PD69200C-018818 Equivalent & Substitute Parts

Part Overview

The PD69200C-018818 is a Power Over Ethernet (PoE) Controller from Microchip Technology's PowerDsine® series, designed for 4-channel 802.3af and 802.3at PSE (Power Sourcing Equipment) applications. This component is classified as Obsolete and is no longer in active production. Due to its discontinued status, identifying functionally compatible substitute parts is essential for system redesign, legacy product support, and procurement continuity.

Substiute Parts

PD69200C-018818

Microchip TechnologyIn Stock: 2101PD69200C-018818 Datasheet

Current PartRFQ

PD69220C-022419

Microchip TechnologyIn Stock: 60286PD69220C-022419 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PD69200C-018818 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Manufacturer: Microchip Technology (PowerDsine® series preferred for firmware and design continuity)
• Product Type: Controller (PSE) — must function as a Power Sourcing Equipment controller
• PoE Standards Support: Must support at minimum 802.3af and 802.3at protocols
• Package Compatibility: Surface mount, 32-pin QFN/LGA family with 5x5mm footprint
• Operating Temperature Range: -40°C ~ 85°C (TA)
• RoHS Compliance: ROHS3 Compliant
• Moisture Sensitivity: MSL 3 (168 Hours)

Flexible Parameters (may differ between main part and substitute):

• Number of channels (may increase for multi-port applications)
• Supply voltage range (may vary based on controller architecture)
• Maximum power output (applicable to substitute parts with higher channel counts)
• Internal switch configuration (may differ)
• Auxiliary sense capability (may differ)

The PD69220C-022419 qualifies as a direct substitute based on shared manufacturer, product category, package family, compliance certifications, and operating temperature range, despite architectural differences in channel count and supply voltage specifications.

Parameter Comparison

Engineering Selection Recommendations

For PD69200C-018818 Replacement:

The PD69220C-022419 is the manufacturer-recommended substitute. Selection is justified on the following engineering grounds:

1. Product Status: The main part is obsolete; the substitute is active production. This ensures long-term availability and supply chain stability.

2. Regulatory Compliance: Both parts maintain ROHS3 compliance and identical MSL ratings (3, 168 Hours), ensuring equivalent environmental and handling requirements.

3. Operating Environment: Identical operating temperature range (-40°C ~ 85°C TA) confirms thermal compatibility in equivalent applications.

4. Package Family Compatibility: Both use 32-pin surface-mount packages with 5x5mm footprint. While the main part uses TFQFN and the substitute uses VFLGA, both are compatible with standard PCB layouts for this package class.

5. PoE Protocol Support: The substitute supports all protocols of the main part (802.3af, 802.3at) plus 802.3bt, providing forward compatibility without protocol degradation.

6. Manufacturer Continuity: Both parts are from Microchip Technology, ensuring design documentation, firmware compatibility, and technical support consistency.

Design Considerations:

• The substitute features 48 channels versus 4 channels in the main part. System designs requiring exactly 4 channels must account for unused channel resources or implement channel masking per Microchip firmware documentation.
• Supply voltage specifications differ (3V ~ 3.63V for substitute versus 32V ~ 57V for main part). PCB power distribution architecture must be re-evaluated and adjusted accordingly.
• The substitute includes internal switches; the main part does not. Firmware and gate-drive circuit designs may require adjustment.

Frequently Asked Questions (FAQ)

Q: Can the PD69220C-022419 directly replace the PD69200C-018818 without PCB modifications?

A: Package footprints are compatible (both 32-pin, 5x5mm surface mount). However, supply voltage requirements differ significantly (3V ~ 3.63V versus 32V ~ 57V). PCB power distribution and voltage regulation circuits must be redesigned. Firmware updates may be required to account for architectural differences (channel count, internal switches).

Q: What is the primary reason for substitution?

A: The PD69200C-018818 is obsolete and no longer manufactured. The PD69220C-022419 is the active-production equivalent from the same manufacturer, ensuring continued availability and support.

Q: Are there any compliance or certification differences?

A: Both parts are ROHS3 compliant with identical moisture sensitivity levels (MSL 3, 168 Hours). No compliance degradation occurs with substitution.

Q: Does the substitute support the same PoE standards?

A: Yes. The substitute supports 802.3af and 802.3at (present in the main part) plus 802.3bt. No standard support is lost; forward compatibility is gained.

Q: What is the impact of the 48-channel architecture on a 4-channel design?

A: The substitute is designed for multi-port PSE applications. In a 4-channel system, 44 channels remain unused. Firmware configuration determines whether unused channels are disabled or require explicit masking. Consult Microchip technical documentation for channel configuration procedures.

Q: Are operating temperature ranges equivalent?

A: Yes. Both parts operate across -40°C ~ 85°C (TA), confirming thermal compatibility for equivalent environmental conditions.