Manufacturer Part Number
TPS3839A09DBZR
Manufacturer
Texas Instruments
Introduction
The TPS3839A09DBZR is a power management supervisor device that monitors the system voltage and provides a reset signal to ensure proper operation during power variations.
Product Features and Performance
Simple Reset/Power-On Reset functionality
Monitors single voltage
Low threshold voltage of 0.9V
Push-Pull, Totem Pole output for reliable signal delivery
Active Low reset signal
Reset Timeout of 120ms minimum provides system stability
Operating Temperature range of -40°C to 85°C ensures functionality in extreme conditions
Surface Mount device for compact PCB design
Product Advantages
Low voltage operation suitable for modern low-power applications
Ensures system reliability through accurate monitoring
Compact SOT-23-3 package saves space on the PCB
Robust operation in a wide temperature range suitable for harsh environments
Key Technical Parameters
Voltage Threshold: 0.9V
Output: Push-Pull, Totem Pole
Reset: Active Low
Reset Timeout: 120ms Minimum
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, SOT-23-3
Supplier Device Package: SOT-23-3
Quality and Safety Features
Stringent quality controls from Texas Instruments
Over-temperature and over-current protection for safety
Manufactured to industry-standard specifications for reliability
Compatibility
Compatible with various microcontrollers and digital systems requiring voltage monitoring
Standard SOT-23-3 package compatible with common PCB design practices
Application Areas
Consumer Electronics
Industrial Controls
Portable Devices
Medical Equipment
Automotive Systems
Product Lifecycle
Current Product Status: Active
Not nearing discontinuation
Replacement or upgrade models may be available for future integration
Several Key Reasons to Choose This Product
Engineered by Texas Instruments, a leader in power management technology
Provides essential protection with simple Reset/Power-On Reset functionality
Supports low voltage applications critical for modern, energy-efficient devices
Easy to integrate into existing designs with its compact SOT-23-3 package
Optimal choice for a broad range of operating environments due to its wide temperature range capability
Ensures long-term reliability with built-in safety features
Backed by TI's comprehensive technical support and product documentation