Reference Designs
USB Car Charger with 2MHz Buck Converter: Cable Compensation and Battery Protection Reference Design
Texas Instruments
The PMP40040 reference design is a single channel USB charger for automotive applications. It includes a high switching frequency buck converter which can minimize the size of power components and reduce the system's cost. It includes built-in short-to-battery protection: IEC ESD protection features enhance the system's reliability significantly in automotive application. This design can also handle a 2.1A load current. Its output port supports the USB BC1.2 CDP charging protocol.
Features
- Linear VBUS droop compensationShort-to-battery protection on protected VBUS: DP_IN and DM_IN pinsIEC ESD protection on DP_IN/DM_INUSB BC1.2 CDP charging protocol supportedHigh switching frequency up to 2.1MHz
Applications
- Automotive head unit
- Automotive USB charge
- Digital cockpit processing unit
Product Categories
- Power management
End Equipment Reference Diagrams
Application Area
End Equipment
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