TPS3839K33DBZR

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TPS3839K33DBZR

IC SUPERVISOR 1 CHANNEL SOT23-3

  • 제조업체
  • Mfr.부분 #TPS3839K33DBZR
  • 패키지 SOT-23 (DBZ)-3
  • 데이터시트
  • 재고 있음7982

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.93V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 120ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

개요

Description

The TPS3839K33DBZR is a precision voltage supervisor manufactured by Texas Instruments. It is designed to monitor the power supply voltage level in electronic devices and systems, ensuring that the voltage remains within specified limits to prevent malfunctions or damage. This device is particularly useful in applications requiring a high degree of reliability and safety.
Key features of the TPS3839K33DBZR include:
- Voltage Monitoring: It supervises a 3.3V power rail, ensuring the voltage does not drop below a preset threshold.
- Reset Output: Provides a reset signal to the processor or microcontroller when the monitored voltage falls below the threshold, thus safeguarding against improper operation.
- Low Power Consumption: Operates with minimal power, making it suitable for battery-powered devices.
- Small Package: Available in a compact SOT-23 package, facilitating easy integration into space-constrained designs.
- Temperature Range: Functions effectively over a wide temperature range, enhancing its applicability in various environmental conditions.
Overall, the TPS3839K33DBZR is an essential component for maintaining system stability and reliability in electronic applications where voltage monitoring is critical.

Features

The TPS3839K33DBZR is a voltage supervisor IC designed to monitor system voltages and ensure reliable operation by providing a reset signal when the monitored voltage falls below a specified threshold. Key features include:
1. Voltage Monitoring: Specifically designed to monitor 3.3V supply voltages.
2. Precision: Offers high-accuracy threshold detection to ensure precise system monitoring.
3. Reset Functionality: Provides an active-low reset output (RESET) that remains asserted when the monitored voltage is below the threshold.
4. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
5. Fast Response Time: Quick response to voltage drops to provide timely reset signals.
6. Temperature Range: Operates over a wide temperature range, enhancing reliability in various environments.
7. Compact Package: Available in a small SOT-23 package, facilitating space-saving designs.
8. Applications: Commonly used in microcontroller and microprocessor systems, portable devices, and any application requiring reliable voltage monitoring.
These features make the TPS3839K33DBZR ideal for ensuring system stability and preventing erroneous operation due to undervoltage conditions.

Package

The TPS3839K33DBZR is packaged in a SOT-23-3 format, which is a small-outline transistor package with three terminals.

Pinout

The TPS3839K33DBZR is a voltage supervisor IC from Texas Instruments, primarily used for monitoring supply voltages in microcontroller and digital systems. It comes in a SOT-23-3 package, which means it has a pin count of 3.
The functions of the three pins are generally as follows:
1. VDD (Pin 1): This is the supply voltage pin, where the input voltage is connected. The IC monitors this voltage to ensure it stays above a specified threshold.
2. GND (Pin 2): This is the ground pin, providing a reference point for the circuit. It should be connected to the system ground.
3. RESET (Pin 3): This is the output pin that provides a reset signal to the microcontroller. When the monitored voltage drops below the specified threshold, this pin is asserted, typically driving a reset signal low to reset the attached system.
The TPS3839K33DBZR is designed for systems requiring a precise reset generator for supply voltage monitoring, with a typical voltage threshold of 3.3V.

Manufacturer

The TPS3839K33DBZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic components, including integrated circuits, microcontrollers, and sensors. TI serves various industries, including automotive, industrial, consumer electronics, and communications. The company is recognized for its innovations in analog and embedded processing technologies.

Application

The TPS3839K33DBZR is a voltage supervisor or reset IC designed for monitoring voltage levels in electronic systems. Its primary application areas include ensuring reliable operation in microcontrollers, DSPs, and FPGAs by supervising power supply levels and generating a reset signal during power-up, power-down, and brownout conditions. It is commonly used in consumer electronics, automotive systems, industrial control systems, and portable devices to enhance system reliability and prevent malfunction due to incorrect power supply voltages.

Equivalent

The TPS3839K33DBZR is a voltage supervisor IC. Equivalent products include the MAX803 series from Maxim Integrated, the MCP101 series from Microchip Technology, the ADM809 series from Analog Devices, and the STM809 series from STMicroelectronics. Always check the datasheets to ensure compatibility in terms of voltage thresholds, package type, and other specifications.

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