Automotive instrument cluster power reference design with three outputs PMP21669 (ACTIVE)

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Description

This reference design implements an automotive power supply solution for use in analog gauge clusters, hybrid clusters and cluster display systems. It provides 5 volt, 3.3 volt and 1.2 volt outputs suitable for powering all subsystems within an automotive instrument cluster, a cluster display, or an automotive remote touch display.

Features
  • Automotive power system reference design
  • EMI meets CISPR25 class 5 requirements
  • Reverse polarity protection
  • Three output voltages: 5 volts, 3.3 volts, 1.2 volts

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP21669.1
(Output Voltage 1)
PMP21669.2
(Output Voltage 2)
PMP21669.3
(Output Voltage 3)
Vin (Min) (V)62.752.75
Vin (Max) (V)4066
Vout (Nom) (V)53.31.2
Iout (Max) (A)1.5.5
Output Power (W)51.65.6
Isolated/Non-IsolatedNon-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDCDC
TopologyBuck- Integrated SwitchBuck- Integrated SwitchBuck- Integrated Switch

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM53635-Q1  2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM74700-Q1  Low Iq, ideal diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS62810-Q1  Automotive 2.75-V to 6-V, 4-A step-down converter in a 2mm x 3mm wettable-flanks QFN package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM53635-Q1 Download Download
LM74700-Q1 Download -
TPS62810-Q1 VQFN-HR (RWY)| 9 Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 4507 27 Feb 2019
Design files (6)
Title Type Size (KB) Date
ZIP 2687 27 Feb 2019
ZIP 1387 27 Feb 2019
PDF 1120 27 Feb 2019
PDF 199 27 Feb 2019
PDF 104 27 Feb 2019
PDF 352 27 Feb 2019

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