VDD

TPL5111

GND

DELAY/

M_DRV

EN/

ONE_SHOT

DRVn

DONE

VDD

CC2531

GPIO

RF

GND

VDD

HDC1000

SCL

SDA

GND

SCL

SDA

LDO

EN

VOUT

VIN

Rp

100k

Rp

100k

Lithium

ion battery

-

+

GND

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TPL5111

SNAS659A – JUNE 2015 – REVISED JULY 2015

TPL5111 Nano-Power System Timer for Power Gating

1 Features

3 Description

The TPL5111 Nano Timer is a low power system

1

•

Selectable Time Intervals: 100 ms to 7200 s

timer, ideal for power gating in duty cycled or battery

•

Timer Accuracy: 1% (typical)

powered applications. Consuming only 35 nA, the

•

Current Consumption at 2.5 V: 35 nA (typical)

TPL5111 can be used to enable and disable the

power supply for a micro-controller or other system

•

Resistor Selectable Time Interval

device, drastically reducing the overall system stand-

•

Manual Power-On Input

by current during the sleep time. This power saving

•

One-Shot Feature

enables the use of significantly smaller batteries and

makes the TPL5111 well suited for energy harvesting

•

Supply Voltage Range: 1.8 V to 5.5 V

or

wireless

sensor

applications.

The

TPL5111

provides selectable timing intervals from 100 ms to

2 Applications

7200 s. In addition, the TPL5111 has a unique One-

•

Duty Cycle Control of Battery-Powered Systems

shot feature where the timer will only assert its enable

•

Internet of Things (IoT)

pulse for one cycle. The TPL5111 is available in a 6 -

pin SOT23 package.

•

Intruder Detection

•

Tamper Detection

Device Information(1)

•

Home Automation Sensors

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Thermostats

TPL5111

SOT (6) DDC

3.00 mm x 3.00 mm

•

Consumer Electronics

(1) For all available packages, see the orderable addendum at

•

Remote Sensor

the end of the data sheet.

•

White Goods

Simplified Application Schematic

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.