TPS53219ARGTR Power Path Management IC Switching Controllers Wide Vin,Eco-Mode Sgl Sync Step Cntrlr

1 Features

• Conversion input voltage range: 3 V to 28 V

• VDD input voltage range: 4.5 V to 25 V

• Output voltage range: 0.6 V to 5.5 V

• Wide output load range: 0 A to > 20 A

• Built-in 0.6-V (±0.8%) reference

• Built-in LDO linear voltage regulator

• Auto-skip Eco-ModeTM for light-load efficiency

• D-CAPTM mode with 100-ns load-step response

• Adaptive ON-time control architecture with 8 selectable frequency settings

• 4700ppm/°C RDS(on) current sensing

• 0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms selectable internal voltage servo soft start

• Pre-charged start-up capability

• Built-in output discharge

• Open-drain power-good output

• Integrated boost switch

• Built-In OVP/UVP/OCP

• Thermal shutdown (non-latch)

• 3-mm × 3-mm QFN, 16-Pin (RGT) package

2 Applications

• Storage computers
• Server computers
• Multi-function printers

• Embedded computing

3 Description

The TPS53219A device is a small-sized single buck controller with adaptive ON-time D-CAP mode control. The device is suitable for low output voltage, high current, PC system power rail and similar point- of-load (POL) power supplies in digital consumer products. The small package and minimal pin-count save space on the PCB, while the dedicated EN pin and pre-set frequency selections simplify the power supply design. The skip mode at light load conditions, strong gate drivers, and low-side FET RDS(on) current sensing supports low-loss and high efficiency, over a broad load range. The conversion input voltage (high- side FET drain voltage) range is between 4.5 V and 25 V, and the output voltage range is between 0.6 V and 5.5 V. The TPS53219A is available in a 16-pin, QFN package specified from –40°C to +85°C.

Device Information