TPS3851G25EDRBR

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TPS3851G25EDRBR

+Nomenclature

IC SUPERVISOR 1 CHANNEL 8SON

  • FabricantTexas Instruments

  • Pièce fabricant #TPS3851G25EDRBR

  • En stock9843

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Spécifications

Attribut Valeur
Part Status Active
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.5V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 170ms Minimum
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-VDFN Exposed Pad
Supplier Device Package 8-SON (3x3)
Base Product Number TPS3851

Présentation

Description

The TPS3851G25EDRBR is a voltage supervisor from Texas Instruments designed to monitor power supply voltages in electronic systems. It provides precision voltage monitoring, ensuring that a system operates correctly and preventing damage from under-voltage conditions. This device features a threshold voltage of 2.5V and is capable of detecting voltage levels with high accuracy.
Key features include a reset output that signals the microcontroller when voltages are outside of specified limits, a wide supply voltage range, and low quiescent current. It also includes programmable delay times to manage power-up and power-down sequences effectively.
The TPS3851G25EDRBR is available in a compact 5-pin SOT-23 package, making it suitable for space-constrained applications. Its robustness and reliability make it ideal for use in automotive, industrial, and consumer electronics. Overall, this voltage supervisor enhances system stability and reliability by ensuring that power levels stay within safe operating conditions.

Equivalent

The TPS3851G25EDRBR is a voltage supervisor with a 2.5V threshold. Equivalent products include the TPS3840, TPS3841, and TPS3842 series from Texas Instruments, which offer similar functionalities with variations in voltage thresholds and features. Other alternatives may include the MAX801, MAX809 from Maxim Integrated, or the MIC watchdog supervision series from Microchip, depending on specific application needs. Always check data sheets for detailed specifications before substitution.

Features

The TPS3851G25EDRBR is a voltage supervisor designed for monitoring power supply voltages in various applications. Key features include:
1. Precision Voltage Monitoring: It has an adjustable threshold for voltage detection, with a fixed threshold of 2.5V.
2. Low Quiescent Current: Optimized for low power consumption in battery-operated devices.
3. Fast Response Time: Quick detection of voltage abnormalities, enhancing system reliability.
4. Active-Low Reset Output: Provides a reset signal when the monitored voltage falls below the threshold.
5. Programmable Timeout Delay: Allows customization of the reset deassertion timing.
6. Temperature Range: Operates across a wide temperature range, suitable for various environments.
7. Small Package Size: Available in a compact 8-pin VSSOP package, facilitating space-constrained designs.
8. Multiple Supply Options: Supports operation from various supply voltages, enhancing flexibility in design.
These features make the TPS3851G25EDRBR ideal for applications such as microcontroller reset, power management systems, and automotive electronics.

Pinout

The TPS3851G25EDRBR is a voltage supervisor from Texas Instruments with a total of 8 pins. Its primary functions include monitoring supply voltages, providing reset outputs, and asserting a reset signal when the monitored voltage falls below a predefined threshold.
The pin configuration is as follows:
1. GND - Ground connection.
2. VDD - Supply voltage input.
3. RESET - Active low reset output.
4. SENSE - Input for the monitored voltage.
5. VIT - Selectable voltage threshold.
6. SET - Adjusts the reset delay time.
7. NC - No connection (not internally connected).
8. VREF - Reference voltage output.
The TPS3851 is designed for applications requiring reliable power supply monitoring, offering features like programmable reset thresholds and delay times to enhance system reliability.

Manufacturer

The TPS3851G25EDRBR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog and digital signal processing devices. Established in 1930, TI is a leader in the semiconductor industry, known for its innovative solutions in areas such as embedded processing, analog electronics, and digital signal processing.
The TPS3851G25EDRBR is specifically a voltage supervisor designed to monitor power supply voltages and provide a reset signal when the monitored voltage falls below a set threshold. This product is commonly used in automotive, industrial, and consumer electronics applications, where reliable power management is critical.
Texas Instruments is recognized for its commitment to research and development, resulting in a diverse portfolio of products that cater to various sectors, including automotive, communications, and computing. The company's robust distribution and support network further solidify its position as a key player in the global semiconductor market.

Application

The TPS3851G25EDRBR is a voltage supervisor designed for various applications, including power management systems, microcontrollers, and FPGAs. It is commonly used in automotive electronics, industrial equipment, and consumer devices to monitor supply voltage levels, ensuring system reliability. Its features, such as adjustable reset thresholds and a robust design, make it suitable for applications requiring precise voltage monitoring and fault detection, enhancing overall system stability and performance.

Package

The TPS3851G25EDRBR is packaged in a VQFN (Very Thin Quad Flat No-lead) form factor, specifically a 6 mm x 6 mm package with 40 pins. This type of package is designed for compactness and efficient thermal performance in electronic applications.

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