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MPQ28163GD-Z

4.5-36V buck-boost LED driver, 1.5A, integrated 40V MOSFET, analog/PWM dimming, SOT-89-5

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Pieza del fabricante：

MPQ28163GD-Z

Paquete：

SOT-89-5 (4.5 x 2.5 x 1.5 mm)

Marca：
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Descripción

Productos

The MPQ28163GD-Z is a Monolithic Power Systems (MPS) non-isolated buck-boost LED driver capable of driving up to 1.5A LED current over a wide 4.5V to 36V input range. It supports both buck and boost topologies, making it versatile for automotive and industrial LED lighting applications. The device features analog and PWM dimming, and integrates a 40V/3.5A power MOSFET.

Especificaciones

Input Voltage Range 4.5V to 36V
LED Current Up to 1.5A
Integrated MOSFET 40V / 3.5A
Switching Frequency 200kHz to 2MHz programmable
Dimming Analog + PWM
Temperatura de funcionamiento -40°C to +125°C

Características

  • Buck-boost topology supports LED voltage above or below VIN
  • Integrated 40V/3.5A power MOSFET
  • Analog and PWM dimming support
  • Programmable switching frequency: 200kHz to 2MHz
  • Spread spectrum for EMI reduction
  • Open LED protection and thermal shutdown
  • Output over-voltage protection

Aplicaciones

  • Automotive headlight LED drivers
  • Daytime running lights (DRL)
  • Fog light LED drivers
  • Industrial LED illumination
  • General LED lighting

The MPQ28163GD-Z is a Monolithic Power Systems non-isolated buck-boost LED driver with a wide 4.5V to 36V input range. It integrates a 40V/3.5A power MOSFET and delivers up to 1.5A LED current, supporting both buck and boost topologies. The device features analog and PWM dimming, programmable switching frequency (200kHz to 2MHz), and spread spectrum for EMI reduction. Packaged in SOT-89-5, it is ideal for automotive headlight, DRL, and industrial LED lighting applications.

The MPQ28163GD-Z operates as a non-isolated buck-boost converter using a single integrated power MOSFET and external Schottky diode. In buck mode, when the LED string voltage is below the input, it functions as a standard step-down converter. In boost mode, when LED voltage exceeds the input, it operates as a step-up converter. The seamless buck-boost transition allows operation across the full input voltage range without discontinuity. LED current is regulated through a low-side sense resistor with a precision current sense amplifier. Analog dimming adjusts the internal reference voltage, while PWM dimming chops the LED current on and off at high frequency for accurate average current control.

Pin Mnemonic Descripción
1 ES Enable / analog dimming input
2 SW Switch node (internal MOSFET drain)
3 GND Suelo
4 IS Current sense input
5 COMP Loop compensation pin
  • Automotive headlight LED driver requiring buck-boost operation from 9-16V battery
  • DRL and fog light LED strings with PWM dimming control
  • Industrial 12V/24V to LED string conversion with analog brightness control
  • General LED illumination with OVP and thermal protection
  • Emergency vehicle LED lighting with spread spectrum EMI reduction
Modelo Fabricante Diferencia clave
MPQ28163GD-AEC1 MPS AEC-Q100 qualified version
AL8860 Diodos Inc 60V buck LED driver
TLC5940 TI 16-channel constant current sink
LT3791 ADI 60V, 4-switch buck-boost LED driver
IS31LT3957 Lumissil 36V buck-boost LED driver
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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