The TPS61170DRVR is a high-voltage switch-mode regulator from Texas Instruments (TI), designed for compact, efficient power conversion in a variety of applications. This device integrates a 1.2A, 40V power MOSFET and supports multiple topology configurations, including boost and SEPIC converters. Operating from a wide input voltage range of 3V to 18V, it delivers output voltages up to 38V, making it suitable for applications requiring high-voltage outputs from low or variable input sources.

Key Features

• High Efficiency: Achieves up to 93% efficiency at 5V input, thanks to its 1.2MHz fixed switching frequency, enabling the use of compact, low-profile inductors and ceramic capacitors.
• Flexible Topology: Configurable for boost, SEPIC, or other isolated/non-isolated topologies.
• Protection Mechanisms: Includes overcurrent protection, thermal shutdown, soft-start, and pulse-width modulation (PWM) dimming capability for adjustable output voltage via the CTRL pin.
• Compact Footprint: Packaged in a 6-pin 2mm×2mm QFN, ideal for space-constrained designs.
• External Compensation: Allows customization of loop stability and transient response.

Applications

Primarily used in portable electronics for backlighting (e.g., smartphones, tablets), the TPS61170DRVR also serves industrial applications such as ADSL modems, industrial automation, HVAC systems, and battery-powered devices requiring reliable high-voltage conversion.

Summary

The TPS61170DRVR combines high efficiency, versatility, and robust protection features, making it a premier choice for applications demanding compact, high-voltage DC-DC conversion. Its integration of advanced power management and TI’s proven analog expertise ensures reliable performance across diverse markets, from consumer electronics to industrial control systems.