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Monolithic Power Systems (MPS) MP8860 Integrated Buck-Boost Converter

Monolithic Power Systems MP8860 Integrated Buck-Boost Converter is capable of regulating the output voltage across a 2.8V to 22V wide input voltage range with high efficiency. This converter provides fast load transient response and smooth buck-boost mode transient using Constant-on-Time (COT) control in buck mode and constant-off-time control in boost mode. The MP8860 buck-boost converter offers full protection features that include Over-Current Protection (OCP), Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), programmable soft-start, and thermal shutdown.

The MP8860 integrated buck-boost converter exhibits 1A output current, 500kHz switching frequency, and comes in a QFN-16 (3mmx3mm)
package. Typical applications include power supplies for motors, personal medical products, industrial systems, buck-boost bus supplies, and DSLR cameras.

Features

  • Synchronous 4-switch integrated buck-boost converter
  • Wide 2.8V to 22V operating input voltage range
  • 500kHz switching frequency
  • I²C interface with ALT Pin
    • Four programmable I²C addresses
    • I²C programmable line drop compensation, PFM/PWM mode, soft start, and OCP, etc
    • 1V to 20.47V output voltage range (5V default) with 10mV resolution through I²C
  • 1A output current or 4A input current
  • Four Low RDS(ON) internal buck power MOSFETs
  • Adjustable accurate cc output current limit with internal sensing MOSFET via I²C
  • Built-in protections:
    • Output Over-Voltage Protection (OVP) hiccup
    • Output Short-Circuit Protection (SCP) with hiccup mode
    • Under-Voltage Protection (UVP)
    • Over-Temperature warning and shutdown
  • One-Time Programmable (OTP) non-volatile memory
  • EN shutdown discharge programmable
  • Available in a QFN-16 (3mmx3mm) package

Applications

  • Buck-boost bus supplies
  • Industrial systems
  • Power supplies for motors
  • Personal medical products
  • DSLR cameras

Typical Application Circuit

Application Circuit Diagram - Monolithic Power Systems (MPS) MP8860 Integrated Buck-Boost Converter

Performance Characteristics

Performance Graph - Monolithic Power Systems (MPS) MP8860 Integrated Buck-Boost Converter

Evaluation Kit

EVKT-MP8860 Evaluation Kit

Monolithic Power Systems (MPS) EVKT-MP8860 Evaluation Kit

Allows for quick evaluation of the MP8860 buck-boost converter to support a wide range of designs.

Learn Moreabout Monolithic Power Systems (MPS) EVKT-MP8860 Evaluation Kit
View Productsrelated to Monolithic Power Systems (MPS) EVKT-MP8860 Evaluation Kit

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Monolithic Power Systems (MPS) MP8860 Integrated Buck-Boost Converter