L9781

Multiple valve pre-driver for diesel and gasoline direct injection

Parameters

Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	150.0
Operating Voltage Min Volt	5.0
Operating Voltage Max Volt	26.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 64 10x10x1.4 mm

Description

The L9781 is a multi valve pre-driver capable of driving 11 external N-channel logic level MOSFETs, controlling up to 5 inductive loads through peak and hold current control and one DC/DC step-up converter, providing full protection against accidental faults on the external hardware. The load peak...
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Key features

Key features
AEC-Q100 qualified 1 x DC/DC converter controller for VTank voltage generation (up to 80 V): 1 x low-side push-pull type N-channel MOSFET pre-driver 1 x current sensing block for current limitation 1 x voltage comparator with hysteresis for VTank voltage sensing 2 x driving channel controllers each made up of: 1 x high-side push-pull type VTank N-channel MOSFET pre-driver 1 x high-side push-pull type VBat N-channel MOSFET pre-driver 2 x low-side push-pull type N-channel MOSFET pre-driver 1 x differential amplifier with programmable gain for current sensing & peak current detection 1 x digital-to-analog converter for peak current threshold setting 1 x HW protection and diagnosis block for full load protection from accidental external short circuits 1 x additional peak and hold controller: 1 x high-side push-pull type VBat N-channel MOSFET pre-driver 1 x low-side push-pull type N-channel MOSFET pre-driver 1 x differential amplifier with programmable gain for current sensing and peak current detection 1 x digital-to-analog converter for peak current threshold setting 1 x HW protection and diagnosis block for full load protection from accidental external short circuits 1 x 32 bit SPI interface (up to 8 MHz) IC general control Programmable parameters setting Diagnosis and hardware protection management

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Parameters

Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	150.0
Operating Voltage Min Volt	5.0
Operating Voltage Max Volt	26.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 64 10x10x1.4 mm

Description

Key features

Key features
AEC-Q100 qualified 1 x DC/DC converter controller for VTank voltage generation (up to 80 V): 1 x low-side push-pull type N-channel MOSFET pre-driver 1 x current sensing block for current limitation 1 x voltage comparator with hysteresis for VTank voltage sensing 2 x driving channel controllers each made up of: 1 x high-side push-pull type VTank N-channel MOSFET pre-driver 1 x high-side push-pull type VBat N-channel MOSFET pre-driver 2 x low-side push-pull type N-channel MOSFET pre-driver 1 x differential amplifier with programmable gain for current sensing & peak current detection 1 x digital-to-analog converter for peak current threshold setting 1 x HW protection and diagnosis block for full load protection from accidental external short circuits 1 x additional peak and hold controller: 1 x high-side push-pull type VBat N-channel MOSFET pre-driver 1 x low-side push-pull type N-channel MOSFET pre-driver 1 x differential amplifier with programmable gain for current sensing and peak current detection 1 x digital-to-analog converter for peak current threshold setting 1 x HW protection and diagnosis block for full load protection from accidental external short circuits 1 x 32 bit SPI interface (up to 8 MHz) IC general control Programmable parameters setting Diagnosis and hardware protection management