Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 26.04V |
| Current-Output | 1.7A |
| Frequency-Switching | 50kHz ~ 1.1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Обзор
Description
The TPS5402DR is a step-down (buck) switching voltage regulator from Texas Instruments. It is designed to convert a higher input voltage (up to 28 volts) to a lower output voltage with high efficiency. This device is part of the TPS5402 series and comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, ideal for compact circuit designs. The TPS5402DR operates at a fixed frequency of 500 kHz, which enables the use of smaller external components, saving space and cost.
It features a wide input voltage range, making it suitable for a variety of applications such as distributed power systems, battery-powered devices, and industrial equipment. The regulator provides a stable output voltage adjustable via an external resistor divider and supports output currents up to 2.5 A. Integrated protection features like overcurrent protection, thermal shutdown, and an undervoltage lockout enhance its reliability. The TPS5402DR combines performance and compact design, making it a versatile choice for efficient power management in electronic devices.
It features a wide input voltage range, making it suitable for a variety of applications such as distributed power systems, battery-powered devices, and industrial equipment. The regulator provides a stable output voltage adjustable via an external resistor divider and supports output currents up to 2.5 A. Integrated protection features like overcurrent protection, thermal shutdown, and an undervoltage lockout enhance its reliability. The TPS5402DR combines performance and compact design, making it a versatile choice for efficient power management in electronic devices.
Equivalent
The TPS5402DR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. LM2596 series from Texas Instruments
2. LM2678 from Texas Instruments
3. MP1496 from Monolithic Power Systems
4. MC34063 from ON Semiconductor
5. LMR33630 from Texas Instruments
Ensure that you review datasheets to compare specific parameters such as input voltage range, output current, and switching frequency to match your application requirements.
1. LM2596 series from Texas Instruments
2. LM2678 from Texas Instruments
3. MP1496 from Monolithic Power Systems
4. MC34063 from ON Semiconductor
5. LMR33630 from Texas Instruments
Ensure that you review datasheets to compare specific parameters such as input voltage range, output current, and switching frequency to match your application requirements.
Features
The TPS5402DR is a step-down (buck) voltage regulator from Texas Instruments. It features a wide input voltage range of 8 V to 60 V, allowing flexibility for various applications. The device is capable of delivering up to 2.5 A of continuous output current. It uses a fixed-frequency current mode control for improved load and line regulation. The TPS5402DR operates at a switching frequency of 500 kHz, which allows for the use of smaller output inductors and capacitors, leading to a more compact design.
This regulator also includes several protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and robustness. It supports an adjustable output voltage range down to 0.8 V via an external resistor divider. Additionally, the TPS5402DR has a high efficiency of up to 95%, which helps in reducing power loss and heat generation. Its small package size, SOP-8 (Exposed Pad), makes it suitable for space-constrained applications. Overall, the TPS5402DR is ideal for use in a variety of power supply solutions requiring efficient step-down conversion.
This regulator also includes several protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and robustness. It supports an adjustable output voltage range down to 0.8 V via an external resistor divider. Additionally, the TPS5402DR has a high efficiency of up to 95%, which helps in reducing power loss and heat generation. Its small package size, SOP-8 (Exposed Pad), makes it suitable for space-constrained applications. Overall, the TPS5402DR is ideal for use in a variety of power supply solutions requiring efficient step-down conversion.
Pinout
The TPS5402DR is a step-down (buck) converter from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. BOOT: Bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input voltage supply pin.
3. SW: Switch node, connected to the inductor.
4. GND: Ground connection.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation pin for external compensation network.
7. EN: Enable pin to turn the device on or off.
8. RT/CLK: Pin to set the switching frequency or synchronize to an external clock.
The TPS5402DR is designed for DC-DC conversion, enabling it to efficiently step down voltage levels for a variety of applications.
1. BOOT: Bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input voltage supply pin.
3. SW: Switch node, connected to the inductor.
4. GND: Ground connection.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation pin for external compensation network.
7. EN: Enable pin to turn the device on or off.
8. RT/CLK: Pin to set the switching frequency or synchronize to an external clock.
The TPS5402DR is designed for DC-DC conversion, enabling it to efficiently step down voltage levels for a variety of applications.
Manufacturer
The TPS5402DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. The company is known for its innovation in developing integrated circuits that are used in various electronic applications across different industries, including consumer electronics, automotive, industrial, and communications equipment. TI focuses on creating technology that improves power efficiency and performance in electronic systems.
Application
The TPS5402DR is a DC-DC buck converter used primarily in applications requiring efficient power management. Key areas include:
1. Consumer Electronics: Powers components in TVs, set-top boxes, and gaming consoles.
2. Industrial Systems: Provides power for PLCs, measurement devices, and industrial computers.
3. Telecommunications: Supports infrastructure equipment by providing stable voltage levels.
4. Automotive: Used in infotainment systems, lighting, and electronic control units.
5. Computing: Powers peripherals and auxiliary devices in PCs and servers.
6. IoT Devices: Manages power in smart home devices, sensors, and wireless modules.
The TPS5402DR's versatility in handling input voltages and its efficiency makes it suitable for applications requiring reliable step-down voltage regulation.
1. Consumer Electronics: Powers components in TVs, set-top boxes, and gaming consoles.
2. Industrial Systems: Provides power for PLCs, measurement devices, and industrial computers.
3. Telecommunications: Supports infrastructure equipment by providing stable voltage levels.
4. Automotive: Used in infotainment systems, lighting, and electronic control units.
5. Computing: Powers peripherals and auxiliary devices in PCs and servers.
6. IoT Devices: Manages power in smart home devices, sensors, and wireless modules.
The TPS5402DR's versatility in handling input voltages and its efficiency makes it suitable for applications requiring reliable step-down voltage regulation.
Package
The TPS5402DR is a DC-DC buck converter from Texas Instruments, and it comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, denoted as "D" in the part number. This package type is designed to save space while providing reliable performance for power management applications.
