TPS3823A-33DBVR

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TPS3823A-33DBVR

IC SUPERVISOR 1 CHANNEL SOT23-5

  • Fabricant
  • Mfr. Partie #TPS3823A-33DBVR
  • Paquet SOT-23 (DBV)-5
  • Fiche de données
  • En stock4994

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.93V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 120ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Vue d'ensemble

Description

The TPS3823A-33DBVR is a precision voltage supervisor manufactured by Texas Instruments. It is designed to monitor system voltages and ensure proper system reset during power-up, power-down, and brownout conditions. Specifically, the device monitors a 3.3V power rail, providing an active-low reset output signal to inform the system of voltage irregularities.
Key features include a very low supply current, typically around 15 µA, and a reset threshold of 3.3V with a 5% tolerance. The device ensures that the reset output remains active until the supply voltage returns to a preset threshold level and stabilizes. The TPS3823A-33DBVR is highly reliable, offering a fixed delay time (typically 200ms) after the supply voltage is stable before releasing the reset signal, allowing systems to stabilize fully.
Housed in a compact SOT-23 package, this supervisor is suitable for space-constrained applications. It is ideal for use in microcontrollers, DSPs, or data converters, where precise power management and system stability are critical.

Features

The TPS3823A-33DBVR is a voltage supervisor IC manufactured by Texas Instruments. It is designed to monitor system voltages and ensure proper system reset during power up and down. Key features include:
1. Voltage Monitoring: Monitors a fixed threshold voltage of 3.3V, making it suitable for systems with a 3.3V power supply.
2. Precision: It offers a high accuracy threshold voltage with a typical accuracy of ±1.5%.
3. Manual Reset Capability: Includes a manual reset input (active-low) for system flexibility and control.
4. Time Delay: Provides a fixed reset delay time of 200ms, ensuring stable system start-up.
5. Low Supply Current: Operates with a low typical supply current of 15 µA, making it power-efficient.
6. Temperature Range: Operates over a wide temperature range from -40°C to +85°C, suitable for various environmental conditions.
7. Small Package: Available in a compact SOT-23 package, ideal for space-constrained applications.
8. Push-Pull Output: Features a push-pull output configuration for driving loads directly.
These features make the TPS3823A-33DBVR ideal for applications requiring reliable voltage monitoring and system reset functions, such as microprocessors, embedded systems, and industrial equipment.

Package

The TPS3823A-33DBVR is a voltage supervisor IC from Texas Instruments and is packaged in a SOT-23-5 (Small Outline Transistor) package. This compact package type is commonly used for surface-mount applications.

Pinout

The TPS3823A-33DBVR is a supervisory circuit manufactured by Texas Instruments. It comes in a 5-pin SOT-23 package. Its primary function is to monitor the supply voltage in microcontroller and digital systems to ensure that they are operating safely and reliably. Specifically, it provides a reset signal when the monitored voltage drops below a specified threshold, which in the case of the TPS3823A-33 is 3.3V. This helps in protecting the electronic systems from brownout or power failure conditions.
Here's a brief description of the pin functions:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (MR): Manual reset input, active low (optional).
3. Pin 3 (RESET): Reset output, active low.
4. Pin 4 (VDD): Supply voltage input.
5. Pin 5 (NC): No connect, or sometimes used for specific functions depending on the exact variant.
This device plays a crucial role in ensuring systems reset correctly and recover from voltage anomalies.

Manufacturer

The TPS3823A-33DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a range of analog and embedded processing chips. These products are used in various applications, including industrial, automotive, personal electronics, and communications equipment. TI is recognized for its innovation and development in the semiconductor industry, focusing on creating technology that helps customers to improve their device performance and power efficiency.

Application

The TPS3823A-33DBVR is a voltage supervisor designed for monitoring system voltage levels. It is commonly used in applications such as microcontroller and microprocessor systems, portable and battery-powered devices, telecommunications equipment, and industrial control systems. Its primary role is to ensure reliable system operation by resetting the system when the monitored voltage falls below a specified threshold.

Equivalent

The TPS3823A-33DBVR is a voltage supervisor (reset IC) from Texas Instruments. Equivalent products include:
1. Microchip Technology's MCP130T-450I/TT
2. ON Semiconductor's NCP302LSN30T1G
3. STMicroelectronics' STM809T
4. Maxim Integrated's MAX809/810 series
These alternatives serve similar functions in voltage monitoring and reset applications, but always verify specifications and pin compatibility before replacing.

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