TLC7703IP Equivalent & Substitute Parts

Part Overview

The TLC7703IP 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 voltage threshold and 1.1ms minimum reset timeout. The TLC7703IP is classified as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications requiring supervisor functionality.

Substiute Parts

TLC7703IP

Texas InstrumentsIn Stock: 5306TLC7703IP Datasheet

Current PartRFQ

TPS3760A012DYYR

Texas InstrumentsIn Stock: 5508TPS3760A012DYYR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC7703IP is determined by the following critical parameters:

• Functional Category: Single-channel power management supervisor with reset/power-on reset capability
• Voltage Monitoring: Single voltage threshold monitoring
• Output Configuration: Push-pull or open drain/open collector output types are functionally compatible for reset signal generation
• Reset Logic: Active high or active low reset configurations
• Compliance: ROHS3 compliance and EAR99 ECCN classification
• Manufacturer: Texas Instruments maintains product line continuity

The TPS3760A012DYYR qualifies as a manufacturer-recommended substitute based on equivalent functional classification, single-channel monitoring capability, compatible reset logic, and identical compliance certifications. Output topology differences (push-pull versus open drain) do not preclude substitution when circuit design accommodates the alternative output configuration.

Parameter Comparison

Engineering Selection Recommendations

The TPS3760A012DYYR is the manufacturer-recommended substitute for the TLC7703IP. Selection of this substitute is supported by the following factors:

• Product Status: TPS3760A012DYYR maintains Active status, ensuring continued availability and supply chain stability compared to the Last Time Buy status of TLC7703IP
• Compliance Alignment: Both devices maintain ROHS3 compliance and EAR99 ECCN classification, satisfying regulatory requirements
• Functional Equivalence: Both devices provide single-channel voltage monitoring and reset/power-on reset functionality within the Power Management (PMIC) category
• Temperature Range Extension: TPS3760A012DYYR supports -40°C ~ 125°C operating range, exceeding the TLC7703IP specification of -40°C ~ 85°C
• Manufacturing Continuity: Both devices are manufactured by Texas Instruments, maintaining design support and technical documentation consistency

Design modifications are required to accommodate differences in output topology (push-pull to open drain), reset polarity options, voltage threshold (2.63V to 0.8V), and package form factor (8-DIP through-hole to SOT-23-14 surface mount).

Frequently Asked Questions (FAQ)

Q: Can the TPS3760A012DYYR directly replace the TLC7703IP without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to package differences (8-DIP through-hole versus SOT-23-14 surface mount) and output topology differences (push-pull versus open drain). Circuit redesign is required to accommodate these changes.

Q: What is the significance of the voltage threshold difference between 2.63V and 0.8V?

A: The voltage threshold determines the supply voltage level at which the supervisor triggers a reset signal. The TLC7703IP monitors 2.63V supplies, while the TPS3760A012DYYR monitors 0.8V supplies. Application voltage requirements must align with the selected device threshold.

Q: Are both devices suitable for the same operating temperature range?

A: The TPS3760A012DYYR supports a wider operating temperature range (-40°C ~ 125°C) compared to the TLC7703IP (-40°C ~ 85°C). Applications requiring extended temperature operation benefit from the TPS3760A012DYYR specification.

Q: What packaging considerations apply when transitioning from TLC7703IP to TPS3760A012DYYR?

A: The TLC7703IP uses through-hole 8-DIP packaging suitable for breadboard and conventional PCB assembly. The TPS3760A012DYYR uses surface-mount SOT-23-14 packaging, requiring surface-mount assembly processes and PCB layout modifications.

Q: How do the reset timeout specifications compare?

A: The TLC7703IP specifies 1.1ms minimum reset timeout, while the TPS3760A012DYYR specifies 100µs maximum reset timeout. These represent different timing characteristics; application reset timing requirements must be evaluated against both specifications.

Q: Is the TPS3760A012DYYR the only available substitute?

A: The TPS3760A012DYYR is identified as the manufacturer-recommended substitute. The TPS3760E012DYYR is listed as an alternative within the TPS3760 product family.