TPS3808G18DBVR

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TPS3808G18DBVR

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IC SUPERVISOR 1 CHANNEL SOT23-6

  • HerstellerTexas Instruments

  • Herstellerteil #TPS3808G18DBVR

  • Paket SOT-23-6

  • Auf Lager2728

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 1.67V
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout Adjustable/Selectable
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-23-6

Übersicht

Description

The TPS3808G18DBVR is a precision voltage supervisor from Texas Instruments. It is designed to monitor system voltages and ensure safe operation by generating a reset signal whenever the monitored voltage drops below a preset threshold. The device is part of the TPS3808 family, which offers high-accuracy voltage detection with a typical threshold accuracy of ±0.5%.
Key features of the TPS3808G18DBVR include a wide supply voltage range from 1.7V to 6.5V, low quiescent current consumption, and a programmable delay time for the reset signal. It also provides a manual reset input for additional flexibility in system design. The reset output is active-low, making it compatible with a variety of microcontrollers and other digital devices.
Housed in a small 5-pin SOT-23 package, the TPS3808G18DBVR is suitable for space-constrained applications, such as portable electronics, automotive systems, and industrial equipment. This supervisor is designed to enhance system reliability by ensuring proper power-up and power-down sequences.

Equivalent

The TPS3808G18DBVR is a voltage supervisor IC. Equivalent products include:
1. Maxim Integrated MAX16056: A microprocessor supervisory circuit with similar voltage monitoring capabilities.
2. ON Semiconductor NCP300G: Provides precise voltage monitoring with a manual reset input.
3. Analog Devices ADM6320: A microprocessor reset IC similar in function.
4. Microchip MCP130: A voltage supervisor with a comparable feature set.
Always verify pin compatibility and electrical characteristics with the datasheets before substitution.

Features

The TPS3808G18DBVR is a precision voltage supervisor designed to monitor system voltages in various applications. Key features include:
1. Precision Monitoring: It offers high-accuracy voltage monitoring, typically 0.5% over temperature, ensuring reliable system performance.
2. Adjustable Delay Time: The device features an adjustable delay time set by an external capacitor, providing design flexibility for different applications.
3. Low Quiescent Current: With a low quiescent current, it is energy-efficient, making it suitable for battery-powered devices.
4. Wide Supply Voltage Range: It supports a wide supply voltage range from 1.7V to 6.5V, catering to various system requirements.
5. Push-Pull Reset Output: The supervisor provides a push-pull reset output, ensuring compatibility with a variety of microcontrollers and processors.
6. Small Package Size: Available in a small SOT-23 package, it is ideal for space-constrained applications.
7. Temperature Range: It operates over an extended temperature range from -40°C to 125°C, suitable for industrial and automotive environments.
These features make the TPS3808G18DBVR ideal for safeguarding microcontrollers and DSPs in a variety of electronic designs.

Pinout

The TPS3808G18DBVR is a voltage supervisor IC from Texas Instruments. It is designed to monitor system voltages and provide a reset signal to ensure the proper operation of digital systems when the sensed voltage goes below a certain threshold.
The device comes in a small SOT-23-6 package, which means it has 6 pins. The primary functions of the pins are as follows:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. RESET: Active-low reset output.
4. SENSE: Voltage sense input, used to monitor the desired voltage.
5. MR: Manual reset input, allowing an external signal to trigger a reset.
6. NC: No connect pin or sometimes used for additional functions in certain configurations.
The specific variant TPS3808G18 provides a fixed sense threshold of 1.8V. The IC is used in applications where voltage monitoring and reset functions are critical, such as in microcontroller and DSP systems.

Manufacturer

The TPS3808G18DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, for various applications. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in the electronics industry, offering products and solutions in areas such as analog electronics, embedded processing, and digital signal processing. The company serves a broad spectrum of markets, including automotive, industrial, consumer electronics, communications equipment, and enterprise systems. TI is recognized for its focus on developing technologies that improve the efficiency, performance, and reliability of electronic systems.

Application

The TPS3808G18DBVR is a voltage supervisor used in various applications to monitor system power supplies. Key application areas include:
1. Consumer Electronics: Ensures stable power supply in devices like smartphones, tablets, and wearables.
2. Industrial Systems: Monitors power in automation and control systems to prevent malfunctions.
3. Computing: Used in computers and servers to maintain reliable operation and prevent data corruption.
4. Communications: Ensures stable operation in networking equipment.
5. Automotive: Monitors critical power supply statuses in vehicle electronics.
6. Medical Devices: Provides reliable power monitoring in sensitive medical equipment.
The device ensures systems operate within acceptable voltage thresholds, preventing errors and enhancing reliability.

Package

The TPS3808G18DBVR is packaged in a SOT-23-6 format. SOT-23-6 is a small-outline transistor package that typically has six leads, making it suitable for compact electronic designs where space-saving is crucial.

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