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TPS51220RHBR

Power Management IC, Dual Sync Buck DC/DC Controller, 28 V Supply, VQFN-32

TEXAS INSTRUMENTS TPS51220RHBR
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Manufacturer Part No:
TPS51220RHBR
Order Code:
3124333

Product Overview

The TPS51220RHBR is a fixed frequency, notebook system Power Controller, dual synchronous buck regulator controller with 2 LDOs. It is optimized for 5/3.3V system controller, enabling designers to cost effectively complete 2-cell to 4-cell notebook system power supply. The TPS51220 supports high efficiency, fast transient response and 99% duty cycle operation. It supports supply input voltage ranging from 4.5 to 28V and output voltages from 1 to 12V. Two types of control schemes can be chosen depending on the application. Peak current mode supports stability operation with lower ESR capacitor and output accuracy. The D-CAP mode supports fast transient response. The high duty (99%) operation and the wide input/output voltage range supports flexible design for small mobile PCs and a wide variety of other applications. The fixed frequency can be adjusted from 200kHz to 1MHz by a resistor and each channel runs 180° out of phase.
  • Selectable light load operation (continuous / auto skip / out-of-audio skip)
  • Programmable droop compensation
  • Voltage servo adjustable soft start
  • Selectable current/D-CAP mode architecture
  • 180° Phase shift between channels
  • Resistor or inductor DCR current sensing
  • Powergood output for each channel
  • OCL/OVP/UVP/UVLO protections (OVP disable option)
  • Thermal shutdown (non-latch)
  • Output discharge function (disable option)
  • Integrated boot strap MOSFET switch

Applications

Computers & Computer Peripherals, Power Management

Product Information

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:
28V

:
2

:
2

:
2

:
VQFN

:
32Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 2 - 1 year
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