TPS2391DGKR

The TPS2391DGKR is a hot swap controller designed by Texas Instruments, commonly used in telecommunications and server applications to manage the inrush current during the insertion of circuit boards into live backplanes. It operates with a supply voltage range from 2.97 V to 15 V, providing flexibility for various applications. This device ensures safe insertion and removal of cards by controlling power to the load while protecting against overcurrent and short-circuit conditions.
Key features include programmable current limit and undervoltage lockout (UVLO), which enhance the protection and reliability of the systems it is integrated into. The TPS2391DGKR is in a small-outline package, which helps save space on the circuit board. It also supports fault management by providing a fault indicator pin that signals overcurrent or other fault conditions.
In summary, the TPS2391DGKR is a robust and versatile solution for managing hot swap operations, ensuring smooth and safe power transitions, and protecting sensitive electronic components in various high-reliability applications.

The TPS2391DGKR is a hot-swap power manager by Texas Instruments. Equivalent products include:
1. LTC4211 from Analog Devices (formerly Linear Technology)
2. MAX5902 or MAX5903 from Maxim Integrated
3. LM5069 from Texas Instruments
4. ADM1170 from Analog Devices
These components offer similar functionalities for managing inrush current and protecting electronic circuits during hot-swapping. Always compare specific features and electrical characteristics to ensure compatibility for your application.

The TPS2391DGKR is an integrated hot-swap power manager designed for use in 48V systems. It provides robust protection and control to manage the inrush current during power-up, ensuring the safe insertion and removal of line cards in live backplanes. Key features include:
1. Inrush Current Limiting: Controls the power-up sequence to prevent overcurrent conditions.
2. Programmable Current Limit: Allows customization of the current threshold to suit specific application needs.
3. Undervoltage/Overvoltage Lockout: Protects the system by disabling power during abnormal voltage conditions.
4. Fault Timer: Programmable delay before asserting a fault, preventing premature shutdown from transient events.
5. Power Good Indicator: Signals when the output has reached the required level for system operation.
6. Automatic Retry/Shutdown Modes: Offers flexibility in handling fault conditions.
7. Compact Package: Available in a small 10-pin VSSOP package, making it suitable for space-constrained applications.
These features make the TPS2391DGKR ideal for telecommunications and data communication systems requiring reliable power management.

The TPS2391DGKR is a hot swap power manager from Texas Instruments. It comes in a 10-pin VSSOP (DGK) package. The device is used to manage the power-up and power-down sequencing for electronic loads, providing protection from overcurrent and short-circuit conditions.
Key pins and their functions include:
1. VDD - Power Supply Input.
2. IN - Voltage Sense Input.
3. OUT - Output to Load.
4. GATE - Gate Control for External MOSFET.
5. SENSE - Current Sense Input.
6. TIMER - Timing Capacitor Connect for Fault Timing.
7. FAULT - Open-drain Fault Indicator.
8. ENABLE - Enable/Disable Control for Load.
9. GND - Ground Connection.
10. NC (No Connect) - Pin that is not internally connected.
These pins collectively facilitate safe control and management of power delivery to protect electronic devices from electrical faults.

The TPS2391DGKR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic products and components, including integrated circuits, sensors, and embedded processors. They are a well-established company known for their innovations in the electronics industry, serving various markets such as automotive, industrial, personal electronics, and communications equipment. TI is recognized for its focus on developing technology that enables safer, smarter, and more efficient electronics.

The TPS2391DGKR is primarily used in applications requiring hot swap and power distribution management, particularly in telecommunications and data communication equipment. It is designed for -48V systems and helps to safely manage inrush current and fault conditions during live insertion or removal of circuit boards, ensuring minimal disruption to the system. Typical application areas include central office switching, PBX systems, server racks, and other networking equipment that require reliable power management and circuit protection. Its ability to control power path and provide fault isolation makes it valuable in maintaining system reliability and uptime.

The TPS2391DGKR is a hot-swap controller from Texas Instruments, available in a VSSOP (Very Small Shrink Outline Package) with 10 pins, often referred to as the "DGK" package type. This package is designed for compact circuit applications, offering efficient thermal performance despite its small form factor.