150W Dual Channel Synchronous Boost for Gan audio applications
PMP9297
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Description

PMP9297 is a dual channel synchronous boost for GaN audio amplifier applications. It converts 35V input to an adjustable 38V to 55V output at 150W per channel. The solution size fits in a 45mm x 34 mm board area. Additional input and output bulk capacitors are included outside of the solution size area. This design uses TLP0202 dual channel digital pot to program the output voltages via SPI bus. Output current monitoring is done using LMP8481-S high-side current sense amplifiers. NTC thermistors allow temperature measurement of the High-side MOSFETs

Features
  • Dual Channel Synchronous BoostConverter
  • 150 W Power Output
  • Output Voltage programmable using TLP0202 digital pot
  • Output Current Monitoring

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18532Q5B  60V, N ch NexFET MOSFET™, single SON5x6, 3.2mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM5121  3-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
LMP8481  76V, Bi-Directional, High-Side, High-Speed, Voltage Output Current Sensing Amplifier  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18532Q5B VSON-CLIP (DNK)| 8 Download Download
LM5121 Download
LMP8481 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3814 30 Jan 2015
Design files (3)
Title Type Size (KB) Date
ZIP 236 30 Jan 2015
PDF 24 30 Jan 2015
PDF 583 30 Jan 2015

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