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TPS61280A

Texas Instruments
Part Number TPS61280A
Manufacturer Texas Instruments
Description Wide- Voltage Battery Front-End DC/DC Converter
Published Dec 16, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61280A, TPS61281A, TPS61282...
Datasheet PDF File TPS61280A PDF File

TPS61280A
TPS61280A

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61280A, TPS61281A, TPS61282A SLVSCG9B – MAY 2014 – REVISED SEPTEMBER 2016 TPS6128xA Low-, Wide- Voltage Battery Front-End DC/DC Converter Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications 1 Features •1 95% Efficiency at 2.
3MHz Operation • 3µA Quiescent Current in Low IQ Pass-Through Mode • Wide VIN Range From 2.
3V to 4.
8V • IOUT ≥ 4A (Peak) at VOUT = 3.
35V, VIN ≥ 2.
65V • Integrated Pass-Through Mode (35mΩ) • Programmable Valley Inductor Current Limit and Output Voltage • True Pass-Through Mode During Shutdown • Best-in-Class Line and Load Transient • Low-Ripple Light-Load PFM Mode • In-Situ Customization with On-Chip E2PROM (Write Protection) • Two Interface Options: – I2C Compatible I/F up to 3.
4Mbps (TPS61280A) – Simple I/O Logic Control Interface (TPS6128xA) • Thermal Shutdown and Overload Protection • Total Solution Size < 20mm2, Sub 1-mm Profile 2 Applications • Single-Cell Ni-Rich, Si-Anode, Li-Ion, LiFePO4 Smart-Phones or Tablet PCs • 2.
5G/3G/4G Mini-Module Data Cards • Current Limited Applications Featuring High Peak Power Loads 3 Description The TPS6128xA device provides a power supply solution for products powered by either by a Li-Ion, Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery.
The voltage range is optimized for single-cell portable applications like in smart-phones or tablet PCs.
Used as a high-power pre-regulator, the TPS6128xA extends the battery run-time and overcomes input current- and voltage limitations of the powered system.
While in shutdown, the TPS6128xA operates in a true pass-through mode with only 3µA quiescent consumption for longest battery shelf life.
During operation, when the battery is at a good stateof-charge, a low-ohmic, high-efficient integrated passthrough path connects the battery to the powered system.
If the battery gets to a lower state of charge and its voltage becomes lower than the desired minimum system voltage, the ...


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