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MLX83203 Datasheet(PDF) 2 Page - Melexis Microelectronic Systems |
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MLX83203 Datasheet(HTML) 2 Page - Melexis Microelectronic Systems |
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2 / 35 page  MLX83202/MLX83203 Automotive NFET pre-drivers 3901083203 Page 2 of 35 Prelim. Data Sheet Rev 2.2 4 Dec 2013 Table of Contents 1 Functional Diagram ____________________________________________________________________1 2 General Description ___________________________________________________________________1 3 Glossary of Terms _____________________________________________________________________3 4 Absolute Maximum Ratings _____________________________________________________________3 5 Pin Definitions and Descriptions _________________________________________________________4 6 Electrical Specifications ________________________________________________________________5 7 Block diagram and application circuit ___________________________________________________10 7.1 Pinout schematics ________________________________________________________________12 7.2 Ground connections_______________________________________________________________13 8 Description__________________________________________________________________________14 8.1 Supply system ___________________________________________________________________14 8.2 Sleep mode ______________________________________________________________________14 8.2.1 Sleep mode status overview ______________________________________________________15 8.3 Enable input _____________________________________________________________________16 8.4 Protection and diagnostic functions _________________________________________________16 8.4.1 Drain-source voltage monitoring ___________________________________________________16 8.4.2 Programmable dead time_________________________________________________________16 8.4.3 Supply overvoltage shutdown _____________________________________________________16 8.4.4 Regulated supply overvoltage shutdown _____________________________________________16 8.4.5 Undervoltage warnings __________________________________________________________17 8.4.6 Over temperature warning ________________________________________________________17 8.4.7 EEPROM error warning __________________________________________________________17 8.4.8 ICOM diagnostics interface _______________________________________________________17 8.4.9 Pre-driver output state summary ___________________________________________________19 8.5 EEPROM programming ____________________________________________________________20 8.5.1 Memory map __________________________________________________________________20 8.5.2 SPI communication _____________________________________________________________21 8.6 Current sense amplifier ____________________________________________________________25 8.7 FET driver implementation _________________________________________________________27 8.7.1 Normal operation _______________________________________________________________27 8.7.2 FET driver during sleep mode _____________________________________________________28 8.8 Charge pump_____________________________________________________________________28 8.9 100% PWM with bootstrap __________________________________________________________29 9 Standard information regarding manufacturability of Melexis products with different soldering processes ____________________________________________________________________________30 10 ESD Precautions ____________________________________________________________________30 11 Package Information _________________________________________________________________31 11.1 Package data QFN32 (5x5, 32 leads) ________________________________________________31 11.2 Package data TQFP48_EP 7x7 (48 leads, exposed pad) _______________________________32 11.3 Package Marking ________________________________________________________________33 12 Disclaimer _________________________________________________________________________34 |
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