Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Electronic Fuse |
| Accuracy | ±8% |
| Voltage-Input | 2.7V ~ 18V |
| Current-Output | 5.3A |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
Tổng quan
Description
The TPS25944LRVCR is an integrated eFuse IC designed by Texas Instruments for use in power management applications. It provides robust protection and control features for power distribution systems, particularly in high-current environments. Key features of the TPS25944LRVCR include overcurrent protection, overvoltage clamping, reverse current blocking, and thermal shutdown. Its adjustable current limit and soft start capabilities help manage inrush current, ensuring safe power-up sequences.
The device operates over a wide input voltage range and delivers precise control and monitoring of power flow, making it suitable for applications such as consumer electronics, industrial equipment, and telecommunications. The TPS25944LRVCR is housed in a compact, thermally efficient package, enhancing its applicability in space-constrained designs.
By integrating multiple protection features, the TPS25944LRVCR reduces the need for discrete components, simplifying design and enhancing reliability. Its programmable settings allow for flexibility, enabling designers to tailor the device's performance to specific system requirements. Overall, this eFuse is ideal for improving the safety and reliability of power systems.
The device operates over a wide input voltage range and delivers precise control and monitoring of power flow, making it suitable for applications such as consumer electronics, industrial equipment, and telecommunications. The TPS25944LRVCR is housed in a compact, thermally efficient package, enhancing its applicability in space-constrained designs.
By integrating multiple protection features, the TPS25944LRVCR reduces the need for discrete components, simplifying design and enhancing reliability. Its programmable settings allow for flexibility, enabling designers to tailor the device's performance to specific system requirements. Overall, this eFuse is ideal for improving the safety and reliability of power systems.
Equivalent
The TPS25944LRVCR is a power switch IC from Texas Instruments. Equivalent products from other manufacturers include:
1. Maxim Integrated: MAX14574 or MAX14575 series
2. ON Semiconductor: FPF2700 series
3. Analog Devices: ADM1166 or ADM1177 series
4. Microchip Technology: MIC2005A series
These alternatives offer similar functionality in terms of power distribution, protection, and control features. Always check specific datasheets for compatibility in particular applications.
1. Maxim Integrated: MAX14574 or MAX14575 series
2. ON Semiconductor: FPF2700 series
3. Analog Devices: ADM1166 or ADM1177 series
4. Microchip Technology: MIC2005A series
These alternatives offer similar functionality in terms of power distribution, protection, and control features. Always check specific datasheets for compatibility in particular applications.
Features
The TPS25944LRVCR is a compact, robust eFuse Power Switch by Texas Instruments, designed for applications requiring high power density and protection. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 18V, making it versatile for various applications.
2. Adjustable Current Limit: Offers an externally adjustable current limit up to 5.3A, providing flexibility in current management.
3. Overvoltage Protection: Equipped with overvoltage clamp that protects downstream circuits from voltage spikes.
4. Overcurrent Protection: Provides fast trip response to overcurrent events, ensuring quick isolation of faults.
5. Thermal Shutdown: Includes thermal shutdown capability to prevent damage due to overheating.
6. Power Good Indicator: Features a Power Good output for monitoring system power status.
7. Fault Timer: Adjustable fault timer prevents unnecessary system shutdowns during transient faults.
8. Reverse Current Blocking: Prevents reverse current flow, enhancing system safety.
9. Compact Package: Available in a small, 10-pin VSON package, suitable for space-constrained designs.
This feature set makes the TPS25944LRVCR suitable for a broad range of applications requiring reliable and efficient power management.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 18V, making it versatile for various applications.
2. Adjustable Current Limit: Offers an externally adjustable current limit up to 5.3A, providing flexibility in current management.
3. Overvoltage Protection: Equipped with overvoltage clamp that protects downstream circuits from voltage spikes.
4. Overcurrent Protection: Provides fast trip response to overcurrent events, ensuring quick isolation of faults.
5. Thermal Shutdown: Includes thermal shutdown capability to prevent damage due to overheating.
6. Power Good Indicator: Features a Power Good output for monitoring system power status.
7. Fault Timer: Adjustable fault timer prevents unnecessary system shutdowns during transient faults.
8. Reverse Current Blocking: Prevents reverse current flow, enhancing system safety.
9. Compact Package: Available in a small, 10-pin VSON package, suitable for space-constrained designs.
This feature set makes the TPS25944LRVCR suitable for a broad range of applications requiring reliable and efficient power management.
Pinout
The TPS25944LRVCR is a 12-pin integrated circuit, which serves as an eFuse Power Switch. It is designed for use in a wide range of applications requiring protection, control, and management of power in electronic circuits. The key functions of the TPS25944LRVCR include:
1. Overcurrent Protection: Protects the circuit from excessive current.
2. Overvoltage and Undervoltage Protection: Ensures the circuit operates within a specified voltage range.
3. Short-Circuit Protection: Prevents damage due to short-circuit conditions.
4. Thermal Shutdown: Protects the device from overheating.
5. Inrush Current Control: Limits the inrush current during startup.
6. True Reverse Current Blocking: Prevents reverse current flow when the output voltage is higher than the input.
7. Adjustable Output Voltage: Allows setting the desired output voltage with external resistors.
These functions make the TPS25944LRVCR suitable for use in server, storage, and communication equipment, as well as various other applications that require reliable power management and protection.
1. Overcurrent Protection: Protects the circuit from excessive current.
2. Overvoltage and Undervoltage Protection: Ensures the circuit operates within a specified voltage range.
3. Short-Circuit Protection: Prevents damage due to short-circuit conditions.
4. Thermal Shutdown: Protects the device from overheating.
5. Inrush Current Control: Limits the inrush current during startup.
6. True Reverse Current Blocking: Prevents reverse current flow when the output voltage is higher than the input.
7. Adjustable Output Voltage: Allows setting the desired output voltage with external resistors.
These functions make the TPS25944LRVCR suitable for use in server, storage, and communication equipment, as well as various other applications that require reliable power management and protection.
Manufacturer
The TPS25944LRVCR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide array of electronic components, including integrated circuits and embedded processors. The company is known for its innovation and extensive product range, serving various industries such as automotive, industrial, personal electronics, communications, and enterprise systems. TI's products are essential for enabling technologies in power management, signal processing, and analog solutions.
Application
The TPS25944LRVCR is a power switch from Texas Instruments designed for a wide range of applications requiring power management and protection. Key areas include:
1. Industrial Equipment: Offers protection and efficient power control for systems requiring high reliability.
2. Consumer Electronics: Ensures safe power delivery and protection for devices like set-top boxes and gaming consoles.
3. Telecom and Networking: Provides current limiting and overvoltage protection for networking gear.
4. Computing Systems: Manages power supply for servers and PCs, guarding against overloads and short circuits.
5. Automotive Electronics: Enhances power reliability and safety in automotive electronic systems.
These applications benefit from its adjustable current limit, quick response to faults, and a wide operating voltage range.
1. Industrial Equipment: Offers protection and efficient power control for systems requiring high reliability.
2. Consumer Electronics: Ensures safe power delivery and protection for devices like set-top boxes and gaming consoles.
3. Telecom and Networking: Provides current limiting and overvoltage protection for networking gear.
4. Computing Systems: Manages power supply for servers and PCs, guarding against overloads and short circuits.
5. Automotive Electronics: Enhances power reliability and safety in automotive electronic systems.
These applications benefit from its adjustable current limit, quick response to faults, and a wide operating voltage range.
Package
The TPS25944LRVCR is a power switch IC from Texas Instruments, offered in a VQFN (Very Thin Quad Flat No-Lead) package. Specifically, it comes in a 16-pin VQFN package with dimensions typically around 3mm x 3mm, designed for efficient thermal performance and space-saving in circuit designs.
