TLC7705IP Equivalent & Substitute Parts

Part Overview

The TLC7705IP is a power management integrated circuit (PMIC) functioning as a supervisor with push-pull, totem pole output configuration. Designed for single-channel voltage monitoring applications, this through-hole 8-DIP component provides active high/active low reset functionality with a 1.1ms minimum reset timeout. The device is classified as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term product availability for applications requiring supervisor functionality.

Substiute Parts

TLC7705IP

Texas InstrumentsIn Stock: 1553TLC7705IP Datasheet

Current PartRFQ

TPS3760A012DYYR

Texas InstrumentsIn Stock: 5508TPS3760A012DYYR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC7705IP is determined by the following critical parameters:

• Functional Category: Single-channel voltage supervisor with reset output
• Output Type: Push-pull, totem pole configuration for direct logic-level signaling
• Voltage Monitoring: Single threshold monitoring at 4.55V
• Reset Behavior: Active high/active low reset capability with 1.1ms minimum timeout
• Mounting and Package: Through-hole 8-DIP form factor for PCB integration
• Compliance: ROHS3 compliance and EAR99 classification

The TPS3760A012DYYR is identified as a manufacturer-recommended substitute. While this part maintains functional equivalence in supervisor operation and single-channel voltage monitoring, it introduces differences in output configuration (open drain/open collector versus push-pull), package form factor (surface mount SOT-23-14 versus through-hole 8-DIP), and operating temperature range. These differences require circuit-level evaluation for compatibility.

Parameter Comparison

Engineering Selection Recommendations

Selection between TLC7705IP and TPS3760A012DYYR must account for the following factors:

TLC7705IP Retention: Appropriate for existing designs where through-hole mounting, push-pull output, and 4.55V threshold are circuit requirements. Last Time Buy status requires immediate procurement planning for long-term supply assurance.

TPS3760A012DYYR Substitution: Suitable for new designs or redesigns where surface-mount technology is acceptable. Active product status ensures ongoing availability. The open drain/open collector output requires pull-up resistor implementation in the circuit. The 0.8V threshold and 100µs maximum reset timeout represent significant functional differences requiring circuit validation. Extended operating temperature range (-40°C to 125°C) provides broader thermal performance.

Both parts maintain ROHS3 compliance and EAR99 classification, satisfying regulatory requirements. Substitution feasibility depends on circuit topology, output loading requirements, and thermal operating conditions specific to the application.

Frequently Asked Questions (FAQ)

Q: Can TPS3760A012DYYR directly replace TLC7705IP in existing PCB designs?

A: Direct replacement is not possible due to package incompatibility. TLC7705IP uses through-hole 8-DIP mounting, while TPS3760A012DYYR uses surface-mount SOT-23-14 packaging. PCB redesign is required for physical integration.

Q: What are the output configuration differences between these parts?

A: TLC7705IP provides push-pull, totem pole output, delivering active drive capability in both high and low states. TPS3760A012DYYR uses open drain/open collector output, requiring external pull-up resistor implementation for proper logic-level signaling.

Q: How do voltage thresholds differ between these supervisors?

A: TLC7705IP monitors at 4.55V threshold. TPS3760A012DYYR monitors at 0.8V threshold. These represent different voltage monitoring applications and are not interchangeable without circuit redesign.

Q: What is the significance of reset timeout differences?

A: TLC7705IP specifies 1.1ms minimum reset timeout, establishing minimum reset pulse duration. TPS3760A012DYYR specifies 100µs maximum reset timeout, indicating maximum reset assertion time. These parameters affect system initialization timing and must be validated against application requirements.

Q: Does the extended temperature range of TPS3760A012DYYR provide advantages?

A: TPS3760A012DYYR operates from -40°C to 125°C (junction temperature), compared to TLC7705IP at -40°C to 85°C (ambient temperature). Extended range is beneficial for high-temperature applications but does not compensate for functional parameter differences.

Q: Are both parts compliant with current regulatory standards?

A: Both TLC7705IP and TPS3760A012DYYR are ROHS3 compliant and classified as EAR99, meeting current regulatory requirements for electronic component distribution and use.