MLX91206LDC-CALB Melexis Inc, MLX91206LDC-CALB Datasheet

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MLX91206LDC-CALB

Manufacturer Part Number
MLX91206LDC-CALB
Description
IC SENSOR TRIAXIS SOIC-8
Manufacturer
Melexis Inc
Series
Triaxis™r
Datasheet

Specifications of MLX91206LDC-CALB

Current - Sensing
±10mT
Accuracy
±0.75%
Sensitivity
100 ~ 700 mV/mT
Current - Supply
9mA
Sensor Type
Hall Effect
Voltage - Supply
4.5 V ~ 5.5 V
Output
Analog, Ratiometric
Frequency
50kHz ~ 90kHz
Response Time
8µs
Polarization
Bidirectional
Operating Temperature
-40°C ~ 150°C
Package / Case
8-SOIC (0.154", 3.90mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MLX91206LDC-CAL
MLX91206LDC-LB
MLX91206LDC-LB
MLX91206LDC-LB-TU
Features and Benefits
Ordering Information
Part No.
MLX91206
MLX91206
MLX91206
MLX91206
MLX91206
MLX91206
1 Functional Diagram
Figure 1: Block diagram
3901091206
Rev 034
Programmable high speed current sensor IC
Wideband: DC to 90kHz
Short response time
Tria⊗is™ hall technology
Programmable linear transfer characteristic
Selectable
Thermometer output
17 bit ID Number
SOIC8 package RoHS compliant
Lead free component, suitable for lead free
soldering profile 260° C (target), MSL3
analog ratiometric output
PWM output with 12 bit resolution
Temperature Code
L (-40° C to 150°C)
L (-40° C to 150°C)
L (-40° C to 150°C)
L (-40° C to 150°C)
L (-40° C to 150°C)
L (-40° C to 150°C)
Package Code
DC (SOIC)
DC (SOIC)
DC (SOIC)
DC (SOIC)
DC (SOIC)
DC (SOIC)
Page 1 of 24
Application Examples
Option code
CALA (10mT)
CALB (10mT)
CALC (10mT)
CAHA (25mT)
CAHB (25mT)
CAHC (25mT)
Contact-less Current Measurement
DC-DC and DC-AC Converters
HEV / EV Inverters (Motor Controller)
Battery Current Monitoring
Battery Charger
Power Monitoring (Server, Telecommunication)
Power Supplies (UPS and SMPS)
Smart Fuse, Over-Current Protection
Magnetic Field Monitoring
Triaxis Current Sensor IC
Sensitivity Range (Typ.)
460-700mV/mT (580mV/mT)
300-470mV/mT (380mV/mT)
200-310mV/mT (250mV/mT)
210-330mV/mT (270mV/mT)
130-220mV/mT (170mV/mT)
80-140mV/mT (110mV/mT)
MLX91206
Data Sheet
May-11

Related parts for MLX91206LDC-CALB

MLX91206LDC-CALB Summary of contents

Page 1

... Features and Benefits Programmable high speed current sensor IC Wideband 90kHz Short response time Tria⊗is™ hall technology 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 260° ...

Page 2

... 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 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. ...

Page 3

... Offset temperature drift programming (OFFDRIFT_COLD, OFFDRIFT_HOT) .......................................................................... 16 11.16 Product Identification (MLXID, CSTID)...................................................................................................................................... 16 12 Self-diagnostic ................................................................................................................................................................................... 17 13 Application information....................................................................................................................................................................... 18 13.1 Low current measurement up to ±2 A ......................................................................................................................................... 18 13.2 Medium current up to ±30 A ....................................................................................................................................................... 18 13.3 High current measurement up to ±600 A .................................................................................................................................... 18 14 Recommended Application Diagrams ................................................................................................................................................ 19 14.1 Resistor and capacitor values..................................................................................................................................................... 19 14 ...

Page 4

... Pin Definitions and Descriptions Pin Name Type Table 2: Pin definition and description It is recommended to connect the unused pins to the Ground (see section 16) for optimal EMC results. 3901091206 Rev 034 Triaxis Current Sensor IC /( OFF Symbol Value ° ...

Page 5

... Valid for TEMPOUT with pull-up (min. 30k ), pull-down (min. 30k ) or not connected (4) According to the figure below Vout Hysteresis Detected Vdd Voltage Figure “Detected voltage and hysteresis definitions” 3901091206 Rev 034 Triaxis Current Sensor IC Test Conditions Min Page MLX91206 Typ Max Units Ω Data Sheet ...

Page 6

... Above 10 mT, the IMC starts saturating yielding to an increase of the linearity error. (4) The specified programmable sensitivity range is covered by 3 different versions (option codes) Option code (10mT) Programmed Sensitivity 3901091206 Rev 034 Triaxis Current Sensor IC Test Conditions Min Sensitivity Range 270mV/mT 210-330mV/mT 170mV/mT 130-220mV/mT 110mV/mT ...

Page 7

... The achievable target accuracy is dependent on users end-of-line calibration. The resolution for the offset and offset drift calibration is better than 0.1%Vdd. Trimming capability is higher the measurement accuracy. End-user calibration can increase the accuracy of the system. 3901091206 Rev 034 Triaxis Current Sensor IC Test Conditions Min Test Conditions Min ...

Page 8

... Timing specification for the PWM output Operating Parameters T = -40 to 125degC, Vdd = 4 5.5 V (unless otherwise specified) A Parameter Symbol Table 8: Timing specification for the PWM output 3901091206 Rev 034 Triaxis Current Sensor IC Test Conditions Min ± Ω Ω Page MLX91206 Typ Max ...

Page 9

... The accuracy is better than 5degC. The pin shall be able to sustain a low impedance connection to maximum 14V. This output is not ratiometric. Parameter Symbol Test Conditions Table 10: Thermometer output specification 3901091206 Rev 034 Triaxis Current Sensor IC Test Conditions Min Min Page MLX91206 Typ ...

Page 10

... Programmable items 11.1 Parameter table Depending on PWM/Analog mode (DSPMODE) some parameters have different functions. Parameter Bits Factory Setting Table 11: Customer programmable items 3901091206 Rev 034 Triaxis Current Sensor IC Comment Page MLX91206 Data Sheet May-11 ...

Page 11

... REFEDGE defines the diagnostic level and sets the reference edge. REFEDGE Reference edge (PWM) 11.5 PWM/switch mode (SWITCH) In PWM mode, the output can be configured to switch mode. SWITCH Operating mode 3901091206 Rev 034 Triaxis Current Sensor IC Output Driver (1) (2)(3) (1) (2)(4) Page MLX91206 Data Sheet May-11 ...

Page 12

... Offset compensation before gain • YA Not used in analog mode In PWM mode 9-bit register • Rough offset compensation (after gain) • 3901091206 Rev 034 Triaxis Current Sensor IC 3 Vout = 6.25 * (VOQ Code) / 4096 (clipping can occur!) Page MLX91206 Data Sheet May-11 ...

Page 13

... The CLAMPHIGH parameter sets the maximum output voltage level from 90...95%Vdd. CLAMPLOW Minimal output [%Vdd] Table 13: Clamping low level table analog (typical values) CLAMPHIGH Maximal output [%Vdd] Table 14: Clamping high level analog mode (typical values). 3901091206 Rev 034 Triaxis Current Sensor IC Page MLX91206 Data Sheet May-11 ...

Page 14

... Factory settings: FILTCODE = 0. FILTCODE Cut-off frequency [Hz] Table 17: FILTCODE settings PWM mode Note analog mode values above 7 are not used - In PWM mode values below 2 and above 9 are not used 3901091206 Rev 034 Triaxis Current Sensor IC Maximal output [%DC] Attenuation [dB] Page MLX91206 Tau [ms] Data Sheet May-11 ...

Page 15

... IC. The power dissipated in the IC output driver is measured by the IC itself. The power is obtained by multiplying continuously the voltage across the conducting MOS driver by the output current I reaches the power limit, the output driver is switched off and on such that, on average, the measured power is maintained equal to the power limit ...

Page 16

... The programmed option code is stored in MLXID3[2..0]: MLXID3[2..0] Option code CSTID A 17-bit customer ID is available to create a dedicated traceability system 3901091206 Rev 034 Triaxis Current Sensor IC 2 .The second order can also be seen as third order correction since Page MLX91206 2 with TC2ND. The Data Sheet ...

Page 17

... Refer to Table 3: General electrical parameter, parameter Over-voltage detection mode 1 (6) Refer to Table 3: General electrical parameter, parameter Over-voltage detection mode 2 (7) The internal supply is regulated but the digital sequencer (hall element spinning) is stopped 3901091206 Rev 034 Triaxis Current Sensor IC Action Effect on Outputs Page MLX91206 ...

Page 18

... RMS current continuously. The differential output voltage for this configuration can be approximated by the following equation: Vout = 35 mV For a current level the output will be approximately 1050 mV. 13.3 High current measurement up to ±600 A Another method of measuring high currents on PCB’ use a large thick gauge copper trace capable of carrying the current on the opposite side of the PCB ...

Page 19

... Table 22: Resistor and capacitor value (1) When OUTMODE=0, which we do not advice in application, capacitor C4 should be 1nF or less. 14.2 Fast analog application, pull-down resistor for diagnostic low Figure 6: Fast analog application, Pull-down resistor 3901091206 Rev 034 Triaxis Current Sensor IC Value Unit Page MLX91206 Data Sheet ...

Page 20

... Fast analog application, pull-up resistor for diagnostic high Figure 7: Fast analog application, Pull-up resistor 14.4 Robust PWM application, (pull-up load only) Figure 8: Robust PWM application with pull-up resistor 3901091206 Rev 034 Triaxis Current Sensor IC Page MLX91206 Data Sheet May-11 ...

Page 21

... Form recommendations for Melexis products” for more information. (http://www.melexis.com/Assets/Trim_and_form_recommendations_DownloadLink_5565.aspx) 16 ESD Precautions Electronic semiconductor products are sensitive to Electro Static Discharge (ESD). Always observe Electro Static Discharge control procedures whenever handling semiconductor products. 3901091206 Rev 034 Triaxis Current Sensor IC Page MLX91206 Data Sheet May-11 ...

Page 22

... SOIC8 Pinout and Marking Figure 10: Pinout and marking Note: the option code is not marked on the package. It can be found back in the EEPROM (see chapter 11.13) and on the tape-on-reel label information. 3901091206 Rev 034 Triaxis Current Sensor IC Page MLX91206 Data Sheet May-11 ...

Page 23

... SOIC8 Hall plate position Figure 11: Hall Plate positioning 17.4 IMC Position and sensors active measurement direction Figure 12: IMC position and geometry Low-Field version Figure 13: IMC position and geometry High-Field version 3901091206 Rev 034 Triaxis Current Sensor IC Page MLX91206 Data Sheet May-11 ...

Page 24

... Melexis reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system necessary to check with Melexis for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature ...

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