MLX91206LDC-CAH-004-TU Melexis

MLX91206 IMC-Hall Current Sensor (Triaxis Technology) Features and Benefits Application Examples Triaxis Technology DC/AC (inverter) converter Very high sensitivity due to Integrated DC/DC switched mode power supply Magnetic Concentrator (IMC-Hall) Battery Management Programmable high speed current sensor IC Smart fuse (over-current detection) Wideband: DC to 90kHz BLDC motor (phase current) Short response time AC/DC Converters Programmable linear transfer characteristic Selectable analog ratiometric output PWM output with 12 bit resolution Thermometer output 17 bit ID Number SOIC8 package RoHS compliant Lead free component, suitable for lead free soldering profile 260C (target), MSL3 Ordering Information Product Temperature Package Ordering Packing Sensitivity Range Code Code Code Option Code form Code (Typ.) MLX91206 L (-40C to 150C) DC (SOIC) CAL-001 460-700mV/mT (580mV/mT) MLX91206 L (-40C to 150C) DC (SOIC) CAL-002 300-470mV/mT (380mV/mT) MLX91206 L (-40C to 150C) DC (SOIC) CAL-003 200-310mV/mT (250mV/mT) MLX91206 L (-40C to 150C) DC (SOIC) CAH-001 210-330mV/mT (270mV/mT) MLX91206 L (-40C to 150C) DC (SOIC) CAH-002 130-220mV/mT (170mV/mT) TU (Tube) / RE (Reel) MLX91206 L (-40C to 150C) DC (SOIC) CAH-003 80-140mV/mT (110mV/mT) MLX91206 L (-40C to 150C) DC (SOIC) CAH-004 60-110mV/mT (77.5mV/mT) (1) MLX91206 L (-40C to 150C) DC (SOIC) CAH-021 210-330mV/mT (270mV/mT) (2) MLX91206 L (-40C to 150C) DC (SOIC) 0.5-5%DC/mT CAH-104 (1) The MLX91206 sensor is in disabledratiometry mode by default for this version (2) The MLX91206 sensor is in PWM mode by default for this version Ordering example: MLX91206LDC-CAL-001-RE 1 Functional Diagram 3.3V 3.3V core Voltage ana VDIG Regulator & TEMPOUT Thermometer 3.3V dig Rev.Pol. VDD protection VSS Oscillator Clock 1 MHz Generator fi = 250kHz or 25kHz 5V ratiometric fs = 1MHz fs = 1MHz Intermediate data rate fo = 250 kHz or 25 kHz output Input data rate Output data rate 4- Phase Integrating Output DIDO LPF Clamping OUT Switch P2P Buffer S&H Box G = 15 239 G = 0.4 1 G = 4 ADC Hall Bias PWM Logic 3 bits 10 bits 2 bits 6 bits Digital 12 bits Ratiometry TC1ST 6:0 RG 2:0 FG 9:0 PLATEPOL FILTCODE 1:0 XA 11:0 CLAMPLOW 2:0 MUST0 TC2ND COLD 4:0 OFFSETDRIFT HOT 5:0 CLAMPHIGH 2:0 TC2ND HOT 4:0 OFFSETDRIFT COLD 5:0 MUST1 DIGITAL + EEPROM HallSensors Sensitivity Offset Polarity TESTOUT Rough Gain Fine Gain Bandwidth Voq adjust selection trimming Compensation selection Figure 1: Block diagram 3901091206 Page 1 Datasheet MLX91206 Rev 043 April 2016 DACMLX91206 IMC-Hall Current Sensor (Triaxis Technology) 2 General Description The MLX91206 is a monolithic sensor IC featuring the Tria is Hall technology. Conventional planar Hall technology is only sensitive to the flux density applied orthogonally to the IC surface. The IMC-Hall current sensor is sensitive to the flux density applied parallel to the IC surface. This is obtained through an Integrated Magneto-Concentrator (IMC-Hall) which is deposited on the CMOS die (as an additional back-end step). The IMC-Hall current sensor is automotive qualified. The product is a single chip Hall sensor which provides an output signal which is proportional to the flux density applied horizontally and is therefore suitable for current measurement. It is ideally used as an open loop current sensor for PCB mounting. (see figure 2). It features small size application design and a simple construction for various current ranges. The transfer characteristic of the MLX91206 is programmable (offset, gain, clamping levels, diagnostic functions). The output is selectable between analog and PWM. The linear analog output is used for application where a very fast response (<10 sec) is required, whereas the PWM output is used for application where low speed but high output signal robustness is required. Figure 2: Typical application of MLX91206 3901091206 Page 2 Datasheet MLX91206 Rev 043 April 2016