Automotive Range Boost Converter Drives Two Strings of LEDs Reference Design

(ACTIVE) PMP9010

Description & Features

Technical Documents

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Description

This wide input voltage range boost operates from an input of 9V - 32V and regulates current in two strings of 13 LEDs. A second control loop monitors and regulates the input current during drop outs or faults. Discrete linear regulators at the bottom of each string control the individual string current while feedback minimizes the output voltage based on the LED voltage mismatch or shorts. This low cost design operates at near 94% efficiency.

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Bill of Materials (BOM)

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Parametrics
 PMP9010.1
(Output Voltage 1)
Vin (Min) (V)9
Vin (Max) (V)32
Vout (Nom) (V)33
Iout (Max) (A).22
Output Power (W)7.26
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- Non Sync
Boost- CCM

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA169  60V, High-Side, High-Speed, Current Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy Not Available
TLV274  550-uA/Ch 3-MHz Rail-to-Rail Output Operational Amplifiers  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS40211  Wide Input Range Current Mode Boost Controller   LED drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA169 Download Download
TLV274 Download Download
Download Download
Download Download
TPS40211 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
PDF 1229 15 Dec 2013 0
Design files (4)
Title Abstract Type Size (KB) Date Views
PDF 107 18 Dec 2013 0
PDF 2583 15 Dec 2013 0
PDF 32 15 Dec 2013 0
PDF 139 15 Dec 2013 0

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