TLC7703IPW Equivalent & Substitute Parts

Part Overview

The TLC7703IPW is a single-channel power management supervisor IC manufactured by Texas Instruments, designed for reset and power-on reset applications. This device operates as a push-pull, totem pole output supervisor with a 2.63V threshold voltage and 1.1ms minimum reset timeout. The TLC7703IPW is currently in Last Time Buy status, indicating end-of-life production. Identifying qualified substitute components is essential for design continuity and long-term supply chain planning.

Substiute Parts

TLC7703IPW

Texas InstrumentsIn Stock: 833TLC7703IPW Datasheet

Current PartRFQ

TPS3760A012DYYR

Texas InstrumentsIn Stock: 5508TPS3760A012DYYR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC7703IPW is determined by the following critical parameters:

• Functional Category: Single-channel power management supervisor with reset/power-on reset capability
• Output Type: Push-pull or open drain/open collector configurations are functionally compatible in reset circuit applications
• Voltage Monitoring: Single-channel voltage monitoring capability
• Reset Logic: Active high or active low reset outputs are interchangeable with circuit design modification
• Operating Temperature: Extended temperature range (-40°C to 125°C) is compatible with standard range requirements
• Package Compatibility: Surface mount packages with equivalent pin counts and electrical characteristics
• Compliance: ROHS3 compliance and MSL Level 1 rating required

The TPS3760A012DYYR qualifies as a substitute based on matching functional requirements, single-channel voltage monitoring, compatible reset logic, and equivalent compliance certifications. Output configuration differences (push-pull versus open drain) require circuit-level evaluation but do not preclude substitution in typical reset supervisor applications.

Parameter Comparison

Engineering Selection Recommendations

The TPS3760A012DYYR is an active product with extended operating temperature range (-40°C to 125°C) compared to the TLC7703IPW. Both devices maintain ROHS3 compliance and MSL Level 1 ratings, ensuring equivalent environmental and regulatory qualification. The TPS3760A012DYYR's active product status provides superior long-term availability and supply chain stability relative to the Last Time Buy status of the TLC7703IPW.

Selection between these devices depends on application-specific requirements: voltage threshold accuracy, output drive capability, and reset timeout specifications must be evaluated against circuit design parameters. The TPS3760A012DYYR's open drain output and lower voltage threshold (0.8V versus 2.63V) require circuit-level compatibility assessment. Extended temperature operation of the TPS3760A012DYYR supports applications requiring higher thermal performance margins.

Frequently Asked Questions (FAQ)

Q: Can the TPS3760A012DYYR directly replace the TLC7703IPW without circuit modification?

A: Direct pin-for-pin replacement is not possible due to different package types (8-TSSOP versus SOT-23-14 Thin) and output configurations (push-pull versus open drain). Circuit redesign is required, including output stage reconfiguration and pull-up resistor implementation for open drain operation.

Q: What are the key differences in voltage threshold between these devices?

A: The TLC7703IPW monitors at 2.63V threshold, while the TPS3760A012DYYR monitors at 0.8V threshold. Application circuits must be designed to accommodate the specific threshold voltage of the selected device. Threshold selection depends on the power supply rail being monitored.

Q: Are both devices suitable for industrial temperature applications?

A: The TLC7703IPW operates from -40°C to 85°C. The TPS3760A012DYYR extends to -40°C to 125°C, providing broader thermal coverage. Selection depends on application temperature requirements and thermal design margins.

Q: What is the impact of different reset timeout specifications?

A: The TLC7703IPW provides 1.1ms minimum reset timeout, while the TPS3760A012DYYR specifies 100µs maximum. Reset timeout determines the duration the reset output remains asserted after voltage threshold detection. Application timing requirements must align with the selected device's timeout specification.

Q: Do both devices meet current compliance requirements?

A: Both the TLC7703IPW and TPS3760A012DYYR are ROHS3 compliant with MSL Level 1 ratings. Both are REACH unaffected and classified as EAR99 for export control purposes.