TC4432EPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip TC4432EPA is a 1.5 A inverting MOSFET gate driver with Schmitt trigger input, capable of driving large power MOSFETs with fast 25 ns rise and fall times from a 4.5 V to 18 V supply. Its 8-pin PDIP package is suitable for through-hole prototyping and motor-drive gate-drive stages.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC4432EPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TC4432EPA?
- 1.5 A peak source and sink current for fast MOSFET switching
- Schmitt trigger input with hysteresis for noise-immune logic interfacing
- Supply range 4.5 V to 18 V covering 5 V and 12 V power buses
- Inverting output configuration simplifies bootstrap gate-drive topologies
- 8-pin PDIP package for easy through-hole assembly and prototyping
- 25 ns typical rise and fall times at 1000 pF gate load
- High-side MOSFET drive capability
What is TC4432EPA used for?
TC4432EPA is commonly used in switch-mode power supply gate-drive stages, DC-DC converter designs, and motor-drive circuits where fast MOSFET switching from a 5 V or 12 V logic signal is required. It is also deployed in half-bridge and full-bridge inverter designs, industrial solenoid drivers, and relay driver circuits demanding robust 1.5 A peak gate current.
What are the specifications of TC4432EPA?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 8 |
| High Side Driver | YES |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Characteristics | TOTEM-POLE |
| Output Peak Current Limit-Nom | 3A |
| 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 | 6mA |
| Supply Voltage-Max | 30V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 30V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.16 µs |
| Turn-on Time | 0.18 µs |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
| Country of Origin | Thailand |
Where can I find the TC4432EPA datasheet?
TC4432EPA Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for TC4432EPA?
Compatible alternatives and drop-in replacements for TC4432EPA:
Frequently Asked Questions
How quickly can TC4432EPA switch a power MOSFET gate in a DC-DC converter application?
TC4432EPA achieves approximately 25 ns rise and fall times when driving a 1000 pF gate capacitance load, enabling switching frequencies above 500 kHz in typical DC-DC converter designs. The 1.5 A peak drive current ensures fast charging of larger MOSFET gates common in high-current converters.
What supply voltage range is supported, and does it cover 12 V industrial bus designs?
The device operates from 4.5 V to 18 V, fully covering 5 V logic-level and 12 V industrial gate-drive bus voltages. Designers can operate TC4432EPA directly from a 12 V rail, applying the full supply swing across the MOSFET gate for complete enhancement without a separate bias supply.
Why does the Schmitt trigger input benefit noisy motor-drive or inverter environments?
The Schmitt trigger input provides built-in hysteresis of typically 0.5 V, suppressing spurious switching from ringing or ground bounce present in high-current motor-drive PCBs. This reduces the need for external RC filter networks on the PWM input signal path, simplifying the gate-drive circuit.
Is TC4432EPA pin-compatible with TC4422 or TC4431 for drop-in substitution?
TC4432EPA (inverting) is complementary to TC4431EPA (non-inverting) and both share the same 8-pin PDIP package and pinout. Designers switching between inverting and non-inverting polarity in a 1.5 A gate-drive application can substitute one for the other without a PCB change, provided the PWM logic polarity is adjusted.
What gate capacitance can TC4432EPA drive in a half-bridge MOSFET stage at 100 kHz?
With 1.5 A peak output current, TC4432EPA can fully charge and discharge MOSFET gate capacitances up to approximately 10 nF within a 100 ns window, making it practical for driving medium-power MOSFETs with 5 nF to 8 nF gate charge at 100 kHz switching frequency.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.1700 | $4.17 |
| 25+ | $3.7900 | $94.75 |
| 50+ | $3.6300 | $181.50 |
| 120+ | $3.4500 | $414.00 |
| 180+ | $3.1800 | $572.40 |
| 240+ | $1.8300 | $439.20 |
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