Manufacturer
Texas Instruments
Description
IC REG BCK BST ADJ 2A 10WSON
TPS63060DSCR Description
The TPS63060 devices provide a power supply solution for products
powered by either three-cell up to six-cell alkaline, NiCd or NiMH
battery, or a one-cell or dual-cell Li-Ion or Li-polymer battery.
Output currents can go as high as 2 A while using a dual-cell
Li-Ion or Li-polymer battery, and discharge to 5 V or lower. The
buck-boost converter is based on a fixed frequency, pulse width
modulation (PWM) controller using synchronous rectification to
obtain maximum efficiency. At low load currents, the converter
enters power save mode to maintain high efficiency over a wide load
current range. The power save mode can be disabled, forcing the
converter to operate at a fixed switching frequency. The maximum
average current in the switches is limited to a typical value of
2.25 A. The output voltage is programmable using an external
resistor divider, or is fixed internally on the chip. The converter
can be disabled to minimize battery drain. During shutdown, the
load disconnects from the battery. The devices are available in a 3
mm × 3 mm, 10-pin, WSON (DSC) package.
TPS63060DSCR Features
Input voltage range: 2.5 V to 12 V
Efficiency: Up to 93%
Automatic transition between step down and boost mode
Typical device quiescent current: < 30 μA
Fixed and adjustable output voltage options from 2.5 V to 8 V
Power save mode for improved efficiency at low output power
Forced fixed-frequency operation at 2.4 MHz and synchronization
possible
Power good output
Buck-Boost Overlap Control?
Load disconnect during shutdown
Overtemperature protection
Overvoltage protection
TPS63060DSCR Applications
Dual Li-ion application
Digital still cameras (DSC) and camcorders
Notebook computer
Industrial metering equipment
Ultra mobile PCs and mobile internet devices
Personal medical products
High-power LEDs
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