Texas Instruments TPS25974ARPWR

The TPS25974ARPWR is a highly integrated circuit protection and power management solution from Texas Instruments. This device is part of the TPS2597xx family and is optimized for its wide operating input voltage range, high current capacity, and robust overcurrent protection capabilities. It provides excellent performance for various applications requiring precise current regulation and protection against overload, short-circuits, voltage surges, and excessive inrush current.

• Wide Operating Input Voltage Range: The TPS25974ARPWR operates over a wide input voltage range of 2.7 V to 23 V, with an absolute maximum rating of 28 V.
• Integrated FET with Low On-Resistance: The device features an integrated FET with a low on-resistance of 9.8 mΩ (typ.), reducing power consumption and increasing efficiency.
• Fast Overvoltage Protection: Provides fast overvoltage protection through either an overvoltage clamp (OVC) or an adjustable overvoltage lockout (OVLO), with response times of 5-µs (typical) for OVC and 1.2-µs (typical) for OVLO.
• Overcurrent Protection: Offers active current limit or circuit-breaker options, along with an adjustable overcurrent protection threshold.
• Adjustable Output Slew Rate Control: The output slew rate can be adjusted using a single external capacitor.
• Digital Outputs: Includes fault indication (FLT) or power-good indication (PG) with adjustable threshold.
• Overtemperature Protection: Features overtemperature protection with thermal shutdown and auto-retry capabilities).

• Semiconductor Component Power Management: Suitable for managing power for various semiconductor components such as diodes and transistors).
• Electrical and Electronic Systems Protection: Provides overcurrent protection and voltage regulation, making it ideal for protecting electrical and electronic systems from overload or fault conditions).
• Server, PC Motherboard, and Add-in Cards: Used in server, PC motherboard, and add-in card applications).
• Enterprise Storage: Applicable in RAID/HBA/SAN/eSSD systems).
• Patient Monitors and Appliances: Suitable for patient monitors, appliances, and power tools).
• Retail Point-of-Sale Terminals and Mobile Devices: Used in retail point-of-sale terminals, smartphones, and tablets).

1. Q: What is the typical response time for the overvoltage clamp (OVC) on the TPS25974ARPWR?
   A: The OVC has a typical response time of 5-µs).
2. Q: How does the TPS25974ARPWR regulate current?
   A: The IC can regulate current using active current limit or circuit-breaker options, along with an adjustable overcurrent protection threshold).
3. Q: Is the TPS25974ARPWR available in different packages?
   A: No, the TPS25974ARPWR is only available in a VQFN-10-HR(2x2) package type).
4. Q: What is the absolute maximum rating for the input voltage on the TPS25974ARPWR?
   A: The absolute maximum rating for the input voltage is 28 V).
5. Q: What is the maximum current capacity of the TPS25974ARPWR?
   A: The maximum current capacity is 7 A).
6. Q: How can the output slew rate be adjusted on the TPS25974ARPWR?
   A: The output slew rate can be adjusted using a single external capacitor connected to the dVdt pin).
7. Q: Does the TPS25974ARPWR have overtemperature protection?
   A: Yes, the device features overtemperature protection with thermal shutdown and auto-retry capabilities).
8. Q: What are the typical applications of the TPS25974ARPWR?
   A: It is used in server, PC motherboard, add-in cards, enterprise storage, patient monitors, appliances, and mobile devices).
9. Q: How does the TPS25974ARPWR protect against overvoltage conditions?
   A: The device protects against overvoltage conditions by either clamping the output to a safe fixed maximum voltage or by cutting off the output if the input exceeds an adjustable overvoltage threshold).
10. Q: What certifications does the TPS25974ARPWR have?
    A: The device is UL 2367 recognized and IEC 62368-1 CB certified).