Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| DrivenConfiguration | Half-Bridge |
| ChannelType | Independent |
| NumberofDrivers | 2 |
| GateType | N-Channel MOSFET |
| Voltage-Supply | 8V ~ 14V |
| LogicVoltage-VILVIH | 0.8V, 2.2V |
| Current-PeakOutput(SourceSink) | 1A, 1A |
| InputType | Non-Inverting |
| HighSideVoltage-Max(Bootstrap) | 108 V |
| Rise/FallTime(Typ) | 15ns, 15ns |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Обзор
Description
The LM5109AMAX is a high-performance, high-voltage gate driver designed for use in applications requiring efficient power management. It is part of Texas Instruments' series of half-bridge drivers optimized for driving N-channel MOSFETs in a half-bridge configuration. The device is known for its fast switching speed, robust design, and capability to handle high-voltage operations up to 100 V, making it suitable for a range of applications including motor drives, power supplies, and DC-DC converters.
Key features of the LM5109AMAX include a floating high-side driver, adaptive dead-time control, and protection features such as under-voltage lockout (UVLO) and shoot-through protection. The gate driver is packaged in a compact 8-pin package, facilitating easy integration into existing designs while minimizing board space. Its ability to drive large capacitive loads with minimal delay ensures efficient operation and improved performance in demanding environments.
Overall, the LM5109AMAX is valued for its reliability, efficiency, and versatility in power management applications, providing effective solutions for engineers seeking high-performance gate driving capabilities.
Key features of the LM5109AMAX include a floating high-side driver, adaptive dead-time control, and protection features such as under-voltage lockout (UVLO) and shoot-through protection. The gate driver is packaged in a compact 8-pin package, facilitating easy integration into existing designs while minimizing board space. Its ability to drive large capacitive loads with minimal delay ensures efficient operation and improved performance in demanding environments.
Overall, the LM5109AMAX is valued for its reliability, efficiency, and versatility in power management applications, providing effective solutions for engineers seeking high-performance gate driving capabilities.
Equivalent
The LM5109AMAX is a high-voltage gate driver IC. Equivalent products include:
1. IR2110or IR2113 by Infineon Technologies
2. FAN7390 by ON Semiconductor
3. MIC4420 by Microchip Technology
4. UCC27201A by Texas Instruments
5. ADuM3223 by Analog Devices
Ensure compatibility by comparing specifications such as voltage rating, current capacity, and package type before selecting a replacement.
1. IR2110or IR2113 by Infineon Technologies
2. FAN7390 by ON Semiconductor
3. MIC4420 by Microchip Technology
4. UCC27201A by Texas Instruments
5. ADuM3223 by Analog Devices
Ensure compatibility by comparing specifications such as voltage rating, current capacity, and package type before selecting a replacement.
Features
The LM5109AMAX is a high-voltage gate driver designed by Texas Instruments for driving N-channel MOSFETs in a half-bridge configuration. Key features include:
1. High Voltage Capability: It can handle up to 100V, making it suitable for a wide range of power management applications.
2. Bootstrap Operation: Integrated bootstrap diode facilitates high-side operation and reduces the need for external components.
3. Low Propagation Delay: Offers fast switching speeds with a typical propagation delay of about 30ns, enhancing the efficiency of power conversion.
4. Undervoltage Lockout (UVLO): Protects MOSFETs from operating in low voltage conditions, ensuring reliable performance.
5. Complementary Outputs: Provides high-side and low-side outputs that are capable of sourcing and sinking current with a 1A peak current capability.
6. Thermal Performance: Operates effectively over a wide temperature range, ensuring stability in various environments.
7. Protection Features: Includes features like cross-conduction prevention to avoid shoot-through in half-bridge configurations.
These features make the LM5109AMAX ideal for applications in motor drives, power supplies, and DC-DC converters.
1. High Voltage Capability: It can handle up to 100V, making it suitable for a wide range of power management applications.
2. Bootstrap Operation: Integrated bootstrap diode facilitates high-side operation and reduces the need for external components.
3. Low Propagation Delay: Offers fast switching speeds with a typical propagation delay of about 30ns, enhancing the efficiency of power conversion.
4. Undervoltage Lockout (UVLO): Protects MOSFETs from operating in low voltage conditions, ensuring reliable performance.
5. Complementary Outputs: Provides high-side and low-side outputs that are capable of sourcing and sinking current with a 1A peak current capability.
6. Thermal Performance: Operates effectively over a wide temperature range, ensuring stability in various environments.
7. Protection Features: Includes features like cross-conduction prevention to avoid shoot-through in half-bridge configurations.
These features make the LM5109AMAX ideal for applications in motor drives, power supplies, and DC-DC converters.
Pinout
The LM5109AMAX is a high-voltage gate driver from Texas Instruments, primarily used for driving N-channel MOSFETs in a half-bridge configuration. It typically features a 10-pin package. Here is a brief overview of its pin functions:
1. HB: High-side floating supply voltage.
2. HO: High-side gate drive output.
3. HS: High-side source, connected to the high-side MOSFET source.
4. HI: High-side input.
5. VSS: Ground.
6. LI: Low-side input.
7. LO: Low-side gate drive output.
8. VDD: Supply input voltage.
9. NC: No connection (might not be present in all packaging).
10. DT: Dead time programming pin (used to set dead time between high- and low-side MOSFETs switching to prevent shoot-through).
This driver is typically used in power management applications, including motor drives and DC-DC converters, due to its ability to efficiently manage high-frequency switching and high-power devices.
1. HB: High-side floating supply voltage.
2. HO: High-side gate drive output.
3. HS: High-side source, connected to the high-side MOSFET source.
4. HI: High-side input.
5. VSS: Ground.
6. LI: Low-side input.
7. LO: Low-side gate drive output.
8. VDD: Supply input voltage.
9. NC: No connection (might not be present in all packaging).
10. DT: Dead time programming pin (used to set dead time between high- and low-side MOSFETs switching to prevent shoot-through).
This driver is typically used in power management applications, including motor drives and DC-DC converters, due to its ability to efficiently manage high-frequency switching and high-power devices.
Manufacturer
The LM5109AMAX is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is well-known for producing a wide range of electronic components, including microcontrollers, analog circuits, and digital signal processors, primarily catering to the electronics industry. Texas Instruments is headquartered in Dallas, Texas, and is regarded as one of the largest semiconductor companies globally, with a strong focus on innovation and engineering excellence.
Application
The LM5109AMAX is a high-voltage gate driver integrated circuit designed for use in various applications that require efficient and reliable power management. Key application areas include half-bridge and full-bridge converters, synchronous rectification, motor drive control, and DC-DC converters. It is commonly used in power supply systems for industrial applications, renewable energy systems, automotive electronics, and telecommunications equipment. The LM5109AMAX is particularly well-suited for driving MOSFETs and IGBTs in high-frequency and high-power applications, offering fast switching speeds, robust noise immunity, and protection features like undervoltage lockout.
Package
The LM5109AMAX is a half-bridge gate driver IC from Texas Instruments, and it is available in a SOIC (Small Outline Integrated Circuit) 8-pin package.