MCP1402T-E/OT vs 2EDF7275KXUMA1: Gate Driver IC Comparison
Quick verdict
For simple low-side MOSFET or IGBT driving in compact, cost-sensitive designs with supply voltages up to 18V, the MCP1402T-E/OT offers adequate drive strength and minimal PCB area. In contrast, when driving half-bridge configurations with high gate charge MOSFETs requiring fast switching and robust peak currents up to 8A, the 2EDF7275KXUMA1 is the clear choice despite its larger footprint and higher supply voltage requirements.
Spec comparison table
| Spec | MCP1402T-E/OT | 2EDF7275KXUMA1 | Notes |
|---|---|---|---|
| Channel type | Single | Independent (2 drivers) | 2EDF7275KXUMA1 supports half-bridge applications with two independent drivers; MCP1402T-E/OT is single-channel only. |
| Peak output current (source) | 500 mA | 4 A | 2EDF7275KXUMA1 delivers 8x higher sourcing current, enabling faster gate charging and higher switching speeds. |
| Peak output current (sink) | 500 mA | 8 A | 2EDF7275KXUMA1 offers 16x higher sink current, critical for rapid turn-off and reducing switching losses. |
| Driven configuration | Low-Side | Half-Bridge | 2EDF7275KXUMA1 is designed for half-bridge topologies; MCP1402T-E/OT is limited to low-side driving. |
| Supported gate types | IGBT, MOSFET (N/P-Channel) | MOSFET (N/P-Channel) | MCP1402T-E/OT supports IGBTs, useful in some high-voltage applications; 2EDF7275KXUMA1 is MOSFET-only. |
| Input logic type | Non-Inverting | Non-Inverting | Both devices have non-inverting inputs; logic compatibility is similar. |
| Logic voltage thresholds (VIL/VIH) | 0.8 V / 2.4 V | - / 1.65 V | MCP1402T-E/OT has defined VIH of 2.4 V; 2EDF7275KXUMA1 VIH is 1.65 V, allowing potentially lower logic voltage operation. |
| Mounting type | Surface Mount | Surface Mount | Both are surface mount devices. |
| Number of drivers | 1 | 2 | 2EDF7275KXUMA1 integrates two drivers for half-bridge use; MCP1402T-E/OT is single driver. |
| Operating temperature range | -40°C to 150°C (TJ) | -40°C to 125°C (TA) | MCP1402T-E/OT supports higher junction temperatures, useful for harsher thermal environments. |
| Package case | SC-74A, SOT-753 (SOT-23-5) | 13-TFLGA | MCP1402T-E/OT is in a compact SOT-23-5; 2EDF7275KXUMA1 is larger PG-TFLGA-13-1, affecting PCB area and thermal dissipation. |
| Rise time (typical) | 19 ns | 6.5 ns | 2EDF7275KXUMA1 switches significantly faster, reducing switching losses but increasing EMI risk. |
| Fall time (typical) | 15 ns | 4.5 ns | Faster fall time on 2EDF7275KXUMA1 improves turn-off switching losses. |
| Supply voltage range | 4.5 V to 18 V | 20 V | MCP1402T-E/OT supports a wider and lower supply voltage range; 2EDF7275KXUMA1 requires 20 V nominal supply. |
Design trade-offs
The MCP1402T-E/OT’s peak output current of 500 mA (source and sink) fits low- and mid-power MOSFET or IGBT gate drive applications where gate charge is moderate and switching frequency is not extremely high. Its lower peak current limits how quickly it can charge and discharge large gate capacitors, which increases switching losses and potentially limits switching frequency. However, the compact SOT-23-5 footprint and wide operating temperature range (up to 150°C junction) make it suitable for dense, cost-sensitive designs with constrained PCB area or elevated ambient temperatures.
In contrast, the 2EDF7275KXUMA1 supports a half-bridge configuration with two independent drivers capable of sourcing 4 A and sinking 8 A peak currents. This enables very fast gate transitions even on MOSFETs with large gate charges, reducing switching losses and improving efficiency at high frequencies. The significantly faster rise/fall times (6.5 ns and 4.5 ns typical) help minimize transition losses but increase dV/dt-induced EMI, requiring careful layout and possibly snubbers or other filtering. The 13-pin TFLGA package is larger and demands more PCB area but provides better thermal dissipation, which is critical given the higher drive currents and power dissipation.
The 2EDF7275KXUMA1’s fixed 20 V supply rating means it is designed for gate voltages typical in automotive or industrial half-bridge drivers, whereas the MCP1402T-E/OT’s wider supply range (4.5 V–18 V) allows more flexibility in low-voltage systems. The MCP1402T-E/OT’s support for IGBTs also opens some use cases in medium-voltage power conversion where MOSFETs are less common.
In terms of thermal management, the MCP1402T-E/OT’s lower current drive reduces junction heating, easing heatsinking requirements and allowing operation at higher temperatures. The 2EDF7275KXUMA1, by contrast, will dissipate more power during switching transitions and requires careful thermal design, especially at high switching frequencies.
Cost at volume generally favors the MCP1402T-E/OT due to its simpler single-channel design and smaller package, making it a better fit for high-volume, cost-sensitive consumer or industrial appliances. The 2EDF7275KXUMA1 targets higher-performance industrial or automotive applications where its higher drive strength and half-bridge integration justify increased cost and board complexity.
Use-case fit
Choose MCP1402T-E/OT when…
- Driving a single low-side N-channel MOSFET or IGBT in DC-DC converters with moderate switching speeds (e.g., < 200 kHz).
- Space-constrained applications requiring a tiny SOT-23-5 package and minimal BOM complexity.
- Designs operating in harsh thermal environments up to 150°C junction temperature.
- Systems powered from 5 V or 12 V rails where gate voltages do not exceed 18 V.
- Cost is a primary concern and high peak gate currents are not required.
Choose 2EDF7275KXUMA1 when…
- Implementing a half-bridge topology with complementary high-current MOSFETs (e.g., synchronous buck converters or motor drives).
- Driving MOSFETs with large gate charge at high switching frequencies (> 300 kHz) where fast rise and fall times reduce switching losses.
- Applications requiring peak sink currents up to 8 A to rapidly discharge gate capacitance and minimize dead-time losses.
- Designs with 20 V gate drive voltage rails, common in automotive or industrial power stages.
- Thermal dissipation can be managed via PCB design or heatsinking, given the higher power dissipation of the device.
Drop-in compatibility
These two devices are not pin- or footprint-compatible. The MCP1402T-E/OT is a single-channel driver in a 5-pin SOT-23-5 package optimized for low-side drive, while the 2EDF7275KXUMA1 is a two-channel half-bridge driver in a 13-pin PG-TFLGA package. Substituting one for the other requires significant PCB redesign, including layout, power supply, and gate drive scheme changes. Input logic thresholds and supply voltage requirements also differ, so firmware or control logic may need adjustment.
Alternatives to consider
- MIC4452 (Microchip): High-current single-channel MOSFET driver with 9 A peak source/sink currents, suitable for high-speed single-channel applications.
- UCC37322 (Texas Instruments): Dual high-speed MOSFET driver with 9 A peak currents in an SOIC package, good for half-bridge driving with robust output.
- IR2110 (Infineon): Half-bridge driver IC with integrated high- and low-side drivers and bootstrap support, commonly used for motor control and inverter circuits.