TC427CPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
TC427CPA is a dual high-speed MOSFET gate driver with inverting and non-inverting outputs capable of sourcing and sinking 1.5 A peak in an 8-pin DIP package, designed for driving power switches in switching power supplies and motor drives.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC427CPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8329(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual MOSFET gate driver with 2 independent buffer/inverter-based output channels
- High-side driver capability for bridge and half-bridge switch topologies
- 1.5 A peak source and sink output current for fast MOSFET gate charging
- Standard input logic interface compatible with TTL and CMOS driving stages
- 8-pin PDIP-8 through-hole package for prototype and production assembly
- RoHS-compliant Pb-free construction (JESD-609 e3)
Applications
TC427CPA is used to drive power MOSFETs and IGBTs in DC-DC converters, synchronous buck regulators, and H-bridge motor controllers where fast gate switching is critical for efficiency. It is also applied in solenoid drivers, relay coil drivers, and isolation gate transformer drive circuits that require 1.5 A peak drive current from a compact through-hole device.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 20Weeks |
| YTEOL | 8 |
| High Side Driver | YES |
| Input Characteristics | STANDARD |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Peak Current Limit-Nom | 1.5A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Current-Max | 12mA |
| Supply Voltage-Max | 18V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 18V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.18 µs |
| Turn-on Time | 0.135 µs |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| 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 TC427CPA deliver and how does that affect MOSFET switching speed?
TC427CPA can source and sink up to 1.5 A peak output current, which rapidly charges and discharges MOSFET gate capacitance. A 10 nF gate charge capacitor driven at 1.5 A switches in approximately 7 ns, substantially reducing switching losses at frequencies above 100 kHz in DC-DC converter designs.
Does TC427CPA provide both inverting and non-inverting driver channels, and how are they used in a half-bridge?
Yes. TC427CPA has 2 independent output channels where one is a buffer (non-inverting) and the other is an inverter. In a half-bridge gate driver application, a single PWM signal can simultaneously drive the high-side and low-side MOSFETs with complementary on/off states by connecting to both channels, simplifying control logic.
What input logic levels does TC427CPA accept and is it compatible with 3.3 V microcontroller PWM outputs?
TC427CPA accepts standard logic input levels compatible with both TTL and CMOS signals. Although the device is designed for 5 V logic systems, it can accept 3.3 V PWM signals from a microcontroller if the input threshold is verified against the datasheet, typically requiring input high voltage above 2.4 V for reliable operation.
What lead time and sourcing risk should be anticipated for TC427CPA in production designs?
TC427CPA carries a factory lead time of approximately 20 weeks, which is considerably longer than most standard gate drivers. Production programs should plan for 5 to 6 months of safety stock or place blanket purchase orders well ahead of build start to prevent assembly line shortages.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.8000 | $1.80 |
| 4+ | $0.8576 | $3.43 |
| 8+ | $0.8452 | $6.76 |
| 16+ | $0.8329 | $13.33 |
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