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

TPS3307-EP

ACTIVO

Supervisor de tensión de procesador triple

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TPS3307-EP

ACTIVO
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Detalles del producto

Number of supplies monitored 3 Threshold voltage 1 (typ) (V) 1.25, 1.68, 2.93 Features Manual reset capable Reset threshold accuracy (%) 3.2 Iq (typ) (mA) 0.04 Output driver type/reset output Active-high, Active-low, Push-Pull Time delay (ms) 200 Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Rating HiRel Enhanced Product Watchdog timer WDI (s) None Operating temperature range (°C) -55 to 125
Number of supplies monitored 3 Threshold voltage 1 (typ) (V) 1.25, 1.68, 2.93 Features Manual reset capable Reset threshold accuracy (%) 3.2 Iq (typ) (mA) 0.04 Output driver type/reset output Active-high, Active-low, Push-Pull Time delay (ms) 200 Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Rating HiRel Enhanced Product Watchdog timer WDI (s) None Operating temperature range (°C) -55 to 125
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Controlled Baseline
    • One Assembly/Test Site, One Fabrication Site
  • Extended Temperature Performance of -55°C to 125°C
  • Enhanced Diminishing Manufacturing Sources (DMS) Support
  • Enhanced Product Change Notification
  • Qualification Pedigree
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Triple Supervisory Circuits for DSP and Processor-Based Systems
  • Power-On Reset Generator With Fixed Delay Time of 200 ms, No External Capacitor Needed
  • Temperature-Compensated Voltage Reference
  • Maximum Supply Current of 40 µA
  • Supply Voltage Range . . . 2 V to 6 V
  • Defined RESET\ Output from VDD ≥ 1.1 V
  • SO-8 and MSOP-8 Packages
  • APPLICATIONS
    • Military applications using DSPs, Microcontrollers or Microprocessors
    • Industrial Equipment
    • Programmable Controls
    • Military Systems

Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.
  • Controlled Baseline
    • One Assembly/Test Site, One Fabrication Site
  • Extended Temperature Performance of -55°C to 125°C
  • Enhanced Diminishing Manufacturing Sources (DMS) Support
  • Enhanced Product Change Notification
  • Qualification Pedigree
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Triple Supervisory Circuits for DSP and Processor-Based Systems
  • Power-On Reset Generator With Fixed Delay Time of 200 ms, No External Capacitor Needed
  • Temperature-Compensated Voltage Reference
  • Maximum Supply Current of 40 µA
  • Supply Voltage Range . . . 2 V to 6 V
  • Defined RESET\ Output from VDD ≥ 1.1 V
  • SO-8 and MSOP-8 Packages
  • APPLICATIONS
    • Military applications using DSPs, Microcontrollers or Microprocessors
    • Industrial Equipment
    • Programmable Controls
    • Military Systems

Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.

The TPS3307-xx family is a series of micropower supply voltage supervisors designed for circuit initialization primarily in DSP and processor-based systems which require more than one supply voltage.

The TPS3307-18 and TPS3307-33 are designed for monitoring three independent supply voltages: 3.3 V/1.8 V/adj and 5V/3.3V/adj, respectively. The adjustable SENSE input allows the monitoring of any supply voltage >1.25 V.

During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors the SENSEn inputs and keeps RESET\ active as long as SENSEn remain below the threshold voltage VIT+.

An internal timer delays the return of the RESET\ output to the inactive state (high) to ensure proper system reset. The delay time, tdtyp = 200 ms, starts after all SENSEn inputs have risen above the threshold voltage VIT+. When the voltage at any SENSE input drops below the threshold voltage VIT–, the RESET\output becomes active (low) again.

The TPS3307-xx family of devices incorporates a manual reset input, MR\. A low level at MR\ causes RESET\ to become active. In addition to the active-low RESET\ output, the TPS3307-xx family includes an active-high RESET output.

The devices are available in either 8-pin MSOP or a standard 8-pin SO packages and are characterized for operation over a temperature range of -55°C to 125°C.

The TPS3307-xx family is a series of micropower supply voltage supervisors designed for circuit initialization primarily in DSP and processor-based systems which require more than one supply voltage.

The TPS3307-18 and TPS3307-33 are designed for monitoring three independent supply voltages: 3.3 V/1.8 V/adj and 5V/3.3V/adj, respectively. The adjustable SENSE input allows the monitoring of any supply voltage >1.25 V.

During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors the SENSEn inputs and keeps RESET\ active as long as SENSEn remain below the threshold voltage VIT+.

An internal timer delays the return of the RESET\ output to the inactive state (high) to ensure proper system reset. The delay time, tdtyp = 200 ms, starts after all SENSEn inputs have risen above the threshold voltage VIT+. When the voltage at any SENSE input drops below the threshold voltage VIT–, the RESET\output becomes active (low) again.

The TPS3307-xx family of devices incorporates a manual reset input, MR\. A low level at MR\ causes RESET\ to become active. In addition to the active-low RESET\ output, the TPS3307-xx family includes an active-high RESET output.

The devices are available in either 8-pin MSOP or a standard 8-pin SO packages and are characterized for operation over a temperature range of -55°C to 125°C.
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Documentación técnica

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* Data sheet Triple Processor Supervisors datasheet (Rev. A) 17 ago 2005
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 jun 2019

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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