TPL5010 Timer Datasheet

TPL5010 Datasheet PDF, Equivalent


Part Number

TPL5010

Description

Nano-Power System Timer

Manufacture

etcTI

Total Page 27 Pages
Datasheet
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TPL5010
SNAS651A – JANUARY 2015 – REVISED SEPTEMBER 2018
TPL5010 Nano-Power System Timer With Watchdog Function
1 Features
1 Supply Voltage From 1.8 V to 5.5 V
• Current Consumption at 2.5 V and 35 nA (Typical)
• Selectable Time Intervals: 100 ms to 7200 s
• Timer Accuracy: 1% (Typical)
• Resistor Selectable Time Interval
• Watchdog Functionality
• Manual Reset
2 Applications
• Battery-Powered Systems
• Internet of Things (IoT)
• Intruder Detection
• Tamper Detection
• Home Automation Sensors
• Thermostats
• Consumer Electronics
• Remote Sensors
• White Goods
3 Description
The TPL5010 Nano Timer is an ultra-low power timer
with a watchdog feature designed for system wake up
in duty-cycled, battery-powered applications such as
those in IoT. Many of these applications require the
use of a μC, so it is desirable to keep the μC in a low
power mode to maximize current savings, waking up
only during certain time intervals to collect data or
service an interrupt. Although the internal timer of the
μC can be used for system wake-up, it can single-
handedly consume microamps of total system
current.
Consuming only 35 nA, the TPL5010 can replace the
functionality of the integrated μC timer. This allows
the μC to be placed in a much lower power mode,
with the internal timer off, returning only to active
mode upon an interrupt by the TPL5010. By offering
power savings of almost two orders of magnitude, the
TPL5010 enables the use of significantly smaller
batteries for energy harvesting or wireless sensor
applications. The TPL5010 provides selectable timing
intervals from 100 ms to 7200 s and is designed for
interrupt-driven applications. Some standards (such
as EN50271) require implementation of a watchdog
for safety and the TPL5010 realizes this watchdog
function at almost no additional power consumption.
The TPL5010 is available in a 6-pin SOT23 package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPL5010
SOT23 (6)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Application Schematic
Battery
VOUT
VIN
POWER MANAGEMENT
GND
REXT
TPL5010
VDD
GND
DELAY/
M_RST
RSTn
WAKE
DONE
µC
Rp
VDD
RSTn
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.

TPL5010
TPL5010
SNAS651A – JANUARY 2015 – REVISED SEPTEMBER 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Ratings ........................... 5
7.4 Thermal Information ................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Timing Requirements ............................................... 7
7.7 Typical Characteristics .............................................. 8
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagram ......................................... 9
8.3 Feature Description................................................... 9
8.4 Device Functional Modes........................................ 10
8.5 Programming .......................................................... 10
9 Application and Implementation ........................ 16
9.1 Application Information............................................ 16
9.2 Typical Application ................................................. 16
10 Power Supply Recommendations ..................... 18
11 Layout................................................................... 18
11.1 Layout Guidelines ................................................. 18
11.2 Layout Example .................................................... 18
12 Device and Documentation Support ................. 19
12.1 Receiving Notification of Documentation Updates 19
12.2 Community Resources.......................................... 19
12.3 Trademarks ........................................................... 19
12.4 Electrostatic Discharge Caution ............................ 19
12.5 Glossary ................................................................ 19
13 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
Changes from Original (January 2015) to Revision A
Page
• Added TPL5x1x Family of Nano Timers table ....................................................................................................................... 3
• Changed TADC and RD equations in the Quantization Error section ..................................................................................... 14
• Added Receiving Notification of Documentation Updates section ....................................................................................... 19
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Copyright © 2015–2018, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPL5010 SNAS651A – JANUARY 20 15 – REVISED SEPTEMBER 2018 TPL5010 N ano-Power System Timer With Watchdog Fu nction 1 Features •1 Supply Voltage From 1.8 V to 5.5 V • Current Consump tion at 2.5 V and 35 nA (Typical) • S electable Time Intervals: 100 ms to 720 0 s • Timer Accuracy: 1% (Typical) Resistor Selectable Time Interval • Watchdog Functionality • Manual Rese t 2 Applications • Battery-Powered Sy stems • Internet of Things (IoT) • Intruder Detection • Tamper Detection • Home Automation Sensors • Thermo stats • Consumer Electronics • Remo te Sensors • White Goods 3 Descripti on The TPL5010 Nano Timer is an ultra-l ow power timer with a watchdog feature designed for system wake up in duty-cyc led, battery-powered applications such as those in IoT. Many of these applicat ions require the use of a μC, so it is desirable to keep the μC in a low power mode to maximize current savings, waking up only during cer.
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