
Allicdata Part #: | TC4431EJA-ND |
Manufacturer Part#: |
TC4431EJA |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC MOSFET DRIVER 30V 1.5A 8-CDIP |
More Detail: | High-Side or Low-Side Gate Driver IC Inverting 8-C... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Logic Voltage - VIL, VIH: | 0.8V, 2.4V |
Base Part Number: | TC4431 |
Supplier Device Package: | 8-CERDIP |
Package / Case: | 8-CDIP (0.300", 7.62mm) |
Mounting Type: | Through Hole |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Rise / Fall Time (Typ): | 25ns, 33ns |
Input Type: | Inverting |
Current - Peak Output (Source, Sink): | 1.5A, 1.5A |
Series: | -- |
Voltage - Supply: | 4.5 V ~ 30 V |
Gate Type: | N-Channel, P-Channel MOSFET |
Number of Drivers: | 1 |
Channel Type: | Single |
Driven Configuration: | High-Side or Low-Side |
Part Status: | Obsolete |
Packaging: | Tube |
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The TC4431EJA is a power management integrated circuit (PMIC) employed as a gate driver in order to give power to particular electronic components. Essential to its operation is its chip-scale package, which is designed to reduce radiations on the signal, and its wide range of adjustable features, including a low saturation voltage and an adjustable turn-on/turn-off speed. With its copious attributes, the TC4431EJA is becoming more and more popular with applications in LED lighting and automotive electronics, though it is also used in various other industries.
Overview
As a Gate Driver, the TC4431EJA is employed for energy management in applications where low-noise, low-saturation, tiny losses, and low-power are of high importance. This can include power applications for energy-efficient LED lighting in various machines including automotive electronics and medical equipment, among many others and, in millions of households. When used in these applications it can enhance operability while providing increased efficiency and prolonged results.
Design and Construction
The TC4431EJA is designed with a high-impedance to ensure electronic noise doesn\'t affect the design. The package design minimises radiated signal, and high current-gain levels offer improved performance compared to standard PMICs.The chip-scale package is constructed with a low-profile, 25-pin package which improves capacitance and thermal stability in various applications. It includes a current-limiting resistor, chopping transistor, over-temperature protection, and a hysteresis comparator, while still being immune to stress. Responding to demands, the TC4431EJA also provides the customer with enhanced over-current and over-voltage protection.
Uniqueness
The TC4431EJA also incorporates self-bias capability, meaning it can provide a stable operating output voltage. This allows the PMIC to adjust to varying input voltages, eliminating the need for an additional boost element. The self-starting features maximise its start-up capabilities and permit the power-sequencing outputs to be triggered autonomously, increasing device protection and reliability.
Additionally, this PMIC showcases active low-side current tailing, with adjustable low-side turn-off time. This provides accurate control and optimisation of the power resolution for each dedicated system component without imposing any energy losses. The TC4431EJA is also able to provide a wide range of switching frequencies due to its integrated switching transistors.
Working Principle
The TC4431EJA works mainly in two stages. The first stage is the ON/OFF process. This starts when the microcontroller fed by the power supply gives its control signals to the microcontroller. Simultaneously, the entire circuitry of the PMIC is initiated. A start-up circuit supplies the current tailing signals and its main order is to start the oscillators and linear regulator. In the second stage, the oscillation of the module will automate the whole process and the Tail Currents circuit will manage the outputs. The power transistors will adjust the amount of supply current based on the output of the oscillator.This enables it to monitor any changes that occur during the application design and maintain the correct parameters of the entire system.
Conclusion
The TC4431EJA is a very capable PMIC for gate driver applications, including LED applications and various automotive electronics. It provides the user with a chip-scale package to minimise radiated noise, adjustable turn-on/turn-off time and a low saturation voltage. This PMIC also offers self-bias capability, active low-side current tailing, and adjustable low-side turn-off time, ensuring accuracy and reliable performance. This, and its flexibility, make it an optimal solution for many power applications.
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