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TPS54360B-Q1 – Automotive, 60V Input, 3.5A, Step-Down DC-DC Converter With Eco-mode
Texas Instruments TPS543xx/-Q1 and TPS545xx/-Q1 are 42V input 3.5A and 5A step-down DC-DC converters with an integrated high side MOSFET. TI TPS54360 and TPS54560 are 60V input 3.5A and 5A DC-DC converters with integrated high side MOSFET. TPS54341 / TPS54541 and TPS54361 / TPS54561 devices offer 100kHz to 2.5MHz adjustable switching frequency while TPS543x0 and TPS545x0 devices have 100kHz to 2.5MHz fixed switching frequency. These TI step-down converters survive load dump pulses up to 65V per ISO 7637. All of the parts offer high efficiency at light loads with pulse skipping Eco-mode. The TPS543xx-Q1 & TPS545xx-Q1 devices are AEC-Q100 qualified for automotive applications.
Sample Application
Features
- Integrated High Side MOSFET
- High Efficiency at Light Loads with Pulse Skipping Eco-mode
- 100kHz to 2.5MHz Fixed or Adjustable Switching Frequency
- Internal Soft Start
- -40°C to 150°C TJ Operating Range
more information: https://www.ti.com/product/TPS54360B-Q1
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Like most everything else these days the TPS54360B-Q1 is unobtanium:
0 stock everywhere:
https://www.findchips.com/search/TPS54360B-Q1
Mouser, 0 stock 20,000 on order 41 week lead time (Wow!), qty.-1 $5.39, qty.-2,500 (full reel) $3.12 each:
https://www.mouser.com/ProductDetail/Texas-Instruments/TPS54360BQDDARQ1?qs=Mv7BduZupUh13Wo6TnSoLg%3D%3D
Also, a modern buck converter with an internal series switch (especially one touting an “Eco-Mode”) should never require an external Schottky diode. The diode should be replaced by a second internal switch; much more efficient & saves money.