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TPS54040DGQ
+物料清單IC REG BUCK ADJ 500MA 10HVSSOP
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製造商德州儀器
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製造商部分 #TPS54040DGQ
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有存貨3895
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規格
| 屬性 | 價值 |
| Series | Eco-Mode™ |
| Part Status | Active |
| Base Product Number | TPS54040 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 39V |
| Current - Output | 500mA |
| Frequency - Switching | 100kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-HVSSOP |
| Packaging | Tube |
概述
Description
The TPS54040DGQ is a step-down (buck) DC-DC converter integrated circuit developed by Texas Instruments. It is part of the TPS54040 series, designed to efficiently convert a higher input voltage to a lower output voltage, suitable for a wide range of applications. The device operates with an input voltage range of 3.5V to 42V, supporting up to a 0.5A output current, making it versatile for use in industrial and automotive environments.
Key features include a high switching frequency of up to 2.5MHz, which allows the use of smaller external components, leading to a more compact design. It also offers adjustable output voltage, thermal shutdown, and current limit protection, ensuring reliable performance under various conditions. The TPS54040DGQ is housed in an 8-pin MSOP PowerPAD package, which enhances heat dissipation and supports compact board layouts.
Overall, this converter is well-suited for applications requiring efficient power management in compact spaces, such as telecom, consumer electronics, and battery-powered devices.
Key features include a high switching frequency of up to 2.5MHz, which allows the use of smaller external components, leading to a more compact design. It also offers adjustable output voltage, thermal shutdown, and current limit protection, ensuring reliable performance under various conditions. The TPS54040DGQ is housed in an 8-pin MSOP PowerPAD package, which enhances heat dissipation and supports compact board layouts.
Overall, this converter is well-suited for applications requiring efficient power management in compact spaces, such as telecom, consumer electronics, and battery-powered devices.
Equivalent
The TPS54040DGQ is a DC-DC step-down (buck) converter from Texas Instruments. Equivalent products from other manufacturers that offer similar functionality may include:
1. LM2596 from Texas Instruments/National Semiconductor
2. LM2675 from Texas Instruments/National Semiconductor
3. LMR16006 from Texas Instruments
4. AP1509 from Diodes Incorporated
5. MP2315 from Monolithic Power Systems
Ensure to compare specifications such as input voltage range, output current, and efficiency to confirm suitability for your application.
1. LM2596 from Texas Instruments/National Semiconductor
2. LM2675 from Texas Instruments/National Semiconductor
3. LMR16006 from Texas Instruments
4. AP1509 from Diodes Incorporated
5. MP2315 from Monolithic Power Systems
Ensure to compare specifications such as input voltage range, output current, and efficiency to confirm suitability for your application.
Features
The TPS54040DGQ is a step-down DC-DC converter designed for compact and efficient power management. Key features include:
1. Wide Input Voltage Range: Operates from 3.5 V to 42 V, making it suitable for a variety of applications, including automotive and industrial systems.
2. Output Current: Capable of delivering up to 500 mA of continuous output current.
3. Efficiency: High efficiency due to a low RDS(on) internal switch and optimized switching frequency.
4. Adjustable Switching Frequency: Allows designers to select the optimal frequency for efficiency and size, ranging from 50 kHz to 2.5 MHz.
5. Soft Start: Integrated soft-start function to mitigate inrush currents and enable smooth power-up.
6. Protection Features: Includes thermal shutdown, current limiting, and undervoltage lockout, ensuring reliable operation.
7. Package: Available in a space-saving 10-pin MSOP package, suitable for space-constrained applications.
These features make the TPS54040DGQ a versatile choice for applications needing efficient voltage regulation with a compact form factor.
1. Wide Input Voltage Range: Operates from 3.5 V to 42 V, making it suitable for a variety of applications, including automotive and industrial systems.
2. Output Current: Capable of delivering up to 500 mA of continuous output current.
3. Efficiency: High efficiency due to a low RDS(on) internal switch and optimized switching frequency.
4. Adjustable Switching Frequency: Allows designers to select the optimal frequency for efficiency and size, ranging from 50 kHz to 2.5 MHz.
5. Soft Start: Integrated soft-start function to mitigate inrush currents and enable smooth power-up.
6. Protection Features: Includes thermal shutdown, current limiting, and undervoltage lockout, ensuring reliable operation.
7. Package: Available in a space-saving 10-pin MSOP package, suitable for space-constrained applications.
These features make the TPS54040DGQ a versatile choice for applications needing efficient voltage regulation with a compact form factor.
Pinout
The TPS54040DGQ is a DC-DC converter from Texas Instruments, specifically a high-voltage step-down (buck) converter. It is designed to efficiently convert higher input voltages to lower output voltages and is suitable for a variety of applications.
The TPS54040DGQ comes in an 8-pin HVSSOP (DGQ) package. Here is a brief overview of its pin functions:
1. VIN: Power input voltage. Connect to the input supply voltage.
2. EN: Enable pin. Used to enable or disable the device.
3. SS/TR: Soft-start / Tracking pin. Used to control the startup time or track an external voltage.
4. COMP: Compensation pin. Connects to the compensation network to stabilize the feedback loop.
5. GND: Ground. Common return for the input and output voltage.
6. BOOT: Boot capacitor pin. Connects to a capacitor for the high-side gate drive.
7. SW: Switch node. Connects to the inductor and carries the switching current.
8. VSENSE: Feedback pin. Used to sense the output voltage for regulation.
These pins collectively enable the TPS54040DGQ to regulate output voltage efficiently in various electronic devices.
The TPS54040DGQ comes in an 8-pin HVSSOP (DGQ) package. Here is a brief overview of its pin functions:
1. VIN: Power input voltage. Connect to the input supply voltage.
2. EN: Enable pin. Used to enable or disable the device.
3. SS/TR: Soft-start / Tracking pin. Used to control the startup time or track an external voltage.
4. COMP: Compensation pin. Connects to the compensation network to stabilize the feedback loop.
5. GND: Ground. Common return for the input and output voltage.
6. BOOT: Boot capacitor pin. Connects to a capacitor for the high-side gate drive.
7. SW: Switch node. Connects to the inductor and carries the switching current.
8. VSENSE: Feedback pin. Used to sense the output voltage for regulation.
These pins collectively enable the TPS54040DGQ to regulate output voltage efficiently in various electronic devices.
Manufacturer
The TPS54040DGQ is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company based in Dallas, Texas. It designs, manufactures, tests, and sells analog and embedded processing chips. TI is one of the largest semiconductor companies in the world, known for its broad portfolio of products that are used in a wide array of applications, including industrial, automotive, personal electronics, and communications equipment. The company plays a critical role in the electronics industry, providing components that help manage power, process data, and connect devices.
Application
The TPS54040DGQ is a step-down DC-DC converter from Texas Instruments designed for applications requiring efficient power regulation. Its applications include:
1. Industrial Automation: Used in control systems and sensors requiring stable power.
2. Telecommunications: Powers networking equipment and communication devices.
3. Consumer Electronics: Supports battery-powered gadgets, such as portable devices.
4. Automotive Systems: Provides power in infotainment and instrument clusters.
5. Distributed Power Systems: Used in point-of-load power supplies.
6. LED Lighting: Supplies power to LED drivers for consistent illumination.
These applications benefit from the device's high efficiency, low quiescent current, and wide input voltage range.
1. Industrial Automation: Used in control systems and sensors requiring stable power.
2. Telecommunications: Powers networking equipment and communication devices.
3. Consumer Electronics: Supports battery-powered gadgets, such as portable devices.
4. Automotive Systems: Provides power in infotainment and instrument clusters.
5. Distributed Power Systems: Used in point-of-load power supplies.
6. LED Lighting: Supplies power to LED drivers for consistent illumination.
These applications benefit from the device's high efficiency, low quiescent current, and wide input voltage range.
Package
The TPS54040DGQ is packaged in an 8-pin MSOP-PowerPAD (DGQ) package. This package type is designed to provide enhanced thermal performance through a thermal pad on the underside of the package, which helps dissipate heat efficiently.
