STMICROELECTRONICS STEVAL-L9026 Evaluation Board, L9026-B03N-TR, Configurable Multi-Channel Relay Driver

STEVAL-L9026 is a multichannel driver evaluation board designed to evaluate L9026 smart power device, designed in advanced BCD technology. The L9026 is an 8-ch IC with 2 fixed HS drivers and 6 configurable HS/LS drivers designed for automotive applications (LEDs and relays) and compatible with resistive, inductive, and capacitive loads. The device offers advanced diagnostic and protection functionalities such as short to GND, open load, overcurrent, and overtemperature detection. The 8 O/P ch's can be driven by SPI or by 2 dedicated parallel inputs that can be associated to different O/P thanks to a programmable internal multiplexer. Limp home functionality is also featured, which allows use of 2 selected drivers in specific fault conditions, such as SPI fault, MCU fault or supply UV. The device is able to ensure operation in cranking scenarios down to VBATT = 3V and very low quiescent current in the SLEEP condition.

• Operating input voltage: 3V to 28V
• Six configurable LS/HS drivers up to 0.5A
• Two high-side drivers up to 0.5A
• Idle mode for reduced current consumption
• Possible daisy chain configuration
• Two parallel input pins with input mapping functionality
• SPI communication interface for control and diagnostics
• L9026 hosted in QFN32 package
• 4-layer PCB (70 x 59.8mm)