SENSE2

OUT1

VCC

GND

RST

VCC1

DSP

CPU

FPGA

TPS3779

GND

SENSE1

OUT2

INT

IN

V2

DRY PACKAGE

1.45-mm

1-mm SON

(TOP VIEW)

´

SENSE1

GND

SENSE2

VCC

OUT1

OUT2

1

2

3

6

5

4

TPS3779

TPS3780

www.ti.com

SBVS216B – SEPTEMBER 2012 – REVISED MAY 2013

Low-Power, Dual-Voltage Detector in Small µSON Package

Check for Samples: TPS3779, TPS3780

1

FEATURES

DESCRIPTION

The TPS3779 and TPS3780 are a family of two-

2

•

Very Small Package: 1.45-mm × 1-mm µSON

channel voltage detectors with low-power and high-

•

Low Quiescent Current: 1.8 µA (typ)

accuracy comparators, and are available in a very

•

High Threshold and Hysteresis Accuracy:

small µSON package. The SENSE1 and SENSE2

1.0%

inputs include a built-in hysteresis for filtering to reject

brief

glitches,

thereby

ensuring

stable

output

•

Adjustable Thresholds

operation without false triggering. This family offers

•

Different Hysteresis Options:

different factory-set hysteresis options of 0.5%, 1%,

–

0.5%, 1%, 5%, and 10%

5%, or 10%.

•

Temperature Range: –40°C to +125°C

The TPS3779 and TPS3780 have adjustable SENSE

•

Push-Pull (TPS3779) and Open-Drain

inputs that can be configured by an external resistor

divider. When the voltage at the SENSE1 or SENSE2

(TPS3780) Output Options

input goes below the falling threshold, OUT1 or OUT2

is

driven

low,

respectively.

When

SENSE1

or

APPLICATIONS

SENSE2 rises above the rising threshold, OUT1 or

•

DSPs, Microcontrollers, or Microprocessors

OUT2 goes high, respectively.

Applications

The devices have a very low quiescent current of

•

Portable and Battery-Powered Products

1.8 µA (typical) and provide a precise, space-

•

Cell Phones and PDAs

conscious solution for voltage detection suitable for

low-power

system-monitoring

and

portable

•

Notebook and Desktop Computers

applications. The TPS3779 and TPS3780 operate

•

Set-Top Boxes

from 1.5 V to 6.5 V, over the –40°C to +125°C

temperature range.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2012–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.