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TPS3828-33DBVT
Voltage monitor with watchdog timer
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製造商零件號 # : TPS3828-33DBVT
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包裝/封裝: SOT-23 (DBV)-5
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製造商: Texas Instruments
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產品分類 : Supervisors
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TPS3828-33DBVT 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 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 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
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.
主要特徵
- 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
應用
- TPS3828-33DBVT for reliable voltage monitoring
- Industrial control systems benefit from TPS3828-33DBVT
- Prevent damage with accurate voltage monitoring
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| 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 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
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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