Overview
The TPS2492PWR, produced by Texas Instruments, is a high-voltage hot swap controller designed to safely manage load current in various power supply applications. This 14-pin TSSOP (Thin Shrink Small Outline Package) device operates within a voltage range of 9V to 80V, making it suitable for a wide range of high-voltage systems. The controller is equipped with features such as programmable power limit, current limit, and fault timer, ensuring the external N-channel FET and the load are protected from overcurrent conditions. It also includes an analog current monitor output, enabling precise monitoring of load current with an external A/D converter.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TSSOP (PW) - 14 pins |
| Operating Temperature Range (°C) | -40 to 125 |
| Minimum Operating Supply Voltage | 9 V |
| Maximum Operating Supply Voltage | 80 V |
| Current Limit Range | 0.01 A to 500 A |
| Power Good and Fault Outputs | Yes |
| Enable/UV, OV Inputs | Yes |
| Latch or Auto Restart After Fault | Yes |
| Analog Current Monitor Output | Yes |
Key Features
- 9-V to 80-V operation
- High-side drive for external N-channel FET
- Programmable FET power limit and load current limit
- Programmable fault timer
- Load current monitor output for use with an external A/D converter
- Power good and fault outputs
- Enable/UV, OV inputs
- Latch or auto restart after fault
- Inrush current limiting and controlled load turn-on
- Interfacing to downstream DC-to-DC converters and power feed protection
Applications
The TPS2492PWR is suitable for various high-voltage applications, including:
- Server and data center power supplies
- Telecommunication equipment
- Industrial power systems
- High-voltage DC power distribution systems
- Downstream DC-to-DC converters and power feed protection systems
Q & A
- What is the operating voltage range of the TPS2492PWR?
The TPS2492PWR operates within a voltage range of 9V to 80V.
- What type of package does the TPS2492PWR come in?
The TPS2492PWR comes in a 14-pin TSSOP (Thin Shrink Small Outline Package).
- What is the purpose of the programmable power limit in the TPS2492PWR?
The programmable power limit ensures that the external FET operates within its safe operating area (SOA) during overload conditions by controlling power dissipation.
- Does the TPS2492PWR have an analog current monitor output?
Yes, the TPS2492PWR has an analog current monitor output that can be used with an external A/D converter.
- What are the key protection features of the TPS2492PWR?
The key protection features include programmable current limit, fault timer, overvoltage and undervoltage shutdown, and power good and fault outputs.
- Can the TPS2492PWR be used in high-temperature environments?
Yes, the TPS2492PWR operates within a temperature range of -40°C to 125°C.
- What is the function of the inrush current limiting feature?
The inrush current limiting feature helps in controlling the initial surge of current during load turn-on, preventing damage to the system.
- Can the TPS2492PWR be used with downstream DC-to-DC converters?
Yes, the TPS2492PWR can interface with downstream DC-to-DC converters and provide power feed protection.
- What is the significance of the latch or auto restart feature?
The latch or auto restart feature allows the system to either latch off or automatically restart after a fault condition, enhancing system reliability and safety.
- Is the TPS2492PWR compliant with industry standards such as RoHS?
Yes, the TPS2492PWR is compliant with EU RoHS standards (2011/65/EU, 2015/863).
