TIDA-01388

CISPR 25 Class 5 Rated Dual Automotive USB Charger Reference Design With Full Front End Protection

TIDA-01388

Design files

Overview

TIDA-01388 is a 21 W dual automotive USB charger solution featuring complete front end protection with small size. The system can clamp fast high-voltage electrical transients and maintain operation through these events. It can also properly respond to a reverse battery polarity event and shut down appropriately.
The design accepts a wide input voltage range of 5.5 V to 36 V and regulates two outputs of 5 V@2.1 A for dual USB ports. EMI filtering circuitry is included and the design is compliant with CISPR 25 Class 5 conducted EMI standards.

Features
  • Wide Vin front end power supply for dual USB charger systems
  • Off-battery operation with reverse battery protection
  • Positive and negative transient voltage protection
  • Meet CISPR 25 Class 5 conducted EMI standards
  • Uses all AEC-Q100 qualified devices
  • Small solution size
Output voltage options TIDA-01388.1
Vin (Min) (V) 5.5
Vin (Max) (V) 36
Vout (Nom) (V) 5
Iout (Max) (A) 2.1
Output Power (W) 10.5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Integrated Switch
Industrial
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUCZ9.PDF (604 K)

Reference design overview and verified performance test data

TIDRT87.PDF (149 K)

Detailed schematic diagram for design layout and components

TIDRT88.PDF (62 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRT89.PDF (110 K)

Detailed overview of design layout for component placement

TIDRT91.ZIP (953 K)

Files used for 3D models or 2D drawings of IC components

TIDCDY1.ZIP (423 K)

Design file that contains information on physical board layer of design PCB

TIDRT90.PDF (683 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

LMS3655-Q15.5-A, 36-V synchronous, 400-kHz, step-down converter

Data sheet: PDF | HTML
USB power switches & charging port controllers

TPS2513A-Q1Automotive USB Charge port dual DP/DM manager

Data sheet: PDF | HTML
USB power switches & charging port controllers

TPS2561A-Q1AUTO 2-ch 0.25-2.8A adj. ILIMIT (tuned for 2.3±0.2A), 2.5-6.5V, 44mΩ USB power switch, active-high

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide CISPR 25 Class 5 Rated Dual Automotive USB Charger Reference Design Oct. 26, 2017

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