Inicio Gestión de la energía Supervisor & reset ICs
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Gestión de la energía
Supervisor & reset ICs

TPS3110

ACTIVO

Supervisor de tensión con corriente de alimentación ultrabaja y temporizador de vigilancia

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TPS3110

ACTIVO
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Detalles del producto

Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 0.9, 1.2, 1.5, 3.3 Features Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 5 Iq (typ) (mA) 0.0012 Output driver type/reset output Active-low, Push-Pull Time delay (ms) 130 Supply voltage (min) (V) 0.9 Supply voltage (max) (V) 3.6 Rating Catalog Watchdog timer WDI (s) 1.1 Operating temperature range (°C) -40 to 85
Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 0.9, 1.2, 1.5, 3.3 Features Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 5 Iq (typ) (mA) 0.0012 Output driver type/reset output Active-low, Push-Pull Time delay (ms) 130 Supply voltage (min) (V) 0.9 Supply voltage (max) (V) 3.6 Rating Catalog Watchdog timer WDI (s) 1.1 Operating temperature range (°C) -40 to 85
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Precision Supply Voltage Supervision Range:
    0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V
  • High Trip-Point Accuracy: 0.75%
  • Supply Current of 1.2 µA (Typical)
  • RESET Defined With Input Voltages as Low as 0.4 V
  • Power-On Reset Generator With a Delay Time of 130 ms
  • Push/Pull or Open-Drain RESET Outputs
  • Package Temperature Range: –40°C to 125°C
  • Precision Supply Voltage Supervision Range:
    0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V
  • High Trip-Point Accuracy: 0.75%
  • Supply Current of 1.2 µA (Typical)
  • RESET Defined With Input Voltages as Low as 0.4 V
  • Power-On Reset Generator With a Delay Time of 130 ms
  • Push/Pull or Open-Drain RESET Outputs
  • Package Temperature Range: –40°C to 125°C

The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor-based systems.

During power-on, RESET is asserted low when the supply voltage (VDD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors VDD and keeps the RESET output low as long as VDD remains below the threshold voltage (VIT–). To ensure proper system reset, after VDD surpasses the threshold voltage, an internal timer delays the transition of the RESET signal from low to high for the specified time. When VDD drops below VIT–, the output transitions low again.

All the devices of this family have a fixed-sense threshold voltage (VIT–) set by an internal voltage divider.

The TPS3103 and TPS3106 devices have an active-low, open-drain RESET output and either an integrated power-fail input (PFI) or SENSE input with corresponding outputs for monitoring other voltages. The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages.

The product spectrum is designed for supply voltages of 0.9 V up to 3.6 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 125°C.

The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor-based systems.

During power-on, RESET is asserted low when the supply voltage (VDD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors VDD and keeps the RESET output low as long as VDD remains below the threshold voltage (VIT–). To ensure proper system reset, after VDD surpasses the threshold voltage, an internal timer delays the transition of the RESET signal from low to high for the specified time. When VDD drops below VIT–, the output transitions low again.

All the devices of this family have a fixed-sense threshold voltage (VIT–) set by an internal voltage divider.

The TPS3103 and TPS3106 devices have an active-low, open-drain RESET output and either an integrated power-fail input (PFI) or SENSE input with corresponding outputs for monitoring other voltages. The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages.

The product spectrum is designed for supply voltages of 0.9 V up to 3.6 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 125°C.
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Documentación técnica

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* Data sheet TPS31xx Ultralow Supply-Current Voltage Monitor With Optional Watchdog datasheet (Rev. G) PDF | HTML 28 sep 2016
Application note Voltage and Processor Monitoring Solutions in Factory Automation and Control App (Rev. A) 05 ago 2021
Selection guide Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 28 feb 2020
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 jun 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Technical article What is a watchdog timer and why is it important? PDF | HTML 11 ene 2017

Diseño y desarrollo

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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SOT-23 (DBV) 6 Ultra Librarian
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Pedidos y calidad

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