TPS3847085DBVR

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TPS3847085DBVR

+Nomenclature

IC SUPERVISOR 1 CHANNEL SOT23-5

  • FabricantTexas Instruments

  • Pièce fabricant #TPS3847085DBVR

  • En stock7412

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Spécifications

Attribut Valeur
Part Status Active
Base Product Number TPS3847085
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Voltage - Threshold 8.5V
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 4.5ms Typical
Operating Temperature -40°C ~ 85°C (TJ)
Mounting Type Surface Mount
Package SC-74A, SOT-753
Supplier Device Package SOT-23-5
Packaging Bulk, Cut Tape (CT), Tape & Reel (TR)
Number of Voltages Monitored 1

Présentation

Description

The TPS3847085DBVR is a precision voltage supervisor from Texas Instruments, designed to monitor system voltages and ensure proper functionality of electronic devices. It operates by overseeing the system voltage, ensuring it stays within a specified range, which is crucial for the stable operation of microcontrollers and other sensitive circuits. This component is part of the TPS3847 series, known for their high accuracy, low power consumption, and small footprint, making them suitable for portable and space-constrained applications.
Key features of the TPS3847085DBVR include a fixed threshold voltage, low supply current, and a push-pull output configuration. The device offers a reset output, which asserts low when the monitored voltage drops below the threshold, providing a signal to initiate corrective actions, like system reset or power cycling. Its small SOT-23 package allows for easy integration into various designs. This supervisor is ideal for applications requiring precise power management and reliable operation, such as in battery-operated devices, automotive systems, and industrial equipment.

Equivalent

The TPS3847085DBVR is a voltage supervisor IC manufactured by Texas Instruments. Equivalent products from other manufacturers might include the Microchip MCP100 series, the Analog Devices ADM series, or the On Semiconductor NCP series. These alternatives serve similar functions in monitoring voltage levels and providing reset signals, though it is essential to compare specific parameters such as voltage thresholds, package type, and additional features to ensure compatibility with your application.

Features

The TPS3847085DBVR is a voltage supervisor IC designed for monitoring system voltages, ensuring reliable system performance. Key features include:
1. Voltage Monitoring: It accurately monitors system voltages to ensure that they remain within specified limits.
2. Low Quiescent Current: The device operates with minimal power consumption, making it suitable for battery-powered applications.
3. Precision Threshold: Offers a precise voltage threshold detection to enhance system reliability.
4. Manual Reset Capability: Includes a manual reset input for user-initiated resets, which is useful for debugging and testing.
5. Reset Timeout Period: The device features a reset timeout period, ensuring that the system has adequate time to power up or reset.
6. Temperature Range: Operates efficiently over a wide temperature range, making it suitable for various environmental conditions.
7. Compact Package: Available in a small SOT-23 package, ideal for space-constrained applications.
These features make the TPS3847085DBVR a versatile choice for applications requiring dependable voltage monitoring and system reset functionality.

Pinout

The TPS3847085DBVR is a voltage supervisory circuit from Texas Instruments. It typically comes in a 5-pin SOT-23 package. The primary function of the TPS3847 series is to monitor the supply voltage in microcontroller and digital systems and provide a reset signal when the voltage falls below a predefined threshold. The "085" in the part number indicates a specific voltage threshold variant.
Key pin functions typically include:
1. VDD (Power Supply): Connects to the monitored voltage supply.
2. GND (Ground): Ground reference.
3. RESET (Output): Outputs a reset signal when VDD falls below the threshold.
4. MR (Manual Reset): Allows manual triggering of the reset function.
5. NC or Other Function (Varies): Depending on the specific device variant, this pin might be no-connect or have another function.
These pins help ensure the microcontroller or system is properly reset during undervoltage conditions, enhancing system reliability. Always refer to the datasheet for precise pin configuration and functionality.

Manufacturer

The TPS3847085DBVR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including analog chips and embedded processors. They serve various industries such as automotive, industrial, electronics, and communications. TI is known for its innovation in developing technology that enhances performance and efficiency, enabling advancements across diverse applications.

Application

The TPS3847085DBVR is a voltage supervisor IC used in various applications that require monitoring of power supply voltages to ensure reliable operation. Key application areas include:
1. Consumer Electronics: Devices like smartphones and tablets for battery monitoring and power management.

2. Industrial Systems: Equipment needing accurate voltage monitoring for safety and efficiency, such as PLCs and motor controllers.

3. Automotive Electronics: Ensures stable operation of onboard systems by monitoring vehicle battery and power supply lines.

4. Computing: Used in servers and computers to monitor and manage power supply health.

5. Communication Equipment: Ensures reliable operation of networking devices by monitoring power integrity.
These applications benefit from the IC's precision voltage threshold detection and low power consumption.

Package

The TPS3847085DBVR is packaged in a SOT-23-5 (Small Outline Transistor-23-5) package. This package type is compact, designed for surface-mount applications, and typically used for integrated circuits like voltage supervisors, where space efficiency is crucial.

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