Comprehensive Product Summary – cPS-H325/24 CompactPCI® Power Supply (Article: cPS-H325/24)

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### 1. Product Overview

Product Name: cPS-H325/24
Model Number: cPS-H325/24
Series: cPS-H325 Series (includes cPS-H325/24 and cPS-H325/110 variants)
Article Number: cPS-H325/24
Manufacturer: ADLINK Technology, Inc.
Product Type: CompactPCI® 3U Hot-Swap Redundant Power Supply Module
Power Rating: 250 W continuous output
Input Type: 24 VDC nominal (18–36 VDC range)
Connector Type: Standard PICMG® 2.11 47-pin CompactPCI® power interface
Form Factor: 3U CompactPCI®, 8HP (two-slot width)

The ADLINK cPS-H325/24 is a high-performance, hot-swappable, redundant CompactPCI® power supply designed for industrial and embedded computing systems requiring reliable DC input operation. It conforms to the PICMG® 2.11 CompactPCI® Power Interface standard and provides a total output power of 250 W with multiple regulated DC outputs. The module is engineered for demanding environments, offering active current sharing, internal OR-ing diodes for N+1 redundancy, and comprehensive protection features.

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### 2. Key Features

- PICMG® 2.11 Compliance: Fully compliant with the CompactPCI® Power Interface standard, ensuring interoperability with standard CompactPCI® backplanes and chassis.
- 3U CompactPCI® 8HP Form Factor: Compact 100 x 160 mm board size, occupying two slots (8HP width) in a 3U chassis.
- 47-pin Power Connector: Standardized interface for DC input and DC output connections, supporting hot-swap operation.
- 250 W DC Output Power: Provides stable and efficient power delivery for CompactPCI® systems.
- Active Power Factor Correction (PFC): Meets IEC1000-3-2 harmonic correction requirements, achieving a typical power factor of 0.95–0.97.
- Hot-Swappable Design: Enables replacement or maintenance without system shutdown, minimizing downtime.
- N+1 Redundancy Support: Internal OR-ing diodes allow multiple units to operate in parallel for fault-tolerant power configurations.
- Active Current Sharing: Ensures balanced load distribution among redundant modules.
- Comprehensive Protection: Includes over-temperature, over-current, over-load, and over-voltage protection on all output rails.
- Status Indicators: Dual LED indicators (green for power, amber for fault) provide immediate visual status feedback.
- Remote Control and Monitoring: Supports remote ON/OFF control, power failure (FAL#), and degradation (DEG#) signals for system-level management.
- EMI Compliance: Meets EN 55022 and FCC Class A emission standards.
- Wide Operating Temperature Range: -40 °C to +70 °C at full load with airflow, suitable for harsh industrial environments.
- High Efficiency: Typical efficiency of 78–79%, optimizing thermal performance and energy utilization.

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### 3. Technical Specifications

Form Factor: 3U CompactPCI®, 8HP (two-slot width)
Dimensions: 100 mm (H) × 160 mm (D) × 40 mm (approx. W for 8HP)
Weight: Approximately 0.8–1.0 kg (typical for 3U power modules)
Construction: Industrial-grade PCB assembly with integrated cooling and protective casing

Input Characteristics:
- Input Voltage Range: 18–36 VDC
- Nominal Input Voltage: 24 VDC
- Input Current: Peak 32.6 A @ 24 VDC
- Input Frequency: DC (no AC input)
- Inrush Current: Not applicable (DC input)
- Power Factor: 0.95–0.97 (active PFC circuit)
- Harmonic Correction: IEC1000-3-2 compliant

Output Characteristics:
- Total Output Power: 250 W continuous
- Output Rails:
- +5 V: Typical 25.0 A, Maximum 33.0 A
- +3.3 V: Typical 18.0 A, Maximum 33.0 A
- +12 V: Typical 5.0 A, Maximum 5.5 A
- -12 V: Typical 0.5 A, Maximum 1.0 A
- Minimum Load: 0.5 A @ +5 V
- Line Regulation: Typical 0.1%
- Load Regulation: ±1–2% typical
- Ripple Noise:
- 50 mV (p-p) @ +5 V and +3.3 V
- 120 mV (p-p) @ +12 V and -12 V
- Hold-up Time: 5 ms after power fail signal
- Efficiency: 78–79% typical

Environmental Conditions:
- Operating Temperature: -40 °C to +70 °C (full load with ≥600 LFM airflow)
- Derates linearly to 60% output at +70 °C
- Requires 3-minute warm-up after cold start below 0 °C
- Storage Temperature: -40 °C to +85 °C
- Humidity: 5% to 95% non-condensing
- Shock Resistance: 15 G peak-to-peak, 11 ms duration (non-operational)
- Vibration Resistance: 1.88 Grms, 5–500 Hz, each axis (operational)
- Cooling Requirement: Minimum 20 CFM airflow for full power operation

Electrical Safety & Leakage:
- Earth Leakage Current: <0.5 mA @ 24 VDC
- Isolation: Designed to meet IEC60950 Class I safety requirements

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### 4. Functionality

The cPS-H325/24 operates as a high-efficiency DC-to-DC converter module within a CompactPCI® system. It receives a 24 VDC input (18–36 VDC range) and delivers multiple regulated DC outputs (+5 V, +3.3 V, +12 V, -12 V) to power system boards, peripherals, and backplane components.

Operational Features:
- Hot-Swap Capability: The 47-pin connector supports live insertion and removal under load, enabling maintenance without system downtime.
- Redundant Operation: When used in N+1 configurations, internal OR-ing diodes isolate faulty modules, ensuring uninterrupted power delivery.
- Active Current Sharing: Balances load currents across parallel modules, preventing overload on individual units.
- Remote Control: The [INH#] and [EN#] pins allow remote enable/disable control from the system controller.
- Monitoring Signals:
- [FAL#] pin indicates power failure conditions.
- [DEG#] pin signals power degradation or reduced performance.
- Output Voltage Sensing: Sense lines for +5 V, +3.3 V, and +12 V outputs maintain voltage accuracy at the load point.

Applications:
- Industrial automation and control systems
- Telecommunications and networking equipment
- Embedded computing platforms
- Military and transportation systems requiring DC input
- Redundant CompactPCI® power architectures

Compatibility:
- Fully compatible with PICMG® 2.11 CompactPCI® backplanes
- Designed for use in 3U CompactPCI® chassis with 8HP power slots
- Interoperable with other ADLINK cPS series modules and standard CompactPCI® components

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### 5. Components & Accessories

Included Components:
- cPS-H325/24 power supply module
- Integrated 47-pin CompactPCI® power connector
- Built-in status LEDs (Power/Fault)
- Internal OR-ing diodes for redundancy
- Active PFC circuitry

Optional Accessories:
- Redundant power supply cage or bracket (for N+1 configurations)
- CompactPCI® backplane with PICMG® 2.11 power interface
- Cooling fans or airflow management accessories (≥20 CFM recommended)
- Remote monitoring cables for FAL#, DEG#, INH#, and EN# signals

Connectors:
- Input/Output Interface: Standard 47-pin CompactPCI® power connector
- Signal Pins:
- INH#, EN#: Remote ON/OFF control
- FAL#: Power failure signal
- DEG#: Power degradation signal
- Sense lines for +5 V, +3.3 V, +12 V

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### 6. Installation & Setup

Requirements:
- Compatible 3U CompactPCI® chassis with PICMG® 2.11 power slot
- DC input source within 18–36 VDC range
- Adequate airflow (≥20 CFM) for full-load operation
- Proper grounding and earth connection per IEC60950 Class I

Mounting Options:
- Direct insertion into CompactPCI® backplane slot (8HP width)
- Hot-swap insertion supported via 47-pin connector
- Secured with standard CompactPCI® retention mechanisms

Configuration Steps:
1. Ensure DC input source is within specified voltage range.
2. Insert the module into the designated CompactPCI® power slot.
3. Verify proper seating of the 47-pin connector.
4. Connect remote control and monitoring signals if required.
5. Apply DC input power; verify green LED (POWER) is illuminated.
6. Monitor system for any amber LED (FAULT) indications.

Setup Notes:
- Allow 3-minute warm-up after cold start below 0 °C.
- For redundant configurations, ensure all modules share load evenly via current sharing lines.
- Maintain airflow across the module to prevent thermal derating.

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### 7. Performance & Capabilities

Power Output: 250 W continuous total output
Efficiency: 78–79% typical
Voltage Regulation: ±1–2% load regulation, 0.1% line regulation
Ripple & Noise: ≤50 mV (3.3 V, 5 V), ≤120 mV (±12 V)
Hold-up Time: 5 ms after power fail signal
Redundancy: N+1 supported with internal OR-ing diodes
Current Sharing: Active load balancing among parallel modules
Thermal Performance: Full load operation up to +70 °C with 600 LFM airflow
Reliability: Designed for continuous industrial operation with robust protection circuits

Limitations:
- Derated output above +70 °C ambient (60% capacity at +70 °C)
- Requires minimum airflow for full power rating
- Maximum load per rail cannot be drawn simultaneously at all outputs

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### 8. Standards & Compliance

Industry Standards:
- PICMG® 2.11 CompactPCI® Power Interface
- CompactPCI® 3U mechanical and electrical specifications

Electrical & Safety Compliance:
- IEC950
- IEC60950 Class I
- EN 55022 (EMI)
- FCC Class A (EMI)
- IEC1000-3-2 (Harmonic Correction)

Environmental Compliance:
- Operating temperature: -40 °C to +70 °C
- Storage temperature: -40 °C to +85 °C
- Humidity: 5–95% non-condensing
- Shock and vibration tested per industrial standards

EMC & EMI:
- Meets EN 55022 and FCC Class A emission limits
- Designed for low noise and minimal interference in industrial environments

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### 9. Additional Information

Warranty: Standard manufacturer warranty (typically 1–3 years, per ADLINK policy)
Support:
- Technical documentation and datasheets available at [www.adlinktech.com](http://www.adlinktech.com)
- Global technical support and RMA services provided by ADLINK Technology

Maintenance:
- Periodic inspection for dust accumulation and airflow obstruction
- Verify LED indicators and signal outputs for early fault detection
- Replace modules in redundant configurations as needed without system shutdown

Firmware/Hardware Updates:
- Hardware revisions and specification updates published by ADLINK
- All specifications subject to change without notice (latest revision: March 10, 2017)

Ordering Information:
- cPS-H325/24: 18–36 VDC input, 250 W output, 3U CompactPCI® 8HP power module
- cPS-H325/110: 66–160 VDC input, 250 W output, 3U CompactPCI® 8HP power module

Trademark Notice:
CompactPCI® and PICMG® are registered trademarks of the PCI Industrial Computer Manufacturers Group. ADLINK Technology, Inc. and all related product names are trademarks or trade names of their respective owners.

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Summary:
The ADLINK cPS-H325/24 is a robust, high-efficiency 250 W CompactPCI® power supply module engineered for mission-critical industrial and embedded systems. With its wide 18–36 VDC input range, hot-swap capability, and N+1 redundancy support, it ensures continuous, reliable power delivery in demanding environments. Compliance with PICMG® 2.11, IEC, EN, and FCC standards guarantees interoperability, safety, and electromagnetic compatibility. Its compact 3U 8HP form factor, active current sharing, and comprehensive protection suite make it an ideal choice for high-availability CompactPCI® platforms requiring stable DC power and minimal downtime.