MAX1668MEE+

MAX1668MEE+ is a power-management IC from Maxim Integrated used to implement high‑efficiency DC‑DC switching regulators. It’s typically a PWM/current‑mode regulator controller that drives an external power MOSFET to form a buck (and sometimes boost) converter for creating stable supply rails in portable, automotive, or industrial electronics.
Key features (typical, vary by variant) include:
- Internal reference and error amplifier with feedback for output regulation
- PWM control with current sensing for stable operation
- Soft‑start and programmable switching frequency
- Protections such as undervoltage, overcurrent/short‑circuit protection, and thermal shutdown
- External component requirements (external FET, inductor, diode or synchronous elements)
The MEE+ suffix denotes a specific package/lead configuration (lead‑free, RoHS compliant) used in Maxim’s lineup; exact pins and electrical specs depend on the exact variant.
For precise capabilities, pinout, and application notes, consult the MAX1668MEE+ datasheet and Maxim’s design guides.

MAX1668MEE+ is a 28-pin device (MEE+ package, variant packaging may differ). It is a power-management IC that functions as a high-efficiency synchronous buck regulator/controller with integrated MOSFETs, used to generate lower rails (step-down power conversion) from a battery or input supply in portable electronics.

- Manufacturer: Maxim Integrated Products, Inc. (now part of Analog Devices).
- What kind of company: An American semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

MAX1668MEE+ is a hot‑swap controller used for protection and current limiting. Typical application areas include:
- Hot‑swap protection for PSU inputs in servers, data centers, and networking gear
- Redundant/dual‑supply backplanes and power‑path switching
- Front‑end protection and soft‑start control for DC‑DC converters
- Telecom and industrial power rails requiring overcurrent/short‑circuit protection and OVP
- Battery‑backed/UPS‑type power paths and other power‑management circuits
- General high‑side load‑switching in systems with safe insertion/removal of power lines

8-pin MSOP package (MSOP-8), MEE+ lead-free version.