TC1412EPA Equivalent & Substitute Parts

Part Overview

The TC1412EPA is a low-side gate driver IC manufactured by Microchip Technology, designed for driving N-Channel and P-Channel MOSFETs in power management applications. This inverting gate driver operates from a 4.5V to 16V supply and delivers 2A peak output current in both source and sink configurations. The device is housed in an 8-PDIP package and is actively produced with full RoHS3 compliance. Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters of this product category.

Substiute Parts

TC1412EPA

Microchip TechnologyIn Stock: 1019TC1412EPA Datasheet

Current PartRFQ

UC2705N

UnitrodeIn Stock: 2307UC2705N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC1412EPA is determined by the following critical parameters:

• Driven Configuration: Must be Low-Side
• Channel Type: Must be Single channel
• Number of Drivers: Must be 1
• Package / Case: Must be 8-DIP (0.300", 7.62mm)
• Mounting Type: Must be Through Hole
• Input Type: Must support Inverting operation
• Gate Type: Must support N-Channel MOSFET operation at minimum

The UC2705N qualifies as a substitute based on matching driven configuration, channel type, number of drivers, package format, and mounting type. Both devices operate as single-channel, low-side gate drivers in identical 8-PDIP packages with through-hole mounting.

Parameter Comparison

Engineering Selection Recommendations

Both the TC1412EPA and UC2705N are active products with established supply chains. The TC1412EPA offers superior electrical performance characteristics including higher peak output current (2A versus 1.5A), faster switching times (18ns versus 60ns), and an extended operating temperature range (-40°C to 150°C versus -25°C to 85°C). The TC1412EPA also supports both N-Channel and P-Channel MOSFET gate driving, whereas the UC2705N is limited to N-Channel operation.

The UC2705N provides a wider supply voltage range (5V to 40V versus 4.5V to 16V) and dual input type capability (Inverting and Non-Inverting). Selection between these devices depends on application-specific requirements for output current, switching speed, temperature range, and gate type compatibility. Both devices maintain identical package footprints and through-hole mounting compatibility, enabling direct PCB layout substitution.

Frequently Asked Questions (FAQ)

Q: Can the UC2705N directly replace the TC1412EPA in all applications?

A: Direct replacement is possible only when application requirements do not exceed the UC2705N's electrical limitations. The UC2705N delivers 1.5A peak output current compared to the TC1412EPA's 2A, and exhibits slower switching times (60ns versus 18ns). Applications requiring the full 2A output current or faster switching performance must use the TC1412EPA. Additionally, the UC2705N supports only N-Channel MOSFET driving, whereas the TC1412EPA supports both N-Channel and P-Channel configurations.

Q: Are the packages physically identical?

A: Yes. Both devices use the 8-DIP (0.300", 7.62mm) package with through-hole mounting. PCB layouts designed for the TC1412EPA can accommodate the UC2705N without modification to the footprint or mounting holes.

Q: What are the temperature operating range differences?

A: The TC1412EPA operates from -40°C to 150°C (junction temperature), while the UC2705N operates from -25°C to 85°C (ambient temperature). Applications requiring operation below -25°C or above 85°C ambient must use the TC1412EPA.

Q: Does the UC2705N's wider supply voltage range make it universally preferable?

A: The UC2705N's 5V to 40V supply range is broader than the TC1412EPA's 4.5V to 16V range. However, this advantage applies only to applications requiring supply voltages above 16V or below 4.5V. For applications within the 4.5V to 16V window, both devices are compatible with the supply design.

Q: What is the significance of input type differences?

A: The TC1412EPA provides inverting input only, while the UC2705N offers both inverting and non-inverting input options. This difference affects signal conditioning requirements in the application circuit but does not prevent substitution when only inverting operation is needed.