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Name: TLV803SDBZR
Brand: Texas Instruments
SKU: TLV803SDBZR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments TLV803SDBZR

Part No.:: TLV803SDBZR

Manufacturer:: Texas Instruments

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: TLV803SDBZR.pdf

Description:: IC SUPERVISOR 1 CHANNEL SOT23-3

In Stock:: 25204

Quantity:: Add To Cart

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TLV803SDBZR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Simple Reset/Power-On Reset
NumberofVoltagesMonitored:
1
Voltage-Threshold:
2.93V
Output:
Open Drain or Open Collector
Reset:
Active Low
ResetTimeout:
120ms Minimum
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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TLV803SDBZR information

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TLV803SDBZR Typical application Circuitry

TLV803SDBZR

The TLV803SDBZR is a voltage supervisory integrated circuit (IC) developed by Texas Instruments. It's designed to monitor voltage levels and provide a reset signal to microcontrollers or digital systems when voltage falls below a predefined threshold. This IC is commonly used in applications requiring reliable system operation under varying power conditions, such as in embedded systems, consumer electronics, automotive control units, and industrial equipment.

Key Features of TLV803SDBZR:

1. Voltage Monitoring: Precision voltage sensing for system reliability.

2. Adjustable Threshold Voltage: Allows setting specific voltage thresholds for monitoring.

3. Reset Output Signal: Provides a reset signal output when voltage drops below the set threshold.

4. Low Power Consumption: Ideal for power-sensitive applications.

5. Wide Operating Voltage Range: Compatible with a variety of supply voltages.

6. Fast Response Time: Quick detection and response to voltage level changes.

7. Compact Package: Available in a small SOT-23 package, suitable for space-limited applications.

8. Robust Operation: Designed to operate reliably in diverse environments.

Application Scenario: Embedded System Power Monitoring

In an embedded system, such as a microcontroller-based device, the TLV803SDBZR can be used to monitor the supply voltage and ensure stable operation.

Detailed Circuit Connection:

1. Power Supply Connection:

- Voltage Input: Connect the supply voltage (e.g., 3.3V or 5V) to the VDD pin of the TLV803SDBZR.

- Grounding: Attach the GND pin to the system ground.

2. Threshold Voltage Setting:

- Threshold Configuration: Use external resistors (R1 and R2) connected to the SENSE pin to set the desired threshold voltage based on the IC's specifications.

3. Reset Output Configuration:

- Connection to Microcontroller: Link the RESET pin of the TLV803SDBZR to the reset pin of the microcontroller. The RESET pin goes low when the monitored voltage drops below the threshold.

4. Bypass Capacitor:

- Stabilization: Place a bypass capacitor (e.g., 0.1 µF) close to the TLV803SDBZR between the VDD and GND pins for noise reduction.

Design Considerations:

1. Threshold Accuracy: Calculate resistor values accurately for precise threshold voltage setting.

2. Power Supply Stability: Ensure the power supply is free from excessive noise or fluctuations.

3. Capacitor Quality: Select high-quality capacitors to minimize noise and voltage spikes.

4. Response Time: Consider the IC's response time for critical applications where immediate reaction is required.

5. System Compatibility: Ensure the reset logic level matches the microcontroller's requirements.

6. PCB Layout: Optimize the PCB layout for minimal trace lengths and electromagnetic interference.

7. Environmental Factors: Account for temperature variations and other environmental factors that might affect the IC's performance.

8. Regulatory Compliance: Design the circuit to meet relevant safety and performance standards.

Conclusion

Integrating the TLV803SDBZR into an embedded system for power supply monitoring ensures enhanced system reliability and stability. Attention to accurate threshold setting, power supply quality, capacitor selection, response timing, system compatibility, PCB layout optimization, environmental considerations, and compliance with standards is essential for developing a robust and efficient monitoring solution.

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6. What is the process for return or replacement of TLV803SDBZR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TLV803SDBZR we delivered, we will accept the replacement or return of the TLV803SDBZR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TLV803SDBZR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations