Overview
The E-L6452, produced by STMicroelectronics, is a sophisticated device designed to drive two 13x16 matrix ink jet print heads in various printer applications. This dual-head driver is engineered to optimize print head performance, ensuring high-quality printing. The device integrates multiple functionalities, including head temperature sensing, power-up system, electrical nozzle check, and an 8-bit A/D and 5-bit D/A converter. It is capable of sourcing up to 400 mA on each of the 16 power lines with a duty cycle of 33% in normal printing and 66% in head pre-heating, making it highly efficient for demanding print tasks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Line Supply Voltage (Vc) | 10.5 - 12.5 | V |
| Address Line Supply Voltage (Vr) | 10.5 - 12.5 | V |
| Analog Supply Voltage (Va) | 10.5 - 12.5 | V |
| Logic Supply Voltage (Vdd) | 4.5 - 5.5 | V |
| Output Continuous Current (Iout) | 0.5 | A |
| Junction Temperature (Tj) | 150 | °C |
| Operating Temperature Range (Tamb) | 0 to 70 | °C |
| Storage Temperature Range (Tstg) | -55 to 150 | °C |
| ESD Protection | ±4 kV | |
| On Resistance (Rds(ON)) | 1.3 | Ω |
Key Features
- Dual 13x16 Matrix Head Support: Capable of driving two 13x16 matrix ink jet print heads, with only one head active at a time.
- Head Temperature Sensing: Integrated temperature sensing to monitor and control the print head temperature.
- Power-Up System: Internal power-up system to avoid output activation during supply transient.
- Electrical Nozzle Check: Functionality to electrically check each nozzle for open or short circuit conditions.
- A/D and D/A Converters: Includes an 8-bit A/D converter and a 5-bit D/A converter for precise control.
- Thermal Protection: Built-in thermal protection to prevent overheating.
- High Current Output: Able to source up to 400 mA on each of the 16 power lines.
- ESD Protection: Outputs are ±4 kV ESD protected.
Applications
The E-L6452 is primarily designed for use in ink jet printer applications, particularly those requiring high precision and reliability. It is suitable for a variety of printing systems, including industrial and commercial printers, where the ability to drive multiple print heads and manage their temperature and performance is crucial.
Q & A
- What is the primary function of the E-L6452?
The E-L6452 is designed to drive two 13x16 matrix ink jet print heads in printer applications.
- How much current can the E-L6452 source on each power line?
The device can source up to 400 mA on each of the 16 power lines.
- What is the operating temperature range of the E-L6452?
The operating temperature range is from 0 to 70°C.
- Does the E-L6452 have built-in thermal protection?
Yes, the device includes built-in thermal protection to prevent overheating.
- What type of ESD protection does the E-L6452 offer?
The outputs are protected against ±4 kV ESD.
- Can the E-L6452 drive both print heads simultaneously?
No, the device can control two print heads but only one is active at a time.
- What is the purpose of the electrical nozzle check feature?
The electrical nozzle check feature allows for the detection of open or short circuit conditions in each nozzle.
- Does the E-L6452 include an A/D and D/A converter?
Yes, it includes an 8-bit A/D converter and a 5-bit D/A converter.
- What is the junction temperature limit of the E-L6452?
The junction temperature limit is 150°C.
- What is the storage temperature range for the E-L6452?
The storage temperature range is from -55 to 150°C.
