L6451A, L6451T22IM, L6452 Selling Leads, Datasheet
MFG:ST Package Cooled:QFP44 D/C:7
L6451A, L6451T22IM, L6452 Datasheet download
Part Number: L6451A
MFG: ST
Package Cooled: QFP44
D/C: 7
L6451A, L6451T22IM, L6452
- Table of contents:
Info of L6451A
Info of L6451T22IM
Info of L6452
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About L6402
PDF/DataSheet Download
Datasheet: L6402
File Size: 127061 KB
Manufacturer: GILWAY [Gilway Technical Lamp]
Download : Click here to Download
About L6402
PDF/DataSheet Download
Datasheet: L6402
File Size: 127061 KB
Manufacturer: GILWAY [Gilway Technical Lamp]
Download : Click here to Download
About L6452
PDF/DataSheet Download
Datasheet: L6452
File Size: 118402 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
L6452 General Description
L6452 is a device designed to drive two 13x16 matrix ink jet printheadsin 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 printheads, 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.
L6452 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| Vc | Power line supply voltage | 14 | V |
| Vr | Address line supply voltage | 14 | V |
| Va | Analog supply voltage | 14 | V |
| Vdd | Logic supply voltage | 6 | V |
| Vstep_up | Driving voltage of power DMOS stage | 28 | V |
| Vin | Logic input voltage range | -0.3 to Vdd+0.3 | V |
| Iout | Output continuous current | 0.5 | A |
| Tj | Junction temperature | 150 | °C |
| Tamb | Operating temperature range | 0 to 70 | °C |
| Tstg | Storage temperature range | -55 to 150 | °C |
L6452 Features
·DRIVES TWO 13X16 MATRIX HEADS
·HEAD TEMPERATURE SENSING
·POWER UP SYSTEM
·ELECTRICAL NOZZLE CHECK
·8 BIT A/D
·5 BIT D/A
·± 4KV ESD PROTECTED OUTPUTS
·HEAD TEMPERATURE SENSING
·POWER UP SYSTEM
·ELECTRICAL NOZZLE CHECK
·8 BIT A/D
·5 BIT D/A
·± 4KV ESD PROTECTED OUTPUTS
L6452 Connection Diagram
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