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Product details

Parameters

Number of supplies monitored 1 Threshold voltage 1 (Typ) (V) Adjustable Features Active-high enable, Manual reset Reset threshold accuracy (%) 1 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

USON (DRY) 6 1 mm² 1.5 x 1 open-in-new Find other Supervisor & reset ICs

Features

  • Very Small USON (1.45 mm × 1.00 mm) Package
  • Adjustable Threshold Down to 500 mV
  • Threshold Accuracy: 1% Over Temperature
  • Capacitor-Adjustable Delay Time
  • Low Quiescent Current: 6 µA (Typical)
  • External Enable Input
  • Open-Drain (Rated at 18 V) and Push-Pull Output
    Options
  • Temperature Range: –40°C to 125°C
  • Pin-for-Pin Compatible With MAX6895/6/7/8
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Description

The TPS3895, TPS3896, TPS3897, and TPS3898 devices (TPS389x) are a family of very small supervisory circuits that monitor voltages greater than 500 mV with a 0.25% (typical) threshold accuracy and offer adjustable delay time using external capacitors. The TPS389x family also has a logic enable pin (ENABLE or ENABLE) to power on and off the output. With the TPS3895, for example, when the input voltage pin (SENSE) rises above the threshold, and the ENABLE pin is high, then the output pin (SENSE_OUT) goes high after the capacitor-adjustable delay time. When SENSE falls below the threshold or ENABLE is low, then SENSE_OUT goes low.

For TPS389xA versions, both SENSE and ENABLE have a capacitor-adjustable delay. The output asserts after this capacitor-adjustable delay when both SENSE and ENABLE inputs are good. The TPS389xP devices have a small, 0.2-µs propagation delay from when the enable pin asserts to when the output pin asserts, provided SENSE is above the threshold.

All devices operate from 1.7 V to 6.5 V and have a typical quiescent current of 6 µA with an open-drain output rated at 18 V. The TPS389x is available in an ultra-small USON package and is fully specified over the temperature range of TJ = –40°C to 125°C.

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TPS3890 ACTIVE Low-quiescent current 1% accuracy supervisor with programmable delay TPS3890 has fixed threshold options and lower quiescent current.

Technical documentation

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No results found. Please clear your search and try again. View all 12
Type Title Date
* Data sheet TPS389x Single-Channel, Adjustable Voltage Monitor in Ultra-Small Package datasheet (Rev. B) Sep. 02, 2014
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 Latching a Voltage Supervisor (Reset IC) (Rev. A) Apr. 05, 2019
Application notes Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) Oct. 09, 2018
Selection guides Power Management Guide 2018 (Rev. R) Jun. 25, 2018
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 Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep. 19, 2011
User guides TPS389xxA-XP-EVM047 User's Guide (Rev. A) Sep. 01, 2011

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$199.00
Description
To get started:

Step 1: Hardware
Order TAS2770EVM (for mono) or request TAS2770EVM-STEREO (for stereo) evaluation module & PP-SALB2-EVM learning board (if using speaker protection features)

Step 2: Software
Request PurePath Console 3 (PPC3) control GUI, be sure to indicate you are working with the (...)
Features
  • Stereo or Mono evaluation mode USB input
  • Connect up to eight boards
  • Interface to TAS2559YZEVM for speaker protection evaluation
  • Access to TAS2770 add-in PurePath Console 3
EVALUATION BOARDS Download
document-generic User guide
$199.00
Description
The TAS2770YFFEVM provides developers with a simple to use mono evaluation module that can be configured as a stereo solution and as a multi-channel solution. It is powerful tool kit for assessing stereo and mono implementations of the TAS2770 with or without IV sense. Everything needed for (...)
Features
  • Stereo or Mono evaluation mode
  • USB input
  • Connect up to eight boards
  • Interface to TAS2559YZEVM for speaker protection evaluation
  • Access to TAS2770 add-in PurePath Console 3
EVALUATION BOARDS Download
document-generic User guide
$249.00
Description
To get started:

Step 1: Hardware
Purchase the TAS3251 Evaluation Module
If you intend to use Smart Amp features, purchase the Speaker Characterization Board for PurePath™ Audio Smart Amp 

Step 2: Software
Request access to PurePath™ Console 3 and TAS3251 Software 
If you intend to use Smart Amp features,  (...)

Features
  • Stereo, Mono, and Two-way speaker configurations
  • Audio Inputs: USB, Optical SPDIF, COAX SPDIF, Direct I2S or TDM
  • Audio Sample Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
  • Works with PurePath™ Console 3 for advanced tuning
  • Double-sided, plated-through, 2 oz. Cu 2 layer PCB layout
EVALUATION BOARDS Download
document-generic User guide
$199.00
Description
Features
  • 96-kHz Input Sample Rate Support
  • 2.0, Mono and 2.1 Capable
  • Operates in BTL or PBTL
  • Flexible input signal routing (USB, Coaxial SPDIF and External I2S)
  • Demonstration, Evaluation and Development environment via the PurePath Console 3 software (GUI)
EVALUATION BOARDS Download
$299.00
Description
The TPA6304-Q1 evaluation module showcases the industry's smallest 2.1-MHz 4-channel Analog Input Class-D Audio solution for Automotive Infotainment applications. TPA6304-Q1’s 2.1-MHz switching frequency allows customers to significantly reduce inductor size and cost and optimize total system (...)
Features
  • 2.1-Mhz switching frequency
  • 4-channel Analog input Class-D automotive audio amplifier
  • 27-W/Ch at 10% THD+N into 4-Ω with a 14.4-V supply
  • 45-W/Ch at 10% THD+N into 2-Ω with a 14.4-V supply
  • I2C diagnostics and protection
EVALUATION BOARDS Download
document-generic User guide
$25.00
Description
The TPS3897A-6P-EVM047 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS3897A and TPS3896P single-channel adjustable supervisory circuit. The EVM has two complete adjustable supervisory circuits, one featuring a push-pull output and one featuring an (...)
Features
  • Input supply voltage: 1.7 V to 6.5 V
  • Adjustable supervisor voltage: resistor programmable to 0.5 V minimum
  • Quiescent current: 6 µA (typical, not including contribution of adjustment resistors)
  • SENSE threshold accuracy: 1% over temperature
  • Capacitor programmable SENSE voltage delay and ENABLE delay
  • Very (...)

Design tools & simulation

SIMULATION MODELS Download
SBVM073A.ZIP (33 KB) - PSpice Model
SIMULATION MODELS Download
SBVM074B.ZIP (33 KB) - PSpice Model
SIMULATION MODELS Download
SBVM221.TSC (139 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBVM222.ZIP (12 KB) - TINA-TI Spice Model
CALCULATION TOOLS Download
SBVC043.ZIP (54 KB)

Reference designs

REFERENCE DESIGNS Download
High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design
TIDA-010065 — This reference design is a simplified architecture for generating an isolated power supply for isolated amplifiers for measuring isolated voltages and currents. A fully integrated DC/DC converter with reinforced isolation operating from a 5-V input with configurable 5-V or 5.4-V output (headroom for (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Isolated power architecture reference design for communication and analog input/output modules
TIDA-00300 This reference design provides a simple means through which to isolate I2C or SPI type communication lines. This is often required in Grid Infrastructure applications such as, protertion relays and circuit breakers, where high voltages are involved. This reference design provides the complete (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Industrial Servo Drive and AC Inverter Drive Reference Design
TIDM-SERVODRIVE The DesignDRIVE Development Kit is a reference design for a complete industrial drive directly connecting to a three phase ACI or PMSM motor. Many drive topologies can be created from the combined control, power and communications technologies included on this single platform.  Includes (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Stereo Evaluation Module Reference Design of the Digital Input, Class-D, IV Sense Audio Amplifier
TIDA-01572 — This reference design provides a high-performance stereo audio subsystem for use in PC applications. It operates off a single supply, ranging from 4.5 V to 16 V, and features the TAS2770, a digital-input Class-D audio amplifier that provides excellent noise and distortion performance and is (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Data Concentrator Reference Design for Smaller AMI Networks Reduces Infrastructure Cost
TIDM-MINI-DC — The TIDM-MINI-DC reference design implements a light-weight powerline communication (PLC) data concentrator (DC) solution integrated with an Ethernet repeater feature. A power grid network is static, which means that once end-nodes are installed the number of nodes to be supported by a DC is fixed (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SON (DRY) 6 View options

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