STMicroelectronics EVAL-L99MOD53XP

Overview

EVAL-L99MOD53XP from STMicroelectronics is an automotive-grade evaluation kit comprising a SPC56-based motherboard and a daughterboard hosting the L99MOD53XP multi-output driver IC. It delivers high-side and half-bridge output configurations, reverse battery protection via MOSFET/diode network, 12 V daughterboard power capability, and real-time register/current/fault monitoring via GUI software.

For engineers reviewing the EVAL-L99MOD53XP datasheet, EVAL-L99MOD53XP pinout, EVAL-L99MOD53XP application, or EVAL-L99MOD53XP equivalent, this kit enables rapid validation of L99MOD53XP-driven brushed DC motor control, LED/bulb load switching, and protected supply architectures in vehicle body electronics.

Technical Context

The EVAL-L99MOD53XP implements a modular two-board architecture: the motherboard executes logic, communication, and diagnostics using an SPC56 microcontroller, while the daughterboard integrates the L99MOD53XP IC with 11 high-side outputs, current sense (CSN), PWM inputs (PWM1/PWM2), SPI interface (CLK/DO/DI/CSN), and fault reporting circuitry.

It supports automotive system-level functions including standby mode power management, reverse polarity protection, real-time analog current sensing, and configurable output drive strength - all accessible through ST's STSW-L99MOD5xXP GUI running on Windows with LabVIEW Run-Time Engine and VISA drivers.

Key Specifications

Availability

EVAL-L99MOD53XP is available at Aetrix Electronics and suitable for automotive body control modules, brushed DC motor actuation systems, and LED lighting control applications requiring stable component supply and rapid prototyping support.

Supply support for EVAL-L99MOD53XP 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and power management solutions.

The L99MOD5xXP product line targets automotive body electronics, delivering integrated high-side drivers with diagnostics, reverse battery protection, and programmable output configuration for centralized load control.

FAQ

What hardware components are included in the EVAL-L99MOD53XP kit?

The kit includes a motherboard based on the SPC56 microcontroller and a daughterboard populated with the L99MOD53XP IC. It features 11 high-side output terminals, LED status indicators, reverse battery protection circuitry (MOSFET + Zener diode), SPI interface headers, PWM input connectors, and a 12 V daughterboard power entry point.

How is communication established between the host PC and the EVAL-L99MOD53XP board?

Communication uses USB-to-SPI bridging via the motherboard's SPC56 MCU. The STSW-L99MOD5xXP GUI sends commands over USB, which the SPC56 translates into SPI transactions with the L99MOD53XP on the daughterboard - enabling real-time register reads, current sense sampling, and fault flag polling without external debug probes.

Does the EVAL-L99MOD53XP support standalone operation without a PC?

No - the board lacks onboard firmware for autonomous operation. It requires connection to a Windows PC running the STSW-L99MOD5xXP GUI, along with installed VISA and LabVIEW Run-Time Engine, to configure outputs, monitor analog current sense, and interpret diagnostic flags from the L99MOD53XP device.

Can the EVAL-L99MOD53XP be used to evaluate other L99MOD5xXP variants?

Yes - the daughterboard is mechanically and electrically compatible with L99MOD50XP, L99MOD51XP, and L99MOD54XP devices. Pinout and interface signals match across the family, allowing direct IC substitution on the same daughterboard for comparative evaluation of output count, current rating, and diagnostic feature sets.