Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 3V |
| Voltage-Supply(Max) | 18V |
| Voltage-Output | 3V ~ 38V |
| Current-Output/Channel | 1.2A (Switch) |
| Frequency | 1.2MHz |
| Dimming | PWM |
| Applications | Automotive, Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 6-WDFN Exposed Pad |
Tổng quan
Description
The TPS61165DRVR is a high-efficiency, high-brightness LED driver designed by Texas Instruments. It is optimized for driving white LEDs in backlighting applications, such as LCD displays. The device operates with a wide input voltage range from 3 V to 18 V and can deliver an output current up to 1.2 A, making it suitable for a variety of power supply configurations.
Key features include a 40 V internal switch, which allows the driver to support multiple LEDs in series, and a high switching frequency of up to 1.2 MHz, contributing to smaller inductor and capacitor sizes. The TPS61165DRVR also integrates dimming functions, supporting both PWM (Pulse Width Modulation) and analog dimming for flexible brightness control. It features protection mechanisms like over-voltage, over-current, and thermal shutdown to ensure device reliability.
Packaged in a compact 6-pin WSON (DRV) package, the TPS61165DRVR is ideal for space-constrained applications. Its efficiency and versatility make it a popular choice for portable electronics, industrial lighting, and automotive display systems.
Key features include a 40 V internal switch, which allows the driver to support multiple LEDs in series, and a high switching frequency of up to 1.2 MHz, contributing to smaller inductor and capacitor sizes. The TPS61165DRVR also integrates dimming functions, supporting both PWM (Pulse Width Modulation) and analog dimming for flexible brightness control. It features protection mechanisms like over-voltage, over-current, and thermal shutdown to ensure device reliability.
Packaged in a compact 6-pin WSON (DRV) package, the TPS61165DRVR is ideal for space-constrained applications. Its efficiency and versatility make it a popular choice for portable electronics, industrial lighting, and automotive display systems.
Equivalent
The TPS61165DRVR is a high-brightness LED driver by Texas Instruments. Equivalent products include the LT3518 by Analog Devices, the MAX16834 by Maxim Integrated, and the NCP3065 by ON Semiconductor. These alternatives offer similar functionalities for driving high-brightness LEDs, such as step-up (boost) conversion, current regulation, and PWM dimming. Always check the datasheets to ensure compatibility with your specific application requirements.
Features
The TPS61165DRVR is a high-performance, constant-current boost converter designed for driving up to 10 white LEDs in series, primarily used in backlighting applications. Key features include:
1. Wide Input Voltage Range: Supports 3 V to 18 V, making it versatile for various power sources.
2. High Efficiency: Achieves up to 90% efficiency through its synchronous rectification and PWM control.
3. Adjustable Current: Offers a LED current regulation ranging from 5 mA to 1.2 A, adjustable via an external resistor.
4. Integrated Power MOSFET: Features a 40 V, 2 A switch for improved performance.
5. Dimming Control: Supports both PWM and analog dimming for flexible brightness control.
6. Protection Features: Includes overvoltage protection, thermal shutdown, and cycle-by-cycle current limit for enhanced reliability.
7. Compact Package: Available in a small 6-pin WSON package, ideal for space-constrained applications.
These features make the TPS61165DRVR suitable for a wide range of portable devices and applications requiring efficient and reliable LED backlighting solutions.
1. Wide Input Voltage Range: Supports 3 V to 18 V, making it versatile for various power sources.
2. High Efficiency: Achieves up to 90% efficiency through its synchronous rectification and PWM control.
3. Adjustable Current: Offers a LED current regulation ranging from 5 mA to 1.2 A, adjustable via an external resistor.
4. Integrated Power MOSFET: Features a 40 V, 2 A switch for improved performance.
5. Dimming Control: Supports both PWM and analog dimming for flexible brightness control.
6. Protection Features: Includes overvoltage protection, thermal shutdown, and cycle-by-cycle current limit for enhanced reliability.
7. Compact Package: Available in a small 6-pin WSON package, ideal for space-constrained applications.
These features make the TPS61165DRVR suitable for a wide range of portable devices and applications requiring efficient and reliable LED backlighting solutions.
Pinout
The TPS61165DRVR is a high-brightness LED driver from Texas Instruments, available in a WSON (DRV) package. It features a total of 6 pins. The primary function of the TPS61165 is to drive high-brightness white LEDs with a constant current, making it suitable for applications like LCD backlighting and general lighting.
Here is a brief description of its pin functions:
1. SW (Switch Node): Connects to the inductor and the anode of the Schottky diode; it's the power switch output.
2. GND (Ground): Common ground pin for the device.
3. FB (Feedback): This pin is used to regulate the LED current. It connects to the feedback resistor.
4. CTRL (Control): PWM dimming and enable control pin.
5. VIN (Input Voltage): Supply voltage for the device, typically ranging from 3V to 18V.
6. OVP (Overvoltage Protection): This pin provides protection when the output voltage exceeds a certain threshold, preventing damage.
The device is designed for efficient power conversion, with features such as current regulation, overvoltage protection, and thermal shutdown.
Here is a brief description of its pin functions:
1. SW (Switch Node): Connects to the inductor and the anode of the Schottky diode; it's the power switch output.
2. GND (Ground): Common ground pin for the device.
3. FB (Feedback): This pin is used to regulate the LED current. It connects to the feedback resistor.
4. CTRL (Control): PWM dimming and enable control pin.
5. VIN (Input Voltage): Supply voltage for the device, typically ranging from 3V to 18V.
6. OVP (Overvoltage Protection): This pin provides protection when the output voltage exceeds a certain threshold, preventing damage.
The device is designed for efficient power conversion, with features such as current regulation, overvoltage protection, and thermal shutdown.
Manufacturer
The TPS61165DRVR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company renowned for designing and manufacturing semiconductors and various integrated circuits. They supply a wide range of electronic components used in numerous applications, including computing, automotive, industrial, and consumer electronics. TI is well-known for its innovation and development of analog and embedded processing products, making it a key player in the global electronics industry.
Application
The TPS61165DRVR is a high-efficiency white LED driver commonly used in applications requiring precise current regulation for LED lighting. Key areas include:
1. Backlighting: It's used in LCD displays for devices like smartphones, tablets, and monitors, providing uniform brightness and energy efficiency.
2. Portable Lighting: Suitable for flashlights and camera flashes due to its compact size and high efficiency.
3. Automotive Lighting: Employed in dashboard displays and infotainment systems, ensuring consistent illumination.
4. General LED Lighting: Used in various LED lighting solutions where high brightness and efficiency are critical.
These applications leverage the TPS61165DRVR's high current accuracy, compact form factor, and low power consumption.
1. Backlighting: It's used in LCD displays for devices like smartphones, tablets, and monitors, providing uniform brightness and energy efficiency.
2. Portable Lighting: Suitable for flashlights and camera flashes due to its compact size and high efficiency.
3. Automotive Lighting: Employed in dashboard displays and infotainment systems, ensuring consistent illumination.
4. General LED Lighting: Used in various LED lighting solutions where high brightness and efficiency are critical.
These applications leverage the TPS61165DRVR's high current accuracy, compact form factor, and low power consumption.
Package
The TPS61165DRVR is a high-brightness LED driver from Texas Instruments, typically found in a WSON (DRC) package with 6 pins. It is compact, designed for high efficiency, and provides a reliable solution for driving LED applications.
