TPS3808G18DBVR

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TPS3808G18DBVR

IC SUPERVISOR 1 CHANNEL SOT23-6

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  • SOT-23-6
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規格

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

概述

Description

The TPS3808G18DBVR is a precision voltage supervisor integrated circuit (IC) from Texas Instruments. It is designed to monitor system voltages and ensure reliable operation by providing a reset signal when the monitored voltage falls below a specified threshold. The device is part of the TPS3808 series, known for offering accurate voltage threshold detection, with a typical threshold accuracy of ±0.5%.
Key features of the TPS3808G18DBVR include low power consumption, typically in the nanoamp range, and a programmable reset delay time, which allows flexibility in application-specific timing requirements. The IC operates over a wide supply voltage range and can function effectively at low voltages, making it suitable for battery-operated devices.
The IC is packaged in a compact SOT-23-6 package, making it ideal for space-constrained applications. It is commonly used in various electronic systems such as computers, servers, and embedded systems to enhance system reliability by ensuring proper power-on and brownout protection.

Features

The TPS3808G18DBVR is a precision voltage supervisor designed by Texas Instruments. Key features include:
1. High Accuracy: It provides a highly accurate reset threshold, typically within ±0.5% of the 1.8V threshold.

2. Low Quiescent Current: This device operates with low power consumption, featuring a quiescent current of typically 2.4µA.

3. Adjustable Delay: It offers an adjustable reset delay time via an external capacitor, supporting flexibility in timing configurations.

4. Wide Input Voltage Range: It operates over a wide input voltage range from 1.6V to 6V, making it suitable for various applications.

5. Active-Low Reset Output: The supervisor provides an open-drain, active-low reset output to interface with other system components.

6. Temperature Range: It functions across a temperature range of -40°C to +125°C, ensuring reliability in harsh environments.

7. Compact Package: Available in a small SOT-23 package, it fits space-constrained applications.
These features make the TPS3808G18DBVR ideal for monitoring and controlling the power in microcontroller and DSP applications, ensuring reliable system performance.

Package

The TPS3808G18DBVR is a voltage supervisor IC from Texas Instruments, packaged in a SOT-23-6 (DBV) format. This package is compact, suitable for space-constrained applications, and offers easy solderability for surface-mount technology.

Pinout

The TPS3808G18DBVR is a voltage supervisor IC from Texas Instruments, typically packaged in a 5-pin SOT-23 (DBV) package. The TPS3808 series monitors system voltages and provides a reset signal to ensure proper system operation during power-up, power-down, and brownout conditions.
Here are the pin functions for the TPS3808G18DBVR:
1. GND (Ground): This is the ground reference pin for the device.
2. VDD (Supply Voltage): This pin is connected to the monitored voltage source. It powers the IC and determines the threshold for the reset signal.
3. MR (Manual Reset): This active-low, manual reset input allows for an external reset signal to be applied. Tying MR low forces the RESET output to be asserted.
4. RESET (Reset Output): This active-low output pin asserts a reset signal when VDD falls below the threshold voltage or during a manual reset.
5. NC (No Connect): Typically, not internally connected. Often used for mechanical stability.
The device is used to ensure that microcontrollers and other digital circuits operate properly by providing a reset signal during undervoltage conditions.

Manufacturer

The TPS3808G18DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic applications. TI is known for its innovation in developing analog chips, embedded processors, and various other semiconductor products crucial for the advancement of modern electronics. The company serves industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The TPS3808G18DBVR is a voltage supervisor IC primarily used in applications requiring precise monitoring of supply voltages. Common areas include microprocessor and microcontroller supervision, embedded systems, and communication equipment. It is also used in portable and battery-powered devices, industrial equipment, and automotive systems to ensure reliable operation by providing reset signals during power-up, power-down, or brownout conditions.

Equivalent

The TPS3808G18DBVR is a voltage supervisor with a fixed threshold. Equivalent products include the MAX6717 series from Maxim Integrated, the STM1831 from STMicroelectronics, and the ADM6339 from Analog Devices. These components offer similar functionalities, such as voltage monitoring and reset capabilities, but may vary in threshold voltage options, package types, and additional features. Always compare specific datasheets to ensure compatibility with your application requirements.

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