TLP701HF(D4MBSTP,F Equivalent & Substitute Parts

Part Overview

The TLP701HF(D4MBSTP,F is a 2-channel optical coupling gate driver manufactured by Toshiba Semiconductor and Storage. This component provides 5000Vrms isolation with 600mA peak output current capability, designed for high-voltage gate driving applications requiring galvanic isolation. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

TLP701HF(D4MBSTP,F

Toshiba Semiconductor and StorageIn Stock: 1166TLP701HF(D4MBSTP,F Datasheet

Current PartRFQ

TLP5771H(D4TP4,E

Toshiba Semiconductor and StorageIn Stock: 2339TLP5771H(D4TP4,E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLP701HF(D4MBSTP,F requires evaluation based on the following critical parameters:

Isolation Voltage: Both the main part and substitute must maintain 5000Vrms isolation rating to preserve system safety margins and regulatory compliance.

Channel Configuration: The main part provides 2 channels. Substitutes with reduced channel count (1 channel) are applicable only when system architecture permits independent gate driver implementation or when dual-channel functionality is not required.

Output Current Capability: The main part delivers 600mA peak output current. Substitutes with equal or greater output current capacity (1A) are directly compatible. Substitutes with lower output current are not suitable.

Propagation Delay and Timing: The main part specifies 700ns maximum propagation delay. Substitutes with equal or faster timing characteristics maintain system performance. Faster substitutes do not introduce compatibility issues.

Common Mode Transient Immunity: The main part specifies 20kV/µs minimum. Substitutes with equal or superior CMTI performance are acceptable.

Operating Temperature Range: Both parts operate across -40°C to 125°C, ensuring thermal compatibility.

Output Supply Voltage: Both parts accept 10V to 30V supply, ensuring power compatibility.

Mounting and Package: Surface mount technology with 6-pin SOIC packages ensures mechanical compatibility with existing PCB layouts.

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration - Product Status: The TLP701HF(D4MBSTP,F is classified as obsolete. The TLP5771H(D4TP4,E is actively manufactured by Toshiba, ensuring long-term availability and supply chain continuity.

Isolation and Safety Compliance: Both parts maintain 5000Vrms isolation rating and hold equivalent regulatory certifications (CSA, cUL, UL, VDE). The substitute adds CQC certification, expanding compliance scope.

Channel Architecture: The main part provides 2 channels; the substitute provides 1 channel. System designs requiring dual independent gate drivers must implement two TLP5771H devices in parallel or select alternative dual-channel solutions. Single-channel applications can directly substitute one TLP5771H for each channel of the original design.

Performance Characteristics: The TLP5771H demonstrates superior electrical performance across all timing parameters: propagation delay is 4.67 times faster (150ns vs. 700ns), pulse width distortion is 10 times lower (50ns vs. 500ns), and common mode transient immunity is 1.75 times higher (35kV/µs vs. 20kV/µs). These improvements do not introduce compatibility issues and enhance system performance margins.

Output Current Capability: The TLP5771H provides 1A peak output current, exceeding the original 600mA specification. This increased capability accommodates higher gate charge requirements without derating.

Input Current Requirements: The TLP5771H requires lower DC forward current (8mA maximum vs. 25mA), reducing input LED drive requirements and improving input circuit efficiency.

Package Considerations: Both parts use 6-SOIC surface mount packages. The substitute has a slightly larger width (7.50mm vs. 6.80mm). PCB layout verification is required to confirm footprint compatibility. Pin-to-pin compatibility is maintained.

Inventory and Supply: The TLP5771H has 2281 pieces in stock (active production), compared to 1092 pieces of the obsolete TLP701HF. Long-term availability is assured for the substitute.

Frequently Asked Questions (FAQ)

Q: Can the TLP5771H(D4TP4,E directly replace the TLP701HF(D4MBSTP,F in existing designs?

A: Direct replacement requires system-level evaluation. The TLP5771H is a single-channel device, while the original is dual-channel. If your application uses both channels independently, implement two TLP5771H devices. If only one channel is used, direct substitution is possible with PCB layout verification for the slightly larger package width (7.50mm vs. 6.80mm).

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

A: The TLP5771H provides superior performance: 4.67 times faster propagation delay (150ns vs. 700ns), 10 times lower pulse width distortion (50ns vs. 500ns), 1.75 times higher common mode transient immunity (35kV/µs vs. 20kV/µs), and 67% higher peak output current (1A vs. 600mA). All differences favor the substitute without introducing compatibility issues.

Q: Are regulatory certifications equivalent?

A: Both parts hold CSA, cUL, UL, and VDE certifications. The TLP5771H adds CQC certification. Regulatory compliance is maintained or enhanced with the substitute.

Q: What is the impact of the lower DC forward current requirement?

A: The TLP5771H requires maximum 8mA input current versus 25mA for the original. This reduces input LED drive circuit power dissipation and simplifies input signal conditioning. No compatibility issues arise; input circuits designed for 25mA operation remain functional at 8mA.

Q: How does the package width difference affect PCB layout?

A: The TLP5771H package width is 7.50mm compared to 6.80mm for the original. Verify that PCB footprints accommodate the 0.70mm width increase. Pin spacing and pitch remain identical. Mechanical clearance review is required before implementation.

Q: Is the TLP5771H suitable for applications requiring dual-channel isolation?

A: The TLP5771H is single-channel. Dual-channel isolation requires either two TLP5771H devices in separate packages or selection of an alternative dual-channel optical coupler. System architecture must accommodate this configuration change.

Q: What is the supply chain status for each part?

A: The TLP701HF is obsolete with limited remaining inventory (1092 pieces). The TLP5771H is actively manufactured with higher inventory levels (2281 pieces). For new designs and long-term support, the TLP5771H is the recommended choice.

Q: Are there any thermal or operating condition differences?

A: Both parts operate across -40°C to 125°C and accept 10V to 30V output supply voltage. Operating conditions are identical. No thermal derating adjustments are required.