What is the Additional Feature ?

Name: TPS3103K33DBVR
Brand: Texas Instruments
SKU: TPS3103K33DBVR
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 TPS3103K33DBVR

Part No.:: TPS3103K33DBVR

Manufacturer:: Texas Instruments

Package:: SOT-23-6

Datasheet:: TPS3103K33DBVR.pdf

Description:: IC SUPERVISOR 1 CHANNEL SOT23-6

In Stock:: 3667

Quantity:: Add To Cart

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TPS3103K33DBVR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Type:
Simple Reset/Power-On Reset
NumberofVoltagesMonitored:
1
Voltage-Threshold:
2.941V
Output:
Open Drain or Open Collector
Reset:
Active Low
ResetTimeout:
65ms Minimum
OperatingTemperature:
-40°C ~ 85°C (TJ)
MountingType:
Surface Mount

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TPS3103K33DBVR information

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TPS3103K33DBVR Typical application Circuitry

TPS3103K33DBVR is an ultra-low power supply voltage supervisor or reset IC. It primarily monitors a system's supply voltage and generates a reset signal if the supply voltage falls below a predetermined threshold.

Application Scenarios:

The TPS3103K33DBVR finds its application in various electronic systems including microcontroller systems, portable electronics, communication systems, and industrial control systems, essentially in devices that require a reset mechanism in the event of a voltage drop or power outage.

Key Features:

1. Ultra-low power consumption.

2. Precision supply voltage monitoring.

3. Programmable reset delay.

4. Manual reset capability.

5. Battery backup switchover.

Application Example – Microcontroller System Monitoring:

1. Supply Voltage Connection:

- Connect the `VDD` pin of the TPS3103K33DBVR directly to the system's power supply, ensuring it monitors the supply voltage consistently.

2. Reset Output:

- The `RESET` pin provides a low-active reset signal. Connect this pin directly to the reset input of your microcontroller. When the supply voltage drops below the threshold, this pin will go low, initiating a reset.

3. Ground:

- The `GND` pin should be properly connected to the system's ground.

4. Manual Reset:

- For systems that require manual reset capability, the `MR` pin (Manual Reset) can be connected to a push-button switch that links to the ground. Pushing this button will ground the `MR` pin, triggering a reset.

5. Delay Capacitor:

- Connect a capacitor to the `CT` pin to set a reset time delay. The delay time is directly proportional to the capacitor value, allowing you to fine-tune when the reset occurs after a voltage drop.

Considerations in Circuit Design:

1. Filtering: Considering the sensitivity of the TPS3103K33DBVR, it's crucial to use filtering capacitors on the VDD pin to filter out high-frequency noise.

2. Component Placement: The TPS3103K33DBVR and its associated components (like capacitors) should be placed closely together on the PCB to minimize trace resistance and inductance.

3. Decoupling Capacitors: Like most ICs, using decoupling capacitors near the chip's power supply pins ensures stable operation.

4. Noise Consideration: Ensure that the TPS3103K33DBVR is kept away from high-frequency components to avoid false resets.

In conclusion, the TPS3103K33DBVR plays an essential role in ensuring system reliability by monitoring voltage and ensuring system resets during undesirable voltage conditions. Proper layout, component placement, and noise considerations are paramount for its effective operation.

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6. What is the process for return or replacement of TPS3103K33DBVR?

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 TPS3103K33DBVR we delivered, we will accept the replacement or return of the TPS3103K33DBVR 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 TPS3103K33DBVR.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations