Monolithic Power Systems (MPS) MPQ2166B Synchronous Step-down Regulators

Monolithic Power Systems (MPS) MPQ2166B Synchronous Step-down Regulators are internally compensated, dual, and pulse-width modulated buck converters in QFN-18 packages. These step-down regulators operate from a 2.7V to 6V input voltage (V_IN) range and generate an output voltage (V_OUT) as low as 0.6V. The MPQ2166B regulators integrate dual, 55mΩ, high-side MOSFETs (HS-FETs) and 20mΩ synchronous rectifiers to achieve high efficiency without external Schottky diodes. These synchronous step-down regulators are ideal for a wide range of applications, including automotive infotainment, clusters, telematics, battery-powered devices, and portable instruments.

The MPQ2166B synchronous buck converters can be configured as 2A/2A or 3A/1A output current (I_OUT) regulators. These step-down regulators offer full protection features, including cycle-by-cycle current limiting and thermal shutdown. The MPQ2166B regulators employ AEC-Q100 Grade 1 MeshConnect™ flip-chip packages that operate outside of AM radio band.

Features

Cooler thermals:
- <20°C operating junction temperature (T_J) rise at 2A/2A, 2.3MHz
- 90% efficiency (5V to 1.8V, 2A, and 2.3MHz)
- Low-ohmic BCD FET technology
Low-noise EMI and EMC:
- MeshConnect™ flip-chip package
- Operates Outside of AM Radio band
Power Good (PG) output

Reduces board size and BOM:
- Integrated compensation network
- Available in a small QFN-18 (2.5mm x 3.5mm) package
External Soft Start (SS) and tracking
Over-Current Protection (OCP) with Hiccup mode
External synchronous clock
100% duty cycle
Available in AEC-Q100 Grade 1

Applications

Automotive infotainment
Automotive clusters
Automotive telematics

Battery-powered devices
Portable instruments

Monolithic Power Systems (MPS) MPQ2166B Synchronous Step-down Regulators

Features

Applications

Typical Application With Performance Graph

husseinkey ELECTRONICS®

COMPANY