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Monolithic Power Systems (MPS) MPQ2180 AEC-Q100 Synchronous Step-Down Converters

Monolithic Power Solutions (MPS) MPQ2180 AEC-Q100 Synchronous Step-Down Converters are highly integrated, high-frequency switching voltage regulators with an I2C control interface. The MPQ2180 can support up to 6A load current across a 2.7V to 6V input voltage (VIN) supply range with high load/line regulation. Achieving high efficiency under light-load conditions, constant-frequency hysteretic mode provides a swift transient response without loop compensation. Available in a compact QFN-14 (2.5mm x 3mm) package, the MPQ2180 is ideal for processor core supplies, automotive infotainment/telematics systems, Advanced Driver Assistance Systems (ADAS), and other automotive applications.

A 3.4Mbps I2C serial interface controls the output voltage (VOUT) with the range adjustable from 0.6V to 1.235V in 5mV steps and configures the VOUT slew rate, switching frequency (fSW), and power-save mode. Full protection features include internal soft start, over-current protection (OCP), and thermal shutdown.

Features

  • Flexible with an I2C interface
    • I2C-Configurable Output Voltage (VOUT) range from 0.6V to 1.235V in 5mV steps
    • Adjustable Switching Frequency (fSW) from 0.85MHz to 2.2MHz
    • I2C-Compatible interface up to 3.4Mbps
    • Power-Save Mode selectable via I2C
  • Designed for heavy loads
    • Up to 6A load current
    • Internal 40mΩ high-side and 22mΩ low-side power MOSFETs
  • 2.7V to 6V Input Voltage (VIN) range
  • Internal 165µs soft start
  • Power Good (PG) indicator
  • Current overload and thermal shutdown protection
  • Package options
    • QFN-14 (2.5mm x 3mm)
    • Wettable flank
  • AEC-Q100 Grade 1 availalbe

Applications

  • Automotive infotainment systems
  • Automotive telematics systems
  • Advanced Driver Assistance Systems (ADAS)
  • Other automotive applications
  • Processor core supplies

Specifications

  • Recommended operating conditions
    • 2.7V to 6V supply voltage range
    • 0.6V to 1.235V output voltage range
    • -40°C to +125°C operating junction temperature range
  • 300μA (PFM) or 780μA (PWM) typical quiescent current
  • 1μA maximum shutdown current
  • 0.579V to 0.621V internal reference voltage range
  • 5mV typical output voltage step
  • Switch-on resistance
    • 40mΩ typical high-side, 80mΩ maximum
    • 22mΩ typical low-side, 45mΩ maximum
  • Undervoltage-lockout (UVLO)
    • 2.55V typical rising threshold, 2.8V maximum
    • 150mV typical hysteretic
  • 0.85MHz to 2.2MHz switching frequency range
  • 60ns (typical) minimum on-time
  • Switch leakage
    • 1μA maximum high-side
    • 10μA maximum low-side
  • 165μs typical soft-start time
  • 500Ω typical discharge resistor
  • 170°C typical thermal shutdown
  • 7-bit typical DAC resolution
  • ESD ratings
    • Class 2 Human Body Mode (HBM)
    • Class C2b Charged Device Mode (CDM)

Application Circuit Diagram

Application Circuit Diagram - Monolithic Power Systems (MPS) MPQ2180 AEC-Q100 Synchronous Step-Down Converters

Block Diagram

Block Diagram - Monolithic Power Systems (MPS) MPQ2180 AEC-Q100 Synchronous Step-Down Converters
Publié le: 2023-01-18 | Mis à jour le: 2023-02-01