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  • The L9788 is an integrated circuit designed for automotive engine management system.

    L9788 is a device realized in ST BCD proprietary technology, able to provide the full set of power supplies and signal preprocessing peripherals needed to control a 4 cylinders internal combustion engine.

    Key Features

    • AEC-Q100 qualified
    • Engineered for ISO26262 compliant system
    • 1 pre boost regulator and 1 pre buck regulator
    • 1 linear 5 V regulator with 1 A output current
    • 3 independent self-protection 5 V tracking regulator with 150 mA output.
    • 1 input voltage pin for monitor external tracking.
    • Coordinated soft start-up of all regulators
    • 4 channels LS injector LS drivers
    • 2 channels LS drivers for O2H load with current sense
    • 2 channels LS camshaft or solenoid drivers
    • 5 channels LS relay drivers
    • 2 channels LS LED drivers
    • 3 channels LS/HS drivers with low battery function for smart start
    • 1 channel LS main relay driver (MRD) with internal diode for reverse battery protection
    • 5 channels pre-drivers for external FET drivers - Predriver 1&3 configurable for O2H load with external Rshunt-on the source of Ext. N-Channel Mos
    • 6 channels pre-drivers for internal or external igniter drivers
    • 1 K-Line ISO9141/LIN 2.1 compliant
    • Integrated charge-pump
    • VRS-interface
    • Watchdog
    • Pin Wake-up
    • Temperature sensor and monitoring
    • Stop-counter with Wake-up
    • Dual bandgap reference & oscillator
    • Micro-second-channel MSC for differential single ended mode
    • SEO function
    • CAN-FD with wake up by CAN function
    • Package LQFP100 exposed pad

Recommended for you

Related Applications

Electro Mobility

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      EVAL-L9788

      Active

      Evaluation board for L9788 Multifunction IC for automotive EMS

      Automotive IC Eval Boards ST
      EVAL-L9788

      Description:

      Evaluation board for L9788 Multifunction IC for automotive EMS

CAD/EDA Symbols, Footprints and Models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9788
Active
LQFP-EP 100 14x14x1.4 Automotive Ecopack2
L9788TR
Active
LQFP-EP 100 14x14x1.4 Automotive Ecopack2

L9788

Package:

LQFP-EP 100 14x14x1.4

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP-EP 100 14x14x1.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9788TR

Package:

LQFP-EP 100 14x14x1.4

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP-EP 100 14x14x1.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L9788 No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tray LQFP-EP 100 14x14x1.4 -40 125 MALAYSIA 10.6 / 1k
L9788TR Available at 2 distributors

Distributor availability ofL9788TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 95 1 Order Now
MOUSER WORLDWIDE 775 1 Order Now

Distributor reported inventory date: 2020-10-19

Distributor Name

DIGIKEY

Stock

95

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

775

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-19

Buy Direct
Active
EAR99 NEC Tape And Reel LQFP-EP 100 14x14x1.4 -40 125 MALAYSIA 10.6 / 1k

L9788

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

10.6 / 1k

ECCN (EU)

NEC

Packing Type

Tray

Package

LQFP-EP 100 14x14x1.4

Operating Temperature (°C)

(min)

-40

(max)

125

Budgetary Price (US$)* / Qty

10.6 / 1k

Country of Origin

MALAYSIA

L9788TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

10.6 / 1k

Distributor availability ofL9788TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 95 1 Order Now
MOUSER WORLDWIDE 775 1 Order Now

Distributor reported inventory date: 2020-10-19

Distributor Name

DIGIKEY

Stock

95

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

775

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-19

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

LQFP-EP 100 14x14x1.4

Operating Temperature (°C)

(min)

-40

(max)

125

Budgetary Price (US$)* / Qty

10.6 / 1k

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors