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reference designMPQ7200A | Demoboard EVQ7200A-L-00B

Monolithic Power Systems MPQ7200A | Demoboard EVQ7200A-L-00B

42V, 1.2A, 410kHz, Synchronous LED Driver Buck-Boost Mode

Overview

TopologyBuck-Boost Converter
Input voltage6-20 V
Output 11.2 A
IC revision1.0

Description

The EVQ7200A-L-00B is an evaluation board designed to demonstrate the capabilities of the MPQ7200A, a constant-current LED driver with integrated power MOSFETs. It offers a very compact solution to achieve 1.2A of continuous output current (IOUT), with excellent load and line regulation across a wide input supply range.Constant frequency hysteretic control mode provides extremely fast transient response without loop compensation. The switching frequency (fSW) is 410kHz in buck-boost mode for optimized efficiency and thermal performance.The MPQ7200A is available in a QFN-19 (3mmx4mm) package with wettable flanks,and is available in AEC-Q100 Grade 1.The EVQ7200A-L-00B is a fully assembled and tested buck-boost mode LED driver evaluation board. It generates an LED current up to 1.2A from a 6V to 20V input range.

Features

  • Built for a Wide Range of Automotive LED Applications:
  • Wide 6V to 42V Operating Input Range
  • PWM Dimming (Dimming Frequency from 100Hz to 2kHz)
  • Internal 500Hz Two-Step Dimming with Configurable Duty Cycle
  • Available in AEC-Q100 Grade 1
  • High Performance for Improved
  • Configurable LED Current without Sensing Resistor
  • 44mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
  • High-Efficiency Synchronous Mode
  • Optimized for EMC/EMI:
  • Default 410kHz Switching Frequency (fSW) with Spread Spectrum
  • EMI Reduction Technique
  • Full Protection Features:
  • LED Short (to GND and Battery), LED Open, and Output OVP with Fault Indication
  • OCP with Latch-Off Mode
  • Configurable Thermal Derating
  • Thermal Shutdown
  • Fast Control Loop:
  • Band-Band Control
  • Configurable 1.2A in Buck-Boost Mode or 3A in Buck Mode
  • 5% LED Current Accuracy from 700mA to 1.2A for Buck-Boost or 1A to 2A for Buck
  • Available in a QFN-19 (3mmx4mm) Package with Wettable Flank

Typical applications

  • Turn Indicator Lights, Daytime Running Lights (DRLs), Fog Lights, Rear Lights

More information

Parts approved by Monolithic Power Systems

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885012206065
SPECWCAP-CSGP MLCCs 25 V(DC), 10 nF, ±10%
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance10 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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