DUAL-PHASE
PWM CONTROLLER WITH INTEGRATED DRIVERS
The
TPS40130 is a multiphase synchronous DC/DC buck
controller with integrated adaptive gate drivers. The
flexible power management device saves valuable board
space and simplifies power design for dual-channel,
multiphase systems supporting up to 60 A, such as DDR
memory banks, point-of-load DC/DC converters, DSPs,
and ASICs used in telecom and networking power supplies.

The
controller provides significantly higher performance
and power efficiency over competing PWM power supply
solutions. The controller can support input voltages
from 3 to 40 V, with output voltages from 0.7 to 6 V
at greater than 90% efficiency. The TPS40130 implements
fixed-frequency, peak current-mode control with single-cycle
current balance. High-accuracy current sensing can be
implemented with an external sense resistor or lossless
DC resistance current sensing can be used. For added
performance, an on-board differential load-sense amplifier
provides remote load sensing for high-current, high-accuracy
applications.
The
TPS40130 is equipped with all supervisory and control
features for today’s power supplies, including programmable
under-voltage lock out and over-voltage protection,
a power good indicator, synchronization input, programmable
over-current protection, and selectable load-line programming.
In addition, the differential load sense amplifier provides
remote load sensing for high-current applications. Packaged
in a 30-pin TSSOP, the suggested resale cost is $1.30
in quantities of 1,000 units.
Texas
Instruments
www.ti.com