The TPS53624 is a dual-phase step down controller with integrated gate drivers. The PCNT
pin enables operation in dual or single-phase mode to optimize efficiency depending on the load
requirements. Advanced control features such as D-CAP+™ architecture and OSR provides fast
transient response with low output capacitance. The DAC supports VID-on-the-fly to optimize the
output voltage to the operating state of the system to reduce quiescent power. The auto-skip
feature of the TPS53624 optimizes light-load efficiency in single phase operation. System
management features include adjustable thermal monitor input and output (THRM,
THAL), output current monitoring (IMON), and complimentary power good
signals (PG and PGD). Adjustable control of the output voltage slew rate and
voltage positioning are provided. In addition, the TPS53624 includes two high-current FET gate
drivers to drive high and low side N-channel FETs with exceptionally high speed and low switching
loss. All logic input and output pins have flexible LV input and output thresholds that enable
interface with logic voltages from 1 V to 3.6 V.
The TPS53624 is packaged in a space saving, thermally enhanced, RoHS compliant 40-pin QFN
and is rated to operate from –10°C to 105°C.
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