TLC7705IPG4 Equivalent & Substitute Parts

Part Overview

The TLC7705IPG4 is a single-channel power management supervisor IC manufactured by Texas Instruments, designed for reset and power-on reset applications. This device features push-pull totem pole output configuration with a 4.55V voltage threshold and 1.1ms minimum reset timeout. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity.

Substiute Parts

TLC7705IPG4

Texas InstrumentsIn Stock: 805TLC7705IPG4 Datasheet

Current PartRFQ

TPS3760A012DYYR

Texas InstrumentsIn Stock: 5508TPS3760A012DYYR Datasheet

MFR RecommendedRFQ

TLC7705IP

Texas InstrumentsIn Stock: 1553TLC7705IP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TLC7705IPG4 is determined by the following critical parameters:

• Functional Type: Single-channel supervisor with reset/power-on reset capability
• Voltage Monitoring: 1 channel with threshold compatibility
• Output Stage: Push-pull totem pole configuration (primary requirement for direct replacement)
• Reset Behavior: Active High/Active Low capability
• Package Compatibility: Through-hole 8-DIP form factor (for PCB layout compatibility)
• Compliance: ROHS3 compliance and REACH unaffected status

The TPS3760A012DYYR represents a functional alternative with different output configuration (open drain) and package type (surface mount SOT-23-14), suitable for designs where output stage and mounting method can be adapted. The TLC7705IP provides direct functional equivalence with identical output configuration and package type, differing only in product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

TLC7705IP is the preferred substitute for direct replacement applications. This part maintains identical output configuration (push-pull totem pole), voltage threshold (4.55V), reset timeout (1.1ms minimum), and package form factor (8-DIP through-hole). The primary distinction is product status (Last Time Buy versus Discontinued), making it suitable for designs requiring no circuit modifications. ROHS3 compliance and REACH unaffected status are maintained.

TPS3760A012DYYR is applicable for designs where circuit topology can accommodate output stage reconfiguration and surface-mount assembly is feasible. This part offers extended operating temperature range (-40°C ~ 125°C) and active product status. However, substitution requires circuit redesign due to open drain output configuration, different voltage threshold (0.8V), reduced reset timeout (100µs maximum), and different package type (SOT-23-14 surface mount). This option is suitable for new designs or redesigns where these parameter differences align with system requirements.

Frequently Asked Questions (FAQ)

Q: Can TLC7705IP be used as a direct drop-in replacement for TLC7705IPG4?

A: Yes. TLC7705IP provides functional equivalence with identical output configuration, voltage threshold, reset timeout, and 8-DIP package. No circuit modifications are required. The difference in packaging format (Tube versus original packaging) does not affect electrical performance.

Q: What are the key differences between TLC7705IPG4 and TPS3760A012DYYR?

A: The primary differences are output configuration (push-pull totem pole versus open drain), voltage threshold (4.55V versus 0.8V), reset timeout (1.1ms minimum versus 100µs maximum), mounting type (through-hole versus surface mount), and package type (8-DIP versus SOT-23-14). These differences require circuit redesign for substitution.

Q: Is TPS3760A012DYYR suitable for existing PCB designs using TLC7705IPG4?

A: No. The different package type (SOT-23-14 surface mount versus 8-DIP through-hole) and output configuration (open drain versus push-pull totem pole) require PCB redesign and circuit topology modifications. This part is suitable for new designs only.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. Both TLC7705IP and TPS3760A012DYYR are ROHS3 compliant and REACH unaffected, matching the compliance status of TLC7705IPG4.

Q: What is the impact of different voltage thresholds on substitution?

A: Voltage threshold determines the supply voltage level at which the supervisor triggers reset output. TLC7705IPG4 and TLC7705IP both monitor 4.55V, making them directly interchangeable. TPS3760A012DYYR monitors 0.8V, requiring circuit redesign and different application context.

Q: Does operating temperature range affect substitution decisions?

A: Operating temperature range affects suitability for specific environmental conditions. TLC7705IPG4 and TLC7705IP operate -40°C ~ 85°C. TPS3760A012DYYR extends to -40°C ~ 125°C, providing advantage in high-temperature applications but requiring circuit redesign due to other parameter differences.