TPS3307-33D

Name: TPS3307-33D
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Supervisory Circuits TRIPLE PROCESSOR

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TPS3307-33D

Effective Inventory4,584

Supervisory Circuits TRIPLE PROCESSOR

Manufacturer Part # : TPS3307-33D
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Supervisors
Series : TPS3307

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TPS3307-33D DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1000	$1.669	$1,669.00
500	$1.693	$846.50
100	$1.748	$174.80
30	$1.865	$55.95
10	$1.981	$19.81
1	$2.177	$2.18

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

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TPS3307-33D Details

The TPS3307-33D is a voltage supervisor IC from Texas Instruments, designed to monitor the power supply voltage and provide reset signals in microcontroller-based systems. This device offers a fixed reset threshold of 3.3V, ensuring reliable system initialization and operation. It is housed in a small SOT-23 package, making it suitable for space-constrained applications.

Pinout

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

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

Key Features

Voltage Monitoring: Monitors supply voltage and provides reset signals.
Fixed Reset Threshold: Offers a fixed reset threshold of 3.3V for consistent operation.
Small Package: Housed in a compact SOT-23 package for space-saving designs.
Low Power Consumption: Designed for low power operation to minimize energy usage.
Wide Operating Temperature Range: Operates over a wide temperature range for versatility.

Application

Microcontroller Systems: Ideal for use in microcontroller-based systems requiring reliable voltage monitoring.
Embedded Systems: Suitable for embedded applications where system stability is critical.
Power Management: Used in power management circuits for efficient supply monitoring.

Where to Use

The TPS3307-33D is suitable for applications that require precise voltage supervision and reset functionality, especially in microcontroller and embedded systems. It ensures proper system initialization and stable operation.

How to Use

Connect the TPS3307-33D to your power supply and microcontroller by wiring the VCC, GND, and RESET pins accordingly. The device will monitor the supply voltage and generate a reset signal when necessary. Refer to the datasheet for detailed usage guidelines and connection information.

Application Circuit

The application circuit diagram for the TPS3307-33D illustrates how to integrate the voltage supervisor into your system. It includes connections for power supply, ground, and the reset output, ensuring reliable voltage monitoring and reset functionality.

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

Equivalents

MAX809: A comparable voltage supervisor IC with similar features and performance.
TL7705: An alternative device offering voltage monitoring and reset capabilities.

Complementary

The TPS3307-33D can be complemented by the TPS3808G01, a supervisor IC with adjustable reset thresholds and additional features for enhanced system monitoring.

When selecting complementary devices, ensure compatibility and alignment with your system requirements for optimal performance.

Frequently Asked Questions

Q: What is the reset voltage threshold of the TPS3307-33D?

A: The TPS3307-33D has a fixed reset threshold of 3.3V for reliable system reset functionality. Consult the datasheet for more precise details on operating conditions.

Q: Can the TPS3307-33D be used in battery-powered applications?

A: Yes, the TPS3307-33D is suitable for battery-operated systems requiring voltage monitoring and reset capabilities. Ensure proper power supply connections for efficient operation.

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 TPS3307-33D PDF Download

FAQs

What is TPS3307-33D?

The TPS3307-33D is a voltage supervisor and watchdog timer IC designed by Texas Instruments. It is designed to monitor the voltage level of a system and provide a reset signal if the voltage falls below a specified threshold. The watchdog timer function ensures system integrity by resetting the system in the event of a software or hardware malfunction.

How Does TPS3307-33D Work?

The TPS3307-33D works by continuously monitoring the system voltage and comparing it to a pre-set threshold. If the voltage falls below the threshold, the device asserts a reset signal to initiate a system reset. Additionally, the watchdog timer function monitors the microcontroller or processor activity and resets the system if it detects a fault or lock-up condition, thus ensuring system reliability.

How Many Pins does TPS3307-33D have and What are the Functions of the Pinout Configuration?

The TPS3307-33D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VDD, VDDX: Power supply pins for device operation.
GND: Ground pin for device operation.
MR: Manual reset input pin.
RESET: Active-low reset output pin.
WDI: Watchdog input pin for the watchdog timer function.
CT: Watchdog timer adjustment pin.

What are the Pros and Cons of TPS3307-33D?

Pros:

Voltage Monitoring: Provides robust voltage monitoring and reset generation for enhanced system reliability.
Watchdog Timer: Includes a watchdog timer function to ensure system integrity and fault detection.
Wide Operating Range: Supports a wide supply voltage range for versatile applications.
Low Power Consumption: Operates with low power consumption for energy-efficient systems.
Compact Package: The 8-pin SOIC package is space-efficient and easy to integrate into system designs.

Cons:

External Components: May require additional external components for specific applications or to meet certain voltage threshold requirements.
Complexity: Requires careful consideration of timing and voltage threshold settings for proper operation.
Programming: Configuration of the watchdog timer may require careful consideration of timing requirements.

Are There Any Equivalents/Alternatives to TPS3307-33D for Recommendation?

The TPS3808 from Texas Instruments is a similar voltage supervisor and watchdog timer IC with additional features.
Alternatives to the TPS3307-33D include the MAX823 from Maxim Integrated and the ADM6820 from Analog Devices.