MLX90401KDF MELEXIS [Melexis Microelectronic Systems], MLX90401KDF Datasheet
MLX90401KDF
Related parts for MLX90401KDF
MLX90401KDF Summary of contents
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Features and benefits • 12V to 40V operating range • BVDSS > 60V • On-chip “boost” voltage allows use of all N-channel drivers • On-chip PWM oscillator • PWM speed control via bottom drivers Ordering information Part No. Temperature Code ...
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Table of content 1 Pin configuration ..........................................................................................................1 2 General description ......................................................................................................1 3 Glossary of terms .........................................................................................................3 4 Pin definitions and description....................................................................................3 5 Absolute maximum ratings ..........................................................................................4 6 MLX90401 electrical specifications .............................................................................4 7 General description ......................................................................................................5 7.1 Overview .............................................................................................................................................. 5 7.2 ...
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Glossary of terms FET Field Effect Transistor PWM Pulse Width Modulation Undervoltage State in which the power supply voltage is lower than the operation range of the device. Overcurrent State in which the current flowing in a certain device ...
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Absolute maximum ratings Supply Voltage, V Output Voltage on pins Gate & Cap Boost Voltage on Pins 17,18,20,21,23,24 Power Dissipation, P Operating Temperature Range, T Storage Temperature Range MLX90401 electrical specifications DC Operating Parameters T = -40 ...
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Top output on resistance Bottom output on resistance Rise time Fall time Turn-on propagation delay Turn-off propagation delay Leakage current 7 General description 7.1 Overview The MLX90401 contains all functions for controlling three-phase brushless DC motors in open loop applications. ...
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Block diagram 5V Regulator (To Logic) V (1) S UVLO OSC - Sawtooth Osc R/C (8) 25kHz Oscillator (variable) - Speed Adj / + Disable (7) UVLO V (internal) REG - + 5V 3.5KΩ Debouncer /Brake (9) 5V 3.5KΩ ...
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Commutation decoding and output control logic An internal digital circuit converts the signals from the Hall-effect position sensors into the proper sequencing of top and bottom drive outputs. 60° or 120° sensor electrical phasing can be selected by an ...
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Pulse width modulation The use of pulse width modulation (PWM) provides an energy efficient method of controlling the motor speed by varying the average voltage applied to each stator winding during the commutation sequence discharges, the oscillator ...
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Undervoltage lockout Should the voltage level undervoltage condition disappears, to prevent improper drive of the power FETs. 7.9 Logic table Following table shows the output state in function of the inputs. It summarizes the different functions ...
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Application information 8.1 Evaluation Board An Evaluation Board for the MLX90401 called EVB90401 is available. The accompanying Application Note describes the Board, and gives extra information concerning the use of the MLX90401 in real-life applications. Consult our website www.melexis.com ...
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A Forward/Reverse switch is present; the Brake switch could be omitted depending on the application. • A jumper or fixed PCB track selects the type of motor (60/120 degrees electrical sensor spacing). • D1-3 and C6-8 are the bootstrap ...
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EN60749-15 Resistance to soldering temperature for through-hole mounted devices • MIL 883 Method 2003 / EIA/JEDEC JESD22-B102 Solderability For all soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature profile etc) additional classification and ...
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Disclaimer Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the ...