Microchip Technology TC427MJA
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- TC427MJA
- Microchip Technology
- IC GATE DRVR LOW-SIDE 8CERDIP
- PMIC - Gate Drivers
- TC427MJA Datasheet
- 8-CDIP (0.300\", 7.62mm)
- Tube
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Lead free / RoHS Compliant - 1233
- Spot Inventory / Athorized Dstributor / Factory Excess Stock
- 1 year quality assurance 》
- Click to get rates
What is TC427MJA
Microchip Technology Part Number TC427MJA（PMIC - Gate Drivers）, developed and manufactured by Microchip Technology, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
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TC427MJA Specifications
- Part NumberTC427MJA
- CategoryPMIC - Gate Drivers
- ManufacturerMicrochip Technology
- DescriptionIC GATE DRVR LOW-SIDE 8CERDIP
- PackageTube
- Series-
- Voltage - Supply4.5V ~ 18V
- Operating Temperature-55°C ~ 125°C (TA)
- Mounting TypeThrough Hole
- Package / Case8-CDIP (0.300\", 7.62mm)
- Supplier Device Package8-CERDIP
- Input TypeNon-Inverting
- Channel TypeIndependent
- Rise / Fall Time (Typ)30ns, 30ns
- Driven ConfigurationLow-Side
- Number of Drivers2
- Gate TypeN-Channel, P-Channel MOSFET
- Logic Voltage - VIL, VIH0.8V, 2.4V
- Current - Peak Output (Source, Sink)1.5A, 1.5A
- High Side Voltage - Max (Bootstrap)-
Application of TC427MJA
TC427MJA Datasheet
TC427MJA Datasheet , Tube,4.5V ~ 18V,-55°C ~ 125°C (TA),Through Hole,8-CDIP (0.300\", 7.62mm),8-CERDIP,Non-Inverting,Independent,30ns, 30ns,Low-Side,2,N-Channel, P-Channel MOSFET,0.8V, 2.4V,1.5A, 1.5A
TC427MJA Classification
PMIC - Gate Drivers
FAQ about PMIC - Gate Drivers
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1. How to choose a gate driver for a MOSFET?
When selecting a gate driver for a MOSFET, the following key factors need to be considered:
Current drive capability: The current drive capability of the gate driver directly affects the turn-on and turn-off speed of the MOSFET. Higher current sinking and sourcing capabilities mean faster turn-on and turn-off speeds, thereby reducing switching losses.
Fault detection function: The gate driver should have fault detection functions such as undervoltage lockout (UVLO), desaturation (DESAT) detection, etc. to ensure the safety and stable operation of the system.
Interference immunity: Common mode transient immunity (CMTI) is an important parameter to measure the anti-interference ability of the gate driver. In high-power systems, high CMTI values can better resist voltage transients and ensure stable operation of the system.
Electrical isolation: Electrically isolated gate drivers can achieve electrical isolation between control signals and power devices to ensure system safety. Optical coupling isolation and magnetic coupling isolation are common electrical isolation technologies, and the selection should be compared according to application requirements.
Switching frequency: For high-frequency switching applications, the switching frequency of the gate driver should match the switching frequency of the MOSFET to ensure efficient operation.
Transmission delay: Transmission delay and transmission delay matching are important parameters of electrical isolation drivers, which affect the response speed of the signal and the stability of the system. -
2. What is an active gate driver?
An active gate driver is a circuit that is mainly used to enhance the gate signal of a field effect transistor (MOSFET) or an insulated gate bipolar transistor (IGBT) so that the controller can better control the operation of these semiconductor switches. It controls the gate of MOSFET or IGBT by converting the signal output by the controller into high-voltage, high-current pulses, thereby improving the performance, reliability and service life of these devices.
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3. What are the different types of gate drivers?
There are mainly the following types of gate drivers:
High-frequency high-voltage gate driver: This driver can drive two N-channel MOSFETs, supports a power supply voltage of up to 100V, has strong driving capabilities, is suitable for MOSFETs with high gate capacitance, and can reduce switching losses. It also has features such as undervoltage lockout and adaptive shoot-through protection.
HL-type gate driver: The HL-type driver drives two N-channel MOSFETs in a half-bridge configuration and supports a power supply voltage of up to 140V. It has independent control outputs and strong anti-interference ability, and is suitable for application scenarios that require independent control of two MOSFETs. The HL type driver also has functions such as UVLO, TTL/CMOS compatible input, adjustable turn-on/off delay and shoot-through protection.
Pulse transformer drive: This driver does not require a separate drive voltage, and applies a high voltage to the gate through a pulse transformer, which is suitable for half-bridge or full-bridge circuits. It uses a capacitor and pulse transformer in series to increase the switching speed, and quickly resets the pulse transformer through a Zener diode.
Optocoupler and floating power supply drive: This driver uses an optocoupler to isolate the microcontroller and power transistor, and requires a separate floating power supply. The optocoupler output requires a separate power supply, which is suitable for high-side drive of half-bridge or full-bridge.
Push-pull circuit: The push-pull circuit is suitable for situations where the drive current is insufficient. It provides sufficient drive current by alternating between two transistors, which is suitable for application scenarios that require high drive current.
Half-bridge/full-bridge high-end drive: This driver applies a high voltage to the gate, which is suitable for half-bridge or full-bridge circuits. Since the source voltage of the high-end MOSFET changes, it needs to be powered independently and cannot share a ground with the low-end MOSFET.
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