Voltage Detectors. TPS3803G15-Q1 Datasheet

TPS3803G15-Q1 Datasheet PDF, Equivalent


Part Number

TPS3803G15-Q1

Description

Voltage Detectors

Manufacture

etcTI

Total Page 25 Pages
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TPS3803G15-Q1 Datasheet
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TPS3803-01-Q1
TPS3803G15-Q1, TPS3805H33-Q1
SGLS228C – DECEMBER 2003 – REVISED SEPTEMBER 2015
TPS380x-Q1 Voltage Detectors
1 Features
1 Qualified for Automotive Applications
• Single Voltage Detector (TPS3803): Adjustable
and 1.5 V
• Dual Voltage Detector (TPS3805): Adjustable and
3.3 V
• High ±1.5% Threshold Voltage Accuracy
• Supply Current: 3 μA Typical at VDD = 3.3 V
• Push/Pull Reset Output (TPS3805),
Open-Drain Reset Output (TPS3803)
• Temperature Range: –40°C to 125°C
• 5-Pin SC-70 Package
2 Applications
• Applications Using DSPs, Microcontrollers, or
Microprocessors
• Advanced Driver Assistance Systems
• Automotive Infotainment
• Automotive Cluster
3 Description
The TPS3803-Q1 and TPS3805-Q1 families of
supervisory circuits provide circuit initialization and
timing supervision, primarily for DSPs and processor-
based systems.
The TPS3803G15-Q1 device has a fixed-sense
threshold voltage VIT set by an internal voltage
divider, whereas the TPS3803-01-Q1 has an
adjustable SENSE input that can be configured by
two external resistors. In addition to the fixed sense
threshold monitored at VDD, the TPS3805-Q1 devices
provide a second adjustable SENSE input. RESET is
asserted in case either of the two voltages drops
below VIT.
During power on, RESET is asserted when supply
voltage VDD becomes higher than 0.8 V. Thereafter,
the supervisory circuit monitors VDD (and/or SENSE)
and keeps RESET active as long as VDD or SENSE
remains below the threshold voltage VIT. As soon as
VDD (SENSE) rises above the threshold voltage VIT,
RESET is deasserted again. The product spectrum is
designed for 1.5-V, 3.3-V, and adjustable supply
voltages.
The devices are available in a 5-pin SC-70 package.
The TPS3803-Q1 and TPS3805-Q1 devices are
characterized for operation over a temperature range
of –40°C to 125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS3803-01-Q1
TPS3803G15-Q1 SC-70 (5)
2.00 mm × 1.25 mm
TPS3805H33-Q1
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1.6 V 3.3 V
Typical Application Schematic
R1
VDD RESET
TPS3805H33-Q1
SENSE
GND
R2
DVDD
CVDD
RESET
Processor
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.

TPS3803G15-Q1 Datasheet
TPS3803-01-Q1
TPS3803G15-Q1, TPS3805H33-Q1
SGLS228C – DECEMBER 2003 – REVISED SEPTEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings ............................................................ 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Timing Requirements ................................................ 5
7.7 Switching Characteristics .......................................... 5
7.8 Dissipation Ratings ................................................... 5
7.9 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagrams ....................................... 9
8.3 Feature Description................................................... 9
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Applications ............................................... 12
10 Power Supply Recommendations ..................... 14
11 Layout................................................................... 15
11.1 Layout Guidelines ................................................. 15
11.2 Layout Examples................................................... 15
12 Device and Documentation Support ................. 17
12.1 Device Support .................................................... 17
12.2 Related Links ........................................................ 17
12.3 Community Resources.......................................... 17
12.4 Trademarks ........................................................... 17
12.5 Electrostatic Discharge Caution ............................ 17
12.6 Glossary ................................................................ 17
13 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (January 2008) to Revision C
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ............................... 1
Changes from Revision A (June 2007) to Revision B
Page
• Updated Features section ..................................................................................................................................................... 1
Changes from Original (December 2003) to Revision A
Page
• Updated front page. ................................................................................................................................................................ 1
• Changed Functional Block Diagram ...................................................................................................................................... 9
2 Submit Documentation Feedback
Copyright © 2003–2015, Texas Instruments Incorporated
Product Folder Links: TPS3803-01-Q1 TPS3803G15-Q1 TPS3805H33-Q1


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3803-01-Q1 TPS3803G15-Q1, TPS3805H33-Q1 SGLS228C – DECEMBER 20 03 – REVISED SEPTEMBER 2015 TPS380x-Q 1 Voltage Detectors 1 Features •1 Qu alified for Automotive Applications • Single Voltage Detector (TPS3803): Adj ustable and 1.5 V • Dual Voltage Dete ctor (TPS3805): Adjustable and 3.3 V High ±1.5% Threshold Voltage Accurac y • Supply Current: 3 μA Typical at VDD = 3.3 V • Push/Pull Reset Output (TPS3805), Open-Drain Reset Output (TPS 3803) • Temperature Range: –40°C t o 125°C • 5-Pin SC-70 Package 2 Appl ications • Applications Using DSPs, M icrocontrollers, or Microprocessors • Advanced Driver Assistance Systems • Automotive Infotainment • Automotive Cluster 3 Description The TPS3803-Q1 a nd TPS3805-Q1 families of supervisory c ircuits provide circuit initialization and timing supervision, primarily for D SPs and processorbased systems. The TPS3803G15-Q1 device has a fixed-sense threshold voltage VIT.
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