Infotainment Power System Reference Design for Automotive
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Key Document


The PME15014 is designed to be an automotive off-battery front end power supply for infotainment systems. It was created using a one stage power system meeting high voltage input needs and providing low voltage for multi output rails for different load needs. The system also provides transient and reverse polarity protection. The Wide Vin Buck stage is working at 2.1Mhz to avoid AM band and has superior EMI performance with an differential EMI filter to support CISPER 25.

  • Wide Vin 2.1MHz Integrated , Low Iq Buck Converter
  • Boost for 5V CAN supply
  • Transient and Reverse Polarity Protection and EMI filter added
  • The system disconnet the second stage power and keep 3.3V sustained when Input votlage lower than 4.5V

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(Output Voltage 1)
(Output Voltage 2)
(Output Voltage 3)
(Output Voltage 4)
(Output Voltage 5)
(Output Voltage 6)
Vin (Min) (V)4.533333
Vin (Max) (V)385.
Vout (Nom) (V)
Iout (Max) (A)3.5411.1.1
Output Power (W)
TopologyBoost- SynchronousBuck- SynchronousBoost- SynchronousBuck Boost- SynchronousBoost- Non SyncBoost- Non Sync

TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM27313-Q1  1.6 MHz boost converter with 30V Internal FET switch in SOT-23, AEC-Q100 qualified  Step-up (boost) regulators  Sample & Buy Not Available
LM53635-Q1  2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
LM74610-Q1  0.48-V to 42-V, zero IQ automotive ideal diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
LP5907-Q1  Automotive, 250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS22965-Q1  5.7-V, 4-A, 16-mΩ automotive load switch with adj. rise time and output discharge  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS3801  200-ms delay, small supply voltage supervisors with manual reset  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM27313-Q1 Download Download
LM53635-Q1 Download Download
LM74610-Q1 Download Download
LP5907-Q1 Download
Download Download
TPS22965-Q1 Download Download
TPS3801 Download Download

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Technical documentation

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Datasheet (3)
Title Type Size (KB) Date
PDF 2411 18 Dec 2019
PDF 1676 17 Dec 2019
PDF 1314 23 Oct 2014
User guide (1)
Title Type Size (KB) Date
PDF 862 12 May 2016
Design files (6)
Title Type Size (KB) Date
ZIP 423 12 May 2016
ZIP 29 12 May 2016
PDF 817 12 May 2016
PDF 121 12 May 2016
PDF 181 12 May 2016
PDF 260 12 May 2016
Related Tools & Software

Reference Designs (3)

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