Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 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 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Обзор
Description
The TPS61165DBVR is a high-efficiency LED driver IC designed by Texas Instruments. It is primarily used for driving high-brightness LEDs in various applications such as backlighting, general illumination, and portable devices. This device operates with a wide input voltage range of 3V to 18V, making it versatile for different power supply conditions.
The TPS61165DBVR features a built-in 40V, 1.2A switch allowing it to drive up to ten LEDs in series. Its high switching frequency (up to 1.2 MHz) facilitates the use of small external components, reducing overall solution size. The device provides precise LED current regulation, ensuring consistent brightness levels.
Additional features include PWM (pulse-width modulation) dimming for brightness control, soft-start for inrush current management, and various protection mechanisms like over-voltage, open LED, and thermal shutdown, enhancing reliability. Its compact SOT-23-6 package makes it suitable for space-constrained designs. Overall, the TPS61165DBVR is a robust solution for efficient and flexible LED driving applications.
The TPS61165DBVR features a built-in 40V, 1.2A switch allowing it to drive up to ten LEDs in series. Its high switching frequency (up to 1.2 MHz) facilitates the use of small external components, reducing overall solution size. The device provides precise LED current regulation, ensuring consistent brightness levels.
Additional features include PWM (pulse-width modulation) dimming for brightness control, soft-start for inrush current management, and various protection mechanisms like over-voltage, open LED, and thermal shutdown, enhancing reliability. Its compact SOT-23-6 package makes it suitable for space-constrained designs. Overall, the TPS61165DBVR is a robust solution for efficient and flexible LED driving applications.
Equivalent
The TPS61165DBVR is a high-brightness LED driver by Texas Instruments. Equivalent products include the LT3517 by Analog Devices, the MAX16819 by Maxim Integrated, and the NCP3065 by ON Semiconductor. These components also serve as high-efficiency LED drivers suitable for similar applications. However, specific compatibility should be verified based on electrical characteristics, pin configuration, and performance requirements.
Features
The TPS61165DBVR is a high-efficiency LED driver from Texas Instruments, designed for applications requiring precise control and flexible power management for LED illumination. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 18V, supporting various power sources.
2. High Efficiency: Achieves up to 90% efficiency for extended battery life.
3. Adjustable LED Current: Offers adjustable LED current via an external resistor and PWM dimming, enabling brightness control.
4. Integrated Power Switch: Includes a 40V, 1.2A internal power switch for compact design.
5. Protection Features: Equipped with overvoltage, overcurrent, and thermal shutdown protection.
6. Small Package Size: Available in a small SOT-23-6 package, ideal for space-constrained applications.
7. Switching Frequency: Operates typically at 1.2 MHz, allowing the use of smaller external components.
These features make the TPS61165DBVR suitable for LED backlighting in portable electronics, LCD displays, and other battery-powered devices requiring efficient LED driving capabilities.
1. Wide Input Voltage Range: Operates from 3V to 18V, supporting various power sources.
2. High Efficiency: Achieves up to 90% efficiency for extended battery life.
3. Adjustable LED Current: Offers adjustable LED current via an external resistor and PWM dimming, enabling brightness control.
4. Integrated Power Switch: Includes a 40V, 1.2A internal power switch for compact design.
5. Protection Features: Equipped with overvoltage, overcurrent, and thermal shutdown protection.
6. Small Package Size: Available in a small SOT-23-6 package, ideal for space-constrained applications.
7. Switching Frequency: Operates typically at 1.2 MHz, allowing the use of smaller external components.
These features make the TPS61165DBVR suitable for LED backlighting in portable electronics, LCD displays, and other battery-powered devices requiring efficient LED driving capabilities.
Pinout
The TPS61165DBVR is a high-brightness LED driver specifically designed for portable applications. It comes in a 6-pin SOT-23 package. Here is a brief description of its pin functions:
1. SW (Pin 1): This is the switch pin where the inductor is connected. It is the output of the internal power switch.
2. GND (Pin 2): Ground pin for the device.
3. FB (Pin 3): Feedback pin. This pin is connected to the cathode of the LED load and the current sense resistor. It regulates the voltage across the load.
4. CTRL/EN (Pin 4): Control/Enable pin. It is used to enable or disable the device and can also be used for PWM dimming control.
5. OVP (Pin 5): Over-voltage protection pin. Connects to the output to detect over-voltage conditions.
6. VIN (Pin 6): Input voltage pin for the device.
The TPS61165DBVR is utilized for driving high-current LEDs with a current up to 1.2 A and provides high efficiency and excellent current regulation.
1. SW (Pin 1): This is the switch pin where the inductor is connected. It is the output of the internal power switch.
2. GND (Pin 2): Ground pin for the device.
3. FB (Pin 3): Feedback pin. This pin is connected to the cathode of the LED load and the current sense resistor. It regulates the voltage across the load.
4. CTRL/EN (Pin 4): Control/Enable pin. It is used to enable or disable the device and can also be used for PWM dimming control.
5. OVP (Pin 5): Over-voltage protection pin. Connects to the output to detect over-voltage conditions.
6. VIN (Pin 6): Input voltage pin for the device.
The TPS61165DBVR is utilized for driving high-current LEDs with a current up to 1.2 A and provides high efficiency and excellent current regulation.
Manufacturer
The TPS61165DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing analog and embedded processing chips. The company produces a wide range of products, including integrated circuits that are used in various applications such as industrial, automotive, consumer electronics, communications equipment, and enterprise systems. TI is recognized for its expertise in analog and digital signal processing, with a focus on developing innovative technologies that enhance energy efficiency, performance, and total system cost.
Application
The TPS61165DBVR is a high-efficiency boost converter designed for LED backlighting applications. Its application areas include:
1. LED Backlighting: Used primarily for driving white LEDs in backlight displays for portable devices like smartphones, tablets, and GPS units.
2. Display Screens: Applicable in LCD screens needing efficient, compact backlighting solutions.
3. Flashlights and LED Lighting: Suitable for high-brightness LED lighting applications such as flashlights and camera flash units.
4. Industrial Lighting: Employed in various industrial lighting systems requiring reliable LED drivers.
5. Consumer Electronics: Utilized in products that benefit from compact and efficient LED driving, such as digital cameras and portable media players.
Its compact size and efficiency make it ideal for portable and space-constrained applications.
1. LED Backlighting: Used primarily for driving white LEDs in backlight displays for portable devices like smartphones, tablets, and GPS units.
2. Display Screens: Applicable in LCD screens needing efficient, compact backlighting solutions.
3. Flashlights and LED Lighting: Suitable for high-brightness LED lighting applications such as flashlights and camera flash units.
4. Industrial Lighting: Employed in various industrial lighting systems requiring reliable LED drivers.
5. Consumer Electronics: Utilized in products that benefit from compact and efficient LED driving, such as digital cameras and portable media players.
Its compact size and efficiency make it ideal for portable and space-constrained applications.
Package
The TPS61165DBVR is packaged in a SOT-23-6 (Small Outline Transistor) form factor. This package type is compact, making it suitable for space-constrained applications, and typically features six pins.
