TPL5000 Timer Datasheet

TPL5000 Datasheet PDF, Equivalent


Part Number

TPL5000

Description

Nano-Power Programmable Timer

Manufacture

etcTI

Total Page 23 Pages
Datasheet
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TPL5000
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TPL5000
SNAS628B – JULY 2013 – REVISED DECEMBER 2014
TPL5000 Nano-Power Programmable Timer with Watchdog Functionality
1 Features
1 Supply Voltage from1.8 V to 5.0 V
• Current Consumption 30 nA (typical, at 2.5 V)
• Watchdog Functionality
• Reset Functionality
• Selectable Timer Intervals 1 to 64 s
2 Applications
• Battery-Powered Systems
• Energy-Harvesting Systems
• Remote Data-Logger
• Sensor Node
• Building Automation
• Consumer Electronic
• Low-Power Wireless
• Safety and Security Platforms
3 Description
The TPL5000 is a long-term timer IC optimized for
low-power applications. The TPL5000 can replace a
micro controller's (µC) internal timer, allowing the µC
to stay in low-power sleep mode instead of running a
timer, providing a total power consumption reduction
of 60 to 80%. The TPL5000 is designed for use in
interrupt-driven applications and provides selectable
timing from 1 second to 64 seconds. Some standards
(such as EN50271) require implementation of a
watchdog function for safety. The TPL5000 realizes
this watchdog function without consuming additional
power. The TPL5000 can also monitor a battery
management IC via a power-good digital input and
reset the microcontroller, if necessary. The device is
packaged in a 10-pin VSSOP package.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
TPL5000
VSSOP (10)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Application Schematic
VOUT VBAT_OK
VIN
POWER MANAGEMENT
GND
TPL5000
D0 PGOOD
D1 RSTn
D2 WAKE
VDD
TCAL
GND
DONE
Rp
100k
µC
VDD
RST
GPIO
GPIO
GPIO
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

TPL5000
TPL5000
SNAS628B – JULY 2013 – REVISED DECEMBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Application Schematic ........................ 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Ratings ........................... 4
7.4 Thermal Information ................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Timing Requirements ............................................... 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 8
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application ................................................. 12
10 Power Supply Recommendations ..................... 14
11 Layout................................................................... 14
11.1 Layout Guidelines ................................................. 14
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Trademarks ........................................................... 15
12.2 Electrostatic Discharge Caution ............................ 15
12.3 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
5 Revision History
Changes from Revision A (July 2013) to Revision B
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 3
2 Submit Documentation Feedback
Product Folder Links: TPL5000
Copyright © 2013–2014, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPL5000 SNAS628B – JULY 20 13 – REVISED DECEMBER 2014 TPL5000 Na no-Power Programmable Timer with Watchd og Functionality 1 Features •1 Suppl y Voltage from1.8 V to 5.0 V • Curren t Consumption 30 nA (typical, at 2.5 V) • Watchdog Functionality • Reset F unctionality • Selectable Timer Inter vals 1 to 64 s 2 Applications • Batte ry-Powered Systems • Energy-Harvestin g Systems • Remote Data-Logger • Se nsor Node • Building Automation • C onsumer Electronic • Low-Power Wirele ss • Safety and Security Platforms 3 Description The TPL5000 is a long-term timer IC optimized for low-power appli cations. The TPL5000 can replace a micr o controller's (µC) internal timer, al lowing the µC to stay in low-power sle ep mode instead of running a timer, pro viding a total power consumption reduct ion of 60 to 80%. The TPL5000 is design ed for use in interrupt-driven applications and provides selectable timing from 1 second to 64 .
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