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TPS3606-33 Datasheet Battery-Backup Supervisor

Manufacturer: Texas Instruments

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General Description

The TPS3606-33 supervisory circuit monitors and controls the processor activity.

In case of powerfail or brownout conditions, the backup-battery switchover function of the TPS3606-33 allows a low-power processor and its peripherals to run from the installed backup battery without asserting a reset beforehand.

SLVS335C − DECEMBER 2000 − REVISED JANUARY 2007 typical applications D Fax Machines D Set-Top Boxes D Advanced Voice Mail Systems D Portable Battery Powered Equipment D Computer Equipment D Advanced Modems D Automotive Systems D Portable Long-Time Monitoring Equipment D Point-of-Sale Equipment MSOP (DGS) Package (TOP VIEW) VOUT VDD GND MSWITCH PFI VBAT RESET WDI MR PFO ACTUAL SIZE 3,05 mm x 4,98 mm typical operating circuit Power Supply 0.1 µF External Source Backup Rx VDD VBAT TPS3606 Battery PFI Ry RESET WDI PFO uC RESET I/O I/O Manual Reset MR MSWITCH VOUT GND Switchover Capacitor 0.1 µF VCC GND Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Overview

TPS3606Ć33 BATTERYĆBACKUP SUPERVISOR FOR LOWĆPOWER PROCESSORS.

Key Features

  • D Supply Current of 40 µA (Max) D Precision 3.3-V Supply Voltage Monitor Other Voltage Options on Request D Watchdog Timer With 800-ms Time-Out D Backup-Battery Voltage Can Exceed VDD D Power-On Reset Generator With Fixed 100-ms Reset Delay Time D Voltage Monitor for Power-Fail or Low-Battery Monitoring D Manual Switchover to Battery-Backup Mode D Manual Reset D Battery Freshness Seal D 10-Pin MSOP Package D Temperature Range.
  • 40°C to 85°C.

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