사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100, Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 41.1V |
| Current - Output | 3.5A |
| Frequency - Switching | 100kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The TPS54340BQDDARQ1 is a high-performance, automotive-qualified DC-DC buck converter from Texas Instruments. Specifically designed for automotive applications, it provides a wide input voltage range from 3.5V to 42V, making it suitable for battery-powered applications. The device can deliver up to 3.5A of continuous output current, ensuring efficient power management for various electronic components.
Key features include a high switching frequency of up to 2.5MHz, which allows for the use of smaller external components, and D-CAP2™ mode control for fast transient response and simple external compensation. It also offers robust protection mechanisms such as over-voltage, under-voltage lockout, and thermal shutdown, enhancing reliability in harsh automotive environments.
The TPS54340BQDDARQ1 is housed in a thermally efficient, space-saving 10-pin VSON package, making it suitable for compact, high-density circuit board designs. With its combination of efficiency, reliability, and compact design, it is ideal for powering microcontrollers, sensors, and other automotive electronics.
Key features include a high switching frequency of up to 2.5MHz, which allows for the use of smaller external components, and D-CAP2™ mode control for fast transient response and simple external compensation. It also offers robust protection mechanisms such as over-voltage, under-voltage lockout, and thermal shutdown, enhancing reliability in harsh automotive environments.
The TPS54340BQDDARQ1 is housed in a thermally efficient, space-saving 10-pin VSON package, making it suitable for compact, high-density circuit board designs. With its combination of efficiency, reliability, and compact design, it is ideal for powering microcontrollers, sensors, and other automotive electronics.
Equivalent
The TPS54340BQDDARQ1 is a DC-DC buck converter from Texas Instruments. Equivalent products include:
1. LM2596: A popular 3A buck converter from Texas Instruments.
2. LMR16030: A 3A, 60V buck converter also from Texas Instruments.
3. LT3502A: A 3A buck converter from Analog Devices.
4. MP2307: A 3A synchronous buck converter from Monolithic Power Systems.
Ensure to check specifications like input voltage range and switching frequency to confirm compatibility.
1. LM2596: A popular 3A buck converter from Texas Instruments.
2. LMR16030: A 3A, 60V buck converter also from Texas Instruments.
3. LT3502A: A 3A buck converter from Analog Devices.
4. MP2307: A 3A synchronous buck converter from Monolithic Power Systems.
Ensure to check specifications like input voltage range and switching frequency to confirm compatibility.
Features
The TPS54340BQDDARQ1 is a step-down converter from Texas Instruments, designed for automotive applications. Key features include:
1. Wide Input Voltage Range: Supports 3.5 V to 42 V, ideal for automotive battery systems.
2. Output Current: Delivers up to 3.5 A continuous output current.
3. High Efficiency: Achieves up to 95% efficiency with its integrated MOSFET.
4. Frequency Synchronization: Offers adjustable switching frequency from 100 kHz to 2.5 MHz, with synchronization capability.
5. Low Dropout Operation: Implements pulse-skip mode for high efficiency at light loads.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout.
7. Soft-Start: Programmable soft-start to reduce inrush current during startup.
8. Automotive Qualified: Meets AEC-Q100 standards, suitable for automotive environments.
9. Compact Package: Available in a 10-pin PowerPAD™ package, supporting compact design needs.
These features make the TPS54340BQDDARQ1 suitable for robust and efficient power supply designs in automotive systems.
1. Wide Input Voltage Range: Supports 3.5 V to 42 V, ideal for automotive battery systems.
2. Output Current: Delivers up to 3.5 A continuous output current.
3. High Efficiency: Achieves up to 95% efficiency with its integrated MOSFET.
4. Frequency Synchronization: Offers adjustable switching frequency from 100 kHz to 2.5 MHz, with synchronization capability.
5. Low Dropout Operation: Implements pulse-skip mode for high efficiency at light loads.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout.
7. Soft-Start: Programmable soft-start to reduce inrush current during startup.
8. Automotive Qualified: Meets AEC-Q100 standards, suitable for automotive environments.
9. Compact Package: Available in a 10-pin PowerPAD™ package, supporting compact design needs.
These features make the TPS54340BQDDARQ1 suitable for robust and efficient power supply designs in automotive systems.
Pinout
The TPS54340BQDDARQ1 is a 3.5-A, 42-V step-down (buck) regulator with an integrated high-side MOSFET, optimized for automotive applications. It is part of Texas Instruments' TPS54340 family. The device is packaged in an 8-pin SO PowerPAD (DDA) package.
Here is a brief rundown of its pin functions:
1. BOOT: Supplies a bootstrap voltage for the high-side MOSFET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin for device operation; a high level turns the device on.
4. SS/TR: Soft start and tracking pin; used to control the output voltage start-up.
5. GND: Ground pin.
6. VSENSE: Feedback pin for output voltage regulation.
7. COMP: Compensation pin for the regulation loop.
8. SW: Switch node, connected to the output inductor and internal MOSFET.
These pins work together to efficiently convert and regulate input voltage to a desired output voltage with robust performance suitable for a wide range of applications.
Here is a brief rundown of its pin functions:
1. BOOT: Supplies a bootstrap voltage for the high-side MOSFET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin for device operation; a high level turns the device on.
4. SS/TR: Soft start and tracking pin; used to control the output voltage start-up.
5. GND: Ground pin.
6. VSENSE: Feedback pin for output voltage regulation.
7. COMP: Compensation pin for the regulation loop.
8. SW: Switch node, connected to the output inductor and internal MOSFET.
These pins work together to efficiently convert and regulate input voltage to a desired output voltage with robust performance suitable for a wide range of applications.
Manufacturer
The TPS54340BQDDARQ1 is manufactured by Texas Instruments. Texas Instruments is an American technology company headquartered in Dallas, Texas. It is a global leader in the design and manufacture of semiconductors and integrated circuits, which are used in a broad range of electronic devices. The company is well-known for producing a wide variety of electronic components, including microcontrollers, processors, and analog and digital signal processing solutions. Texas Instruments serves various industries, including automotive, industrial, consumer electronics, and communications equipment, making it a key player in the electronics and semiconductor industry.
Application
The TPS54340BQDDARQ1 is a step-down DC-DC converter designed for automotive applications. Its key application areas include automotive infotainment systems, body control modules, and advanced driver-assistance systems (ADAS). It is suitable for use in power management solutions that require high efficiency and reliability in harsh automotive environments. This device is also used in applications needing a wide input voltage range and robust thermal performance, such as telematics, instrumentation clusters, and engine control units. With its automotive-grade qualification (AEC-Q100), it is ideal for designing power supplies that must meet stringent automotive standards.
Package
The TPS54340BQDDARQ1 is a DC-DC converter from Texas Instruments, designed for automotive applications. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) with PowerPAD™ package, which enhances thermal performance and is suitable for compact designs.
