TPS3828-33DBVT
Voltage monitor with watchdog timerTPS3828-33DBVT
Voltage monitor with watchdog timer
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Manufacturer Part # : TPS3828-33DBVT
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Package/Case: SOT-23 (DBV)-5
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Brand: Texas Instruments
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Product Categories : Supervisors
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TPS3828-33DBVT DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $0.556 | $0.56 |
10 | $0.473 | $4.73 |
30 | $0.437 | $13.11 |
250 | $0.377 | $94.25 |
500 | $0.357 | $178.50 |
1000 | $0.345 | $345.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The TPS3828-33DBVT is a voltage supervisor and reset IC from Texas Instruments. It operates at a fixed threshold voltage of 3.08V and has an accuracy of ±2%. This device provides a reset signal whenever the monitored voltage drops below the set threshold, ensuring proper system functionality and reliability.The TPS3828-33DBVT has a low quiescent current consumption of 15μA, making it suitable for battery-powered and energy-efficient applications. It also features a manual reset input for external system monitoring and a watchdog timer to prevent system failures due to code execution errors.This voltage supervisor IC is available in a small SOT-23 package, making it ideal for space-constrained applications. It operates over a wide temperature range of -40°C to 125°C, ensuring reliability in harsh environments.
![](/files/uploads/product/b/2159329d29e742589c934490baf4a17a.webp)
Key Features
- Compact voltage supervisor for small form factors
- Fixed threshold voltage ensures reliable detection
- Power-on reset and watchdog enable safe shutdown
- Small SOT-23 package saves board space
Application
- TPS3828-33DBVT for reliable voltage monitoring
- Industrial control systems benefit from TPS3828-33DBVT
- Prevent damage with accurate voltage monitoring
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of supplies monitored | 1 | Threshold voltage 1 (typ) (V) | 2.93, 4.55 |
Features | Manual reset capable, Watchdog timer | Reset threshold accuracy (%) | 2.4 |
Iq (typ) (mA) | 0.015 | Output driver type/reset output | Active-low, Open-drain |
Time delay (ms) | 200 | Supply voltage (min) (V) | 1.1 |
Supply voltage (max) (V) | 5.5 | Rating | Catalog |
Watchdog timer WDI (s) | 1.6 | Operating temperature range (°C) | -40 to 85 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TPS3828-33DBVT?
The TPS3828-33DBVT is a supervisory circuit with manual reset input designed by Texas Instruments. It is commonly used to monitor system voltage levels and provide a reset signal to the microcontroller or other digital logic when necessary. The device is particularly suitable for applications requiring accurate voltage monitoring and robust reset functionality.
How Does TPS3828-33DBVT Work?
The TPS3828-33DBVT operates by continuously monitoring the system voltage and comparing it to a preset threshold. When the voltage falls below the threshold, the device asserts a reset signal to the connected microcontroller, initiating a reset sequence. The manual reset input allows external control for added flexibility in system reset management.
How Many Pins does TPS3828-33DBVT have and What are the Functions of the Pinout Configuration?
The TPS3828-33DBVT is housed in a 5-pin SOT-23 (Small Outline Transistor) package. The pinout configuration includes:
- RESET: Reset output pin.
- MR: Manual reset input pin.
- GND: Ground pin.
- VDD: Power supply pin.
- SENSE: Voltage sense input pin.
What are the Pros and Cons of TPS3828-33DBVT?
Pros:
- Accurate Voltage Monitoring: Provides precise voltage threshold monitoring for reliable system reset management.
- Manual Reset Input: Offers external control for manual reset initiation, enhancing system flexibility.
- Robust Performance: Ensures reliable operation in harsh industrial environments.
- Compact Package: The SOT-23 package is space-efficient and suitable for compact designs.
Cons:
- External Components: May require additional external components for specific application requirements.
Are There Any Equivalents/Alternatives to TPS3828-33DBVT for Recommendation?
- The MAX823 from Maxim Integrated is a similar supervisory circuit providing voltage monitoring and reset functionality.
- An alternative to the TPS3828-33DBVT is the ADM811 from Analog Devices, offering comparable features for system monitoring and reset control.
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