CISPR 25 Class 5 Rated 3.3W Automotive Power Reference Design

(ACTIVE) PMP9397

Description & Features

Technical Documents

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Description

The PMP9397 reference design provides a conducted EMI optimized 3.3W power supply design for automotive applications.  The design uses the non-synchronous buck regulator, LM26001, to generate a 3.3V, 1A output.  The input voltage range is 4.5V to 38V suitable for automotive battery supply.  The reference design comes with the input EMI filter stage to suppress the switching noise in the input supply line, and the board is tested to be compliant with the CISPR 25 Class 5 conducted emissions standard.

Features
  • CISPR 25 class 5 conducted emissions standard compliance
  • LM26001, 38V, 1A, buck regulator
  • 4.5-38V operating input voltage range
  • Input EMI filter to suppress conducted emissions
  • Optimized layout for better EMI performance
  • 3.3W power supply design, ideal for 12V automotive battery system

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




Parametrics
 PMP9397.1
(Output Voltage 1)
Vin (Min) (V)4.5
Vin (Max) (V)38
Vout (Nom) (V)3.3
Iout (Max) (A)1
Output Power (W)3.3
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Non Sync

TI Devices (1)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM26001  1.5A Switching Regulator with High Efficiency Sleep Mode  Step-Down (Buck)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 203 24 Nov 2014 30
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 65 24 Nov 2014 18
PDF 25 24 Nov 2014 27
PDF 190 24 Nov 2014 48

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