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TPS63002

Texas Instruments
Part Number TPS63002
Manufacturer Texas Instruments
Description High-Efficient Single Inductor Buck-Boost Converter
Published Sep 17, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS63000, TPS63001, TPS63002 S...
Datasheet PDF File TPS63002 PDF File

TPS63002
TPS63002

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS63000, TPS63001, TPS63002 SLVS520C – MARCH 2006 – REVISED OCTOBER 2015 TPS6300x High-Efficient Single Inductor Buck-Boost Converter With 1.
8-A Switches 1 Features •1 Input Voltage Range: 1.
8 V to 5.
5 V • Fixed and Adjustable Output Voltage Options from 1.
2 V to 5.
5 V • Up to 96% Efficiency • 1200-mA Output Current at 3.
3 V in Step-Down Mode (VIN = 3.
6 V to 5.
5 V) • Up to 800-mA Output Current at 3.
3 V in Boost Mode (VIN > 2.
4 V) • Automatic Transition Between Step-Down and Boost Mode • Device Quiescent Current less than 50 μA • Power-Save Mode for Improved Efficiency at Low Output Power • Forced Fixed Frequency Operation and Synchronization Possible • Load Disconnect During Shutdown • Overtemperature Protection • Available in a Small 3-mm × 3-mm 10-Pin VSON Package (QFN) 2 Applications • All Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products • Portable Audio Players • Smart Phones • Personal Medical Products • White LEDs 3 Description The TPS6300x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a onecell Li-ion or Li-polymer battery.
Output currents can go as high as 1200 mA while using a single-cell Li-ion or Li-polymer battery, and discharge it down to 2.
5 V or lower.
The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency.
At low load currents, the converter enters power-save mode to maintain high efficiency over a wide load current range.
The powersave mode can be disabled, forcing the converter to operate at a fixed switching frequency.
The maximum average current in the switches is limited to a typical value of 1800 mA.
The output voltage is programmable using an external resistor divider, or is fixed internally on the chip.
The converter can be di...


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