Analog Devices Inc./Maxim Integrated MAX17113EVKIT+

Overview

MAX17113EVKIT+ from Maxim Integrated is an evaluation kit for the MAX17113 multiple-output power-supply controller, designed to generate all supply rails for TFT LCD panels in TVs and monitors operating from a regulated 12V input. It implements a current-mode step-down regulator (3.3V fixed or 1.5–5.0V adjustable), a current-mode step-up regulator (up to 18V), dual charge-pump regulators (positive/negative gate-driver supplies), and logic-controlled high-voltage switches - all validated on a fully assembled PCB with test points, jumpers, and onboard sequencing control.

For engineers reviewing the MAX17113EVKIT+ datasheet, MAX17113EVKIT+ pinout, MAX17113EVKIT+ application, or MAX17113EVKIT+ equivalent, this kit enables rapid validation of power-rail timing, fault latch behavior, AVDD sequencing, soft-start profiles, and Dual Mode™ high-voltage switch control in real LCD TV/monitor panel power architectures.

Technical Context

The MAX17113EVKIT+ implements the full MAX17113 IC functionality including independent enable/control of step-down (EN2), step-up/positive charge-pump (EN1), and negative charge-pump (EN1) regulators, with configurable startup delays (DEL1, DEL2, DLP) and mode-selectable high-voltage switching (MODE, CTL, THR). It replicates the IC's 40-pin thin QFN package layout and supports all key operating modes: 450kHz/600kHz switching frequency selection (FSEL), skip-mode light-load operation (EN2 = AGND), and True Shutdown™ sequencing via integrated p-channel FET for AVDD.

Board-level features include precision feedback networks for all outputs (FB1, FB2, FBP, FBN), external timing capacitors for delay calibration (DEL1, DEL2), reference voltage monitoring (REF), power-good assertion (PGOOD), and thermal/fault latch diagnostics (CRST, fault duration = 45–65ms). All critical signals - LX1, LX2, SWI, SRC, GON, DRVP, DRVN - are accessible via test points or headers.

Key Specifications

Availability

MAX17113EVKIT+ is available at Aetrix Electronics and suitable for LCD TV panel design, LCD monitor power architecture validation, TFT gate-driver supply characterization, and high-voltage switch timing verification requiring stable component supply and documented reference implementation.

Supply support for MAX17113EVKIT+ 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

Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, communications, and consumer applications.

The MAX17113 belongs to Maxim's LCD panel power-supply controller product line, engineered specifically to consolidate multiple rail generation (step-down, step-up, charge-pump, HV switch control) into a single IC for cost-sensitive, space-constrained TFT display systems.

FAQ

What is the primary function of the MAX17113EVKIT+?

The MAX17113EVKIT+ is an evaluation kit that demonstrates and validates the full functionality of the MAX17113 multiple-output power-supply controller IC. It provides a ready-to-use platform to verify power-rail generation (3.3V step-down, up to 18V step-up, ± gate-driver supplies), AVDD sequencing, Dual Mode™ high-voltage switch control, and fault-latch behavior - all critical for TFT LCD TV and monitor panel designs.

Does the MAX17113EVKIT+ support both 450kHz and 600kHz switching frequencies?

Yes, the MAX17113EVKIT+ supports both frequencies via the FSEL pin: connecting FSEL to AGND configures the MAX17113 IC for 450kHz operation, while connecting it to VL or VIN selects 600kHz. The board includes jumper options to configure FSEL, enabling direct measurement of efficiency, transient response, and EMI performance at either frequency.

Can the MAX17113EVKIT+ be used to validate AVDD sequencing with True Shutdown™?

Yes, the MAX17113EVKIT+ implements the MAX17113's integrated 120mΩ p-channel FET for AVDD sequencing and True Shutdown™. It allows engineers to measure the precise timing relationship between step-down regulator startup (OUT), VL stabilization, and AVDD ramp-up - including controlled shutdown sequencing when EN1/EN2 are deasserted - per the IC's specified delay and control logic.

How does the MAX17113EVKIT+ support high-voltage switch timing validation?

The MAX17113EVKIT+ exposes all high-voltage switch control signals (SRC, GON, DRN, MODE, CTL, THR, DLP) with test points and optional pull-up/down resistors. It enables direct oscilloscope measurement of GON rise/fall times, propagation delays (CTL-to-GON: 100ns rising / 200ns falling), and mode-dependent switching behavior - validating the MAX17113's Dual Mode™ logic-controlled HV switch block under real load conditions.

Is the MAX17113EVKIT+ compatible with the MAX17113ETL+ IC package?

Yes, the MAX17113EVKIT+ is designed exclusively for the MAX17113ETL+, which uses a 40-pin thin QFN package (5mm × 5mm, 0.8mm height). The evaluation board's footprint, solder mask, thermal pad layout, and pin mapping match the MAX17113ETL+ datasheet specifications exactly - ensuring mechanical and electrical compatibility for prototyping and pre-production validation.