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Texas Instruments TPS552882/TPS552882-Q1 Buck-Boost Converters offer 4-switches and can regulate the output voltage at, above, or below the input voltage. The TPS552882/TPS552882-Q1 operates over a 2.7V to 36V wide input voltage and can output 0.8V to 22V voltage to support a variety of applications.
The TI TPS552882/TPS552882-Q1 Buck-Boost Converters integrate two 16A MOSFETs of the boost leg, balancing the solution size and efficiency. An external resistor divider on the TPS552882/TPS552882-Q1 sets the output voltage with a 1.2V internal reference voltage. The TPS552882/TPS552882-Q1 delivers 100W from 12V input voltage. The TPS552882/TPS552882-Q1 applies an average current-mode control scheme. The switching frequency is programmable from 200kHz to 2.2MHz by an external resistor and is synchronized to an external clock. The Converters also provide an optionally spread spectrum to minimize peak EMI. The TPS552882-Q1 devices are AEC-Q100 qualified for automotive applications.
The TPS552882 supports output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit, and output short circuit protection. The TPS552882 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.
The TPS552882 can use a small inductor and small capacitors with high switching frequency. The device is available in a 4.0mm × 3.5mm HotRod QFN package.
