Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 3.3V, 1.8V |
| VoltageDropout(Max) | 0.28V @ 500mA, - |
| Current-Output | 500mA, 250mA |
| Current-Quiescent(Iq) | 190 µA |
| Current-Supply(Max) | 230 µA |
| PSRR | 60dB (1kHz) |
| ControlFeatures | Enable, Power Good, Reset, Sequencing |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
Обзор
Description
The TPS70151PWPR is a dual-output voltage regulator integrated circuit designed by Texas Instruments. It features a low-dropout (LDO) voltage regulator combined with a power distribution switch, providing a convenient solution for power management in electronic devices. This IC is capable of delivering a fixed 5V output and an adjustable output, making it versatile for various applications. It supports a wide input voltage range and is known for its high accuracy, low noise, and fast transient response.
Key features include thermal shutdown, short-circuit protection, and overcurrent protection, ensuring reliable performance under adverse conditions. The device is typically housed in a PowerPAD™ package, which enhances thermal performance by allowing efficient heat dissipation.
Commonly used in systems requiring multiple regulated voltages, the TPS70151PWPR is suitable for applications in telecommunications, computer peripherals, and battery-powered devices. Its compact design and robust feature set make it an ideal choice for engineers looking to implement efficient power management solutions in their electronic designs.
Key features include thermal shutdown, short-circuit protection, and overcurrent protection, ensuring reliable performance under adverse conditions. The device is typically housed in a PowerPAD™ package, which enhances thermal performance by allowing efficient heat dissipation.
Commonly used in systems requiring multiple regulated voltages, the TPS70151PWPR is suitable for applications in telecommunications, computer peripherals, and battery-powered devices. Its compact design and robust feature set make it an ideal choice for engineers looking to implement efficient power management solutions in their electronic designs.
Equivalent
The TPS70151PWPR is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products from other manufacturers may include the LT1963 and LT1965 series from Analog Devices (formerly Linear Technology), the MIC29300 series from Microchip Technology, and the NCP590 series from ON Semiconductor. When selecting an equivalent, it's important to compare key specifications such as voltage output, current rating, dropout voltage, and package type to ensure compatibility with your application.
Features
The TPS70151PWPR is a dual-output low-dropout (LDO) voltage regulator with the following features:
1. Dual Outputs: It provides two regulated outputs, one fixed and one adjustable, making it versatile for multiple applications.
2. High Output Current: The device can deliver up to 500mA on the fixed output and 250mA on the adjustable output.
3. Low Dropout Voltage: This ensures better efficiency and is suitable for battery-operated systems.
4. Wide Input Voltage Range: It supports a range of 2.8V to 6V, accommodating various power supply scenarios.
5. Fast Transient Response: Quickly responds to changes in load current, maintaining stable operation.
6. Low Noise: Offers low output voltage noise, beneficial for sensitive analog circuits.
7. Power-On Reset (POR) and Supervisory Functions: Includes integrated power-on reset generator and supervisory functions for microcontroller applications.
8. Thermal Protection: Features thermal shutdown to prevent damage from overheating.
9. Small Package: Available in a compact TSSOP package, optimizing board space.
These features make it suitable for applications requiring efficient and compact power management solutions.
1. Dual Outputs: It provides two regulated outputs, one fixed and one adjustable, making it versatile for multiple applications.
2. High Output Current: The device can deliver up to 500mA on the fixed output and 250mA on the adjustable output.
3. Low Dropout Voltage: This ensures better efficiency and is suitable for battery-operated systems.
4. Wide Input Voltage Range: It supports a range of 2.8V to 6V, accommodating various power supply scenarios.
5. Fast Transient Response: Quickly responds to changes in load current, maintaining stable operation.
6. Low Noise: Offers low output voltage noise, beneficial for sensitive analog circuits.
7. Power-On Reset (POR) and Supervisory Functions: Includes integrated power-on reset generator and supervisory functions for microcontroller applications.
8. Thermal Protection: Features thermal shutdown to prevent damage from overheating.
9. Small Package: Available in a compact TSSOP package, optimizing board space.
These features make it suitable for applications requiring efficient and compact power management solutions.
Pinout
The TPS70151PWPR is a voltage regulator from Texas Instruments. It is part of the TPS701xx family, which typically features dual output low-dropout (LDO) regulators with an additional voltage supervisor function. The specific package for TPS70151PWPR is a 20-pin HTSSOP (Heat-Slug Thin Shrink Small Outline Package).
Key functions of the TPS70151 include:
1. Dual Output Voltage Regulation: It provides two regulated output voltages, typically used for powering digital and analog circuits in mixed-signal designs.
2. Low-Dropout Performance: Ensures efficient operation even with low input-to-output voltage differentials, making it suitable for battery-powered applications.
3. Voltage Supervisor: Monitors one of the output voltages and provides a reset signal to ensure the system operates correctly when the voltage is within the specified range.
The TPS70151 is designed for applications requiring precise voltage regulation and supervision, such as in telecommunications, industrial, and consumer electronics.
Key functions of the TPS70151 include:
1. Dual Output Voltage Regulation: It provides two regulated output voltages, typically used for powering digital and analog circuits in mixed-signal designs.
2. Low-Dropout Performance: Ensures efficient operation even with low input-to-output voltage differentials, making it suitable for battery-powered applications.
3. Voltage Supervisor: Monitors one of the output voltages and provides a reset signal to ensure the system operates correctly when the voltage is within the specified range.
The TPS70151 is designed for applications requiring precise voltage regulation and supervision, such as in telecommunications, industrial, and consumer electronics.
Manufacturer
The TPS70151PWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is one of the largest semiconductor companies in the world and is known for designing and manufacturing a wide range of products that include analog electronics, embedded processors, and other semiconductor components. TI is heavily involved in sectors such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is renowned for its innovation and contribution to advancements in technology, particularly in the development of integrated circuits.
Application
The TPS70151PWPR is a dual-output voltage regulator designed for applications requiring low dropout voltage and high current. Its primary application areas include:
1. Power Management: Suitable for powering microcontrollers, DSPs, FPGAs, and analog components in complex electronic systems.
2. Telecommunications: Used in telecommunications infrastructure for stable voltage supply.
3. Industrial Equipment: Provides reliable power in various industrial control systems.
4. Consumer Electronics: Suitable for consumer devices requiring efficient power regulation.
5. Automotive Systems: Utilized in automotive electronics for stable voltage under varying power conditions.
6. Networking Equipment: Powers networking hardware requiring precise voltage levels.
These applications benefit from the regulator's ability to deliver high efficiency, low noise, and stable output voltages.
1. Power Management: Suitable for powering microcontrollers, DSPs, FPGAs, and analog components in complex electronic systems.
2. Telecommunications: Used in telecommunications infrastructure for stable voltage supply.
3. Industrial Equipment: Provides reliable power in various industrial control systems.
4. Consumer Electronics: Suitable for consumer devices requiring efficient power regulation.
5. Automotive Systems: Utilized in automotive electronics for stable voltage under varying power conditions.
6. Networking Equipment: Powers networking hardware requiring precise voltage levels.
These applications benefit from the regulator's ability to deliver high efficiency, low noise, and stable output voltages.
Package
The TPS70151PWPR is a voltage regulator from Texas Instruments, and it's housed in a TSSOP (Thin Shrink Small Outline Package) with PowerPAD, specifically a 20-pin TSSOP package.
