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Parameters

Number of supplies monitored 1 Threshold voltage 1 (Typ) (V) Adjustable, 0.84, 1.12, 1.16, 1.4, 1.67, 1.77, 2.33, 2.79, 3.07, 4.65 Features Active-low enable, Manual reset Reset threshold accuracy (%) 2 Output driver type/reset output Active-low, Open-drain Time delay (ms) Programmable Rating Catalog Watchdog timer WDI (sec) None Operating temperature range (C) -40 to 125 open-in-new Find other Supervisor & reset ICs

Package | Pins | Size

SOT-23 (DBV) 6 5 mm² 2.9 x 1.6 WSON (DRV) 6 4 mm² 2 x 2 open-in-new Find other Supervisor & reset ICs

Features

  • Power-On Reset Generator with Adjustable Delay
    Time: 1.25 ms to 10 s
  • Very Low Quiescent Current: 2.4 µA Typical
  • High Threshold Accuracy: 0.5% Typ
  • Fixed Threshold Voltages for Standard Voltage
    Rails from 0.9 V to 5 V and Adjustable Voltage
    Down to 0.4 V Are Available
  • Manual Reset (MR) Input
  • Open-Drain RESET Output
  • Temperature Range: –40°C to 125°C
  • Small SOT-23 and 2-mm × 2-mm WSON
    Packages
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Description

The TPS3808 family of microprocessor supervisory circuits monitors system voltages from 0.4 V to 5 V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds.

The TPS3808 device uses a precision reference to achieve 0.5% threshold accuracy for VIT ≤ 3.3 V. The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25 ms and 10 s by connecting the CT pin to an external capacitor. The TPS3808 device has a very low typical quiescent current of 2.4 µA, so it is well-suited to battery-powered applications. It is available in the SOT-23 and 2-mm × 2-mm WSON packages, and is fully specified over a temperature range of –40°C to 125°C (TJ).

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Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
TPS3840 ACTIVE Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay Offers more fixed voltage threshold options, a wide 10-V input voltage, low IQ (350 nA) and 1% threshold accuracy
TPS3890 ACTIVE Low-quiescent current 1% accuracy supervisor with programmable delay Lower Iq at 2.1 µA and offers the same features as the TPS3808

Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TPS3808 Low-Quiescent-Current, Programmable-Delay Supervisory Circuit datasheet (Rev. K) Oct. 16, 2015
Application notes Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) Mar. 17, 2020
Selection guides Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) Feb. 28, 2020
White papers Voltage Supervisor and Reset ICs: Tips, Tricks and Basics Jun. 28, 2019
Application notes Voltage and Processor Monitoring Solutions in Factory Automation and Control App May 02, 2019
Application notes Latching a Voltage Supervisor (Reset IC) (Rev. A) Apr. 05, 2019
Application notes Comparing Voltage and Processor Monitoring Solutions Apr. 05, 2019
Application notes Mitigating the Voltage Glitch on the Output of a Voltage Supervisor (Reset IC) D Jun. 27, 2018
Selection guides Power Management Guide 2018 (Rev. R) Jun. 25, 2018
User guides Using the TMS320C6657 to Implement Efficient OPUS Codec Solution Design Guide Jun. 16, 2015
Technical articles Don’t underestimate the power of an LDO Oct. 19, 2013
Technical articles How to optimize your DSP power budget Oct. 03, 2013
Technical articles "X" Marks the spot - 7 Treasures in a pirate engineer's treasure chest Sep. 19, 2013
Technical articles Power Tips: How to be discrete Sep. 17, 2013
Application notes Setting the SVS Voltage Monitor Threshold May 23, 2012
User guides TUSB8040AEVM User's Guide May 17, 2012
Application notes Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep. 19, 2011
Application notes Sensitivity Analysis for Power Supply Design Sep. 06, 2011
User guides TUSB8040EVM User's Guide (Rev. A) Mar. 11, 2011
Application notes Power Two Xilinx(TM) LX240 Virtex-6(TM) Devices Apr. 20, 2010
User guides TPS3808G01EVM User's Guide Apr. 18, 2010
White papers Spartan 6 LX150T Modular Solution Oct. 14, 2009
User guides Virtex 6 LX130T Module design Aug. 27, 2009

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
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299
Description
The SN65DSI83Q1-EVM evaluation module (EVM) is a printed circuit board (PCB) that helps customers implement the SN65DSI83-Q1 device in system hardware.  This EVM includes on-board connectors for DSI input and LVDS output signals.  These connectors are for connecting (...)
Features
  • Plug and play design
  • Input options for DSI video signal (QSH-type connector and FX-type connector)
  • Output port options available for the LVDS output signals (QSH-type connector and I-PEX-type connector)
  • I2C interface to configure internal registers
  • LED backlight driver circuitry using TI's backlight (...)
EVALUATION BOARDS Download
document-generic User guide
299
Description
The SN65DSI85EVM evaluation module (EVM) is a printed circuit board (PCB) that helps customers implementthe SN65DSI85 device in system hardware. This EVM can be used as a hardware reference design for any implementation using the SN65DSI85 device. The SN65DSI85EVM includes (...)
Features
  • Plug and play design
  • Two input options for DSI video signal (QSH-type connector and FX-type connector)
  • Two output port options available for the LVDS output signals (QSH-type connector and I-PEX-type connector)
  • I2C interface to configure internal registers
  • LED backlight driver circuitry using TI's (...)
EVALUATION BOARDS Download
document-generic User guide
299
Description
The SN65DSI85Q1EVM is a PCB created to help customers implementing SN65DSI85Q1 in system hardware.  This EVM includes on-board connectors for DSI input and LVDS output signals.  These connectors are for connecting MIPI DPHY compliant DSI source and LVDS panels to the EVM.
Features
  • Plug and play design
  • Two input options for DSI video signal (QSH-type connector and FX-type connector)
  • Two output port options available for the LVDS output signals (QSH-type connector and I-PEX-type connector)
  • I2C interface to configure internal registers
  • Incorporates LED backlight driver circuitry (...)
EVALUATION BOARDS Download
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249
Description
The TDP158 EVM is a PCB created to help customers evaluate the TDP158 device for video applications.  This EVM can also be used as a hardware reference design for implementation of the TDP158 in the RSB package.  PCB design/layout files can be provided upon request to provide PCB design (...)
Features
  • DisplayPort connection for the source and HDMI connection for the sink
  • The EVM can be powered by a 5-V wall power adapter external power or though Micro USB cable
  • I2C communications for debug and control purposes
EVALUATION BOARDS Download
document-generic User guide
20
Description

The TPS3808G01DBVEVM is a fully assembled and tested circuit for evaluating the TPS3808G01 low quiescent current (IQ), programmable-delay supervisory circuit IC in the DBV or 6-pin SOT-23 package.

Features
  • Power-on reset (POR) generator with adjustable delay time: 1.25 ms to 10 s
  • Very-low quiescent current: 2.4 µA typical
  • High threshold accuracy: 0.5% typical
  • Fixed threshold voltages for standard voltage rails from 0.9 V to 5 V & adjustable voltage down to 0.4 V are available
  • Manual reset (MR) input
  • (...)
EVALUATION BOARDS Download
document-generic User guide
Description
What is BeagleBone® AI?

Built on the proven BeagleBoard.org® open source Linux approach, BeagleBone® AI fills the gap between small SBCs and more powerful industrial computers. Based on the Texas Instruments, Sitara™ AM5729 processor, developers have access to a highly integrated and (...)

DEVELOPMENT KITS Download
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Description

The EVMK2GX (also known as "K2G") 1GHz Evaluation Module (EVM) enables developers to immediately start evaluating the 66AK2Gx processor family, and to accelerate the development of audio, industrial motor control, smart grid protection and other high reliability, real-time compute intensive (...)

Features
  • 66AK2G12 C66x DSP+ARM A15 Processor at 1GHz
  • 2-GByte DDR3L with ECC
  • TPS65911A PMIC
  • Audio and serial expansion headers
  • Processor SDK Linux and TI-RTOS support
DEVELOPMENT KITS Download
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Description

The K2G 1GHz High Secure Evaluation Module (EVM) enables developers to start  evaluating and testing the programming of the  high secure developmental version of the  66AK2Gx processor, and to accelerate the next stage of secure boot product development of audio and industrial real (...)

Features
  • 66AK2G12 C66x DSP+ARM A15 Processor at 1GHz
  • 2-GByte DDR3L with ECC
  • TPS65911A PMIC
  • Audio and serial expansion headers
  • Processor SDK Linux and TI-RTOS support

Software development

CODE EXAMPLES & DEMOS Download
TIDCB93.ZIP (28 KB)
SUPPORT SOFTWARE Download
SPRCA41A.ZIP (6367 KB)

Design tools & simulation

SIMULATION MODELS Download
SBVM030.TSC (208 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBVM031.ZIP (41 KB) - TINA-TI Spice Model
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PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
ASSEMBLY DRAWINGS Download
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ASSEMBLY DRAWINGS Download
TIDRIZ3.ZIP (480 KB)
ASSEMBLY DRAWINGS Download
TIDRJ56.ZIP (299 KB)
BILL OF MATERIALS (BOM) Download
TIDRFB3.PDF (191 KB)
BILL OF MATERIALS (BOM) Download
TIDRIA4C.ZIP (3449 KB)
BILL OF MATERIALS (BOM) Download
TIDRIZ2.ZIP (211 KB)
BILL OF MATERIALS (BOM) Download
TIDRJ55.ZIP (228 KB)
CAD/CAE SYMBOLS Download
TIDRFB5.ZIP (1728 KB)
CAD/CAE SYMBOLS Download
TIDRIA7C.ZIP (13029 KB)
CAD/CAE SYMBOLS Download
TIDRIZ5.ZIP (2739 KB)
CAD/CAE SYMBOLS Download
TIDRJ58.ZIP (2739 KB)
GERBER FILES Download
TIDCAH0.ZIP (9013 KB)
GERBER FILES Download
TIDCBG8.ZIP (4663 KB)
GERBER FILES Download
TIDCBI6.ZIP (4663 KB)
PCB LAYOUTS Download
TIDRFB4.ZIP (4763 KB)
PCB LAYOUTS Download
TIDRIA6C.ZIP (30879 KB)
PCB LAYOUTS Download
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PCB LAYOUTS Download
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SCHEMATICS Download
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SCHEMATICS Download
SLVR306.PDF (92 KB)
SCHEMATICS Download
TIDRFB2.PDF (1717 KB)
SCHEMATICS Download
TIDRIA3C.ZIP (2065 KB)
SCHEMATICS Download
TIDRIZ1.ZIP (814 KB)
SCHEMATICS Download
TIDRJ54.ZIP (955 KB)

Reference designs

Many TI reference designs include the TPS3808 Use our reference design selection tool to review and identify designs that best match your application and parameters.

CAD/CAE symbols

Package Pins Download
SOT-23 (DBV) 6 View options
WSON (DRV) 6 View options

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