TPS61022RWUR

The TPS61022 provides a power supply solution
for portable equipment and IoT devices powered
by various batteries and super capacitors. The
TPS61022 has minimum 6.5-A valley switch current
limit over full temperature range. With a wide input
voltage range of 0.5 V to 5.5 V, the TPS61022
supports supercapacitor backup power applications,
which may deeply discharge the supercapacitor.
The TPS61022 operates at 1-MHz switching
frequency when the input voltage is above 1.5 V. the
switching frequency decreases gradually to 0.6 MHz
when the input voltage is below 1.5 V down to 1 V.
A MODE pin sets the TPS61022 operating either in
power-save mode or forced PWM mode in light load
condition. The TPS61022 only consumes a 26-µA
quiescent current from VOUT in light load condition.
During shutdown, the load is completely disconnected
from the input power. The TPS61022 has 5.7-V output
overvoltage protection, output short-circuit protection,
and thermal shutdown protection.
The TPS61022 offers a very small solution size with
its 2-mm × 2-mm VQFN package and minimum
amount of external components


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    SPECIFICATION

    • Input voltage range: 0.5 V to 5.5 V
    • 1.8-V minimum input voltage for start-up
    • Output voltage setting range: 2.2 V to 5.5 V
    • Two 12-mΩ (LS) / 18-mΩ (HS) MOSFETs
    • 8-A valley switching current limit
    • 94.7% efficiency at VIN = 3.6 V, VOUT = 5 V and
    IOUT = 3 A
    • 1-MHz switching frequency when VIN > 1.5 V and
    0.6-MHz switching frequency when VIN < 1 V
    • ±2.5% reference voltage accuracy over –40°C to
    +125°C
    • Pin-selectable auto PFM operation mode or forced
    PWM operation mode at light load
    • Pass-through mode when VIN > VOUT
    • True disconnection between input and output
    during shutdown
    • Output overvoltage and thermal shutdown
    protections
    • Output short-circuit protection
    • 2-mm × 2-mm VQFN 7-pin package