TPS3805H33DCKR

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TPS3805H33DCKR

+Nomenclature

IC SUPERVISOR 2 CHANNEL SC70-5

  • FabricantTexas Instruments

  • Pièce fabricant #TPS3805H33DCKR

  • En stock7232

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Spécifications

Attribut Valeur
Part Status Active
Digi Key Programmable Not Verified
Type Multi-Voltage Supervisor
Number of Voltages Monitored 2
Voltage - Threshold 3.05V, Adj
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 5µs Typical Propagation Delay
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SC-70-5
Base Product Number TPS3805

Présentation

Description

The TPS3805H33DCKR is a voltage supervisory integrated circuit (IC) produced by Texas Instruments. This device is designed to monitor the voltage level of a system and ensure that microcontrollers operate under stable conditions by providing reset signals when the monitored voltage is below a predetermined threshold. It is specifically tailored for applications that require precise voltage monitoring and reliable system resets, such as in embedded systems, industrial applications, and consumer electronics.
Key features of the TPS3805H33DCKR include a supply voltage range, typically around 2V to 6V, and a fixed threshold voltage of 3.3V, making it ideal for systems operating at 3.3V. The device includes a manual reset input and an open-drain reset output with a delay time that can be customized using an external capacitor. Its small SOT-23 package makes it suitable for space-constrained applications. The TPS3805H33DCKR provides accuracy, low power consumption, and robust performance, making it a reliable choice for voltage monitoring tasks.

Equivalent

The TPS3805H33DCKR is a microprocessor supervisory circuit by Texas Instruments, typically used for voltage monitoring. Equivalent products include:
1. Maxim Integrated: MAX706 series (e.g., MAX706R/S/T)
2. Analog Devices: ADM6326 series
3. ON Semiconductor: CAT1163 series
4. STMicroelectronics: STM706 series
These alternatives offer similar functionalities such as voltage monitoring and reset capabilities, though specifications like voltage thresholds may vary slightly. Always verify compatibility based on your specific application requirements.

Features

The TPS3805H33DCKR is a voltage supervisor IC designed for monitoring supply voltages in electronic systems. Key features include:
1. Supply Voltage Monitoring: It ensures proper operation by supervising a 3.3V supply voltage.

2. Reset Functionality: The device provides a reset signal when the monitored voltage falls below a preset threshold, ensuring systems restart in a known state.
3. Manual Reset Input: It includes a manual reset input pin for user-initiated resets.
4. Precision Threshold: Features accurate voltage threshold detection with a typical tolerance of ±1.5%.
5. Low Supply Current: Designed for power efficiency, the IC consumes low operating current.
6. Wide Operating Temperature Range: Suitable for industrial applications, it operates from -40°C to 125°C.
7. Small Package: The device comes in a compact SOT-23 package, ideal for space-constrained applications.
8. Watchdog Timer: It includes a watchdog timer to detect and address system malfunctions.
These features make the TPS3805H33DCKR suitable for ensuring reliable operation in various electronic applications by providing essential supervisory functions.

Pinout

The TPS3805H33DCKR is a voltage supervisor IC manufactured by Texas Instruments. It is typically available in a 5-pin SOT-23 package. The primary function of this device is to monitor the supply voltage and assert a reset signal when the voltage falls below a predefined threshold, in this case, 3.3V. This ensures that the system operates correctly by preventing microcontrollers or other digital circuits from executing erroneous operations during power-up, power-down, or brown-out conditions. The device features a manual reset input and an active-low reset output. It is widely used in applications that require reliable power supervision to maintain system stability and integrity.

Manufacturer

The TPS3805H33DCKR is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is a global semiconductor company that designs and manufactures a wide variety of electronic components and systems. Founded in 1930 and headquartered in Dallas, Texas, the company is known for its extensive portfolio of products, including analog chips, embedded processors, and digital signal processors. TI's components are widely used in various industries, including automotive, consumer electronics, industrial, and communications. The company's focus on innovation and technology development has positioned it as a leader in the semiconductor industry.

Application

The TPS3805H33DCKR is a voltage supervisor IC commonly used in applications requiring precise monitoring of supply voltages. Its primary application areas include:
1. Microcontroller and DSP Systems: Ensures reliable operation by monitoring supply voltages and providing reset signals during power-up, brownouts, or other voltage inconsistencies.
2. Consumer Electronics: Used in devices such as smartphones and tablets to ensure stable power management.
3. Industrial Control Systems: Provides voltage monitoring and reset functions critical for maintaining system integrity.
4. Automotive Electronics: Offers voltage supervision to enhance the reliability of electronic control units (ECUs).
5. Embedded Systems: Enhances system reliability by preventing malfunction due to inadequate power supply.

Package

The TPS3805H33DCKR is a voltage supervisor IC from Texas Instruments, and it is available in a small SC-70 package, specifically a 6-pin SC70 (DCK) package. This compact size makes it suitable for space-constrained applications.

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