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TPS3847085DBVR

Name: TPS3847085DBVR
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL SOT23-5

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規格

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

概述

Description

The TPS3847085DBVR is a voltage supervisor from Texas Instruments, designed to monitor power supplies in various electronic applications. It features a low-voltage supervisory circuit that ensures proper operation by monitoring system voltages and providing reset signals when those voltages fall below a predetermined threshold.
Key features include a programmable reset threshold, a fast response time, and a low supply current, making it suitable for battery-operated devices. The device operates over a wide voltage range and provides a precise reset output to microcontrollers and processors, enhancing system reliability by preventing malfunction during voltage transients.
Its compact package, the DBVR, is suitable for space-constrained applications, and its robustness makes it ideal for consumer electronics, automotive systems, and industrial controls. The TPS3847085DBVR is a critical component for ensuring system stability and preventing data corruption during power fluctuations.

Features

The TPS3847085DBVR is a voltage supervisor designed for monitoring power supply voltages in various applications. Key features include:
1. Voltage Monitoring: It monitors two adjustable voltage levels with a precision of ±1%.
2. Reset Output: Provides a reset output signal that can be used to reset microcontrollers or other components during power fluctuations.
3. Multiple Thresholds: Offers programmable reset thresholds, making it adaptable to different voltage levels.
4. Low Quiescent Current: Features a low quiescent current, enhancing energy efficiency for battery-operated devices.
5. Wide Supply Voltage Range: Operates within a wide voltage range, accommodating various system designs.
6. Temperature Range: Designed for operation across a broad temperature range, suitable for industrial applications.
7. Small Package Size: Available in a compact SOT-23 package, facilitating space-efficient designs.
These features make the TPS3847085DBVR suitable for automotive, industrial, and consumer electronics applications.

Package

The TPS3847085DBVR is available in a VSSOP-8 package type.

Pinout

The TPS3847085DBVR is a voltage supervisor from Texas Instruments with a pin count of 5. It is designed for monitoring power supply voltages and providing reset signals to microcontrollers and other digital circuits.
Pin Functions:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active-low reset output; indicates when the monitored voltage is below the threshold.
4. SENSE (Pin 4): Input for the voltage to be monitored.
5. SET (Pin 5): Adjustable threshold setting pin; connects to a resistor divider to set the voltage threshold for reset.
The TPS3847085DBVR offers features like adjustable reset thresholds and a fast response time, making it suitable for various applications in power management and system monitoring.

Manufacturer

The TPS3847085DBVR is manufactured by Texas Instruments (TI), a prominent semiconductor company based in the United States. Texas Instruments primarily designs and produces a wide range of electronic components, including analog, digital signal processing (DSP), and microcontroller products. They serve various industries, including automotive, industrial, telecommunications, and consumer electronics. Texas Instruments is well-known for its innovation in the field of integrated circuits and plays a significant role in advancing technology across multiple sectors.

Application

The TPS3847085DBVR is a voltage supervisor used in various application areas, including power management systems, automotive electronics, industrial automation, and consumer electronics. It provides voltage monitoring and reset functionality, ensuring proper operation of microcontrollers and processors by preventing erroneous behavior during voltage fluctuations or failures. Its features make it suitable for battery management systems, FPGA/ASIC supervision, and systems requiring precise voltage thresholds.

Equivalent

Equivalent products to the TPS3847085DBVR chip include the TPS3847A, TPS3847B, and TPS3847C series from Texas Instruments, as they offer similar voltage monitoring features. Other alternatives may include the MAX809/MAX810 series from Maxim Integrated and the LTC1700 series from Analog Devices, depending on specific application requirements such as voltage thresholds and package types. Always verify specifications to ensure compatibility.