TPS61281YFFT

具有同步升压旁路的 3A、电池前端直流/直流转换器1S 锂离子、富镍、硅阳极 16-DSBGA -40 to 85

DESCRIPON

The TPS6128x 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 TPS6128x extends the battery run-time and overcomes input current- and voltage limitations of the powered system.

FEATURES

• 95% Efficiency at 2.3MHz Operation

• 2µA 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 Protect

• Two Interface Options:

– I2C Compatible I/F up to 3.4Mbps TPS61280

– Simple I/O Logic Control Interface TPS6128x

• Thermal Shutdown and Overload Protection

• Total Solution Size <20mm2, Sub 1-mm Profile

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