Texas Instruments LM27222MX/NOPB
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- LM27222MX/NOPB
- Texas Instruments
- IC GATE DRVR HALF-BRIDGE 8SOIC
- PMIC - Gate Drivers
- LM27222MX/NOPB Datasheet
- 8-SOIC (0.154\", 3.90mm Width)
- Cut Tape (CT)
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Lead free / RoHS Compliant - 6084
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What is LM27222MX/NOPB
Texas Instruments Part Number LM27222MX/NOPB（PMIC - Gate Drivers）, developed and manufactured by Texas Instruments, 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.
LM27222MX/NOPB is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.
LM27222MX/NOPB Specifications
- Part NumberLM27222MX/NOPB
- CategoryPMIC - Gate Drivers
- ManufacturerTexas Instruments
- DescriptionIC GATE DRVR HALF-BRIDGE 8SOIC
- PackageCut Tape (CT)
- Series-
- Voltage - Supply4V ~ 6.85V
- Operating Temperature-40°C ~ 125°C (TJ)
- Mounting TypeSurface Mount
- Package / Case8-SOIC (0.154\", 3.90mm Width)
- Supplier Device Package8-SOIC
- Input TypeNon-Inverting
- Channel TypeSynchronous
- Rise / Fall Time (Typ)17ns, 12ns
- Driven ConfigurationHalf-Bridge
- Number of Drivers2
- Gate TypeN-Channel MOSFET
- Logic Voltage - VIL, VIH-
- Current - Peak Output (Source, Sink)3A, 4.5A
- High Side Voltage - Max (Bootstrap)33 V
Application of LM27222MX/NOPB
LM27222MX/NOPB Datasheet
LM27222MX/NOPB Datasheet , Cut Tape (CT),4V ~ 6.85V,-40°C ~ 125°C (TJ),Surface Mount,8-SOIC (0.154\", 3.90mm Width),8-SOIC,Non-Inverting,Synchronous,17ns, 12ns,Half-Bridge,2,N-Channel MOSFET,3A, 4.5A,33 V
LM27222MX/NOPB 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. Why is a gate driver needed?
The main reasons for the need for gate drivers include signal amplification, electrical isolation, and protection mechanisms.
Signal Amplification
The main function of the gate driver is to convert the low-voltage signal of the controller into a high-voltage drive signal, thereby achieving effective control of the power device. This signal amplification function ensures that the power device can be stably turned on and off, improving the efficiency and reliability of the system.
Electrical Isolation
In many applications, electrical isolation between the control circuit and the power semiconductor is very important to prevent voltage feedback or ground loop problems. Gate drivers usually use optocouplers or other isolation methods to maintain this isolation, ensuring that the control circuit is not affected by the power circuit, thereby improving the stability and safety of the system.
Protection Mechanism
Gate drivers also integrate a variety of protection functions, such as overcurrent, overvoltage protection, and short-circuit protection. These protection mechanisms can effectively prevent power device damage and improve the reliability and safety of the system.
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