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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| 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 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”