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L9690-TR

Automotive 12 channels chip for advanced airbag applications

Operating Temp Min Celsius-40.0
Operating Temp Max Celsius175.0
Operating Voltage Min Volt5.4
Operating Voltage Max Volt18.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive Safety
Package NameTQFP 128 14x14x1.0

The L9690 is an advanced airbag system chip solution targeted for the global airbag market.High frequency power supply design optimizes system cost by using smaller and less expensive external components. All switching regulators operate at 2 MHz and all buck converters have integrated synchronous...
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Key features
  • AEC-Q100 qualified
  • Single chip and master/slave configurations
  • Boost regulator for energy reserve
    • 2 MHz operation
    • Output voltage 24 V/33 V ±6%, user-selectable, peak inductor current regulation
    • Capacitor value and ESR diagnostics
  • Boost regulator for low voltage system operation
    • 2 MHz operation
    • Output voltage, 10 V ±8%, 870 mA max
  • Buck regulator for remote sensor
    • 2 MHz operation
    • Output voltage, 6.5 V/8 V ±4%, 700 mA max
  • Buck regulator for micro controller unit
    • 2 MHz operation
    • Output voltage, 3.3 V ±3%, 450 mA max
  • Remote sensor interface and SYNC pulse supply voltage inputs and monitorings
  • Linear regulator with external power PNP transistor, 5 V ±5%, 135 mA max
  • Integrated energy reserve crossover switch with switch active output indicator, configured as input for slave mode operation
  • Battery voltage monitor and shutdown with wake-up control
  • System voltage diagnostics with integrated ADCs
  • Squib/LEA deployment drivers
    • 12 channel HSD/LSD for squib load
    • 2 over 12 channels supporting LEA load
    • 2 channel couples supporting common-return connection
    • 18 V deployment voltage
    • Low, high and automatic dynamic deployment current profiles
    • R measure, STB, STG and leakage diagnostics
    • High and low side driver FET tests
    • LEA presence diagnostics
  • Two isolated high side safing FET regulators and diagnostics
  • Six channel PSI-5 v2.3 remote sensor interface
  • Three channel general purpose low side drivers with 0-100% PWM control
  • Nine channel hall-effect, resistive or switch sensor interface
  • User-programmable safing logic and rolling average algorithm
  • E2E arming procedure through Global SPI
  • Temporal watchdog timer
  • End-of-life disposal interface
  • Temperature sensor
  • 32 bit Global SPI bus interface
  • 32 bit Remote Sensor SPI bus interface, SafeSPI v1.0 compatible
  • LIN v2.2A interface with OCS message decoding capability
  • 5.4 V min operating voltage at VIN battery input for start-up
  • Full ISO 26262 compliant, ASIL-D systems ready
  • Packaging 128 pin
Out of Stock
Quantity $ per unit Savings
1-9$13.090%
10-24$12.038%
25-99$11.5412%
100-249$10.1622%
250-499$9.6626%
500$9.5727%
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$13.09
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius175.0
Operating Voltage Min Volt5.4
Operating Voltage Max Volt18.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive Safety
Package NameTQFP 128 14x14x1.0

The L9690 is an advanced airbag system chip solution targeted for the global airbag market.High frequency power supply design optimizes system cost by using smaller and less expensive external components. All switching regulators operate at 2 MHz and all buck converters have integrated synchronous...
Read More

Key features
  • AEC-Q100 qualified
  • Single chip and master/slave configurations
  • Boost regulator for energy reserve
    • 2 MHz operation
    • Output voltage 24 V/33 V ±6%, user-selectable, peak inductor current regulation
    • Capacitor value and ESR diagnostics
  • Boost regulator for low voltage system operation
    • 2 MHz operation
    • Output voltage, 10 V ±8%, 870 mA max
  • Buck regulator for remote sensor
    • 2 MHz operation
    • Output voltage, 6.5 V/8 V ±4%, 700 mA max
  • Buck regulator for micro controller unit
    • 2 MHz operation
    • Output voltage, 3.3 V ±3%, 450 mA max
  • Remote sensor interface and SYNC pulse supply voltage inputs and monitorings
  • Linear regulator with external power PNP transistor, 5 V ±5%, 135 mA max
  • Integrated energy reserve crossover switch with switch active output indicator, configured as input for slave mode operation
  • Battery voltage monitor and shutdown with wake-up control
  • System voltage diagnostics with integrated ADCs
  • Squib/LEA deployment drivers
    • 12 channel HSD/LSD for squib load
    • 2 over 12 channels supporting LEA load
    • 2 channel couples supporting common-return connection
    • 18 V deployment voltage
    • Low, high and automatic dynamic deployment current profiles
    • R measure, STB, STG and leakage diagnostics
    • High and low side driver FET tests
    • LEA presence diagnostics
  • Two isolated high side safing FET regulators and diagnostics
  • Six channel PSI-5 v2.3 remote sensor interface
  • Three channel general purpose low side drivers with 0-100% PWM control
  • Nine channel hall-effect, resistive or switch sensor interface
  • User-programmable safing logic and rolling average algorithm
  • E2E arming procedure through Global SPI
  • Temporal watchdog timer
  • End-of-life disposal interface
  • Temperature sensor
  • 32 bit Global SPI bus interface
  • 32 bit Remote Sensor SPI bus interface, SafeSPI v1.0 compatible
  • LIN v2.2A interface with OCS message decoding capability
  • 5.4 V min operating voltage at VIN battery input for start-up
  • Full ISO 26262 compliant, ASIL-D systems ready
  • Packaging 128 pin