What is the Additional Feature ?

Name: TPS3705-50D
Brand: Texas Instruments
SKU: TPS3705-50D
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 TPS3705-50D

Part No.:: TPS3705-50D

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: TPS3705-50D.pdf

Description:: IC SUPERVISOR 1 CHANNEL 8SOIC

In Stock:: 122

Quantity:: Add To Cart

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TPS3705-50D Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Simple Reset/Power-On Reset
NumberofVoltagesMonitored:
1
Voltage-Threshold:
4.55V
Output:
Push-Pull, Totem Pole
Reset:
Active Low
ResetTimeout:
140ms Minimum
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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TPS3705-50D information

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TPS3705-50D Typical application Circuitry

TPS3705-50D

The TPS3705-50D is a supervisory circuit designed for voltage monitoring in electronic systems. TPS3705-50D Its primary function is to keep a check on system voltages, triggering a reset when these voltages fall outside predefined thresholds, thus ensuring system reliability and stability.

Application Scenarios

1. Server Systems: In data centers, it's used to monitor server power rails, safeguarding against voltage anomalies that could lead to system crashes or data corruption.

2. Consumer Electronics: In devices like set-top boxes and gaming consoles, ensuring power supply stability.

Key Parameters and Characteristics

- Dual Voltage Monitoring: Capable of supervising two separate voltage sources simultaneously.

- Adjustable Reset Thresholds: Provides the flexibility to set specific voltage thresholds.

- Low Power Consumption: Suitable for devices where minimizing energy usage is crucial.

- Watchdog Timer: An extra feature for system integrity checks.

- Broad Voltage Operating Range: Compatible with various power supply levels.

- Manual Reset Option: Allows user-initiated system resets.

- Compact Design: Fits easily into space-constrained circuit layouts.

- Power-On Reset Function: Ensures system stability from the initial power-up phase.

Detailed Circuit Connection for Server Systems

1. Voltage Sensing Inputs (SENSE1, SENSE2 Pins): Connect SENSE1 to the primary server power rail and SENSE2 to a backup power rail to monitor both simultaneously.

2. Grounding (GND Pin): Attach this pin to the server's ground for a stable reference point.

3. Reset Output (RESET Pin): Interface with the server's reset control system to initiate a reset when voltages go out of the set range.

4. Power Supply (VDD Pin): Link this pin to a stable power source within the server for powering the supervisory circuit.

5. Watchdog Timer (WDI Pin): Connect to a periodic signal from the server's motherboard to feed the watchdog.

6. Manual Reset Input (MR Pin): Wire this pin to a manual reset switch accessible to server technicians.

7. Bypass Capacitor (Across VDD and GND): Implement a capacitor to stabilize the power supply and minimize electrical noise.

8. Watchdog Configuration (CT Pin): Add a capacitor to set the watchdog timer as per system requirements.

Design Considerations

- Voltage Threshold Precision: Critical for effective voltage monitoring and system safety.

- Energy Efficiency: Key in server environments to maintain low power consumption.

- Reset Timing Accuracy: Ensuring the TPS3705-50D reset timing aligns with the server's recovery processes.

- Electromagnetic Compatibility: Minimizing interference in the electrically noisy environment of data centers.

- Thermal Management: Maintaining performance within the server's operational temperature range.

- Manual Reset Accessibility: Providing a convenient manual reset option for maintenance.

- Integration with Server Architecture: Fitting the chip within the limited space and layout of server racks.

- Watchdog Timer Reliability: Configuring it to enhance overall system stability and prevent lock-ups.

Incorporating the TPS3705-50D into server systems involves a comprehensive approach focused on these considerations. Its dual-supply monitoring and reset features are critical in maintaining the operational integrity of servers, especially in scenarios where consistent power and voltage stability are paramount.

TPS3705-50D FAQ

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6. What is the process for return or replacement of TPS3705-50D?

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 TPS3705-50D we delivered, we will accept the replacement or return of the TPS3705-50D 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 TPS3705-50D.

(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