CISPR 25 Class 5 Rated 10 W Reference Design for Automotive USB Charger System PMP9496 (ACTIVE)

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Key Document

Description

The PMP9496  reference design is a conducted EMI-optimized (CISPR 25 Class 5) 10 W design for  efficient automotive USB charger application utilizing the LM53603 regulator IC (2.1MHz fully-integrated synchronous buck for automotive application ) and TPS2549 USB switch(TPS2549-Q1 Automotive USB Charging Port Controller with Integrated Power Switch & Cable Compensation).  The design accepts wide input voltage range of 7Vin to 25Vin and provides the outputs of 5V@2.1A. It features a small size and is an inexpensive and more efficient solution customized for automotive USB charger application. The board dimension of the PMP9496 PCB is 2800mil * 4000mil. Four layer PCB was used for the design.

Features
  • 7V to 20Vin, output:5V@2.1A , 3.5 V to 36V IC Vin capability with Transient upto 42V
  • Complete design for USB charger with USB controller
  • In compliance with the CISPR 25 Class 5 conducted emissions standard, passing both AM & FM radio band tests
  • LM53603 and TPS2549- AEC-Q100 qualified version available.
  • TPS2549-Q1 Automotive USB Charging Port Controller with Integrated Power Switch & Cable Compensation

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Design Files

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Parametrics
 PMP9496.1
(Output Voltage 1)
PMP9496.2
(Output Voltage 2)
Vin (Min) (V)65
Vin (Max) (V)205
Vout (Nom) (V)55
Iout (Max) (A)32.1
Output Power (W)1510.5
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBuck- SynchronousUSB Switch

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM53603-Q1  3.5 to 36Vin, 3 Ampere Synchronous DC-DC Converter for Automotive Applications  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS2549-Q1  USB Charging Port Controller  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM53603-Q1 Download Download
TPS2549-Q1 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 7815 18 Nov 2015
Design files (4)
Title Type Size (KB) Date
ZIP 231 18 Nov 2015
PDF 24 18 Nov 2015
PDF 560 18 Nov 2015
PDF 166 18 Nov 2015

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