Manufacturer Part Number
TPS3305-18DGNR
Manufacturer
Texas Instruments
Introduction
The TPS3305-18DGNR from Texas Instruments is a dual voltage supervisor designed to monitor system voltages and provide reset signals during fault conditions.
Product Features and Performance
Multi-Voltage Supervisor with 2 monitored voltages
Distinct voltage thresholds at 1.68V and 2.93V
Push-Pull, Totem Pole reset output
Supports both Active High and Active Low reset signals
Minimum reset timeout of 140ms
Operating Temperature Range: -40°C to 85°C
Surface Mount TSSOP-8 package with an exposed pad for thermal performance
Product Advantages
Dual monitoring capability reduces component count
Precise voltage threshold levels enhance system reliability
Flexible push-pull output compatible with various logic standards
Integrated active high/low reset allows for broad application usability
Robust temperature range suits a variety of environments
Compact, thermally efficient package eases PCB integration
Key Technical Parameters
Voltage Threshold: 1.68V and 2.93V
Number of Voltages Monitored: 2
Reset Timeout: 140ms minimum
Output Type: Push-Pull, Totem Pole
Reset Logic: Active High/Active Low
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package / Case: 8-TSSOP, 8-MSOP with Exposed Pad
Quality and Safety Features
Stringent voltage threshold accuracy for reliable operation
Thermal protection with exposed pad package design
Active reset signal ensures proper system reboot after fault
Compatibility
Compatible with a variety of microprocessors, microcontrollers, and other digital systems that require voltage supervision.
Application Areas
Networking equipment
Computers and computer peripherals
Automotive systems
Embedded systems
Industrial electronics
Product Lifecycle
Product Status: Active
Not reported as nearing discontinuation
Consult Texas Instruments for potential future replacement or upgrade options
Several Key Reasons to Choose This Product
Manufactured by Texas Instruments, a leader in semiconductor solutions
Precision monitoring for two different voltage thresholds enhances system stability
Integrated active high and low reset circuits provide versatile interfacing options
The 140ms reset timeout ensures enough time for system stability before reboot
The extended operating temperature range makes it suitable for harsh environments
Small package size with efficient thermal conductivity allows for space-saving design in PCB layouts
Ongoing product support with active status suggests long-term availability
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