Automotive USB Charger with Integrated Linear Droop Compensation Reference Design
Description
The PMP4471 reference design provides detailed data for evaluating and verifying a USB charger: which uses a USB charge controller and a buck converter . The design is capable of compensating for the effects on Vdroop when a smartphone / tablet is connected to the USB charger using a cable that is roughly 2-3 meters in length. Compliance wtih almost all major smartphone / tablet manufacturers is supported due to programmable current limit up to 2.1 A: BC 1.2 compliant devices are supported as well as D+/D- divider modes of 2.7V/2.7V and 1.2V.
Features
- Integrate linear cable compensation solutionThe TI devices in this design are AEC-Q100 qualifiedSupports CDP/SDP auto switch for small industry standard footprint based devicesSize: 95mm(L)X28.5mm(W)x12mm(H)High efficiency with 90.7%@19Vin full load
Applications
- Automotive head unit
- Locator/tracker
- Automotive USB charge
- Digital cockpit processing unit
Product Categories
- Power management
| Download the bill of materials for PMP4471 | Download |
Design File
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Download the test file for PMP4471| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| PMP4471 CAD Files | 04 Jan 2016 | ZIP | 170 | |
| PMP4471 BOM | 04 Jan 2016 | 43 | ||
| PMP4471 Schematic | 04 Jan 2016 | 32 |