L9026

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Configurable multi channel relay driver 2HS + 6HS/LS

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Product overview

Description

The L9026 is an eight-channel IC, with two fixed HS drivers and six configurable HS/LS drivers designed for automotive applications (LEDs and relays) and compatible with resistive, inductive and capacitive loads. The device offers advanced diagnostic and protection functionalities such as: short to GND, open load, overcurrent, overtemperature detections. The eight output channels can be either driven by SPI or by two dedicated parallel inputs. Limp home functionality is also featured, which allows using two selected drivers in particularly faulty conditions, such as SPI fault, micro fault or supply UV. Daisy chain compatible even with 8bit SPI is available. The device is able to guarantee operations under a cranking scenario down to VBATT = 3 V and guarantees very low quiescent current under RESET condition.

L9026 has two input pins available connected to two outputs by default, in case of using different or additional outputs, it is managed by SPI.

For a direct control and PWM L9026 has two input pins available connected to two outputs by default, in case of manage different or additional output it is controlled by SPI.

The device is available in two package versions: HTSSOP24 and VFQFPN32. Only for the QFN package 2 additional pins are available for safety reasons. In details, the NRES pin is used to reset internal registers to their default values and the DIS pin is used to disable all channels.

  • All features

    • AEC-Q100 qualified
    • Full ISO26262 compliant, ASIL-B systems ready
    • Six configurable LS/HS drivers
    • Two High side drivers
    • 2 parallel input pins with input mapping functionality
    • Cranking capability down to VBATT = 3 V
    • Digital supply voltage compatible with 3.3 V and 5 V microcontroller
    • Reverse battery protection on VBATT and on drain pins without external components
    • BIM (bulb inrush mode) especially designed for drive resistive and capacitive loads
    • Limp home mode (with usage of IDLE and IN pins)
    • Safety features
      • Temperature sensor and monitoring
      • Serial communications using address feedback, one parity bit, frame counter and short frame detection
    • SPI interface 16-bit for outputs control and for diagnosis data communication
    • Package options: HTSSOP24, VFQFPN32
    • Green product (RoHS compliant)

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STMicroelectronics - L9026

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9026-B03N-TR
Active
VFQFPN 5X5X1 32L P0.5 Automotive Safety Ecopack2
L9026-YO-TR
Active
HTSSOP24 Automotive Safety Ecopack2

L9026-B03N-TR

Package:

VFQFPN 5X5X1 32L P0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

VFQFPN 5X5X1 32L P0.5

Grade

Automotive Safety

RoHS Compliance Grade

Ecopack2

L9026-YO-TR

Package:

HTSSOP24

Material Declaration**:

PDF XML

Marketing Status

Active

Package

HTSSOP24

Grade

Automotive Safety

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.

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L9026-YO-TR

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L9026-B03N-TR Active

Budgetary Price (US$)*/Qty:
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Part Number:

L9026-B03N-TR

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