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TPS61280AYFFR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61280AYFFR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 54 page C 1.5µF X5R 6.3V (0402) I C (x2) 10µF X5R 6.3V (0603) O VBAT’ L 0.47 H TPS61280A SW SW VIN VIN VSEL BYP SCL SDA PGND PGND PGND EN VOUT VOUT GPIO AGND Battery 2.5V .. 4.35V Enable 1.8V Interrupt Forced Bypass / Auto Voltage Select I C Bus 2 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61280A, TPS61281A, TPS61282A SLVSCG9A – MAY 2014 – REVISED SEPTEMBER 2014 TPS6128xA Low-, Wide- Voltage Battery Front-End DC/DC Converter Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications 1 Features 3 Description The TPS6128xA device provides a power supply 1 • 95% Efficiency at 2.3MHz Operation solution for products powered by either by a Li-Ion, • 3µA Quiescent Current in Low IQ Pass-Through Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery. Mode The voltage range is optimized for single-cell portable • Wide VIN Range From 2.3V to 4.8V applications like in smart-phones or tablet PCs. • IOUT ≥ 4A (Peak) at VOUT = 3.35V, VIN ≥ 2.65V Used as a high-power pre-regulator, the TPS6128xA • Integrated Pass-Through Mode (35m Ω) extends the battery run-time and overcomes input current- and voltage limitations of the powered • Programmable Valley Inductor Current Limit and system. Output Voltage While in shutdown, the TPS6128xA operates in a true • True Pass-Through Mode During Shutdown pass-through mode with only 3µA quiescent • Best-in-Class Line and Load Transient consumption for longest battery shelf life. • Low-Ripple Light-Load PFM Mode During operation, when the battery is at a good state- • In-Situ Customization with On-Chip E2PROM of-charge, a low-ohmic, high-efficient integrated pass- (Write Protection) through path connects the battery to the powered • Two Interface Options: system. – I2C Compatible I/F up to 3.4Mbps If the battery gets to a lower state of charge and its (TPS61280A) voltage becomes lower than the desired minimum system voltage, the device seamlessly transits into – Simple I/O Logic Control Interface boost mode to uses the full battery capacity. (TPS6128xA) • Thermal Shutdown and Overload Protection Device Information(1) • Total Solution Size < 20mm2, Sub 1-mm Profile PART NUMBER PACKAGE BODY SIZE (NOM) TPS61280A 2 Applications TPS61281A DSBGA (16) 1.66 mm x 1.66 mm • Single-Cell Ni-Rich, Si-Anode, Li-Ion, LiFePO4 TPS61282A Smart-Phones or Tablet PCs (1) For all available packages, see the orderable addendum at • 2.5G/3G/4G Mini-Module Data Cards the end of the datasheet. • Current Limited Applications Featuring High Peak Power Loads 4 Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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