仕様
| 属性 | 値 |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Type | Overvoltage Protection Controller |
| Applications | Cell Phones, Digital Cameras, Media Players |
| MountingType | Surface Mount |
| Package/Case | 6-WFDFN |
概要
Description
The MAX4845ELT+TG075 is an advanced overvoltage protection device designed to safeguard electronic circuits from voltage surges. Manufactured by Maxim Integrated, this IC is particularly suited for applications requiring robust protection against overvoltage conditions, such as portable electronics and industrial equipment. It operates efficiently by disconnecting the protected circuitry when an overvoltage is detected, thus preventing potential damage.
Key features of the MAX4845ELT+TG075 include low on-resistance to ensure minimal power loss and fast response time to quickly react to overvoltage conditions. The device is also equipped with an integrated charge pump, allowing it to control external N-channel MOSFETs. This capability enhances its flexibility in managing various load conditions. The MAX4845ELT+TG075 is available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the MAX4845ELT+TG075 provides a reliable solution for protecting circuits against voltage spikes, ensuring longevity and reliability in various electronic applications.
Key features of the MAX4845ELT+TG075 include low on-resistance to ensure minimal power loss and fast response time to quickly react to overvoltage conditions. The device is also equipped with an integrated charge pump, allowing it to control external N-channel MOSFETs. This capability enhances its flexibility in managing various load conditions. The MAX4845ELT+TG075 is available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the MAX4845ELT+TG075 provides a reliable solution for protecting circuits against voltage spikes, ensuring longevity and reliability in various electronic applications.
Equivalent
The MAX4845ELT+TG075 is a power switch with over-current protection. Equivalent products include the TPS2041B from Texas Instruments, the AP2141 from Diodes Incorporated, and the MIC2005 from Microchip Technology. Ensure compatibility in terms of pin configuration, voltage, current ratings, and protection features when considering substitutes. Always verify with the datasheets for specific applications.
Features
The MAX4845ELT+TG075 is a specialized protection IC designed for safeguarding audio amplifiers and other sensitive components from overcurrent conditions. Key features include:
1. Overcurrent Protection: It provides an integrated solution to prevent damage due to overcurrent events by limiting the current through a controlled mechanism.
2. Automatic Retry: The IC has an automatic retry feature that attempts to re-enable the load after an overcurrent condition, reducing the need for manual resets.
3. Low On-Resistance: With low on-resistance, it ensures minimal voltage drop across the device, maintaining system efficiency.
4. Wide Operating Voltage Range: It supports a broad range of operating voltages, making it versatile for various applications.
5. Compact Package: The device comes in a compact, space-saving package, suitable for mobile and portable devices.
6. Thermal Shutdown: It includes thermal shutdown protection to prevent damage from overheating.
These features make the MAX4845ELT+TG075 a reliable choice for protecting audio systems and other circuits requiring robust overcurrent protection.
1. Overcurrent Protection: It provides an integrated solution to prevent damage due to overcurrent events by limiting the current through a controlled mechanism.
2. Automatic Retry: The IC has an automatic retry feature that attempts to re-enable the load after an overcurrent condition, reducing the need for manual resets.
3. Low On-Resistance: With low on-resistance, it ensures minimal voltage drop across the device, maintaining system efficiency.
4. Wide Operating Voltage Range: It supports a broad range of operating voltages, making it versatile for various applications.
5. Compact Package: The device comes in a compact, space-saving package, suitable for mobile and portable devices.
6. Thermal Shutdown: It includes thermal shutdown protection to prevent damage from overheating.
These features make the MAX4845ELT+TG075 a reliable choice for protecting audio systems and other circuits requiring robust overcurrent protection.
Pinout
The MAX4845ELT+TG075 is a protection IC primarily used for overvoltage protection in USB applications. It comes in an 8-pin TDFN (Thin Dual Flat No-leads) package. Here are its pin functions:
1. IN: Input voltage pin.
2. GND: Ground pin.
3. OVLO: Overvoltage Lockout Set Input.
4. OUT: Output voltage pin.
5. EN/EN: Active-low/active-high enable pin.
6. FLAG: Fault indicator output pin; it signals the occurrence of a fault condition.
7. CBYP: Bypass capacitor pin; used to set the transient response.
8. N.C.: No connection pin; not connected internally.
The device protects downstream circuitry from overvoltage conditions by disconnecting the input when the voltage exceeds a preset threshold, making it suitable for USB port protection in consumer electronics.
1. IN: Input voltage pin.
2. GND: Ground pin.
3. OVLO: Overvoltage Lockout Set Input.
4. OUT: Output voltage pin.
5. EN/EN: Active-low/active-high enable pin.
6. FLAG: Fault indicator output pin; it signals the occurrence of a fault condition.
7. CBYP: Bypass capacitor pin; used to set the transient response.
8. N.C.: No connection pin; not connected internally.
The device protects downstream circuitry from overvoltage conditions by disconnecting the input when the voltage exceeds a preset threshold, making it suitable for USB port protection in consumer electronics.
Manufacturer
The MAX4845ELT+TG075 is manufactured by Maxim Integrated, which is a part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. The company specializes in a wide range of semiconductor products used in consumer electronics, industrial applications, communications, and computing. Analog Devices, the parent company, is a major player in the semiconductor industry and focuses on developing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.
Application
The MAX4845ELT+TG075 is a dual SPST (Single-Pole Single-Throw) analog switch with overvoltage protection. Its application areas include:
1. Consumer Electronics: Protecting audio and data ports in devices like smartphones and tablets.
2. Industrial Systems: Safeguarding sensor inputs and communication interfaces from voltage spikes.
3. Computing: Ensuring safe operation of peripheral connectors and expansion slots in computers.
4. Portable Devices: Protecting battery chargers and power lines from overvoltage conditions.
5. Automotive Electronics: Safeguarding infotainment and control systems from electrical transients.
6. Communication Systems: Protecting interface ports in routers and modems.
These applications leverage the device's capabilities to handle voltage fluctuations and provide reliable switching functionality.
1. Consumer Electronics: Protecting audio and data ports in devices like smartphones and tablets.
2. Industrial Systems: Safeguarding sensor inputs and communication interfaces from voltage spikes.
3. Computing: Ensuring safe operation of peripheral connectors and expansion slots in computers.
4. Portable Devices: Protecting battery chargers and power lines from overvoltage conditions.
5. Automotive Electronics: Safeguarding infotainment and control systems from electrical transients.
6. Communication Systems: Protecting interface ports in routers and modems.
These applications leverage the device's capabilities to handle voltage fluctuations and provide reliable switching functionality.
Package
The MAX4845ELT+TG075 is packaged as a 6-pin Thin SOT23 (Small Outline Transistor) package. This packaging is compact, suitable for space-constrained applications, and supports surface-mount technology.
