TPS3851H18EDRBR

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TPS3851H18EDRBR

IC SUPERVISOR 1 CHANNEL 8SON

  • 제조업체
  • Mfr.부분 #TPS3851H18EDRBR
  • 패키지 VSON (DRB)-8
  • 데이터시트
  • 재고 있음5455

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 1.8V
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout 170ms Minimum
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-VDFN Exposed Pad

개요

Description

The TPS3851H18EDRBR is a high-precision voltage supervisor integrated circuit designed by Texas Instruments. It is engineered to monitor system voltages and ensure reliable system performance by generating a reset signal when the monitored voltage falls below a pre-set threshold. This IC is part of the TPS3851 series, known for its wide input voltage range and low power consumption, making it suitable for a variety of applications, including industrial and automotive systems.
Key features of the TPS3851H18EDRBR include a fixed threshold voltage, typically set at 1.8V, a push-pull reset output, and an active-low reset signal. It operates over a temperature range, making it robust for harsh environmental conditions. The device is housed in a compact, leadless package, facilitating space-saving designs.
The TPS3851 series is valued for its accuracy, fast response to voltage changes, and reliability, making it ideal for critical applications that require precise voltage monitoring and reset functionality to protect microcontrollers and other digital systems from under-voltage conditions.

Features

The TPS3851H18EDRBR is a precision voltage supervisor with the following key features:
1. Wide Input Voltage Range: Operates from 1.8 V to 6.5 V, making it suitable for a variety of applications.
2. Low Quiescent Current: Consumes minimal power, enhancing efficiency in battery-powered devices.
3. Accurate Voltage Monitoring: Provides precise voltage threshold levels with a typical accuracy of 1%, ensuring reliable system performance.
4. Programmable Delay: Allows customization of the reset delay time, accommodating different system requirements through an external capacitor.
5. Active Low Reset Output: Offers a push-pull, active low reset output to interface easily with microcontrollers and processors.
6. Small Package Size: Available in a compact DRB (VSON) package, which is ideal for space-constrained applications.
7. Temperature Range: Supports a wide operating temperature range from -40°C to +125°C, suitable for industrial environments.
8. Watchdog Timer: Includes a watchdog function to monitor system activity and improve reliability.
9. Glitch Immunity: Features built-in glitch filtering to prevent false resets due to transient voltage spikes.
These features make the TPS3851H18EDRBR suitable for applications requiring reliable voltage supervision, such as automotive, industrial, and consumer electronics.

Package

The TPS3851H18EDRBR is a voltage supervisor IC from Texas Instruments, housed in a 8-pin VSON (very thin small outline no-lead) package. It is designed for space-efficient applications, providing precise monitoring for power management.

Pinout

The TPS3851H18EDRBR is a voltage supervisor IC from Texas Instruments. It comes in a 6-pin WSON (DRB) package. The main function of the TPS3851H18EDRBR is to monitor voltage levels and provide a reset signal when the voltage falls below a specified threshold, ensuring proper operation of the system by preventing data corruption or undefined behavior in microcontrollers or processors due to low supply voltage.
Key features include a fixed threshold voltage of 1.8V, low quiescent current, and a precision reference. The device is suitable for applications requiring high reliability and accuracy, such as in telecommunications, industrial equipment, and automotive systems.
The pin configuration is as follows:
1. VDD: Supply voltage input.
2. GND: Ground connection.
3. RESET: Active-low reset output.
4. RESET: Active-high reset output (may not be present in all variants).
5. WDI: Watchdog input (optional, used for a watchdog function).
6. NC: No connection pin (may vary based on the actual variant).
For detailed electrical characteristics and pin functions, it is advised to consult the datasheet specific to the TPS3851H18EDRBR.

Manufacturer

The manufacturer of the TPS3851H18EDRBR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and embedded processors. TI is known for its innovations in analog and digital embedded and application processing technologies. The company serves various industries, such as automotive, industrial, electronics, and communications.

Application

The TPS3851H18EDRBR is a precision voltage supervisor used in various applications for monitoring system voltages to ensure reliability and system integrity. Its typical application areas include industrial automation, automotive systems, telecommunications, computing, and consumer electronics. It is suitable for use in power management units, microcontrollers, FPGAs, and ASICs, providing an extra layer of protection against under-voltage conditions and ensuring safe system operation.

Equivalent

The TPS3851H18EDRBR is a supervisory circuit by Texas Instruments designed for monitoring voltage levels. Equivalent products from other manufacturers might include:
1. MAX706 series by Maxim Integrated - Offers similar voltage monitoring and reset capabilities.
2. MCP1316 series by Microchip Technology - Provides similar voltage threshold and reset timing.
3. ADM6701 by Analog Devices - Another alternative for voltage supervision with similar features.
Each alternative should be checked for specific feature matching to ensure compatibility with your application.

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