The TPS6101x devices are boost converters intended for systems that are typically operated from a single- or dual-cell nickel-cadmium (NiCd), nickel-metal hydride (NiMH), or alkaline battery.
The converter output voltage can be adjusted from 1.5 V to a maximum of 3.3 V, by an external resistor divider or, is fixed internally on the chip. The devices provide an output current of 200 mA with a supply voltage of only 0.9 V. The converter starts up into a full load with a supply voltage of only 0.9 V and stays in operation with supply voltages down to 0.8 V.
The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) controller that goes automatically into power save mode at light load. It uses a built-in synchronous rectifier, so, no external Schottky diode is required and the system efficiency is improved. The current through the switch is limited to a maximum value of 1300 mA. The converter can be disabled to minimize battery drain. During shutdown, the load is completely isolated from the battery.
An autodischarge function allows discharging the output capacitor during shutdown mode. This is especially useful when a microcontroller or memory is supplied, where residual voltage across the output capacitor can cause malfunction of the applications. When programming the ADEN-pin, the autodischarge function can be disabled. A low-EMI mode is implemented to reduce interference and radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in the micro-small space saving 10-pin MSOP package. The TPS61010 is also available in a 3 mm × 3 mm 10-pin QFN package.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | TPS6101x High-Efficiency, 1-Cell and 2-Cell Boost Converters datasheet (Rev. F) | PDF | HTML | 04 ago 2015 |
| Application note | Basic Calculation of a Boost Converter's Power Stage (Rev. D) | PDF | HTML | 28 oct 2022 | |
| Application note | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 11 dic 2018 | ||
| Application note | Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) | 29 nov 2017 | ||
| Application note | Extending the Soft Start Time Without a Soft Start Pin (Rev. B) | 15 jun 2017 | ||
| 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 | ||
| Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 15 sep 2006 | ||
| More literature | Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies | 15 feb 2001 |
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| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| VSSOP (DGS) | 10 | Ultra Librarian |
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