MPQ4210 6-40V Synchronous Buck-Boost Controller QFN-27

MPQ4210 6-40V Synchronous Buck-Boost Controller QFN-27

The MPQ4210 is a synchronous, four-switch, buck-boost controller capable of regulating different output voltages with a wide input voltage range and high efficiency.

Key Specifications

Features

• 6V to 40V Start-Up Input Voltage Range
• 5V to 40V Operation Input Voltage Range
• Output Current Monitor Function (IMON)
• Programmable Soft-Start Time
• Switching Frequency Spread Spectrum for EMI Optimization
• Integrated VOUT Discharge Function
• Selectable 200kHz, 300kHz, 400kHz, and 600kHz Switching Frequency
• Forced CCM Operation Mode
• Programmable VIN UVLO Hysteresis
• OCP, SCP, and OVP

Typical Application Circuit

Applications

• USB Power Delivery
• Industrial PC Power Supplies

Design Notes

• Charge current accuracy depends on the sense resistor tolerance, so use a 1% or better part and keep its traces Kelvin-connected.
• Wire the NTC input for JEITA profile control if the pack is charged over temperature.
• Set the input current limit to what the adapter can actually deliver; a limit above the adapter rating causes the input rail to collapse mid-charge.
• Termination current and recharge threshold dominate cycle life in shallow-cycling products.

Common Questions