規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 65V |
| Current - Output / Channel | 500mA |
| Frequency | 500kHz |
| Dimming | Analog, PWM |
| Applications | Lighting |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TPS92511DDAR is a high-performance, constant-current LED driver from Texas Instruments. It is designed primarily for applications requiring precise current regulation, such as in automotive, industrial, and general-purpose lighting. This device is part of the TPS92511 series, featuring a buck converter topology to efficiently drive high-brightness LEDs.
Key features include a wide input voltage range, typically around 4.5V to 42V, which makes it suitable for various power supply sources. The TPS92511DDAR offers a typical output current of up to 1.5A, with adjustable current regulation achieved through external resistors. It also includes several protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and longevity.
The device is available in a thermally efficient, low-profile SOIC-8 package, making it suitable for space-constrained designs. Its efficient power conversion capabilities and robust protection features make the TPS92511DDAR a versatile choice for LED lighting applications.
Key features include a wide input voltage range, typically around 4.5V to 42V, which makes it suitable for various power supply sources. The TPS92511DDAR offers a typical output current of up to 1.5A, with adjustable current regulation achieved through external resistors. It also includes several protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing its reliability and longevity.
The device is available in a thermally efficient, low-profile SOIC-8 package, making it suitable for space-constrained designs. Its efficient power conversion capabilities and robust protection features make the TPS92511DDAR a versatile choice for LED lighting applications.
Equivalent
The TPS92511DDAR is a high-brightness LED driver by Texas Instruments. Equivalent products could include LED drivers with similar specifications from manufacturers like ON Semiconductor, NXP, or Microchip. Consider devices like the LT3518 from Analog Devices, the AL8862 from Diodes Incorporated, or the PT4115 from PowTech to find compatible alternatives, but verify electrical characteristics, package, and performance for precise matching.
Features
The TPS92511DDAR is a high-performance LED driver designed for efficient and reliable operation. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range, allowing it to operate in various applications.
2. High Efficiency: The device offers high efficiency, minimizing power loss and heat generation during operation.
3. Adjustable Output Current: It provides adjustable output current, enabling precise control over LED brightness.
4. Integrated MOSFET: The driver includes an integrated MOSFET, simplifying design and reducing external component count.
5. Dimming Capability: It supports both analog and PWM dimming, offering flexibility in controlling LED intensity.
6. Protection Features: It comes with built-in protection features such as overcurrent, thermal shutdown, and open/short LED protection, ensuring robust operation.
7. Compact Package: The device is offered in a compact, thermally enhanced package, which is ideal for space-constrained applications.
These features make the TPS92511DDAR suitable for a range of LED lighting applications, including automotive, industrial, and consumer electronics.
1. Wide Input Voltage Range: It supports a broad input voltage range, allowing it to operate in various applications.
2. High Efficiency: The device offers high efficiency, minimizing power loss and heat generation during operation.
3. Adjustable Output Current: It provides adjustable output current, enabling precise control over LED brightness.
4. Integrated MOSFET: The driver includes an integrated MOSFET, simplifying design and reducing external component count.
5. Dimming Capability: It supports both analog and PWM dimming, offering flexibility in controlling LED intensity.
6. Protection Features: It comes with built-in protection features such as overcurrent, thermal shutdown, and open/short LED protection, ensuring robust operation.
7. Compact Package: The device is offered in a compact, thermally enhanced package, which is ideal for space-constrained applications.
These features make the TPS92511DDAR suitable for a range of LED lighting applications, including automotive, industrial, and consumer electronics.
Pinout
The TPS92511DDAR is a high-brightness LED driver from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The main function of the TPS92511 is to provide a constant current to drive high-brightness LEDs efficiently. It operates as a buck (step-down) converter, capable of handling input voltages typically up to 42V. This driver is designed to deliver accurate LED current regulation, supporting dimming functions through PWM or analog dimming interfaces. The device is suitable for various applications, including automotive and general lighting, where efficient and reliable LED driving is required.
Manufacturer
The TPS92511DDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and analog chips. TI is known for its innovations in the fields of analog and digital signal processing, battery management, microcontrollers, and power management solutions, among others. The company serves various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is headquartered in Dallas, Texas, and is recognized as one of the leading players in the semiconductor industry.
Application
The TPS92511DDAR is a high-power LED driver IC designed for efficient and precise control of LED lighting solutions. Application areas include:
1. General Lighting: Used in residential, commercial, and industrial LED fixtures.
2. Automotive Lighting: Ideal for headlights, taillights, and interior illumination.
3. Display Backlighting: Provides uniform lighting for LCD and LED screens.
4. Architectural Lighting: Used in decorative and accent lighting installations.
5. Street and Outdoor Lighting: Suitable for energy-efficient public lighting solutions.
6. Emergency and Signage Lighting: Ensures reliability and efficiency in critical applications.
The TPS92511DDAR's features, such as dimming capability and thermal management, make it versatile for various high-power LED applications.
1. General Lighting: Used in residential, commercial, and industrial LED fixtures.
2. Automotive Lighting: Ideal for headlights, taillights, and interior illumination.
3. Display Backlighting: Provides uniform lighting for LCD and LED screens.
4. Architectural Lighting: Used in decorative and accent lighting installations.
5. Street and Outdoor Lighting: Suitable for energy-efficient public lighting solutions.
6. Emergency and Signage Lighting: Ensures reliability and efficiency in critical applications.
The TPS92511DDAR's features, such as dimming capability and thermal management, make it versatile for various high-power LED applications.
Package
The TPS92511DDAR is an LED driver IC from Texas Instruments, and it comes in an HTSSOP (Thermally Enhanced Thin Shrink Small-Outline Package) package. Specifically, it is an 8-pin PowerPAD package, designed for enhanced thermal performance.
