TPL5111 Timer Datasheet

TPL5111 Datasheet PDF, Equivalent


Part Number

TPL5111

Description

Nano-Power System Timer

Manufacture

etcTI

Total Page 26 Pages
Datasheet
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TPL5111
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TPL5111
SNAS659B – JUNE 2015 – REVISED SEPTEMBER 2018
TPL5111 Nano-Power System Timer for Power Gating
1 Features
1 Selectable Time Intervals: 100 ms to 7200 s
• Timer Accuracy: 1% (Typical)
• Current Consumption at 2.5 V and 35 nA (Typical)
• Resistor Selectable Time Interval
• Manual Power-On Input
• One-Shot Feature
• Supply Voltage Range: 1.8 V to 5.5 V
2 Applications
• Duty Cycle Control of Battery-Powered Systems
• Internet of Things (IoT)
• Intruder Detection
• Tamper Detection
• Home Automation Sensors
• Thermostats
• Consumer Electronics
• Remote Sensor
• White Goods
3 Description
The TPL5111 Nano Timer is a low-power system
timer designed for power gating in duty cycled or
battery-powered applications. Consuming only 35 nA,
the TPL5111 can be used to enable and disable the
power supply for a micro-controller or other system
device, drastically reducing the overall system stand-
by current during the sleep time. This power saving
enables the use of significantly smaller batteries for
energy harvesting or wireless sensor applications.
The TPL5111 provides selectable timing intervals
from 100 ms to 7200 s. In addition, the TPL5111 has
a unique one-shot feature where the timer will only
assert its enable pulse for one cycle. The TPL5111 is
available in a 6 -
pin SOT23 package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPL5111
SOT (6) DDC
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
+
Lithium
ion battery
-
TPL5111
VDD
EN/
ONE_SHOT
GND
DRVn
DELAY/
M_DRV
DONE
LDO
VIN VOUT
EN
GND
CC2531
RF
VDD
SCL
GPIO
SDA
GND
Rp
100k
Rp
100k
HDC1000
VDD
SCL
SDA
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.

TPL5111
TPL5111
SNAS659B – JUNE 2015 – REVISED SEPTEMBER 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Ratings ........................... 4
6.4 Thermal Information ................................................. 4
6.5 Electrical Characteristics .......................................... 5
6.6 Timing Requirements ............................................... 6
6.7 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 8
7.4 Device Functional Modes.......................................... 9
7.5 Programming .......................................................... 10
8 Application and Implementation ........................ 15
8.1 Application Information............................................ 15
8.2 Typical Application ................................................. 15
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Example .................................................... 17
11 Device and Documentation Support ................. 18
11.1 Receiving Notification of Documentation Updates 18
11.2 Community Resources.......................................... 18
11.3 Trademarks ........................................................... 18
11.4 Electrostatic Discharge Caution ............................ 18
11.5 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
Changes from Revision A (July 2015) to Revision B
Page
• Changed TADC and RD equations in the Quantization Error section ..................................................................................... 14
• Added Receiving Notification of Documentation Updates section ....................................................................................... 18
Changes from Original (June 2015) to Revision A
Page
• Added full data sheet. ............................................................................................................................................................ 1
2 Submit Documentation Feedback
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Copyright © 2015–2018, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPL5111 SNAS659B – JUNE 2015 – REVISED SEPTEMBER 2018 TPL5111 Nano -Power System Timer for Power Gating 1 Features •1 Selectable Time Interval s: 100 ms to 7200 s • Timer Accuracy: 1% (Typical) • Current Consumption a t 2.5 V and 35 nA (Typical) • Resisto r Selectable Time Interval • Manual P ower-On Input • One-Shot Feature • Supply Voltage Range: 1.8 V to 5.5 V 2 Applications • Duty Cycle Control of Battery-Powered Systems • Internet of Things (IoT) • Intruder Detection Tamper Detection • Home Automation Sensors • Thermostats • Consumer El ectronics • Remote Sensor • White G oods 3 Description The TPL5111 Nano Ti mer is a low-power system timer designe d for power gating in duty cycled or ba ttery-powered applications. Consuming o nly 35 nA, the TPL5111 can be used to e nable and disable the power supply for a micro-controller or other system device, drastically reducing the overall system standby current .
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