Texas Instruments

TPS60402DBVT

TPS60402DBVT Description

The TPS60402DBVT from Texas Instruments is a compact, fixed-output charge pump voltage inverter designed to deliver efficient voltage conversion in space-constrained applications. This DC-DC switching regulator operates with an input voltage range of 1.8V to 5.25V, providing a ratiometric inverted output voltage (e.g., -1.8V to -5.25V) with a 60mA output current capability. Its 50kHz switching frequency ensures stable performance while minimizing external component requirements. Packaged in a SOT23-5 form factor and available in Tape & Reel (TR), the TPS60402DBVT is ideal for portable and battery-powered systems.

TPS60402DBVT Features

• Wide Input Range: Supports 1.8V to 5.25V, making it versatile for various power sources.
• Compact & Efficient: Charge pump topology eliminates inductors, reducing PCB footprint.
• Low External Component Count: Requires only three small capacitors for operation.
• Ratiometric Output: Output voltage tracks input voltage (inverted), simplifying design.
• Low Quiescent Current: Optimized for battery-powered applications.
• Robust Compliance: ROHS3 and REACH unaffected, with MSL 1 (Unlimited) moisture sensitivity.
• Non-Synchronous Design: Cost-effective solution for low-power inversion needs.

TPS60402DBVT Applications

• Portable Electronics: Ideal for generating negative rails in smartphones, wearables, and IoT devices.
• Signal Conditioning: Used in op-amp biasing, sensor interfaces, and data acquisition systems.
• LCD Displays: Provides negative voltage for LCD bias and contrast control.
• Industrial & Medical: Suitable for low-noise, compact power solutions in handheld instruments.
• Battery-Powered Systems: Efficiently inverts voltage in energy-harvesting and backup circuits.

Conclusion of TPS60402DBVT

The TPS60402DBVT stands out as a highly integrated, low-BOM solution for voltage inversion, offering simplicity, efficiency, and reliability in a tiny SOT23 package. Its wide input range, ratiometric output, and minimal external components make it a preferred choice for designers prioritizing space, cost, and performance. Whether for consumer electronics, industrial systems, or medical devices, this charge pump inverter delivers a robust and compact power conversion solution.