L6452

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Design Win

Dual 13X16 Matrix InkJet Heads Drivers

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Product overview

Description

L6452 is a device designed to drive two 13x16 matrix ink jet print heads in printer applications.

The output stage is able to source simultaneously 400 mA on each of the 16 power lines (columns) with a duty cycle of 33% in normal printing and 66% in head pre-heating. On the address lines (rows), the load is only capacitive (MOS FET driving capability). The driver can control two print heads, but only one is active at a time. The address scanning counter is included and can be disabled to allow a different scanning scheme.

In order to avoid output activation during the supply transient, an internal power-up system is implemented.

As supporting function, L6452 is capable of sensing the head silicon temperature and to electrically check each nozzle.

The device is also integrating a thermal protection.

  • All features

    • ± 4KV ESD PROTECTED OUTPUTS
    • 5 BIT D/A
    • DRIVES TWO 13X16 MATRIX HEADS
    • POWER UP SYSTEM
    • HEAD TEMPERATURE SENSING
    • 8 BIT A/D
    • ELECTRICAL NOZZLE CHECK

Circuit Diagram

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STMicroelectronics - L6452

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Quality and Reliability

Part Number Marketing Status Package Grade Marketing Lead Time Qty Material Declaration**
E-L6452
Active
PQFP 100 14x20x2.7 Industrial 1980

E-L6452

Package:

PQFP 100 14x20x2.7

Material Declaration**:

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Marketing Status

Active

Package

PQFP 100 14x20x2.7

Grade

Industrial

Marketing Lead Time Qty

1980

(**) 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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(*) 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