사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Switch Type | USB Switch |
| Number of Outputs | 2 |
| Ratio - Input: Output | 1:2 |
| Output Configuration | High Side |
| Output Type | P-Channel |
| Interface | On/Off |
| Voltage - Load | 2.7V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 100mOhm |
| Input Type | Non-Inverting |
| Features | Status Flag |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
개요
Description
The LM3526MX-L is a dual-port USB power switch and over-current protection device designed for managing power delivery in USB applications. It offers two independent power distribution switches, each capable of driving up to 500 mA of current, making it suitable for USB host and hub applications. The device provides essential protection features, including current limiting and thermal shutdown, to safeguard against over-current and overheating conditions.
With built-in fault reporting mechanisms, the LM3526MX-L can signal fault conditions through a status pin, enabling system-level monitoring. Its low on-resistance ensures efficient power delivery with minimal voltage drop, optimizing power transfer. The device operates over a wide input voltage range and features a soft-start function to prevent inrush current, enhancing reliability and performance.
Packaged in a compact surface-mount configuration, the LM3526MX-L is suited for space-constrained designs. Its robust design and compliance with USB standards make it an ideal choice for ensuring safe and reliable power management in various consumer electronics and computing applications.
With built-in fault reporting mechanisms, the LM3526MX-L can signal fault conditions through a status pin, enabling system-level monitoring. Its low on-resistance ensures efficient power delivery with minimal voltage drop, optimizing power transfer. The device operates over a wide input voltage range and features a soft-start function to prevent inrush current, enhancing reliability and performance.
Packaged in a compact surface-mount configuration, the LM3526MX-L is suited for space-constrained designs. Its robust design and compliance with USB standards make it an ideal choice for ensuring safe and reliable power management in various consumer electronics and computing applications.
Equivalent
The LM3526MX-L is a dual port USB power switch and over-current protection device. Equivalent products may include:
1. TPS2042 by Texas Instruments
2. MIC2026 by Microchip Technology
3. MAX1693 by Maxim Integrated
4. AP2141 by Diodes Incorporated
Ensure compatibility by checking the datasheets for exact electrical specifications and pin configurations before substituting.
1. TPS2042 by Texas Instruments
2. MIC2026 by Microchip Technology
3. MAX1693 by Maxim Integrated
4. AP2141 by Diodes Incorporated
Ensure compatibility by checking the datasheets for exact electrical specifications and pin configurations before substituting.
Features
The LM3526MX-L is a power switch IC designed for USB applications, offering key features to enhance functionality and safety:
1. Dual Power Switches: It supports two independent power switches, allowing for versatile power management in USB ports.
2. Current Limiting: Provides protection against overcurrent conditions by limiting the current to a safe level, safeguarding connected devices.
3. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
4. Controlled Rise and Fall Times: Ensures smooth power transitions to minimize inrush current impact and signal integrity issues.
5. Fault Flag: Each switch has an independent fault flag for diagnostic feedback, indicating overcurrent, short circuit, or thermal shutdown conditions.
6. Low On-Resistance: Features low on-resistance to reduce power loss and improve efficiency.
7. Reverse Current Blocking: Prevents reverse current flow, protecting against power supply backflow.
8. Compact Package: Available in a small, space-saving package suitable for compact designs.
These features make the LM3526MX-L ideal for various applications requiring reliable power distribution and protection, particularly in USB hubs and port applications.
1. Dual Power Switches: It supports two independent power switches, allowing for versatile power management in USB ports.
2. Current Limiting: Provides protection against overcurrent conditions by limiting the current to a safe level, safeguarding connected devices.
3. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
4. Controlled Rise and Fall Times: Ensures smooth power transitions to minimize inrush current impact and signal integrity issues.
5. Fault Flag: Each switch has an independent fault flag for diagnostic feedback, indicating overcurrent, short circuit, or thermal shutdown conditions.
6. Low On-Resistance: Features low on-resistance to reduce power loss and improve efficiency.
7. Reverse Current Blocking: Prevents reverse current flow, protecting against power supply backflow.
8. Compact Package: Available in a small, space-saving package suitable for compact designs.
These features make the LM3526MX-L ideal for various applications requiring reliable power distribution and protection, particularly in USB hubs and port applications.
Pinout
The LM3526MX-L is a power management IC with a specific function related to power distribution and control. It is designed primarily for USB applications, providing over-current protection and power switching. The device typically comes in an 8-pin package.
Here is a brief overview of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground connection.
3. EN1: Enable input for switch 1. Active high input to control the first power switch.
4. EN2: Enable input for switch 2. Active high input to control the second power switch.
5. OC1: Over-current flag for switch 1. Active low output indicating over-current condition on switch 1.
6. OC2: Over-current flag for switch 2. Active low output indicating over-current condition on switch 2.
7. OUT1: Power output for switch 1.
8. OUT2: Power output for switch 2.
Please consult the specific datasheet for detailed electrical characteristics and application guidance.
Here is a brief overview of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground connection.
3. EN1: Enable input for switch 1. Active high input to control the first power switch.
4. EN2: Enable input for switch 2. Active high input to control the second power switch.
5. OC1: Over-current flag for switch 1. Active low output indicating over-current condition on switch 1.
6. OC2: Over-current flag for switch 2. Active low output indicating over-current condition on switch 2.
7. OUT1: Power output for switch 1.
8. OUT2: Power output for switch 2.
Please consult the specific datasheet for detailed electrical characteristics and application guidance.
Manufacturer
The LM3526MX-L is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. These components are crucial for various applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Founded in 1930 and based in Dallas, Texas, the company has a long history of innovation in the electronics industry. Texas Instruments is known for its significant contributions to the development of integrated circuits and microprocessors, playing a vital role in advancing technology across multiple sectors.
Application
The LM3526MX-L is a dual-port USB power switch and over-current protection device. Its primary application areas include USB hub power management, battery-powered equipment, and USB peripheral devices. It is used to control power distribution in USB systems, ensuring safe operation by providing over-current protection and short-circuit protection. This IC is commonly found in consumer electronics, computer peripherals, and portable devices where reliable power management and safety features are essential. Its ability to handle two USB ports makes it suitable for designs requiring multiple USB connections with enhanced power control and protection features.
Package
The LM3526MX-L is a dual-port USB power switch and over-current protection circuit from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is a compact surface-mount package type suitable for various electronic applications.
