Overview
The TPS2480PWR is a hot-swap controller manufactured by Texas Instruments, designed to manage inrush currents and protect both the load and the external MOSFET from overcurrent or short-circuit events. This component is housed in a TSSOP-20 package and is widely used in applications requiring precise voltage, current, and power monitoring. Its target user groups include engineers and designers working on servers, hard drives, storage networks, and base stations. The TPS2480PWR stands out for its high accuracy current monitoring and dynamic calibration capabilities, making it a competitive choice for robust power management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 9 to 26 | V | Continuous operation |
| Current Limit Range | 0.01 to 500 | A | Adjustable |
| Overcurrent Response | Circuit breaker, Current limiting | - | - |
| Fault Response | Latch-off | - | - |
| Power Good Output | Open Drain | - | - |
| Monitoring Interface | I2C | - | Voltage, current, and power |
| Accuracy | 1% | - | Over temperature |
| Package | TSSOP-20 | - | - |
Key Features
- Programmable FET power limit for safe operation.
- External N-channel FET gate drive for flexibility.
- Programmable fault timer for customizable fault handling.
- High accuracy current monitoring (1% over temperature).
- Dynamic calibration for enhanced performance.
- I2C interface for real-time monitoring of voltage, current, and power.
Applications
The TPS2480PWR is ideal for use in servers, hard drives, storage networks, and base stations. Its ability to minimize inrush currents and protect against overcurrent events makes it particularly valuable in high-reliability systems. Additionally, its precise monitoring capabilities ensure optimal performance in power-sensitive applications.
Q & A
What is the input voltage range of the TPS2480PWR?
The input voltage range is 9V to 26V for continuous operation.
How does the TPS2480PWR handle overcurrent events?
It uses a circuit breaker and current limiting mechanism to handle overcurrent events.
What is the fault response mechanism?
The fault response mechanism is latch-off, which ensures the system remains protected.
Does the TPS2480PWR support real-time monitoring?
Yes, it supports real-time monitoring of voltage, current, and power via an I2C interface.
What is the accuracy of the current monitoring feature?
The current monitoring feature has an accuracy of 1% over temperature.
Can the current limit be adjusted?
Yes, the current limit is adjustable from 0.01A to 500A.
What is the package type of the TPS2480PWR?
It comes in a TSSOP-20 package.
Is the TPS2480PWR suitable for server applications?
Yes, it is well-suited for server applications due to its robust power management features.
What is the purpose of the Power Good output?
The Power Good output is used for sequencing and load fault indication.
Does the TPS2480PWR support dynamic calibration?
Yes, it supports dynamic calibration to enhance performance.
