TPS61120PW

Power Management - Specialized Overview

The TPS61120PW is a synchronous boost converter with an integrated 200-mA low-dropout regulator, designed for single-cell lithium-ion or dual-cell alkaline battery applications. It operates within an input voltage range of 1.8 V to 5.5 V and delivers a nominal output of 3.3 V. The device achieves up to 95% efficiency and utilizes pulse-width modulation control. Packaged in a 16-TSSOP format, it supports an operating temperature range from -40°C to 85°C.

Power Management - Specialized Feature Summary

• Integrates a high-efficiency synchronous boost converter with a dedicated 200-mA LDO for complete power supply solutions.
• Optimized for portable devices powered by one-cell Li-Ion/Li-Polymer batteries or two-cell alkaline configurations.
• Features current-mode control and pulse-width modulation technology for stable regulation.

Power Management - Specialized Applications

• Portable consumer electronics requiring efficient battery-powered operation
• Mobile communication devices utilizing single-cell lithium batteries
• Dual-cell alkaline battery powered handheld instruments

Power Management - Specialized Procurement Notes

Verify the specific package marking and manufacturer date code against official Texas Instruments documentation to ensure authenticity. Confirm that the component meets RoHS compliance standards as indicated in the datasheet. Cross-reference the ordering suffix with the manufacturer's official product selection guide to validate the exact variant and lead time requirements prior to procurement.

Power Management - Specialized Selection Notes

Select this component when designing systems powered by single-cell lithium-ion or dual-cell alkaline batteries requiring a regulated 3.3-V output. The integrated LDO provides auxiliary power for peripherals. Ensure the application load does not exceed the 200-mA LDO capacity. Consider thermal performance in compact enclosures due to the synchronous boost topology.

Power Management - Specialized Part Context

The TPS61120PW belongs to the TPS6112x family of synchronous boost converters from Texas Instruments. This series provides integrated power management solutions for portable applications. The PW suffix denotes the 16-TSSOP package type. Related variants include the TPS61121, which features a fixed 3.3-V boost output, offering flexibility for different system voltage requirements.

Power Management - Specialized Replacement Considerations

TPS61120PWG4 is a verified equivalent part number representing the same device with RoHS-compliant manufacturing specifications. Verify pin compatibility and electrical parameters before substitution.