仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Switch Type | General Purpose |
| Number of Outputs | 1 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Interface | On/Off |
| Voltage - Load | 2.5V ~ 6.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 5A |
| Rds On (Typ) | 22mOhm |
| Input Type | Non-Inverting |
| Features | Slew Rate Controlled, Status Flag |
| Fault Protection | Current Limiting (Adjustable), Over Temperature, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SON (3x3) |
概要
Description
The TPS2557QDRBRQ1 is a precision current-limited power distribution switch by Texas Instruments, specifically designed for automotive applications. It offers reliable protection and consistent performance in managing power distribution in automotive electronic systems. The device features adjustable current limits, allowing it to support varying load requirements while ensuring circuit protection through its fast overcurrent response. It is designed with built-in overvoltage, overcurrent, short-circuit, and over-temperature protection, ensuring robust operation under demanding conditions.
The TPS2557QDRBRQ1 operates over a wide input voltage range, accommodating typical automotive battery voltages, and has low ON-resistance, which minimizes power loss and heat generation. It is housed in a space-efficient package, making it suitable for compact designs. This switch is part of TI’s Q1 automotive-grade products, ensuring it meets stringent quality and reliability standards required for automotive environments. Overall, the TPS2557QDRBRQ1 is an ideal choice for managing power distribution and protecting sensitive circuitry in automotive applications.
The TPS2557QDRBRQ1 operates over a wide input voltage range, accommodating typical automotive battery voltages, and has low ON-resistance, which minimizes power loss and heat generation. It is housed in a space-efficient package, making it suitable for compact designs. This switch is part of TI’s Q1 automotive-grade products, ensuring it meets stringent quality and reliability standards required for automotive environments. Overall, the TPS2557QDRBRQ1 is an ideal choice for managing power distribution and protecting sensitive circuitry in automotive applications.
Equivalent
The TPS2557QDRBRQ1 is a current-limited power switch IC. Equivalent products include:
1. Micrel/Microchip MIC2005A – Adjustable current limit and similar features.
2. ON Semiconductor NCP380 – Features overcurrent protection.
3. Diodes Incorporated AP2147 – Offers adjustable current limit and thermal protection.
4. Maxim Integrated MAX4995 – Provides current limiting and short-circuit protection.
These alternatives offer comparable functionalities such as current limiting and protection features, making them suitable substitutes in similar applications.
1. Micrel/Microchip MIC2005A – Adjustable current limit and similar features.
2. ON Semiconductor NCP380 – Features overcurrent protection.
3. Diodes Incorporated AP2147 – Offers adjustable current limit and thermal protection.
4. Maxim Integrated MAX4995 – Provides current limiting and short-circuit protection.
These alternatives offer comparable functionalities such as current limiting and protection features, making them suitable substitutes in similar applications.
Features
The TPS2557QDRBRQ1 is an automotive-qualified power switch from Texas Instruments, designed for precision current limiting and load protection. Key features include:
1. Current Limiting: Adjustable current limit range from 75 mA to 1.7 A, allowing for tailored protection in various applications.
2. Protection Mechanisms: Offers short-circuit, over-current, over-temperature, and reverse-voltage protection to ensure reliable operation.
3. Input Voltage Range: Supports an input voltage range of 2.5 V to 6.5 V, suitable for a variety of automotive and industrial applications.
4. Low ON-Resistance: The low ON-resistance (typically 80 mΩ) minimizes power loss and improves efficiency.
5. Thermal Shutdown: Includes thermal shutdown to prevent damage from overheating.
6. Fault Reporting: Features fault reporting with an active-low, open-drain fault output to notify the system of fault conditions.
7. Package Options: Available in space-saving, thermally efficient packages like the 8-pin SON.
8. Automotive Qualification: AEC-Q100 qualified, ensuring high reliability for automotive applications.
1. Current Limiting: Adjustable current limit range from 75 mA to 1.7 A, allowing for tailored protection in various applications.
2. Protection Mechanisms: Offers short-circuit, over-current, over-temperature, and reverse-voltage protection to ensure reliable operation.
3. Input Voltage Range: Supports an input voltage range of 2.5 V to 6.5 V, suitable for a variety of automotive and industrial applications.
4. Low ON-Resistance: The low ON-resistance (typically 80 mΩ) minimizes power loss and improves efficiency.
5. Thermal Shutdown: Includes thermal shutdown to prevent damage from overheating.
6. Fault Reporting: Features fault reporting with an active-low, open-drain fault output to notify the system of fault conditions.
7. Package Options: Available in space-saving, thermally efficient packages like the 8-pin SON.
8. Automotive Qualification: AEC-Q100 qualified, ensuring high reliability for automotive applications.
Pinout
The TPS2557QDRBRQ1 is an automotive-qualified power switch from Texas Instruments. It comes in an 8-pin SON (Small Outline No-lead) package. The primary function of the TPS2557QDRBRQ1 is to provide adjustable current limiting and protection for power distribution networks, specifically in USB ports or other load-switching applications.
Key features include:
- Adjustable current limit: This allows users to set the current threshold for overcurrent protection.
- Overvoltage and reverse-voltage protection: Safeguards the device and connected loads from voltage anomalies.
- Integrated thermal shutdown: Protects the device from overheating.
- Low quiescent current: Enhances power efficiency.
The 8-pin configuration typically includes the following connections:
1. VIN - Input voltage
2. GND - Ground
3. OUT - Output voltage
4. ILIM - Current limit setting
5. EN - Enable input
6. FAULT - Fault status output
7. NC (No Connect) or additional functions depending on specific designs
For precise pin assignment and detailed functionality, always refer to the official datasheet from Texas Instruments.
Key features include:
- Adjustable current limit: This allows users to set the current threshold for overcurrent protection.
- Overvoltage and reverse-voltage protection: Safeguards the device and connected loads from voltage anomalies.
- Integrated thermal shutdown: Protects the device from overheating.
- Low quiescent current: Enhances power efficiency.
The 8-pin configuration typically includes the following connections:
1. VIN - Input voltage
2. GND - Ground
3. OUT - Output voltage
4. ILIM - Current limit setting
5. EN - Enable input
6. FAULT - Fault status output
7. NC (No Connect) or additional functions depending on specific designs
For precise pin assignment and detailed functionality, always refer to the official datasheet from Texas Instruments.
Manufacturer
The TPS2557QDRBRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad array of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most established companies in the semiconductor industry. Its products are used in various applications across numerous industries, including automotive, industrial, consumer electronics, and communications. TI is known for its innovation in technology and high-quality products that support advancements in analog and digital electronics. The company focuses on research and development to maintain its competitive edge and meet the evolving needs of its customers.
Application
The TPS2557QDRBRQ1 is a power distribution switch, particularly suited for automotive and industrial applications. It is used to provide reliable overcurrent protection and controlled power delivery in systems such as infotainment, Advanced Driver Assistance Systems (ADAS), telematics, and other automotive electronic modules. Its features make it ideal for applications requiring robust power management, protection against short circuits, and precise current limiting. It also finds use in consumer electronics, where USB power management and port protection are necessary. The device's resilience to harsh environmental conditions makes it suitable for scenarios requiring enhanced reliability and safety.
Package
The TPS2557QDRBRQ1 is packaged in a small-outline transistor (SOT) package type, specifically a 6-pin SOT-23 package.