TPS61158DRVR

The TPS61158DRVR is a synchronous boost converter with integrated FET designed for driving white LEDs in high brightness display backlighting applications. It provides efficient power conversion and dimming control for LED lighting systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VIN: Input Voltage
• SW: Switch Node
• FB: Feedback Input
• EN: Enable Pin
• RT: External Ramping Time Set
• SD: Shutdown Control
• VOUT: Output Voltage
• AGND: Analog Ground
• LX: Inductor Connection
• PWM: Dimming Control Input
• GND: Power Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS61158DRVR for a visual representation.

Key Features

• Synchronous Boost Converter: Efficiently drives white LEDs for high brightness display backlighting.
• Integrated FET: Eliminates the need for external FET components, simplifying the design.
• Dimming Control: Supports dimming functionality for LED brightness adjustment.
• Wide Input Voltage Range: Operates from a wide input voltage range for versatile application compatibility.
• High Efficiency: Provides high power conversion efficiency for energy-saving LED backlight systems.
• Compact Package: Available in a space-saving DRV (SOT-23-6) package.

Note: For detailed technical specifications, please refer to the TPS61158DRVR datasheet.

Application

• Display Backlighting: Ideal for driving white LEDs in high brightness display backlighting systems.
• LED Lighting Systems: Suitable for use in LED lighting applications that require efficient power conversion.
• Portable Devices: Used in portable devices with LED displays for power-efficient backlight control.

Functionality

The TPS61158DRVR is a synchronous boost converter with integrated FET that provides efficient power conversion for driving white LEDs. It offers dimming control and high efficiency, making it suitable for various LED backlighting applications.

Usage Guide

• Input Voltage: Connect VIN (Pin 1) to the input voltage source.
• Dimming Control: Use the PWM (Pin 10) input to adjust LED brightness through dimming control.
• Shutdown Control: Utilize the SD (Pin 5) pin for shutdown control to enable or disable the device.

Frequently Asked Questions

Q: Can the TPS61158DRVR support multiple LED strings?
A: The TPS61158DRVR is designed to drive a single LED string efficiently. For multiple LEDs, consider parallel configurations or alternative solutions.

Q: Does the TPS61158DRVR have overvoltage protection?
A: Yes, the TPS61158DRVR includes overvoltage protection to safeguard the LEDs and the driver circuitry from voltage spikes.