TPS3779 Datasheet, PDF (1/17 Pages) Texas Instruments – Low-Power, Dual-Voltage Detector in Small SON Package

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
FEATURES
1
•2 Very Small Package: 1.45-mm × 1-mm µSON
• Low Quiescent Current: 1.8 µA (typ)
• High Threshold and Hysteresis Accuracy:
1.0%
• Adjustable Thresholds
• Different Hysteresis Options:
– 0.5%, 1%, 5%, and 10%
• Temperature Range: –40°C to +125°C
• Push-Pull (TPS3779) and Open-Drain
(TPS3780) Output Options
APPLICATIONS
• DSPs, Microcontrollers, or Microprocessors
Applications
• Portable and Battery-Powered Products
• Cell Phones and PDAs
• Notebook and Desktop Computers
• Set-Top Boxes
DESCRIPTION
The TPS3779 and TPS3780 are a family of two-
channel voltage detectors with low-power and high-
accuracy comparators, and are available in a very
small µSON package. The SENSE1 and SENSE2
inputs include a built-in hysteresis for filtering to reject
brief glitches, thereby ensuring stable output
operation without false triggering. This family offers
different factory-set hysteresis options of 0.5%, 1%,
5%, or 10%.
The TPS3779 and TPS3780 have adjustable SENSE
inputs that can be configured by an external resistor
divider. When the voltage at the SENSE1 or SENSE2
input goes below the falling threshold, OUT1 or OUT2
is driven low, respectively. When SENSE1 or
SENSE2 rises above the rising threshold, OUT1 or
OUT2 goes high, respectively.
The devices have a very low quiescent current of
1.8 µA (typical) and provide a precise, space-
conscious solution for voltage detection suitable for
low-power system-monitoring and portable
applications. The TPS3779 and TPS3780 operate
from 1.5 V to 6.5 V, over the –40°C to +125°C
temperature range.
IN
DRY PACKAGE
1.45-mm ´ 1-mm SON
(TOP VIEW)
SENSE1 1
6 VCC
GND 2
5 OUT1
V2
SENSE2 3
4 OUT2
VCC
SENSE1
OUT1
TPS3779
SENSE2
OUT2
GND
VCC1
RST
INT
DSP
CPU
FPGA
GND
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012–2013, Texas Instruments Incorporated