Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up |
| OutputConfiguration | Positive, Isolation Capable |
| Topology | Boost |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.9V |
| Voltage-Input(Max) | 32V |
| Voltage-Output(Min/Fixed) | 2.9V |
| Voltage-Output(Max) | 38V |
| Current-Output | 5.25A (Switch) |
| Frequency-Switching | 94kHz ~ 1.14MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Tổng quan
Description
The TPS55340PWPR is a high-performance, non-synchronous boost converter designed by Texas Instruments. It is utilized for applications requiring an efficient conversion from a lower voltage to a higher voltage. This device is particularly suited for applications such as LED backlighting, LCD panels, portable devices, and general-purpose boost or SEPIC converters.
The TPS55340PWPR operates over a wide input voltage range, typically from 2.9V to 38V, making it versatile for various power supply requirements. It can deliver an output voltage of up to 38V. The device features an integrated 5A, 40V power switch, which enhances its ability to drive large loads efficiently.
Key features include a programmable switching frequency (up to 2.2 MHz), which allows for optimization between efficiency and component size, and soft-start capability to reduce inrush current during start-up. The TPS55340PWPR also incorporates several protection mechanisms, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety in operation. Its compact PowerPAD™ package enhances thermal performance, making it suitable for space-constrained applications.
The TPS55340PWPR operates over a wide input voltage range, typically from 2.9V to 38V, making it versatile for various power supply requirements. It can deliver an output voltage of up to 38V. The device features an integrated 5A, 40V power switch, which enhances its ability to drive large loads efficiently.
Key features include a programmable switching frequency (up to 2.2 MHz), which allows for optimization between efficiency and component size, and soft-start capability to reduce inrush current during start-up. The TPS55340PWPR also incorporates several protection mechanisms, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety in operation. Its compact PowerPAD™ package enhances thermal performance, making it suitable for space-constrained applications.
Equivalent
Equivalent products to the TPS55340PWPR, a boost converter from Texas Instruments, include:
1. LT8364 by Analog Devices: A high-efficiency boost converter.
2. LM5122 by Texas Instruments: A synchronous boost controller.
3. MAX16990 by Maxim Integrated: A high-voltage boost controller.
4. NCP1406 by ON Semiconductor: An adjustable boost converter.
These alternatives have similar functionality but ensure to check specific requirements like voltage, current ratings, and features for compatibility.
1. LT8364 by Analog Devices: A high-efficiency boost converter.
2. LM5122 by Texas Instruments: A synchronous boost controller.
3. MAX16990 by Maxim Integrated: A high-voltage boost controller.
4. NCP1406 by ON Semiconductor: An adjustable boost converter.
These alternatives have similar functionality but ensure to check specific requirements like voltage, current ratings, and features for compatibility.
Features
The TPS55340PWPR is a high-performance, non-synchronous boost converter designed for applications requiring efficient power management. Key features include:
1. Wide Input Voltage Range: Operates from 2.9 V to 38 V, suitable for diverse power sources.
2. High Output Voltage: Capable of delivering output voltages up to 38 V.
3. Switching Frequency: Adjustable from 100 kHz to 1.2 MHz, providing flexibility in design.
4. Efficiency: Delivers high efficiency over a wide load range, optimizing power usage.
5. Integrated 5-A Switch: Reduces the need for external components, simplifying the design.
6. Soft-Start Functionality: Minimizes inrush current during startup.
7. Undervoltage Lockout (UVLO): Protects the device from operating at low supply voltages.
8. Thermal Shutdown: Prevents damage from overheating by shutting down the converter at high temperatures.
9. Compact Package: Available in a space-saving 16-pin TSSOP package with PowerPAD for improved thermal performance.
These features make the TPS55340PWPR ideal for applications such as industrial power supplies, automotive systems, and battery-powered devices.
1. Wide Input Voltage Range: Operates from 2.9 V to 38 V, suitable for diverse power sources.
2. High Output Voltage: Capable of delivering output voltages up to 38 V.
3. Switching Frequency: Adjustable from 100 kHz to 1.2 MHz, providing flexibility in design.
4. Efficiency: Delivers high efficiency over a wide load range, optimizing power usage.
5. Integrated 5-A Switch: Reduces the need for external components, simplifying the design.
6. Soft-Start Functionality: Minimizes inrush current during startup.
7. Undervoltage Lockout (UVLO): Protects the device from operating at low supply voltages.
8. Thermal Shutdown: Prevents damage from overheating by shutting down the converter at high temperatures.
9. Compact Package: Available in a space-saving 16-pin TSSOP package with PowerPAD for improved thermal performance.
These features make the TPS55340PWPR ideal for applications such as industrial power supplies, automotive systems, and battery-powered devices.
Pinout
The TPS55340PWPR is a high-voltage boost converter IC designed by Texas Instruments. It comes in a PowerPAD™ TSSOP package with a 14-pin count. The primary function of the TPS55340PWPR is to step up (boost) an input voltage to a higher output voltage, making it suitable for applications requiring a higher voltage supply.
Here is a brief description of the function of each pin:
1. VIN: Input voltage supply.
2. COMP: Compensation pin for the control loop.
3. FB: Feedback input for setting the output voltage.
4. SS: Soft-start control to limit inrush current.
5. SYNC: Synchronization input for external clock.
6. GND: Ground connection.
7. RT/CLK: Sets the switching frequency or syncs to an external clock.
8. EN: Enable pin to turn the converter on or off.
9. LBI: Low-battery input.
10. LBO: Low-battery output.
11. PGOOD: Power good indicator.
12. SW: Switch node, connected to the inductor.
13. BP: Bypass pin for internal bias voltage.
14. PGND: Power ground.
This IC is commonly used in applications like battery-powered equipment and portable devices.
Here is a brief description of the function of each pin:
1. VIN: Input voltage supply.
2. COMP: Compensation pin for the control loop.
3. FB: Feedback input for setting the output voltage.
4. SS: Soft-start control to limit inrush current.
5. SYNC: Synchronization input for external clock.
6. GND: Ground connection.
7. RT/CLK: Sets the switching frequency or syncs to an external clock.
8. EN: Enable pin to turn the converter on or off.
9. LBI: Low-battery input.
10. LBO: Low-battery output.
11. PGOOD: Power good indicator.
12. SW: Switch node, connected to the inductor.
13. BP: Bypass pin for internal bias voltage.
14. PGND: Power ground.
This IC is commonly used in applications like battery-powered equipment and portable devices.
Manufacturer
The TPS55340PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and other electronics components. The company specializes in analog and embedded processing products, which are used in various applications across different industries, including consumer electronics, automotive, industrial, and communications equipment. TI is known for its innovation and commitment to advancing technology through its products and solutions.
Application
The TPS55340PWPR is a DC-DC boost converter primarily used in applications requiring efficient voltage step-up. Common application areas include battery-powered devices, portable electronics, and industrial equipment. It's suitable for driving high-brightness LEDs, providing power to RF amplifiers, and offering power supply solutions in telecom and networking hardware. Additionally, it is used in automotive systems for voltage regulation due to its wide input voltage range and high efficiency. Its compact design and robust performance make it ideal for scenarios where space and power efficiency are critical.
Package
The TPS55340PWPR is a boost converter IC from Texas Instruments, housed in a TSSOP (Thin Shrink Small Outline Package) with 14 pins, denoted by the "PWPR" suffix. The package is compact, facilitating efficient power management in various electronic applications.
