
Allicdata Part #: | 296-37760-2-ND |
Manufacturer Part#: |
TPS25200DRVT |
Price: | $ 0.68 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC PWR MGR EFUSE 6.5V 2.8A 6SON |
More Detail: | Hot Swap Controller 1 Channel General Purpose 6-SO... |
DataSheet: | ![]() |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
250 +: | $ 0.61765 |
500 +: | $ 0.54583 |
1250 +: | $ 0.43092 |
Features: | Auto Retry, UVLO |
Base Part Number: | TPS25200 |
Feature Pins: | /Fault, ILIM |
Supplier Device Package: | 6-SON (2x2) |
Package / Case: | 6-WDFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C |
Current - Output (Max): | 2.5A |
Voltage - Supply: | 2.5 V ~ 6.5 V |
Programmable Features: | Current Limit |
Series: | -- |
Applications: | General Purpose |
Internal Switch(s): | Yes |
Number of Channels: | 1 |
Type: | Hot Swap Controller |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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TPS25200DRVT Application Field and Working Principle
The TPS25200DRVT is a hot swap controller designed to manage a wide variety of external power supply (EPS) or load requirements. For load applications, the TPS25200DRVT helps to ensure that powering up the load is done safely and correctly, while in power supply applications, the device protects the EPS from overloading. The TPS25200DRVT is optimized to drive simple and low power loads.
Features
- Supports overvoltage, active current limit and overcurrent fault conditions
- Two digital and one analog fault protections with single to two-phase gate drive for hot swap overcurrent protection
- Ground-referenced driver output
- Flexible power supply sequencing with power-on reset (POR) support
- Dual-channel overcurrent protection
- Programmable inrush current control
- High-speed current sharing
- Accepts input voltage from 5V to 40V
- Thermal shutdown (TSD) and undervoltage lockout (UVLO) with hysteresis
- Less than 1μA total shutdown current
- ROHS-compliant and halogen-free package
Applications
- Hot-swappable servers
- Communication systems
- Storage arrays
- Routers
- Data centers
- Blade servers
- Systems relying on redundant power supplies
Working Principle
The TPS25200DRVT is an Internal Gate Driver Hot Swap Controller with integrated MOSFET and Current Sense Amplifier. It incorporates two independent channels to protect the Active Load from power surges and overcurrent conditions. The TPS25200DRVT also provides enhanced safety features such as Overvoltage Protection (OVP), Active Voltage Clamping, Field Operable Current Limit (LOC) and Load Current Regulation (LCR).
The controller also has a programmable stepping time to adjust the time period between the application of power and when the load gets active. The Overvoltage Protection Circuit provides safe-turn on and turn-off of the Hot-Swap device. It also increases the protection level in case of a short circuit or an overcurrent condition. In addition, it provides Current Limit Regulation (CLR) to maintain the current drawn by the load.
The MOSFET has an on-board current sense amplifier that helps in monitoring the current drawn by the load. The amplifier is essentially an operational amplifier with voltage followers for low offset and low-sensitivity applications. Its compensation and gain settings control the overall range and accuracy of the current measurement. The output of the current sense amplifier is fed to the TPS25200DRVT, which is used for detecting overcurrent and generating the fault status.
The TPS25200DRVT has a built-in overcurrent protection and active voltage clamps that help to avoid catastrophic failures in case of load misbehaviours and/or system malfunctions. The device also has a safety timer that provides a delay between the application of power and when the device is enabled, helping to avoid inrush current surges.
The TPS25200DRVT has an integrated overvoltage protection circuit that monitors the output voltage and shuts the device off in case of an overvoltage condition, thus providing an additional level of protection. The device can handle output voltage up to 40V, which makes it suitable for a wide range of applications.
Conclusion
The TPS25200DRVT is a hot swap controller that provides enhanced safety features for a wide range of applications. It features overvoltage protection, active current limit and overcurrent fault conditions. The integrated MOSFET and current sense amplifier helps in monitoring the current drawn by the load and provides a safe turn-on and turn-off of the Hot-Swap device. The device also has a programmable stepping time to adjust the time period between the application of power and when the load gets active. The TPS25200DRVT is a useful and robust Hot Swap Controller for hot-swappable servers, communication systems, storage arrays, routers, data centers and systems relying on redundant power supplies.
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