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The TPS61088 is a high power density fully integrated boost converter with an 11mΩ power switch and a 13mΩ rectifier switch, providing an efficient small form factor solution for portable systems. The TPS61088 has a wide input voltage range of 2.7V to 12V to support applications using single or two-cell Li-ion batteries. The device has 10A switching current capability and can provide output voltages up to 12.6V.

The TPS61088 uses an adaptive constant off-time peak current control topology to regulate the output voltage. Under moderate to heavy load conditions, the TPS61088 operates in PWM mode. Under light load conditions, the device can select one of the following two modes of operation via the MODE pin. One is PFM mode, which improves efficiency; the other is forced PWM mode, which avoids application problems caused by lower switching frequencies. The switching frequency in PWM mode can be adjusted from 200kHz to 2.2MHz by an external resistor. The TPS61088 also implements a programmable soft-start function and an adjustable switch peak current limit function. In addition, the device provides 13.2V output overvoltage protection, cycle-by-cycle overcurrent protection, and thermal shutdown protection.

The TPS61088 is available in a 20-pin 4.50mm × 3.50mm VQFN package.

characteristic

Input Voltage Range: 2.7V to 12V

Output Voltage Range: 4.5 to 12.6V

10A switch current

Up to 91% Efficiency at VIN = 3.3V, VOUT= 9V, and IOUT = 3A

Pulse Frequency Modulation (PFM) and Forced Pulse Width Modulation (PWM) modes are available at light load conditions

During shutdown, VIN pin current is 1.0μA

Resistor-Programmable Switch Peak Current Limit

Adjustable Switching Frequency Range: 200kHz to 2.2MHz

Programmable soft start

13.2V output overvoltage protection

Cycle-by-cycle overcurrent protection

thermal shutdown

20-Pin 4.50mm × 3.50mm Ultra Thin Quad Flat No-Lead (VQFN) Package

application

Portable Card POS (POS) Terminals

bluetooth speaker

e-cigarette

Thunderbolt port

fast charging power bank