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TPS61161ADRVT

Up to 10 LEDs in Series

Inventory:6,234

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Overview of TPS61161ADRVT

The TPS61161ADRVT is a high-efficiency white LED driver designed for backlighting LCD displays in portable devices. This IC features integrated FETs for driving up to 10 LEDs and offers a wide input voltage range, making it suitable for various battery-powered applications.

Pinout

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

  • EN: Enable Pin
  • VIN: Input Voltage
  • BL: Backlight Dimming Control
  • VOUT: Output Voltage
  • PGND: Power Ground
  • LX: Inductor Connection
  • AGND: Analog Ground
  • C1, C2: Capacitor Connections
  • LED-: LED Cathode Connection
  • LED+: LED Anode Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS61161ADRVT IC for a better understanding of its application.

Key Features

  • High Efficiency: The TPS61161ADRVT offers high efficiency in driving white LEDs, reducing overall power consumption.
  • Wide Input Voltage Range: Operates with a wide input voltage range, making it suitable for battery-powered devices.
  • Integrated FETs: Features integrated FETs for driving up to 10 LEDs, simplifying the design and layout.
  • Backlight Dimming Control: Includes a backlight dimming control feature for adjusting the brightness of the LEDs.
  • Small Package: Available in a compact package for space-constrained applications.

Note: For detailed technical specifications, please refer to the TPS61161ADRVT datasheet.

Application

  • LCD Backlighting: Ideal for driving white LEDs used in backlighting LCD displays in portable electronic devices.
  • Portable Devices: Suitable for use in battery-powered portable devices requiring efficient LED drivers.
  • Display Applications: Used in various display applications where backlighting is needed.

Functionality

The TPS61161ADRVT is a high-efficiency white LED driver with integrated FETs, designed for backlighting LCD displays in portable devices.It provides efficient and reliable LED driving capabilities for optimal display performance.

Usage Guide

  • Power Supply: Connect VIN (Pin 2) to the input voltage source within the specified range.
  • LED Connections: Connect the LED+ (Anode) and LED- (Cathode) pins to the respective connections of the LEDs.
  • Dimming Control: Use the BL (Pin 3) pin for backlight dimming control to adjust LED brightness.

Frequently Asked Questions

Q: Is the TPS61161ADRVT suitable for dimmable backlight applications?
A: Yes, the TPS61161ADRVT features backlight dimming control for adjusting LED brightness in dimmable backlight applications.

Q: What is the maximum number of LEDs that can be driven by the TPS61161ADRVT?
A: The TPS61161ADRVT can drive up to 10 LEDs, providing flexibility in LED backlighting designs.

Equivalent

For similar functionalities, consider these alternatives to the TPS61161ADRVT:

  • LTC3455EDD: A white LED driver IC with similar features and performance characteristics to the TPS61161ADRVT.
  • BD6100GWL: This LED driver IC offers comparable functionality to the TPS61161ADRVT and is suitable for backlighting applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Vin (min) (V) 2.7
Vin (max) (V) 18 Vout (min) (V) 2.7
Vout (max) (V) 38 Type Inductive
Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93
LED current per channel (mA) 20 Peak efficiency (%) 90
Topology Boost Features EasyScale 1-Wire Interface, Load Disconnect During Shutdown
Operating temperature range (°C) -40 to 85 Rating Catalog

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Warranty, Returns, and Additional Information

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