TPS3808G33DBVT

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TPS3808G33DBVT

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IC SUPERVISOR 1 CHANNEL SOT23-6

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  • Gói SOT-23 (DBV)-6

  • Có sẵn2534

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 3.07V
Output Open Drain or Open Collector
Reset Active Low
ResetTimeout Adjustable/Selectable
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-23-6

Tổng quan

Description

The TPS3808G33DBVT is a precision voltage supervisor from Texas Instruments designed to monitor system voltages in a range of electronic applications. It is part of the TPS3808 family, known for its accurate voltage detection and low power consumption. Specifically, the TPS3808G33DBVT supervises a 3.3V voltage rail with a threshold voltage of 2.93V, providing a reset signal to ensure proper system initialization during power-up, power-down, and brownout conditions.
Key features include a low quiescent current of 2.4 µA, adjustable delay time via an external capacitor, and an active-low, open-drain reset output. The device operates over a wide temperature range from -40°C to 125°C, making it suitable for industrial applications. Encased in a compact SOT-23-6 package, the TPS3808G33DBVT is ideal for space-constrained designs. Its reliability and accuracy make it a good choice for microcontroller and DSP-based systems where precise voltage monitoring is critical.

Equivalent

The TPS3808G33DBVT is a precision voltage supervisor with a 3.3V threshold. Equivalent products include:
1. ADM6315-33D3ARTZ-R7 from Analog Devices: Offers similar functionality in voltage monitoring.
2. STM706T/S/R series from STMicroelectronics: Provides comparable threshold and reset capabilities.
3. MCP131T-300I/TT from Microchip: Features similar voltage detection and reset functions.
Always verify compatibility with specific application requirements, such as pin configuration and voltage thresholds, before choosing an equivalent.

Features

The TPS3808G33DBVT is a precision voltage supervisor designed to monitor system voltages as low as 0.4V. Key features include:
1. Adjustable Reset Thresholds: Offers programmable reset threshold flexibility, accommodating a wide range of voltage levels.

2. Low Quiescent Current: Consumes minimal power, making it suitable for battery-powered applications.
3. High Accuracy: Provides a threshold accuracy of ±0.5%, ensuring reliable system monitoring.
4. Reset Timeout Period: Features a programmable reset delay, giving flexibility for system stabilization.
5. Supply Voltage Range: Operates over a wide supply voltage range, typically from 1.8V to 6.5V.
6. Push-Pull / Open-Drain Output Options: Available in both output configurations for design versatility.
7. Package Type: Comes in a compact SOT-23-6 package, ideal for space-constrained applications.
8. Temperature Range: Supports an extended temperature range from -40°C to +125°C, making it suitable for harsh environments.
These features make the TPS3808G33DBVT well-suited for applications requiring precise voltage monitoring and reliable system resets, such as microcontrollers and DSPs.

Pinout

The TPS3808G33DBVT is part of the TPS3808 family, which are precision voltage supervisors manufactured by Texas Instruments. This device typically comes in a 6-pin SOT-23 (DBV) package.
The key functions of the TPS3808G33DBVT include:
1. Voltage Monitoring: It monitors supply voltages of 3.3V, providing a reset signal when the voltage goes below a preset threshold. This ensures the system operates within safe voltage levels and protects against undervoltage conditions.
2. Reset Output: It features an active-low reset output that is asserted when the monitored voltage drops below the threshold, and it remains asserted for a fixed period after the voltage returns to normal levels. This reset delay time is programmable with an external capacitor.
3. High Accuracy and Low Supply Current: The device is designed to offer high accuracy with a low supply current, making it suitable for power-sensitive applications.
These features are critical for ensuring system reliability and preventing data corruption or system crashes in microcontroller and microprocessor-based systems.

Manufacturer

The TPS3808G33DBVT is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the world's largest producers of analog technology components and digital embedded processors, serving sectors such as automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its innovation in the electronics industry and has a significant influence on the advancement of electronic products through its extensive range of offerings.

Application

The TPS3808G33DBVT is a precision voltage supervisor used in various applications to ensure system reliability and proper operation by monitoring power supply voltages. Common application areas include:
1. Microcontroller and Microprocessor Systems: Ensures safe operation by monitoring core and I/O voltage levels.
2. Consumer Electronics: Used in devices like smartphones and tablets to prevent data corruption during power fluctuations.
3. Industrial Equipment: Maintains stability in automated systems by monitoring critical voltage levels.
4. Telecommunications: Protects network equipment from voltage variations.
5. Computing Systems: Ensures stable power for memory and processors in laptops and servers.
These applications benefit from its accurate voltage threshold detection and low power consumption.

Package

The TPS3808G33DBVT is a voltage supervisor IC from Texas Instruments, featuring adjustable threshold and a delay timer. It comes in a small SOT-23-6 package, making it compact for space-constrained applications.

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