TPS3705-33DGN
Supervisory Circuits w/ Power-FailTPS3705-33DGN
Supervisory Circuits w/ Power-Fail
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Manufacturer Part # : TPS3705-33DGN
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Package/Case: HVSSOP-8
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Brand: Texas Instruments
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Product Categories : Supervisors
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Service & Packaging
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TPS3705-33DGN DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
When it comes to ensuring the smooth operation of digital systems, the TPS3705-33DGN from Texas Instruments emerges as a reliable ally. Engineered to provide precise voltage monitoring capabilities, this integrated circuit offers a plethora of features that cater to the unique needs of microcontroller systems and DSPs. The device's voltage threshold monitor with hysteresis guarantees consistent reset generation during power fluctuations, safeguarding the integrity of the system. Its wide supply voltage range of 2.5V to 18V and fixed threshold voltage of 3.3V make it a versatile choice for various digital applications. With a low quiescent current consumption and robust protection against voltage transients, the TPS3705-33DGN prioritizes both energy efficiency and system stability. The inclusion of a manual reset input further enhances its flexibility, allowing for precise control over reset functions. Packaged in a compact 8-pin MSOP (DGN) package, this IC offers a space-saving solution without compromising on performance. In essence, the TPS3705-33DGN emerges as a valuable asset for system designers seeking a dependable voltage supervisor IC with advanced capabilities
Key Features
- The TPS37X-XXDGN devices are designed for monitoring power supply voltages in microcontroller-based systems
- They provide a low quiescent current of 7 µA, ideal for battery-powered applications
- This reduces overall system power consumption and extends battery life
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 | 2 | Threshold voltage 1 (typ) (V) | 2.63, 2.93, 4.55 |
Features | Manual reset capable, PFI/PFO, Watchdog timer | Reset threshold accuracy (%) | 3 |
Iq (typ) (mA) | 0.03 | Output driver type/reset output | Active-low, Push-Pull |
Time delay (ms) | 200 | Supply voltage (min) (V) | 2 |
Supply voltage (max) (V) | 6 | Rating | Catalog |
Watchdog timer WDI (s) | 1.6 | Operating temperature range (°C) | -40 to 125, -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 TPS3705-33DGN?
The TPS3705-33DGN is a voltage supervisor and reset generator integrated circuit manufactured by Texas Instruments. It is designed to monitor the power supply voltage of a system and provide a reset signal to the microcontroller or other digital devices when the voltage falls below a predefined threshold. This helps ensure proper operation during power-up and power-down sequences.
How Does TPS3705-33DGN Work?
The TPS3705-33DGN works by comparing the monitored voltage with a reference threshold. When the voltage drops below the threshold, the reset output is asserted, keeping the digital circuitry in a reset state until the voltage rises above the threshold. This ensures reliable operation during power fluctuations and prevents erratic behavior due to insufficient power supply voltage.
How Many Pins does TPS3705-33DGN have and What are the Functions of the Pinout Configuration?
The TPS3705-33DGN is housed in an 8-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:
- VCC: Power supply input pin.
- GND: Ground reference pin.
- MR: Manual reset input pin.
- VIT: Voltage input pin to be monitored.
- RESET: Reset output pin.
What are the Pros and Cons of TPS3705-33DGN?
Pros:
- Reliable Reset Function: Provides a stable reset output to ensure proper power-on reset functionality.
- Low Power Consumption: Operates with very low power, suitable for battery-powered devices.
- Wide Voltage Monitoring Range: Can monitor a wide range of input voltages for versatile applications.
- Compact Package: The 8-pin MSOP package is space-efficient, suitable for compact designs.
Cons:
- External Components: May require additional external components for specific voltage threshold settings and time delay configurations.
Are There Any Equivalents/Alternatives to TPS3705-33DGN for Recommendation?
- The MAX823 from Maxim Integrated is a similar voltage supervisor IC offering comparable functionality.
- Alternatives to the TPS3705-33DGN include the ADM811 from Analog Devices and the MCP809 from Microchip Technology.
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