MP5403

6V Mini PMIC with High Efficiency Dual 2.5A/3.5A Buck, One Load Switch and Input Power Supervisory

MP5403

NOT RECOMMENDED FOR NEW DESIGNS

6V Mini PMIC with High Efficiency Dual 2.5A/3.5A Buck, One Load Switch and Input Power Supervisory

MP5403 continues to be in production for existing customers. Please consider this alternative for new designs:

MP5479GRM

Active

MP5479GRM

Active

2.7V to 5.5V PMIC with 4 Buck Converters (2A/2.5A/4.5A/4.5A), 5 LDOs, and Configurable System Settings via the I2C and MTP

Features & Benefits

  • High-Efficiency Step-Down Converters:
    • Buck 1: 4.5A DC/DC Converter
    • Buck 2: 2.5A DC/DC Converter
    • Buck 3: 4.5A DC/DC Converter
    • Buck 4: 2A DC/DC Converter
    • Buck 1 and Buck 3 Can Work in Parallel
    • Buck 2 and Buck 4 Can Work in Parallel
    • 2.7V to 5.5V Operating Input Voltage (VIN) Range
    • Buck 1, Buck 2, and Buck 3 Optional VOUT Range: 0.4V to 3.58V/12.5mV Step or 0.4V to 2.2V/7.4mV Step 
    • Buck 4 VOUT Range: 0.4V to 3.58V/12.5mV Step
    • Adjustable Switching Frequency (fSW)
    • Adjustable Soft-Start Time (tSS)
    • Adjustable Phase Delay
    • Configurable PWM Mode, Auto-PFM Mode, and Forced PWM Mode
    • Output Over-Current Protection (OCP)
    • Output Over-Voltage Protection (OVP)
    • One Dedicated RTC LDO
    • Four Low-Noise LDOs
    • Two Separate Input Power Supplies
    • 50mV Dropout at 300mA Load
  • System:
    • I2C Bus and User-Configurable MTP
    • Two-Time Programmable MTP with MP5479GRM-0000
    • Power-On/Off Control
    • Multi-Function LDO2/EN1 Pin (EN1 Input Logic Level ≤ 3.3V)
    • Power-On Reset Output
    • Flexible Power-On/Off Sequence via the MTP (0.5ms, 2ms, 8ms, or 16ms Selectable Time Slot)
    • Flexible DC/DC, LDO On/Off via the MTP
    • Available in a QFN-26 (3.5mmx4.5mm) Package
  • Optimized Performance with MPS Inductor MPL-AL6050 Series

… and many more!

Active Part Numbers:

MP5403GQBU-P MP5403GQBU-Z

Meaning of P & Z Show more

MP5403 Resources

Design Resources

Symbol, Footprint & 3D Model
30+ more formats Show more
Cad Symbols Symbols (36)
Cad Footprints Footprint (34)
Cad 3D Models 3D Models (15)

Buy direct from MPS



Learn about our Evaluation Kit
Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.