MP28163GQ-Z

MP28163GQ-Z is a Monolithic Power Systems DC-DC switching regulator (buck) IC. It integrates the switching transistor and control circuitry in a compact package and is designed to generate a stable, adjustable output from a higher input supply.
Key points:
- Uses fixed-frequency, current-mode PWM control for good load regulation and light-load efficiency.
- Features enable/shutdown, soft-start, and protection mechanisms (e.g., over-current/short-circuit and over-temperature).
- Requires external components: inductor, input and output capacitors, and a feedback network (external resistors); depending on the design, a diode or a synchronous rectifier may be used.
- Available in RoHS-compliant QFN-package variants (including the GQ-Z suffix).
Typical use: power rails for microprocessors, FPGAs/SoCs, automotive or industrial electronics, and other compact DC-DC conversion needs.
Note: For exact electrical specs, pinout, recommended external components, and application circuits, consult the official MP28163GQ-Z datasheet and design notes.

- Pin count: 8 pins (QFN package, exposed pad).
- Function: Buck regulator controller for a DC-DC conversion (step-down converter); used to regulate input voltage to a lower DC output with external passive components (and FET/diode as needed by the topology).

Manufacturer: Monolithic Power Systems, Inc. (MPS).
What kind of company: A fabless semiconductor company that designs and markets high-performance analog and mixed-signal power-management integrated circuits, including DC-DC converters, controllers, and related PMICs for consumer, industrial, and automotive applications.

MP28163GQ-Z is a high-efficiency constant‑current LED driver IC. Typical application areas include:
- White-LED lighting (bulbs, tubes, downlights)
- LCD/backlight and signage lighting
- Battery-powered portable LED lighting
- Dimmable LED lighting (PWM or analog dimming)
- Automotive and industrial LED lighting requiring robust DC-DC LED drive with protection features
Note: design should follow the datasheet recommendations for input range, dimming, and protection.

QFN-16 package (4x4 mm) with exposed pad (EP).