사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 65V |
| Frequency-Switching | Up to 1MHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) Exposed Pad |
개요
Description
The LM5122ZPWPR is a high-performance, dual-phase synchronous boost controller designed by Texas Instruments. It is optimized for applications requiring high power boost conversion, capable of efficiently managing power delivery in systems with demanding energy requirements. The device supports a wide input voltage range, making it versatile for various applications, including automotive, industrial, and telecom equipment.
Key features of the LM5122ZPWPR include dual-phase operation, which helps distribute current across multiple phases, reducing stress on individual components and improving thermal performance. The controller integrates features such as current mode control, phase interleaving, and programmable frequency, enhancing its adaptability and efficiency.
Additionally, the LM5122ZPWPR offers robust protection mechanisms, including cycle-by-cycle current limiting, over-voltage protection, and thermal shutdown, ensuring reliability under challenging conditions. It also supports programmable soft-start, aiding in smooth power-up sequences.
Overall, the LM5122ZPWPR is suitable for high-power boost applications requiring efficient energy conversion, robust performance, and flexibility in design.
Key features of the LM5122ZPWPR include dual-phase operation, which helps distribute current across multiple phases, reducing stress on individual components and improving thermal performance. The controller integrates features such as current mode control, phase interleaving, and programmable frequency, enhancing its adaptability and efficiency.
Additionally, the LM5122ZPWPR offers robust protection mechanisms, including cycle-by-cycle current limiting, over-voltage protection, and thermal shutdown, ensuring reliability under challenging conditions. It also supports programmable soft-start, aiding in smooth power-up sequences.
Overall, the LM5122ZPWPR is suitable for high-power boost applications requiring efficient energy conversion, robust performance, and flexibility in design.
Equivalent
The LM5122ZPWPR is a synchronous boost controller from Texas Instruments. Equivalent products from other manufacturers include:
1. LTC3787 from Analog Devices
2. MAX15024 from Maxim Integrated (now part of Analog Devices)
3. TPS43060 from Texas Instruments
These alternatives provide similar features for applications requiring high-efficiency boost conversion with synchronous rectification. Always verify the specific requirements like voltage ratings, current capabilities, and package types when selecting an equivalent.
1. LTC3787 from Analog Devices
2. MAX15024 from Maxim Integrated (now part of Analog Devices)
3. TPS43060 from Texas Instruments
These alternatives provide similar features for applications requiring high-efficiency boost conversion with synchronous rectification. Always verify the specific requirements like voltage ratings, current capabilities, and package types when selecting an equivalent.
Features
The LM5122ZPWPR is a high-performance synchronous boost controller designed for automotive and industrial applications. Key features include:
1. Wide Input Voltage Range: It supports 3 V to 65 V, making it versatile for various power supply designs.
2. High Efficiency: Achieves high efficiency through synchronous rectification and low RDS(on) MOSFETs.
3. Adjustable Frequency: Offers a programmable switching frequency from 50 kHz to 1 MHz, allowing optimization for size and efficiency.
4. Integrated Gate Drivers: Features high-side and low-side gate drivers for external MOSFETs, enhancing system efficiency and power handling.
5. Current Mode Control: Utilizes peak current mode control for improved transient response and ease of loop compensation.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and hiccup mode for overcurrent protection.
7. Soft-Start Capability: Programmable soft-start to manage inrush current.
8. Synchronization: Provides the ability to synchronize with an external clock for multi-phase operation.
These features make the LM5122ZPWPR suitable for boosting applications in power supplies requiring high efficiency and robust protection mechanisms.
1. Wide Input Voltage Range: It supports 3 V to 65 V, making it versatile for various power supply designs.
2. High Efficiency: Achieves high efficiency through synchronous rectification and low RDS(on) MOSFETs.
3. Adjustable Frequency: Offers a programmable switching frequency from 50 kHz to 1 MHz, allowing optimization for size and efficiency.
4. Integrated Gate Drivers: Features high-side and low-side gate drivers for external MOSFETs, enhancing system efficiency and power handling.
5. Current Mode Control: Utilizes peak current mode control for improved transient response and ease of loop compensation.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and hiccup mode for overcurrent protection.
7. Soft-Start Capability: Programmable soft-start to manage inrush current.
8. Synchronization: Provides the ability to synchronize with an external clock for multi-phase operation.
These features make the LM5122ZPWPR suitable for boosting applications in power supplies requiring high efficiency and robust protection mechanisms.
Pinout
The LM5122ZPWPR is a synchronous boost controller from Texas Instruments. It is designed for applications that require a high step-up voltage conversion. The device is available in a 20-pin HTSSOP (PWP) package.
Key functions of the LM5122ZPWPR include:
- High efficiency synchronous boost operation.
- Wide input voltage range and high output voltage capability.
- Programmable switching frequency.
- Cycle-by-cycle current limit protection.
- Programmable soft-start and adjustable output voltage features.
For more specific information about each pin and detailed functionality, refer to the manufacturer's datasheet.
Key functions of the LM5122ZPWPR include:
- High efficiency synchronous boost operation.
- Wide input voltage range and high output voltage capability.
- Programmable switching frequency.
- Cycle-by-cycle current limit protection.
- Programmable soft-start and adjustable output voltage features.
For more specific information about each pin and detailed functionality, refer to the manufacturer's datasheet.
Manufacturer
The LM5122ZPWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top ten semiconductor companies worldwide, based on sales volume. TI is known for its development of analog chips and embedded processors, among other electronic components. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is a key player in the electronics sector, providing critical technology that enables the development of a vast array of products across various markets.
Application
The LM5122ZPWPR is a synchronous boost controller commonly used in applications requiring efficient voltage step-up. Key application areas include:
1. Automotive Systems: Powering infotainment and advanced driver-assistance systems (ADAS).
2. Telecommunications: Boosting DC voltages for network equipment.
3. Industrial Power Supplies: Used in systems requiring high-efficiency DC-DC conversion.
4. Energy Storage Systems: Management of battery packs and renewable energy applications.
5. LED Lighting: Providing high-efficiency power conversion for LED drivers.
6. Consumer Electronics: Powering devices that require higher voltage levels from lower voltage sources.
These applications benefit from the LM5122ZPWPR's high efficiency, reliability, and ability to handle high power levels.
1. Automotive Systems: Powering infotainment and advanced driver-assistance systems (ADAS).
2. Telecommunications: Boosting DC voltages for network equipment.
3. Industrial Power Supplies: Used in systems requiring high-efficiency DC-DC conversion.
4. Energy Storage Systems: Management of battery packs and renewable energy applications.
5. LED Lighting: Providing high-efficiency power conversion for LED drivers.
6. Consumer Electronics: Powering devices that require higher voltage levels from lower voltage sources.
These applications benefit from the LM5122ZPWPR's high efficiency, reliability, and ability to handle high power levels.
Package
The LM5122ZPWPR is a buck controller IC from Texas Instruments, and it is typically available in a TSSOP (Thin Shrink Small Outline Package) with 24 pins. The specific package designation "PWPR" indicates it comes in a TSSOP package with a specific tape-and-reel format for automated assembly.
