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IC ELECTRONIC FUSE 10VQFN
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TPS259474LRPWR
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在庫状況6543
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Function | Electronic Fuse |
| Voltage - Input | 2.7V ~ 23V |
| Current - Output | 5.5A |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 10-VFQFN |
| Supplier Device Package | 10-VQFN-HR (2x2) |
| Base Product Number | TPS259474 |
概要
Description
Key features include precise current limiting, a programmable soft-start feature to manage inrush current during power-up, and reverse current blocking to prevent backflow of current. The eFuse also provides fault indication through a fault flag pin, allowing for easy monitoring and diagnostics. It is housed in a compact package, making it suitable for space-constrained applications.
The TPS259474LRPWR enhances system protection by providing a simple yet effective solution to manage power delivery and ensure stable operation under different load conditions, contributing to the overall reliability and longevity of electronic systems.
Equivalent
1. MIC2545A from Microchip Technology
2. LM5060 from Texas Instruments
3. AP22653 from Diodes Incorporated
4. MAX17522 from Maxim Integrated (now part of Analog Devices)
These are similar eFuse or power switch ICs used for over-current protection in power distribution applications. Always verify specifications and pin compatibility before substituting components.
Features
1. Wide Input Voltage Range: It supports a broad input voltage range from 2.7V to 18V, making it versatile for various applications.
2. Adjustable Current Limit: The device offers an adjustable current limit, allowing customization for specific load requirements.
3. Fast Overcurrent Response: It provides quick response to overcurrent conditions to protect downstream circuitry.
4. Reverse Current Blocking: The IC includes a reverse current blocking feature to prevent current flow back into the power source.
5. Thermal Shutdown: It has an integrated thermal shutdown mechanism to prevent damage due to overheating.
6. Fault Reporting: The device includes fault reporting and diagnostics features for enhanced system monitoring.
7. Small Package: It comes in a compact 10-pin WSON package, making it suitable for space-constrained designs.
Overall, the TPS259474LRPWR is ideal for applications requiring efficient power management and protection, such as industrial, automotive, and consumer electronics.
Pinout
Here is a brief overview of its pin functions:
1. IN: Power input; connect to the supply voltage.
2. OUT: Power output; provides regulated output to the load.
3. GND: Ground; reference for the device.
4. ILIM: Current limit; set current limit by connecting a resistor to GND.
5. UVLO: Undervoltage lockout; adjust the undervoltage threshold with external resistors.
6. EN/UVLO: Enable/Undervoltage lockout; enables the device or sets UVLO threshold.
7. FLT: Fault; open-drain output that indicates fault conditions.
8. OVP: Overvoltage protection; sets the overvoltage threshold.
9. DNC: Do not connect; reserved pin, should not be connected.
10. PG: Power Good; indicates the status of the output voltage.
This configuration allows the TPS259474LRPWR to provide robust protection and control features such as adjustable current limits, overvoltage protection, and fault reporting.
Manufacturer
Application
1. Consumer Electronics: Protecting devices like laptops and tablets from power surges.
2. Telecommunications: Ensuring stable power supply in networking equipment.
3. Industrial Equipment: Providing robust power management in machinery and automation systems.
4. Automotive Systems: Safeguarding electronic control units (ECUs) and infotainment systems.
5. Data Centers: Enhancing power reliability for servers and storage systems.
Its features make it suitable for any application demanding efficient power distribution and protection.