Melexis MLX83100 Automotive 2-Phase DC Pre-Driver
Melexis MLX83100 Automotive 2-Phase DC Pre-Drivers are with an integrated current sense amplifier. The MLX83100 pre-drivers are used to drive brushed DC motors in combination with a microcontroller and four discrete power N-FETs. These drivers control four external N-FETs for full H-bridge control in the supply range from 4.5V to 28V. MLX83100 pre-drivers include various monitoring and protection functions and gate-source voltage monitoring of the external N-FETs. The MLX83100 provides an EEPROM for configure-ability, avoiding the need for a high pin-count package. Applications include Water pump, fuel pump, engine cooling fan, wiper, sunroof, blowers, and compressors.
Features
2-phase DC gate driverLevel shifting between MCU PWM outputs and 2 external half-bridgesCompatible with 3.3V to 5.0V microcontrollersIntegrated current sense amplifierLow offset and low offset driftFast settling time < 1µsProgrammable gain 8x to 48xSupport supply voltage rangeAbsolute maximum rating: 45.0VOperating range: 4.5V to 28.0V12V to 28V Battery systemsAutomotive qualified for 12VSleep mode with current <30µATwo charge pump configuration modesLow-voltage operationReverse polarity N-FET protection
Applications
Automotive 12V DC applicationsWater pump / oil pump / fuel pumpHVAC blower/compressorWiperSunroof
Documents
Datasheet
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