Push-button, Reset time delay Output driver type/reset output Active-high, Active-low, Open-drain, Push-Pull Supply voltage (min) (V) 1 Supply voltage (max) (V) 6 Rating Catalog Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) Adjustable Features Latching, Manual reset capable, Push-button, Reset time delay Output driver type/reset output Active-high, Active-low, Open-drain, Push-Pull Supply voltage (min) (V) 1 Supply voltage (max) (V) 6 Rating Catalog Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SOT-5X3 (DRL) 8 3.36 mm² 2.1 x 1.6
  • Operating voltage range: 1V to 6V
  • Nano supply current: 18nA (typical)
  • HBM ESD rating on push-button pin: ±8kV
  • Programmable short press and long press duration
    • TPS3423, TPS3424 fixed timing options:
      • Short press duration: 50msec to 13sec
      • Long press duration: 1sec to 30sec
      • Timer accuracy (maximum): ±10 %
    • TPS3424: user-programmable option (50msec to 50sec) through external capacitor
  • Output configurations:
    • RESET configurations:
      • Push-pull / open-drain, active high / low
      • Latched / non-latched
      • 100msec to 1sec pulse option for non-latched version
    • INT configurations:
      • open drain, active low
      • non-latched (100msec to 1sec pulse duration)
  • Kill feature: enables host to control the RESET output
  • Available in pin compatible 8 pin and 6 pin DRL package
  • Operating voltage range: 1V to 6V
  • Nano supply current: 18nA (typical)
  • HBM ESD rating on push-button pin: ±8kV
  • Programmable short press and long press duration
    • TPS3423, TPS3424 fixed timing options:
      • Short press duration: 50msec to 13sec
      • Long press duration: 1sec to 30sec
      • Timer accuracy (maximum): ±10 %
    • TPS3424: user-programmable option (50msec to 50sec) through external capacitor
  • Output configurations:
    • RESET configurations:
      • Push-pull / open-drain, active high / low
      • Latched / non-latched
      • 100msec to 1sec pulse option for non-latched version
    • INT configurations:
      • open drain, active low
      • non-latched (100msec to 1sec pulse duration)
  • Kill feature: enables host to control the RESET output
  • Available in pin compatible 8 pin and 6 pin DRL package

TPS3423 and TPS3424 are push-button controllers which offer wide range of independent detection of short press and long press functionality. These devices offer up to two outputs per push-button (RESET and INT), which can be used for various use cases including enabling the voltage regulator or circuit breakers, generating a monoshot for given press duration and sending an interrupt to micro controller. The device generates an interrupt pulse both for short press and long press notifying the micro controller. RESET output changes the state based on the device configuration.

The extreme low power consumption 18nA helps to improve product shelf life for battery powered devices. The device keeps the power tree disabled until required button press is detected. This feature is known as battery freshness seal.

TPS3423/4 are offered in fixed timing options for short and long press durations. To provide flexibility to the designer, TPS3424 also offers user-programmable short and long press durations through an external capacitor. Kill pin in TPS3424 enables feedback from the microcontroller to asynchronously de-assert RESET.

TPS3423 and TPS3424 are push-button controllers which offer wide range of independent detection of short press and long press functionality. These devices offer up to two outputs per push-button (RESET and INT), which can be used for various use cases including enabling the voltage regulator or circuit breakers, generating a monoshot for given press duration and sending an interrupt to micro controller. The device generates an interrupt pulse both for short press and long press notifying the micro controller. RESET output changes the state based on the device configuration.

The extreme low power consumption 18nA helps to improve product shelf life for battery powered devices. The device keeps the power tree disabled until required button press is detected. This feature is known as battery freshness seal.

TPS3423/4 are offered in fixed timing options for short and long press durations. To provide flexibility to the designer, TPS3424 also offers user-programmable short and long press durations through an external capacitor. Kill pin in TPS3424 enables feedback from the microcontroller to asynchronously de-assert RESET.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS3423, TPS3424, Nano-Power, Push-Button Controllers With Configurable Delay to Enable Battery Freshness Seal datasheet (Rev. A) PDF | HTML 12 Dez 2024
EVM User's guide TPS3424 Evaluation Module User's Guide PDF | HTML 08 Okt 2024

Design und Entwicklung

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