사양
| 속성 | 가치 |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Type | Overvoltage Protection Controller |
| Applications | Cell Phones, Digital Cameras, Media Players |
| MountingType | Surface Mount |
| Package/Case | 6-UFLGA |
개요
Description
The MAX4845EYT+T is a dual-channel overvoltage protection device designed by Maxim Integrated. It is designed to protect sensitive electronic components from overvoltage conditions, which can occur due to faulty connections or power surges. The device operates with a supply voltage range from 2.2V to 5.5V and can withstand overvoltage events up to 28V.
Key features of the MAX4845EYT+T include fast overvoltage response time, low on-resistance for minimal signal loss, and integrated thermal shutdown for additional protection. It also has reverse-battery protection, adding a layer of safety for battery-powered applications. The device is typically used in consumer electronics, mobile devices, and other applications where robust voltage protection is essential.
The MAX4845EYT+T comes in a small, lead-free TDFN package, making it suitable for space-constrained applications. Its efficient design helps designers to safeguard circuits without compromising on performance or board space.
Key features of the MAX4845EYT+T include fast overvoltage response time, low on-resistance for minimal signal loss, and integrated thermal shutdown for additional protection. It also has reverse-battery protection, adding a layer of safety for battery-powered applications. The device is typically used in consumer electronics, mobile devices, and other applications where robust voltage protection is essential.
The MAX4845EYT+T comes in a small, lead-free TDFN package, making it suitable for space-constrained applications. Its efficient design helps designers to safeguard circuits without compromising on performance or board space.
Equivalent
The MAX4845EYT+T is a Li-ion battery protector IC. Equivalent products might include:
1. TI BQ29700 series
2. Seiko Instruments S-8200 series
3. NXP Semiconductors NX20P5090
4. Fairchild Semiconductor FDC6327C
These alternatives offer similar functionalities such as overcharge, overdischarge, and overcurrent protection for lithium-ion batteries. Always check specific features and pin compatibility when choosing a replacement.
1. TI BQ29700 series
2. Seiko Instruments S-8200 series
3. NXP Semiconductors NX20P5090
4. Fairchild Semiconductor FDC6327C
These alternatives offer similar functionalities such as overcharge, overdischarge, and overcurrent protection for lithium-ion batteries. Always check specific features and pin compatibility when choosing a replacement.
Features
The MAX4845EYT+T is a protection IC designed for safeguarding SIM cards in mobile devices. Key features include:
1. Overvoltage Protection: It ensures the SIM card is safe from overvoltage conditions by disconnecting it from the power source when voltages exceed thresholds.
2. Current Limiting: The device protects against excessive current draw, which could potentially harm the SIM card.
3. Low Ron Switches: It incorporates low on-resistance switches, which offer minimal voltage drop and efficient power usage.
4. Undervoltage Lockout: This feature prevents the IC from operating under insufficient voltage conditions, thus ensuring stable operation.
5. Thermal Shutdown: To prevent damage from overheating, it includes thermal shutdown, disabling the output when temperatures exceed a set threshold.
6. ESD Protection: It features robust ESD protection, safeguarding the SIM card and circuitry from electrostatic discharge.
7. Small Package: The device is available in a compact TQFN package, making it suitable for space-constrained applications in mobile devices.
These features make the MAX4845EYT+T a reliable choice for SIM card protection in modern telecommunications equipment.
1. Overvoltage Protection: It ensures the SIM card is safe from overvoltage conditions by disconnecting it from the power source when voltages exceed thresholds.
2. Current Limiting: The device protects against excessive current draw, which could potentially harm the SIM card.
3. Low Ron Switches: It incorporates low on-resistance switches, which offer minimal voltage drop and efficient power usage.
4. Undervoltage Lockout: This feature prevents the IC from operating under insufficient voltage conditions, thus ensuring stable operation.
5. Thermal Shutdown: To prevent damage from overheating, it includes thermal shutdown, disabling the output when temperatures exceed a set threshold.
6. ESD Protection: It features robust ESD protection, safeguarding the SIM card and circuitry from electrostatic discharge.
7. Small Package: The device is available in a compact TQFN package, making it suitable for space-constrained applications in mobile devices.
These features make the MAX4845EYT+T a reliable choice for SIM card protection in modern telecommunications equipment.
Pinout
The MAX4845EYT+T is a 28-pin TQFN (Thin Quad Flat No-Lead) package. It is an overvoltage protector designed to protect low-voltage systems against high-voltage faults. The device monitors the input voltage and disconnects the load when the input exceeds a preset overvoltage threshold. It is commonly used in applications such as laptops, notebooks, and other portable devices, offering features like reverse-current blocking and thermal shutdown protection to enhance system reliability. The MAX4845EYT+T typically operates in systems where protecting the downstream components from overvoltage conditions is critical.
Manufacturer
The MAX4845EYT+T is manufactured by Analog Devices, Inc. Analog Devices is a leading semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in various electronic equipment. The company provides solutions for a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Their products are essential for converting real-world phenomena, such as sound, light, temperature, motion, and pressure, into an electrical signal that can be processed, interpreted, and acted upon.
Application
The MAX4845EYT+T is used in applications requiring efficient power management and protection for analog and digital audio systems. It is commonly found in portable devices such as smartphones, tablets, and laptops, where it helps manage power to audio components, ensuring minimal power consumption and protecting against electrical faults. Additionally, it can be used in docking stations and audio peripherals that interface with portable electronics, providing reliable switching and protection for audio signals. Its features make it suitable for applications requiring over-voltage protection, load switching, and interfacing between different audio formats.
Package
The MAX4845EYT+T is a part of the MAX4845 series by Maxim Integrated. It is typically packaged in a 12-pin TDFN (Thin Dual Flat No-Lead) package.
