PMIC

Question

Hi , 
 Can you suggest the best component you have for the following descriptions, 
 1. DC DC buck regulator(9 V to 5 V)- Input spread voltage range preferred- 6 A Output Current 
 2. DC DC buck regulator(5 V to 3.3 V)- Input spread voltage range preferred- 3 A Output Current 
 3. Power ORing Circuit for USB PD ports We are designing our product with two USB PD ports. 
 One of them is used as Wall charger port and other one is used for PD by Laptops. So, Can you suggest ORing circuit to detect these ports and select output from these rails 
 
 --- 
 Thanks & Regards, 
 Akshay V

Audison · Accepted Answer

Hi Akshay V, 
 I can recommend a 4-switch buck-boost that is actually designed for USB PD specifications. You can check our LT8253/LT8253A which is a Type-C PD PMIC that can handle up to 100W with compliance for USB PD specifications with your own chosen PD port controller. You can also check our evaluation board for this product ( DC3004A ). 
 For Power ORing circuit, you can check LT4351 for high current application. 
 Thanks 
 Regards,)