TPS3307-18D

Name: TPS3307-18D
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Triple-processor voltage supervisor

5,880 Effective Inventory

TPS3307-18D

Effective Inventory5,880

Triple-processor voltage supervisor

Manufacturer Part # : TPS3307-18D
Package/Case: SOIC (D)-8
Brand: Texas Instruments
Product Categories : Supervisors
Series : TPS3307

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TPS3307-18D DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
75	$4.264	$319.80
30	$4.607	$138.21
10	$5.016	$50.16
1	$5.690	$5.69

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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TPS3307-18D Details

The TPS3307-18D is a voltage supervisor from Texas Instruments, designed for monitoring and controlling voltage levels in electronic systems. This device offers a fixed 1.8V threshold voltage with adjustable hysteresis, ensuring reliable operation and reset generation. It is housed in a small and space-saving package, making it suitable for compact designs.

Pinout

1 (RESET): Reset Output
2 (GND): Ground
3 (VDD): Supply Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Fixed Threshold Voltage: Offers a fixed 1.8V threshold voltage for precise voltage monitoring.
Adjustable Hysteresis: Allows for adjustable hysteresis settings to prevent false triggering.
Small Form Factor: Housed in a compact package for space-constrained applications.
Reset Generation: Capable of generating reset signals based on voltage levels.
Wide Operating Voltage Range: Operates over a wide voltage range for versatility.

Application

Power Management: Ideal for power supply monitoring and control systems.
Embedded Systems: Used in embedded applications to ensure stable operation.
Industrial Automation: Suitable for voltage monitoring in industrial automation systems.

Where to Use

The TPS3307-18D is suitable for applications that require precise voltage monitoring and reset generation. It is commonly used in power management systems, embedded electronics, and industrial automation for reliable voltage supervision.

How to Use

Connect the TPS3307-18D to your power supply and ground connections, ensuring proper voltage levels for monitoring. Use the RESET pin to trigger reset signals based on the voltage threshold and hysteresis settings. Refer to the datasheet for detailed usage instructions and configuration guidelines.

Application Circuit

The application circuit diagram for the TPS3307-18D illustrates how to integrate the voltage supervisor into your electronic system. It includes connections for power supply, ground, and reset signal generation, ensuring stable operation and reliable voltage monitoring.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

MAX823: A similar voltage supervisor with comparable features and functionality.
TL7705: An alternative voltage supervisor offering equivalent voltage monitoring capabilities.

Complementary

The TPS3307-18D can be complemented by the TPS3808G01, which provides additional supervision features and voltage monitoring options for enhanced system control.

When choosing complementary voltage supervisors, ensure compatibility with your specific application requirements for optimized performance.

Frequently Asked Questions

Q: What is the fixed threshold voltage of the TPS3307-18D?

A: The TPS3307-18D has a fixed threshold voltage of 1.8V. For more details, refer to the datasheet for specific operating conditions.

Q: Can the TPS3307-18D be used in industrial automation systems?

A: Yes, the TPS3307-18D is suitable for industrial automation applications, providing reliable voltage monitoring and reset generation capabilities.

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	3	Threshold voltage 1 (typ) (V)	1.25, 1.68, 2.25, 2.93, 4.55
Features	Complimentary output, Manual reset capable, Reset time delay, Separate VDD & sense, Undervoltage monitor only	Reset threshold accuracy (%)	3.2
Iq (typ) (mA)	0.04	Output driver type/reset output	Active-high, Active-low, Push-Pull
Time delay (ms)	200	Supply voltage (min) (V)	2
Supply voltage (max) (V)	6	Rating	Catalog
Watchdog timer WDI (s)	None	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.

Preliminary Specification TPS3307-18D PDF Download

FAQs

What is TPS3307-18D?

The TPS3307-18D is a voltage supervisor and watchdog timer with an adjustable threshold voltage, designed by Texas Instruments. It is ideal for monitoring and controlling the power supply voltage in microcontroller and digital systems to ensure proper system operation and reliability.

How Does TPS3307-18D Work?

The TPS3307-18D operates by continuously monitoring the system voltage and asserting a reset signal to the microcontroller or other system components when the voltage falls below a specified threshold. The adjustable threshold voltage allows flexibility in setting the voltage level at which the reset signal is triggered. Additionally, the watchdog timer function monitors the microcontroller operation, providing a reset signal if the controller fails to periodically reset the timer.

How Many Pins does TPS3307-18D have and What are the Functions of the Pinout Configuration?

The TPS3307-18D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

MR: Manual reset input pin.
GND: Ground pin.
RESET: Reset output pin.
DO: Watchdog timer digital output pin.
VDD: Power supply input pin.
CT: External capacitor connection for adjustable reset time delay.
TT: External capacitor connection for watchdog timer period selection.

What are the Pros and Cons of TPS3307-18D?

Pros:

Versatility: Features adjustable threshold voltage and programmable reset time delay for versatile system monitoring.
Integrated Functions: Combines voltage supervision and watchdog timer functions in a single device, reducing component count and board space.
High Accuracy: Provides precise monitoring of the system voltage and microcontroller operation.
Reset Output Options: Offers both push-pull and open-drain reset output options for flexibility in system integration.
Wide Operating Range: Operates over a wide voltage range, suitable for various system requirements.

Cons:

External Components: May require external capacitors for adjustable reset time delay and watchdog timer period.
Complexity: Requires careful consideration of timing parameters for proper operation in the system.

Are There Any Equivalents/Alternatives to TPS3307-18D for Recommendation?

The MAX823 from Maxim Integrated is a similar voltage supervisor and watchdog timer with adjustable threshold voltage.
Alternatives to the TPS3307-18D include the ADM803 from Analog Devices and the MIC803 from Microchip Technology.