Texas Instruments

TPS61177ARGRR  

External/Internal LED Drivers

TPS61177ARGRR Description

The TPS61177ARGRR is a high-performance, 6-channel DC-DC regulator from Texas Instruments, designed for backlight applications. This surface-mount device offers a wide input voltage range of 2.5V to 24V and provides an output voltage range of 4.5V to 39V. With a maximum output current of 30mA per channel and a switching frequency of 1.2MHz, the TPS61177ARGRR delivers efficient power conversion and dimming capabilities.

TPS61177ARGRR Features

• Active Product Status: The TPS61177ARGRR is currently in production and readily available for purchase.
• Internal Switches: The device features integrated switches, reducing external component count and simplifying the design.
• Wide Input Voltage Range: The TPS61177ARGRR can handle input voltages from 2.5V to 24V, making it suitable for various power supply scenarios.
• Output Voltage Range: The output voltage can be adjusted between 4.5V and 39V, providing flexibility for different backlight requirements.
• 6 Independent Outputs: The TPS61177ARGRR offers six independent output channels, allowing for precise control of multiple backlight LEDs.
• Analog and PWM Dimming: The device supports both analog and PWM dimming, enabling smooth and efficient brightness control.
• 1.2MHz Switching Frequency: The high switching frequency reduces the size of external components, enabling compact designs.
• 30mA Output Current: Each output channel can deliver up to 30mA, suitable for driving small to medium-sized LEDs.
• RoHS3 Compliance: The TPS61177ARGRR meets RoHS3 requirements, ensuring environmental compliance.
• REACH Unaffected: The device is not affected by REACH regulations, ensuring uninterrupted supply.
• Moisture Sensitivity Level 2: The TPS61177ARGRR has a moisture sensitivity level of 2, allowing for 1-year storage without baking.

TPS61177ARGRR Applications

The TPS61177ARGRR is ideal for backlight applications in various electronic devices, including:

• LCD Displays: The device can be used to drive the backlight LEDs in LCD displays, providing precise brightness control and efficient power conversion.
• LED Lighting: The TPS61177ARGRR can be used in LED lighting systems, such as automotive headlights or interior lighting, offering dimming capabilities and efficient power management.
• Portable Devices: The device is suitable for portable devices with backlight requirements, such as smartphones, tablets, and wearables, providing efficient power conversion and compact design.

Conclusion of TPS61177ARGRR

The TPS61177ARGRR from Texas Instruments is a versatile and high-performance DC-DC regulator designed for backlight applications. Its wide input voltage range, multiple output channels, and dimming capabilities make it an ideal choice for various electronic devices. With its RoHS3 compliance and REACH unaffected status, the TPS61177ARGRR ensures environmental compliance and uninterrupted supply. Its compact design,1.2MHz switching frequency, and integrated switches make it suitable for space-constrained applications. Overall, the TPS61177ARGRR offers a reliable and efficient solution for backlight LED driving and dimming in a wide range of electronic devices.

TPS61177ARGRR Documents

Download datasheets and manufacturer documentation for TPS61177ARGRR

Datasheets :

TPS61177A      

PCN Packaging :

Retraction of Parts 27/Aug/2018       Pin One 07/May/2018      

Design Resources :

Lighting Product Selector      

HTML Datasheet :

TPS61177A      

PCN Design/Specification :

Mult Dev Material Chg 29/Mar/2018