HCPL-3150#300 Equivalent & Substitute Parts

Part Overview

The HCPL-3150#300 is a 3750Vrms optical isolation gate driver manufactured by Broadcom Limited, designed for single-channel high-voltage switching applications. This component provides galvanic isolation between control and power circuits with a 600mA peak output current capability. The part is currently in active production status with 684 units available in inventory.

Substitute parts are identified when equivalent functional performance can be achieved within the allowed electrical and mechanical parameter ranges for optical coupling gate drivers, particularly when the main part faces supply constraints or when alternative sourcing is required for project continuity.

Substiute Parts

HCPL-3150#300

Broadcom LimitedIn Stock: 779HCPL-3150#300 Datasheet

Current PartRFQ

FOD3180SD

Fairchild SemiconductorIn Stock: 30110FOD3180SD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL-3150#300 is determined by the following critical parameters:

• Isolation Voltage: Minimum 3750Vrms required; higher isolation ratings are acceptable
• Common Mode Transient Immunity: Minimum 15kV/µs; equal or superior performance acceptable
• Number of Channels: Must be 1 channel
• Technology: Optical coupling technology required
• Peak Output Current: Minimum 600mA; higher current capability acceptable
• Operating Temperature Range: Must encompass -40°C to 100°C
• Package Type: 8-SMD, Gull Wing form factor required for mechanical compatibility
• Product Status: Active production status preferred for long-term availability

The FOD3180SD from Fairchild Semiconductor meets these substitution criteria with enhanced electrical performance characteristics while maintaining mechanical and functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

The FOD3180SD qualifies as a direct substitute for the HCPL-3150#300 based on the following engineering criteria:

Electrical Performance: The FOD3180SD provides superior isolation voltage (5000Vrms vs. 3750Vrms), faster propagation delay (200ns vs. 500ns), lower pulse width distortion (65ns vs. 300ns), and higher peak output current (2.5A vs. 600mA). These enhancements ensure the substitute meets or exceeds all functional requirements of the original part.

Mechanical Compatibility: Both parts use identical 8-SMD Gull Wing packaging, ensuring direct PCB layout compatibility without redesign.

Compliance and Certifications: Both parts maintain active production status. The HCPL-3150#300 holds CSA and UR approvals; the FOD3180SD holds cUL and UL approvals. Both are RoHS non-compliant and carry EAR99 ECCN classification.

Output Supply Voltage Consideration: The FOD3180SD operates within 10V ~ 20V, while the HCPL-3150#300 operates within 15V ~ 30V. System designs using output supply voltages above 20V require verification that the FOD3180SD supply voltage range is compatible with the application.

Frequently Asked Questions (FAQ)

Q: Can the FOD3180SD replace the HCPL-3150#300 in existing designs?

A: Yes, the FOD3180SD is mechanically and functionally compatible. Both components use 8-SMD Gull Wing packaging and single-channel optical coupling architecture. The substitute provides superior electrical performance across all measured parameters. Verify that your system output supply voltage does not exceed 20V, as the FOD3180SD maximum supply voltage is 20V compared to the original part's 30V maximum.

Q: What are the key differences between these two parts?

A: The FOD3180SD provides higher isolation voltage (5000Vrms vs. 3750Vrms), faster signal propagation (200ns vs. 500ns), lower pulse width distortion (65ns vs. 300ns), and higher output current capability (2.5A vs. 600mA). The trade-off is a lower maximum output supply voltage (20V vs. 30V).

Q: Are there any thermal or reliability differences?

A: Both parts operate across the identical temperature range (-40°C to 100°C). No thermal or reliability data differences are provided in the component specifications.

Q: Which certifications apply to each part?

A: The HCPL-3150#300 holds CSA and UR approvals. The FOD3180SD holds cUL and UL approvals. Both parts carry EAR99 ECCN classification and are RoHS non-compliant.

Q: What is the inventory status for each part?

A: The HCPL-3150#300 has 684 units in stock. The FOD3180SD has 30,100 units in stock, providing significantly higher availability.