Analog Devices Inc./Maxim Integrated MAX77827QEVKIT#

Overview

MAX77827QEVKIT# from Analog Devices is a fully assembled and tested evaluation kit designed to demonstrate the MAX77857 buck-boost regulator in FC2QFN package, supporting 2.5V–16V input, 4.5V–15V output (internal feedback), 7A switching current limit, and I²C-programmable voltage control. It enables rapid validation of high-efficiency power delivery in portable electronics and battery-powered systems.

For engineers reviewing the MAX77827QEVKIT# datasheet, MAX77827QEVKIT# pinout, MAX77827QEVKIT# application, or MAX77827QEVKIT# equivalent, this kit provides direct access to I²C register-level control, factory-configured 5V startup, jumper-selectable feedback modes, and integrated test points for EN, POKB/INTB, VIO, SCL, and SDA - critical for power architecture prototyping and firmware integration.

Technical Context

The MAX77827QEVKIT# implements the MAX77857 IC in a 16-pin FC2QFN package with internal 5V startup configuration, default I²C slave address 0x66, and fixed 1.8MHz switching frequency (I²C-adjustable). It supports both standalone operation (EN tied to VIN) and host-controlled operation (EN/VIO driven via MAXUSB_INTERFACE#).

Hardware flexibility includes RSEL resistor selection (R9) for configuring I²C address, current limit (7A/5.6A/3.8A/1.8A), and feedback mode; external feedback resistor options (RTOP/RBOT) enabling 3V–15V output range; and on-board sense pins (INS/PGND1S, OUTS/PGND2S) for precision efficiency and regulation measurements.

Key Specifications

Availability

MAX77827QEVKIT# is available at Aetrix Electronics and suitable for power management validation, PMIC firmware development, and battery-powered system integration requiring stable component supply, traceable sourcing, and long-term design-in support.

Supply support for MAX77827QEVKIT# includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Wilmington, MA.

The MAX77827QEVKIT# belongs to Analog Devices' power management evaluation platform family, engineered specifically to accelerate development of high-efficiency, programmable buck-boost regulators for space-constrained, battery-operated devices.

FAQ

What does MAX77827QEVKIT# evaluate?

MAX77827QEVKIT# evaluates the MAX77857 buck-boost regulator IC in FC2QFN package. It is not a standalone IC but a complete evaluation platform featuring the MAX77857BEFE+T installed as U1, onboard I²C interface circuitry, test points, and configurable jumpers for feedback mode, enable logic, and VIO sourcing. The kit demonstrates real-world implementation of high-current, dynamically adjustable power conversion.

Does MAX77827QEVKIT# include the MAXUSB_INTERFACE# adapter?

Yes, MAX77827QEVKIT# includes the MAXUSB_INTERFACE# USB-to-I²C adapter as part of the standard kit contents, along with a USB Type-A to Micro-USB cable, Windows GUI software, and documentation. The MAXUSB_INTERFACE# enables direct register-level communication with the MAX77857 IC via PC, supporting full configuration, real-time monitoring, and fault analysis without requiring an external microcontroller.

Can MAX77827QEVKIT# operate without a PC or MAXUSB_INTERFACE#?

Yes, MAX77827QEVKIT# supports standalone operation: with jumper J1 set to 1–2 and J2 installed, EN is pulled up to VIN and VIO is powered from VL, allowing autonomous startup and regulation from 2.5V–16V input. No PC, MAXUSB_INTERFACE#, or external I²C host is required for basic DC–DC functionality - ideal for quick hardware validation before firmware integration.

What output voltage ranges does MAX77827QEVKIT# support?

MAX77827QEVKIT# supports two output configurations: internal feedback yields 4.5V–15V (default 5V startup), while external feedback (via RTOP/RBOT resistors) extends the range down to 3V. The output voltage is dynamically adjustable over the full range via I²C commands using the included GUI software or custom host firmware - enabling precise testing across multiple rail requirements.

How is the I²C address configured on MAX77827QEVKIT#?

The I²C slave address on MAX77827QEVKIT# is set by the RSEL resistor (R9) value per Table 2 in the user guide. With default R9 = 0Ω, the address is 7-bit 0x66. Other values (e.g., 200Ω → 0x67, 309Ω → 0x6E) allow coexistence of multiple MAX77857 devices on the same bus. Address changes require physical resistor replacement - no software override is available.