AMAT 0190-53752 DI Water I/O Controller PCB
AMAT 0190-53752: DI Water I/O Controller PCB
The AMAT 0190-53752 is a specialized Printed Circuit Board (PCB) designed by Applied Materials for the precise management of Deionized (DI) water systems. Often identified by its secondary part number 0110-03299.
this controller is a critical component of the HX (Heat Exchanger) and cooling subsystems within advanced semiconductor platforms.
It ensures that the high-purity water used for thermal regulation and wafer cleaning is delivered at the exact pressure and flow rates required for stable processing.
Technical Parameter Table
| Parameter | Specification |
| Manufacturer | Applied Materials (AMAT) |
| Part Number | 0190-53752 |
| Alternate Part Number | 0110-03299 |
| Module Type | DI Water I/O Controller |
| Subsystem Compatibility | HX (Heat Exchanger) / DI Water Manifold |
| Input Signal | 24V DC Digital / Analog Feedback |
| Output Control | Solenoid Valve Drive / Pump Logic |
| PCB Revision | Commonly Rev C / Rev D |
| Weight | Approx. 0.43 kg |
Product Advantages and Features
Corrosion-Resistant Design: Engineered to operate in environments with constant exposure to DI water monitoring systems.
Closed-Loop Feedback: Features dedicated circuitry for processing signals from flow meters and resistivity sensors, allowing for real-time adjustments to water quality.
Fail-Safe Monitoring: Includes hardware-level interlocks that can immediately shut down water flow in the event of a leak or a pressure spike, protecting the tool’s vacuum chamber.
Simplified Integration: Uses standard multi-pin connectors that allow for rapid replacement during maintenance windows, reducing Mean Time to Repair (MTTR).
Application Cases
Chamber Cooling (HX): Managing the DI water loop for heat exchangers in high-power Etch and CVD tools to prevent electrode overheating.
Wafer Cleaning (Pre/Post-Process): Controlling the DI water spray and rinse cycles in integrated cleaning modules to ensure zero-particle contamination.
Facility Interface: Acting as the communication bridge between the tool’s main controller and the fab’s central DI water distribution system.
Related Models & Same Series
0190-53752
The 0190-53752 is frequently found alongside these cooling and I/O components:
0190-83445: A related DI Water Controller revision often used in similar HX configurations.
0190-36787: ISAC CP I/O Block (Top) for overall system signal management.
0040-23547: RF Water Box Assembly (Heat Exchange hardware).
0190-35764: Power Interface Module commonly powering the I/O racks.
Unique Product Description
The AMAT 0190-53752 is the “Hydraulic Intelligence” of the HX subsystem. In the delicate environment of a semiconductor fab, DI water is both a necessity and a risk.
This controller acts as a specialized guardian, ensuring that the water remains a tool for temperature stability rather than a source of contamination or hardware damage.
Its precision logic allows for the micro-adjustment of flow valves, maintaining the exact thermal equilibrium needed for sub-nanometer etching accuracy.
Installation and Maintenance
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Installation Guidelines
De-energize: Ensure the tool’s DC power and the DI water supply valves are fully shut off and locked out.
ESD Protection: The 0190-53752 contains sensitive logic ICs; always use a grounded ESD wrist strap during handling.
Connector Seating: Verify that the ribbon cables and power connectors are pushed until they “click” into place to prevent intermittent connectivity errors caused by tool vibration.
Air Purge: After installation, perform a manual water cycle to purge any air from the lines before returning the tool to production.
Maintenance Procedures
Connection Audit: Every 6 months, inspect the terminal headers for any signs of moisture-induced oxidation or mineral buildup.
Diagnostic Check: Use the tool’s maintenance software to verify that the “DI Water Pressure” and “Flow Rate” readings match calibrated external gauges.
Cleaning: If cleaning is required, use only electronics-safe contact cleaners. Never use water or industrial solvents directly on the PCB surface.