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The TPS61252 device provides a power supply solution for products powered by either a three-cell alkaline, NiCd or NiMH battery, or an one-cell Li-Ion or Li-polymer battery. The wide input voltage range is ideal to power portable applications like mobile phones or computer peripherals. The device has a resistor programmable (RILIM) input current limit and is suitable for a wide variety of applications.
During light loads, the device automatically enters skip mode (PFM), which allows the converter to maintain the required output voltage, while only drawing 30 µA quiescent current from the battery. This allows maximum efficiency at lowest quiescent currents.
TPS61252 allows the use of small inductors and capacitors to achieve a small solution size. The possibility to reduce the current limit by a external resistor offers the potential use of physically even smaller inductors with lower rated currents to further reduce total solution sizes of the power supply. During shutdown, the load is completely disconnected from the battery. The TPS61252 is available in a 8-pin WSON package measuring 2 mm × 2 mm (DSG).
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS61252 Tiny 1.5-A Boost Converter With Adjustable Input Current Limit datasheet (Rev. A) | PDF | HTML | 24 Dec 2014 |
| Application note | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 11 Dec 2018 | ||
| Application note | QFN and SON PCB Attachment (Rev. B) | PDF | HTML | 24 Aug 2018 | |
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Application note | Calculating and Measuring the No Load Input Current of the Boost Converter | 23 Sep 2016 | ||
| Application note | Five Steps to a Good PCB Layout of the Boost Converter | PDF | HTML | 03 May 2016 | |
| Analog Design Journal | Design considerations for a resistive feedback divider in a DC/DC converter | 26 Apr 2012 | ||
| Application note | Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs | 19 Sep 2011 | ||
| Analog Design Journal | IQ: What it is, what it isn’t, and how to use it | 17 Jun 2011 | ||
| User guide | TPS61252 Evaluation Module | 26 Aug 2010 |
For additional terms or required resources, click any title below to view the detail page where available.
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| Package | Pins | Download |
|---|---|---|
| WSON (DSG) | 8 | View options |
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