New Generation Switching Power Manager with USB On-the-Go

New Generation Switching Power Manager with USB On-the-Go ,[object Object]

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design Challenges for USB-capable Charger ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Solution for the Challenges - LTC3576 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PowerPath Control ,[object Object],[object Object],[object Object],[object Object],USB Power in Power Out Step down regulator USB Current Limit Program & Monitor

USB On-the-Go (OTG) ,[object Object]

Input Current Limit Program ,[object Object],[object Object],[object Object],[object Object],D6 I LIM1 / C1 I LIM0 / C0 USB Setting X 0 0 1x Mode (USB 100mA Limit) X 0 1 10x Mode (Wall 1A Limit) 0 1 0 Low Power Suspend (USB 500 µ A Limit) 1 1 0 High Power Suspend (USB 2.5mA Limit) X 1 1 5x Mode (USB 100mA Limit)

Bat-Track Control ,[object Object],[object Object],[object Object],When external power is detected, the USB input is automatically disabled.

Ideal Diode ,[object Object],[object Object]

Suspend LDO & Always-On LDO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Battery Charge Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

I 2 C Interface ,[object Object],[object Object],[object Object],Timing Diagram

General Purpose Step-down Regulators ,[object Object],[object Object],[object Object],[object Object]

USB On-the-Go Application ,[object Object],[object Object],Fig 1 Fig 2

Typical Application 2 Same circuits to connect with the MCU, please refer to Application 1

Typical Application 3 Same circuits to connect with the MCU, please refer to Application 1

Additional Resource ,[object Object],[object Object],[object Object],[object Object],[object Object],Newark Farnell

New Generation Switching Power Manager with USB On-the-Go

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New Generation Switching Power Manager with USB On-the-Go