TLP358(D4,F) Equivalent & Substitute Parts

Part Overview

The TLP358(D4,F) is a 3.75kVrms optical isolation gate driver manufactured by Toshiba Semiconductor and Storage. This component integrates a 1-channel gate driver with optical coupling technology, designed for high-voltage switching applications requiring galvanic isolation. The device features 6A peak output current capability and operates across a -40°C to 100°C temperature range in an 8-DIP through-hole package.

The TLP358(D4,F) is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

TLP358(D4,F)

Toshiba Semiconductor and StorageIn Stock: 904TLP358(D4,F) Datasheet

Current PartRFQ

TLP5754(D4,E

Toshiba Semiconductor and StorageIn Stock: 738TLP5754(D4,E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLP358(D4,F) is evaluated based on the following critical parameters that define functional equivalence in gate driver optical coupling applications:

Isolation Technology & Voltage: Both the main part and substitute must employ optical coupling technology. The substitute TLP5754(D4,E) provides 5000Vrms isolation, which exceeds the 3750Vrms requirement of the TLP358(D4,F), ensuring compatibility in isolation-critical applications.

Channel Configuration: Single-channel operation is maintained across both parts, preserving the functional architecture of the original design.

Output Supply Voltage Range: Both components operate within the 15V ~ 30V output supply range, ensuring direct compatibility with existing power delivery networks.

Common Mode Transient Immunity: The substitute part delivers 35kV/µs, which exceeds the 20kV/µs minimum of the original part, providing enhanced performance in high-speed switching environments.

Output Current Capability: The TLP358(D4,F) provides 6A peak output current, while the TLP5754(D4,E) provides 4A peak output current. This represents a reduction in peak current capacity and requires circuit-level evaluation to confirm suitability for the target application.

Temperature Operating Range: The substitute extends the upper operating limit to 110°C compared to the original 100°C, providing broader thermal operating margins.

Mounting and Packaging: The substitute transitions from through-hole 8-DIP to surface-mount 6-SOIC packaging, requiring PCB redesign and assembly process modifications.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The TLP358(D4,F) is classified as obsolete, while the TLP5754(D4,E) maintains active product status with ongoing manufacturer support and availability. Selection of the TLP5754(D4,E) ensures access to current manufacturing processes, quality assurance protocols, and long-term supply chain stability.

Regulatory Compliance: Both components carry CSA, cUL, UL, and VDE certifications, meeting primary industrial safety and regulatory requirements. The TLP5754(D4,E) additionally carries CQC certification and is RoHS compliant, aligning with current environmental and regulatory standards.

Isolation Performance: The TLP5754(D4,E) provides enhanced isolation voltage (5000Vrms versus 3750Vrms) and superior common mode transient immunity (35kV/µs versus 20kV/µs), delivering improved performance margins in high-voltage switching applications.

Timing Characteristics: The TLP5754(D4,E) demonstrates significantly faster propagation delay (150ns versus 500ns) and reduced pulse width distortion (50ns versus 250ns), enabling operation in higher-frequency switching environments.

Output Current Limitation: The TLP5754(D4,E) provides reduced peak output current (4A versus 6A). Applications requiring the full 6A output capability of the TLP358(D4,F) must evaluate whether the 4A specification of the substitute part satisfies load requirements.

Packaging and Assembly: Transition from through-hole 8-DIP to surface-mount 6-SOIC packaging requires PCB layout modification and assembly process changes. This substitution is suitable only for new designs or redesign initiatives.

Frequently Asked Questions (FAQ)

Q: Can the TLP5754(D4,E) directly replace the TLP358(D4,F) without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to different package types (8-DIP through-hole versus 6-SOIC surface-mount). PCB redesign is required. Additionally, the reduced peak output current (4A versus 6A) must be evaluated against application load requirements.

Q: What is the primary reason for substituting the TLP358(D4,F)?

A: The TLP358(D4,F) is classified as obsolete. The TLP5754(D4,E) is an active product with ongoing manufacturer support, ensuring supply chain continuity and access to current manufacturing quality standards.

Q: Does the TLP5754(D4,E) provide equivalent isolation performance?

A: The TLP5754(D4,E) exceeds the isolation specification of the TLP358(D4,F), providing 5000Vrms isolation compared to 3750Vrms. Common mode transient immunity is also enhanced at 35kV/µs versus 20kV/µs.

Q: Are there regulatory compliance differences between these parts?

A: Both components carry CSA, cUL, UL, and VDE certifications. The TLP5754(D4,E) additionally carries CQC certification and is RoHS compliant, meeting current environmental standards.

Q: What is the impact of the reduced output current specification?

A: The TLP5754(D4,E) provides 4A peak output current compared to 6A for the TLP358(D4,F). Applications must verify that gate driver load requirements do not exceed 4A to ensure proper operation.

Q: How do the timing characteristics compare?

A: The TLP5754(D4,E) provides faster propagation delay (150ns versus 500ns) and lower pulse width distortion (50ns versus 250ns), enabling operation at higher switching frequencies with improved timing precision.

Q: What packaging considerations apply to this substitution?

A: The TLP358(D4,F) uses through-hole 8-DIP packaging suitable for breadboarding and manual assembly. The TLP5754(D4,E) uses surface-mount 6-SOIC packaging, requiring automated assembly equipment and PCB redesign with appropriate land patterns and solder reflow processes.

Q: Is the operating temperature range adequate for the application?

A: The TLP5754(D4,E) extends the upper operating temperature limit to 110°C compared to 100°C for the TLP358(D4,F), providing broader thermal operating margins. Both maintain the -40°C lower limit.