System-Level Reference Design for 30W ADAS System With Required Automotive Protections

(ACTIVE) PMP10652

Description & Features

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Key Document

Description

PMP10652 is a System optimized (CISPR 25 Class 3) 30W design for Surround View ADAS system.

The design has various protections such as Load dump through TVS (ISO pulse testing), Reverse Voltage (Innovative Smart diode with very low Iq), Battery Disconnect Switch with OVP protection (PFET) and is EMI optimized to meet Conductive EMI limits of CISPR25 Class3 (overall) and Class5 upto 30MHz Range.

Input voltage range is between 4.5V to 30V with OVP at 20V and hence will operate in most Cold Cranking conditions.

LM74610 is used for Battery reverse protection which utilizes a charge pump to drive an N-channel FET to provide a resistive path for the bypass current to flow. LM53603Q1 is used as front end DC/DC Buck converter which is 2.2MHz switching, Synchronous rectified Wide Vin Buck Converter which can take transient upto 42V. TPS57114Q1 is used to provide power to the cores and it is a high current 2,2MHz switching buck converter. LM26420 is a dual 2.2MHz switching buck converter which is used for generating other required supplies.

LM3880 sequencer is used for all the power up and power down sequencing requirements.

Features
  • Designed for most Cold Crank and Start Stop conditions
  • In compliance with the ISO pulse test / CISPR 25 Class 3 conducted emissions standard, passing both AM & FM radio band tests
  • All devices Switching frequency at 2.1MHz (AM Band Avoidance)
  • Reverse Protection through Smart diode
  • Series Fault protection FET with OVP
  • Power up and Power Down sequencing through integrated sequencer

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


  



Schematic/Block Diagram

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Source Files

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Bill of Materials (BOM)

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Parametrics
 PMP10652.1
(Output Voltage 1)
PMP10652.2
(Output Voltage 2)
PMP10652.3
(Output Voltage 3)
PMP10652.4
(Output Voltage 4)
PMP10652.5
(Output Voltage 5)
PMP10652.6
(Output Voltage 6)
PMP10652.7
(Output Voltage 7)
Vin (Min) (V)4.84.83.33.33.33.33.3
Vin (Max) (V)30303.33.33.33.33.3
Vout (Nom) (V)3.33.31.21.21.81.55
Iout (Max) (A)3344.6.6.14
Output Power (W)9.99.94.84.81.08.9.7
Isolated/Non-IsolatedNon-IsolatedNon-IsolatedNon-IsolatedNon-IsolatedNon-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDCDCDCDCDCDC
TopologyBuck- SynchronousBuck- SynchronousBuck- SynchronousBuck- SynchronousBuck- SynchronousBuck- SynchronousOther

TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM26420-Q1  Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM3880  3 Rail Simple Power Sequencer with Fixed Time Delay  Power management  Sample & Buy View 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
LM74610-Q1  Zero Iq Reverse Polarity Protection Smart Diode Controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TLVH431A  1% Accuracy Low-Voltage Wide-Operating Current Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TPS57114-Q1  Automotive 2.95V to 6V, 4A, 2MHz Synchronous Buck Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS60150  140mA, 5V Charge Pump in 2x2 SON  DC/DC switching regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS717  150mA, High PSRR, Low Quiescent Current, Low Noise LDO  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM26420-Q1 Download Download
Download
LM3880 Download Download
LM53603-Q1 Download
LM74610-Q1 Download Download
TLVH431A Download Download
Download Download
Download -
Download Download
Download Download
TPS57114-Q1 Download Download
TPS60150 Download Download
TPS717 Download Download
Download Download
Download Download

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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 TI Recommends
PDF 2669 10 Aug 2015 82
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 279 10 Aug 2015 71
PDF 27 10 Aug 2015 10
PDF 329 10 Aug 2015 302

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