LTC2956
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LTC2956

Wake-Up Timer with Pushbutton Control

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LTspice LTC2956 - Power Monitor, Control, and Protection Download 3.8 KB
Part Models 16
1ku List Price Starting From $2.40
Features
  • 1.5V to 36V Supply Input Range
  • Adjustable Wake-Up Period: 250ms to 39 Days
  • Adjustable Maximum Awake Time
  • 0.8μA Quiescent Current
  • 0.3μA Shutdown Current
  • Pushbutton Input with Debouncing
  • Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1)
  • High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2)
  • ±25kV ESD HBM on PB Input
  • 12-Lead 3mm × 3mm QFN and MSOP Packages
Additional Details
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The LTC2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control. It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images. After completing the task, the LTC2956 turns the system off to conserve power.

The wake-up timer period can be adjusted from 250ms to 39 days using configuration resistors. The system awake time can be controlled by the input pulse at the SLEEP pin or adjusted by the capacitor at the ONMAX pin. The LTC2956 operates over a wide supply input range from 1.5V to 36V. The low 800nA quiescent current suits battery powered applications.

The pushbutton input allows the user to shutdown, turn on or reset the wake-up timer. With the timer in shutdown, the quiescent current drops to 300nA. The LTC2956 also provides three status outputs to indicate mode transitions and pushbutton events. Two versions are available for applications requiring either positive or negative enable polarities.

Applications

  • Heartbeat Timers
  • Periodic Wake-Up Control
  • Portable and Battery-Powered Equipment
  • Intervalometers
  • Data Acquisition
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Documentation View All Documentation
LTspice LTC2956 - Power Monitor, Control, and Protection Download 3.8 KB
Part Models 16
1ku List Price Starting From $2.40
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LTC2956

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UPDATED 08/03/2015
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LTC2956: Wake-Up Timer with Pushbutton Control Data Sheet

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UPDATED 04/07/2015
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LTC2956: プッシュボタン制御回路を内蔵した起動タイマ データシート

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User Guide

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Documentation

Product Selector Card 3

Configurable Wake-Up Timer with Pushbutton Control
Pushbutton Controllers
Voltage Monitors and Supervisors Product Highlights

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2017-09-18

LTC2956 Video Product Brief

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2956CMS-1#PBF 12-Lead MSOP external-link
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LTC2956CMS-1#TRPBF 12-Lead MSOP external-link
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LTC2956CMS-2#PBF 12-Lead MSOP external-link
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LTC2956CMS-2#TRPBF 12-Lead MSOP external-link
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LTC2956CUD-1#PBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956CUD-1#TRPBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956CUD-2#PBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956CUD-2#TRPBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956IMS-1#PBF 12-Lead MSOP external-link
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LTC2956IMS-1#TRPBF 12-Lead MSOP external-link
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LTC2956IMS-2#PBF 12-Lead MSOP external-link
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LTC2956IMS-2#TRPBF 12-Lead MSOP external-link
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LTC2956IUD-1#PBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956IUD-1#TRPBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956IUD-2#PBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC2956IUD-2#TRPBF 12-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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Epoxy Change from Henkel 8290 to 8290A for MSOP (3)

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Jun 5, 2024

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Epoxy Change from Henkel 8290 to 8290A for MSOP (3)

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LTC2956CMS-1#TRPBF

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LTC2956CMS-2#PBF

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pdf

PCN24_0004_Form

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xls

Material_Report

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pdf

Qualification Results Summary

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xlsm

Delta Qualification Matrix

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Feb 4, 2020

- 20_0129

arrow down

Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC2956CMS-1#PBF

PRODUCTION

LTC2956CMS-1#TRPBF

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LTC2956CMS-2#PBF

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LTC2956CMS-2#TRPBF

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LTC2956IMS-1#PBF

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Software & Part Ecosystem

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Evaluation Kits 2

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DC2254A-A

LTC2956-1 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin

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DC2254A-A

LTC2956-1 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin

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DC2254A-A
LTC2956-1 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin
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Product Detail

Demonstration circuits 2254A-A and 2254A-B feature the LTC2956-1 and LTC2956-2, respectively. The LTC2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control. It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images. After completing the task, the LTC2956 turns the system off to conserve power. The wake-up timer period can be adjusted from 250ms to 39 days.

Resources

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PDF

DC2254A - Demo Manual Download

269.00K

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ZIP

DC2254A - Design Files Download

891.00K

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PDF

DC2254A - Schematic Download

38.00K

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DC2254A-B

LTC2956-2 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin

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DC2254A-B

LTC2956-2 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin

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DC2254A-B
LTC2956-2 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin
Buy Now View Details

Product Detail

Demonstration circuits 2254A-A and 2254A-B feature the LTC2956-1 and LTC2956-2, respectively. The LTC2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control. It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images. After completing the task, the LTC2956 turns the system off to conserve power. The wake-up timer period can be adjusted from 250ms to 39 days.

Resources

pdf icon

PDF

DC2254A - Demo Manual Download

269.00K

pdf icon

ZIP

DC2254A - Design Files Download

891.00K

pdf icon

PDF

DC2254A - Schematic Download

38.00K

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Evaluation Kits2

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DC2254A-A

LTC2956-1 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin
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DC2254A-B

LTC2956-2 Demo Board | Wake-Up Timer with Pushbutton Control, EN Pin

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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LTC2956 - Power Monitor, Control, and Protection Download

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