規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.5V |
| Voltage-Output(Max) | 18V |
| VoltageDropout(Max) | 1V @ 50mA |
| Current-Output | 50mA |
| Current-Quiescent(Iq) | 90 µA |
| Current-Supply(Max) | 350 µA |
| PSRR | 60dB (100Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 150°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
概述
Description
The TPS7B4250QDBVRQ1 is a high-voltage, ultra-low quiescent current low-dropout (LDO) linear regulator designed by Texas Instruments. It is part of the automotive-grade series, meeting AEC-Q100 qualifications, making it suitable for a range of automotive applications. The device operates with an input voltage range from 4 V to 40 V and can deliver a maximum output current of 50 mA.
One of its key features is its ultra-low quiescent current, typically around 3 µA, which is beneficial for battery-powered applications where power efficiency is critical. The regulator provides a fixed output voltage, with options typically available for 3.3 V or 5 V. It includes several protection mechanisms such as overcurrent protection, thermal shutdown, and reverse-battery protection, enhancing its reliability in harsh conditions.
The TPS7B4250QDBVRQ1's small footprint, combined with its robust performance characteristics, makes it an excellent choice for automotive systems requiring efficient power management, such as in infotainment systems and body electronics.
One of its key features is its ultra-low quiescent current, typically around 3 µA, which is beneficial for battery-powered applications where power efficiency is critical. The regulator provides a fixed output voltage, with options typically available for 3.3 V or 5 V. It includes several protection mechanisms such as overcurrent protection, thermal shutdown, and reverse-battery protection, enhancing its reliability in harsh conditions.
The TPS7B4250QDBVRQ1's small footprint, combined with its robust performance characteristics, makes it an excellent choice for automotive systems requiring efficient power management, such as in infotainment systems and body electronics.
Equivalent
The TPS7B4250QDBVRQ1 is a linear voltage regulator from Texas Instruments, typically used in automotive applications. Equivalent products include the LM2940IMP-5.0, NCP1117ST50T3G, and LT1129-5. When selecting an equivalent, ensure that the alternatives meet the same electrical and thermal specifications, such as output voltage, output current, dropout voltage, and package type, to ensure compatibility with your application.
Features
The TPS7B4250QDBVRQ1 is a low-dropout (LDO) linear voltage regulator designed for automotive applications. Key features include:
1. Wide Input Voltage Range: Supports 4.5 V to 40 V, making it suitable for automotive battery systems.
2. Output Voltage: Provides a fixed output voltage of 5 V with a 50 mA maximum output current.
3. Low Dropout Voltage: Ensures efficient operation with minimal voltage difference between input and output, enhancing battery life.
4. Low Quiescent Current: Features a low quiescent current of typically 20 µA at light loads, reducing power consumption.
5. High PSRR: Offers high power supply rejection ratio (PSRR) for improved noise performance.
6. Protection Features: Includes thermal shutdown and current limit protection to prevent damage under fault conditions.
7. Automotive Grade: Qualified according to AEC-Q100 standards, ensuring reliability in automotive environments.
8. Package: Available in a compact SOT-23-5 package, saving space on PCBs.
These features make the TPS7B4250QDBVRQ1 ideal for automotive applications that require reliable, low-noise voltage regulation.
1. Wide Input Voltage Range: Supports 4.5 V to 40 V, making it suitable for automotive battery systems.
2. Output Voltage: Provides a fixed output voltage of 5 V with a 50 mA maximum output current.
3. Low Dropout Voltage: Ensures efficient operation with minimal voltage difference between input and output, enhancing battery life.
4. Low Quiescent Current: Features a low quiescent current of typically 20 µA at light loads, reducing power consumption.
5. High PSRR: Offers high power supply rejection ratio (PSRR) for improved noise performance.
6. Protection Features: Includes thermal shutdown and current limit protection to prevent damage under fault conditions.
7. Automotive Grade: Qualified according to AEC-Q100 standards, ensuring reliability in automotive environments.
8. Package: Available in a compact SOT-23-5 package, saving space on PCBs.
These features make the TPS7B4250QDBVRQ1 ideal for automotive applications that require reliable, low-noise voltage regulation.
Pinout
The TPS7B4250QDBVRQ1 is a linear voltage regulator from Texas Instruments, specifically designed for automotive applications. It comes in an SOT-23 package with 5 pins. Below is a concise description of the pin functions:
1. IN (Pin 1): This is the input pin where the unregulated voltage is applied. It supports a wide input voltage range, making it suitable for automotive and industrial applications.
2. GND (Pin 2): This pin is the ground reference for the regulator. It should be connected to the system ground.
3. NC (Pin 3): This is a No Connect pin. It is not internally connected to the device and can be left floating or connected to ground for PCB layout purposes.
4. OUT (Pin 4): The regulated output voltage is available at this pin. It is used to power the load with the stable voltage provided by the regulator.
5. EN (Pin 5): This is the enable pin. It is used to turn the regulator on or off. When pulled high, the device is enabled, and when pulled low, the device is disabled.
The TPS7B4250QDBVRQ1 provides a fixed output voltage of 5V with a maximum output current of 50 mA.
1. IN (Pin 1): This is the input pin where the unregulated voltage is applied. It supports a wide input voltage range, making it suitable for automotive and industrial applications.
2. GND (Pin 2): This pin is the ground reference for the regulator. It should be connected to the system ground.
3. NC (Pin 3): This is a No Connect pin. It is not internally connected to the device and can be left floating or connected to ground for PCB layout purposes.
4. OUT (Pin 4): The regulated output voltage is available at this pin. It is used to power the load with the stable voltage provided by the regulator.
5. EN (Pin 5): This is the enable pin. It is used to turn the regulator on or off. When pulled high, the device is enabled, and when pulled low, the device is disabled.
The TPS7B4250QDBVRQ1 provides a fixed output voltage of 5V with a maximum output current of 50 mA.
Manufacturer
The TPS7B4250QDBVRQ1 is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company headquartered in Dallas, Texas. It specializes in designing and manufacturing semiconductors and integrated circuits, which are used in a wide array of electronic applications. TI is one of the largest semiconductor companies in the world and focuses on areas such as analog chips, embedded processors, digital light processing (DLP), and educational technology.
Application
The TPS7B4250QDBVRQ1 is a linear voltage regulator designed for automotive applications. It is particularly suited for use in infotainment systems, advanced driver-assistance systems (ADAS), body control modules, and instrumentation clusters. Its wide input voltage range and low quiescent current make it ideal for systems that require efficient power management in both normal and low power modes. Additionally, it can be used in battery-powered applications where low dropout voltage is critical. Its compliance with automotive standards ensures reliability and performance in harsh environments.
Package
The TPS7B4250QDBVRQ1 is a linear voltage regulator from Texas Instruments. It comes in a SOT-23-6 package, also known as a small-outline transistor package with 6 pins. This package type is compact and suitable for applications requiring space-efficient designs.
