MCP14A0305T-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP14A0305T-E/SN is a dual half-bridge MOSFET gate driver with 3 A peak output current and Schmitt trigger inputs in an 8-pin SOIC package. It features totem-pole output stages and high-side driver capability, enabling high-speed switching of power MOSFETs in motor drives, DC-DC converters, and synchronous rectifiers.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP14A0305T-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7820(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3 A peak gate drive current enabling fast switching of large power MOSFETs with low switching losses
- Dual half-bridge configuration with high-side driver support for full H-bridge motor control
- Schmitt trigger inputs providing noise immunity in high-dV/dt switching environments
- Totem-pole output stage minimizing dead time and improving efficiency in synchronous rectifier designs
Applications
The MCP14A0305T-E/SN drives power MOSFETs in synchronous buck DC-DC converters, motor half-bridge controllers, and high-frequency inverter stages requiring fast, high-current gate drive. Its 3 A peak current and Schmitt trigger inputs allow reliable switching at hundreds of kilohertz while rejecting noise glitches on control signal lines. The dual-channel architecture in a compact 8-pin SOIC is well-suited for space-constrained power stages in industrial drives and power supply modules.
Specifications
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| High Side Driver | YES |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | HALF BRIDGE BASED MOSFET DRIVER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Characteristics | TOTEM-POLE |
| Output Peak Current Limit-Nom | 3A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | TS 16949 |
| Supply Current-Max | 1.1mA |
| Supply Voltage-Max | 18V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 18V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.05 µs |
| Turn-on Time | 0.046 µs |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak gate drive current does the MCP14A0305T-E/SN deliver, and how does it reduce MOSFET switching losses?
The MCP14A0305T-E/SN provides 3 A peak gate drive current, rapidly charging and discharging the gate capacitance of large power MOSFETs to minimize transition time through the linear region. Shorter switching transitions reduce overlap losses, improving efficiency in switching converters operating at 100 kHz to 500 kHz.
How does the Schmitt trigger input of the MCP14A0305T-E/SN improve reliability in noisy high-dV/dt power switching environments?
The MCP14A0305T-E/SN's Schmitt trigger input adds hysteresis to the logic threshold, preventing false triggering from fast voltage transients and ground bounce on the PCB during high-dV/dt switching events. This input conditioning maintains clean 3 A gate drive pulses even when the control signal is disturbed by tens of millivolts of noise from the power stage.
For a synchronous buck converter, how does the dual half-bridge architecture of MCP14A0305T-E/SN simplify the design?
The MCP14A0305T-E/SN integrates two independent gate drive channels in a single 8-pin SOIC, eliminating the need for two separate single-channel drivers and reducing BOM count. Each channel delivers 3 A peak current independently, allowing one IC to drive both the high-side and low-side MOSFETs of a synchronous buck stage at switching frequencies up to several hundred kilohertz.
What supply voltage range does the MCP14A0305T-E/SN support, and how does that map to common power MOSFET gate voltage requirements?
The MCP14A0305T-E/SN operates from a supply compatible with standard 10 V to 12 V gate drive rails commonly used for power MOSFETs requiring Vgs between 10 V and 15 V for full enhancement. Driving the gate to 10 V to 12 V ensures most logic-level and standard-threshold MOSFETs achieve rated Rds(on), while the 3 A drive capability handles gate charge values of 20 nC to 100 nC within nanoseconds.
When should a designer choose MCP14A0305T-E/SN over integrating gate drive within a PWM controller IC?
Designers choose MCP14A0305T-E/SN when the PWM controller's internal gate driver is limited to 1 A or less, insufficient to drive large MOSFETs with gate charge above 20 nC at high switching frequencies. The external 3 A driver stage allows using larger, lower-Rds(on) power MOSFETs without incurring excessive switching losses, improving efficiency in converters delivering 10 A or more output current.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.8800 | $88.00 |
| 1000+ | $0.8600 | $860.00 |
| 2475+ | $0.7980 | $1975.05 |
| 3300+ | $0.7820 | $2580.60 |
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