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DC-DC Buck-Boost Converters

Wide Voltage Range With I²C-Configurable Output and Circuit Protection

We offer flexible and programmable synchronous DC/DC buck-boost (step-up/step-down) converters that provide buck mode operation when V_OUT is less than V_IN, boost mode operation when V_OUT is greater than V_IN and buck-boost mode operation when V_OUT is approximately equal to V_IN. The buck-boost switching converter power analog front-end provides a simple, scalable power solution with custom configurations to enable clients to design configurable power supplies in small packages for the targeted end application. Our buck-boost controllers can be used in applications that require efficiency and the ability to generate a regulated output voltage including automotive, USB-C^® Power Delivery (PD), battery-powered and industrial applications.

MCP19061 Synchronous Four-Switch Buck-Boost AFE

Input voltage: +4.5V to +42V
Adjustable output range: 3V to 36V
Fully configurable:
- Configurable protections: input and output over current, input over/under voltage, output over/under voltage, load dump, overtemperature and internal regulator fault
- Configurable output: constant current operation and constant voltage operation
- Adjustable frequency
- Dynamically configurable by I²C
AEC-Q100 automotive qualified
100W USB PD/180W EPR with PPS support
Reference design available for USB Power Delivery (PD) dual-charging port