D0

D1

TPL5000

D2

VDD

PGOOD

RSTn

WAKE

TCAL

GND

DONE

VIN

POWER MANAGEMENT

VOUT VBAT_OK

GND

Rp

100k

RST

µC

GPIO

GPIO

VDD

GPIO

GND

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TPL5000

SNAS628B – JULY 2013 – REVISED DECEMBER 2014

TPL5000 Nano-Power Programmable Timer with Watchdog Functionality

1 Features

3 Description

The TPL5000 is a long-term timer IC optimized for

1

•

Supply Voltage from1.8 V to 5.0 V

low-power applications. The TPL5000 can replace a

•

Current Consumption 30 nA (typical, at 2.5 V)

micro controller's (µC) internal timer, allowing the µC

•

Watchdog Functionality

to stay in low-power sleep mode instead of running a

timer, providing a total power consumption reduction

•

Reset Functionality

of 60 to 80%. The TPL5000 is designed for use in

•

Selectable Timer Intervals 1 to 64 s

interrupt-driven applications and provides selectable

timing from 1 second to 64 seconds. Some standards

2 Applications

(such as EN50271) require implementation of a

watchdog function for safety. The TPL5000 realizes

•

Battery-Powered Systems

this watchdog function without consuming additional

•

Energy-Harvesting Systems

power. The TPL5000 can also monitor a battery

•

Remote Data-Logger

management IC via a power-good digital input and

•

Sensor Node

reset the microcontroller, if necessary. The device is

packaged in a 10-pin VSSOP package.

•

Building Automation

•

Consumer Electronic

Device Information(1)

•

Low-Power Wireless

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Safety and Security Platforms

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

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.