Automotive Range Boost Converter Drives Two Strings of LEDs Reference Design PMP8948 (ACTIVE)

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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. Additionally, a second control loop monitors and regulates the input current during drop outs or faults. This low cost design operates at greater than 94% efficiency.

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Parametrics
 PMP8948.1
(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)

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
INA169  60V, High-Side, High-Speed, Current Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy Not Available
TLV272  Dual 16V, 3MHz, 550-uA/ch, rail-to-rail output op amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS40211  Wide Input Range Current Mode Boost Controller  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA169 Download Download
TLV272 Download Download
Download Download
Download Download
TPS40211 Download Download
Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1025 24 Jun 2013
Design files (4)
Title Type Size (KB) Date
PDF 1956 02 Jul 2013
ZIP 198 02 Jul 2013
PDF 21 24 Jun 2013
PDF 141 24 Jun 2013

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