MLX91230 Datasheet | Melexis

Features and Benefits - IVT battery measurements: o Hall based current sensor o Voltage measurement - Internal dividers for 12V or 24V/48V batteries - External divider required for HV batteries o Internal (PTAT) temperature sensor - 16-bit MCU with 32 KB Flash, 128 B Flash CS, 20 KB ROM, 2 KB RAM and 512 B EEPROM Memory - LIN/UART munication interfaces o LIN2.2/SAE J2602 and ISO17987 pliant LIN slave o UART as CAN MCU bridge o Wake-up on LIN and UART or on internal timer - Overcurrent detection functionality (<500µs) - Magnetic range of 512m T - Possible Automatic Gain Control (AGC) for higher dynamic range - Low level SW libraries provided by Melexis - User programmable transfer characteristic - Supply voltage: 4.5 to 18V (5V regulated supply or 12V battery supply capability) - Low current consumption (<21m A), programmable duty cycled sleep mode (RAM content maintained at <100µA) - Ambient temperature from -40°C to 125°C - ASIL pliant SEoo C (Safety Element out of Context) according to ISO26262 - AEC-Q100 Grade 1 automotive qualified - Ro HS pliant package SOIC8 (DC) REVISION 3.0 - MAR 20, 2024 DOC. № 3901091230 2. Application Examples - Battery Terminal Sensor 12V/ 24V Battery Management System 48V/ HV o Primary current measurement o Redundant current measurement (homogenous or heterogenous sensing technology) o Diagnosable Overcurrent Detection - So C/ So H/ So F + Rint (pre)calculations - Smart Battery Disconnect Unit, Junction Box or Power Relay Assembly - Smart Pyrofuses - Smart HV relays or contactors - HV DC Fast Charge current sensor - Zone controller 3. Description The MLX91230 is the first Melexis smart Hall-based current sensor and is part of Gen3 portfolio. With a measurement capability of three physical quantities: Current, Voltage and Temperature, Overcurrent detection alongside a dedicated 32 KB Flash memory on a single IC, this ASIL-pliant chip is ideal for safety applications. With its diagnostics, the MLX91230 is removing an important part of the...