MAX846AEEE

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MAX846AEEE

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IC BATT CHARGER SYSTEM

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Description

The MAX846AEEE is a high-efficiency, step-up DC-DC converter designed by Maxim Integrated (now part of Analog Devices). It is commonly used in battery-powered applications due to its ability to convert low input voltages to a stable higher output voltage. This device is especially suitable for portable electronics, such as smartphones and handheld devices, as it supports a broad range of input voltages and provides a high output current capability.
Key features of the MAX846AEEE include a high switching frequency, typically around 650kHz, which allows for the use of smaller external components, reducing overall circuit size. It also offers low quiescent current, extending battery life in portable applications. The device incorporates over-current and over-temperature protection, ensuring reliability and durability.
Additionally, the MAX846AEEE supports a programmable output voltage, giving designers flexibility in tailoring the voltage output to specific application needs. Its compact 16-pin QSOP package makes it suitable for space-constrained applications, offering a practical solution for efficient power conversion in modern electronic designs.

Equivalent

The MAX846AEEE is a step-up DC-DC converter from Maxim Integrated. Equivalent products may include:
1. LT1615 from Analog Devices: A similar micropower step-up DC-DC converter.
2. TPS61040 from Texas Instruments: A boost converter with comparable specifications.
3. NCP1400 from ON Semiconductor: Also a step-up DC-DC converter with similar features.
Always verify specifications to ensure compatibility with your application.

Features

The MAX846AEEE is a highly integrated, high-performance power-management IC designed primarily for portable devices. Key features include:
1. Charge Pump Regulator: Provides a regulated output ideal for powering low-voltage logic.
2. Low-Dropout Linear Regulators (LDOs): Offers two independent LDOs for powering various system components.
3. Low Supply Current: Ensures energy efficiency, extending battery life in portable applications.
4. Battery Monitor: Includes a battery monitor to track battery voltage and status.
5. Power-Fail Comparator: Monitors the input voltage and provides a signal when the voltage falls below a preset threshold.
6. Adjustable Output Voltages: Allows customization of output voltages to suit specific application needs.
7. Overcurrent Protection: Protects the device and the system by limiting the current draw and preventing damage.
8. Compact Package: Comes in a compact package suitable for space-constrained applications.
These features make the MAX846AEEE ideal for managing power in portable electronics, ensuring efficient operation and robust protection.

Pinout

The MAX846AEEE is a high-efficiency, step-up DC-DC converter IC from Maxim Integrated. It is designed for use in battery-powered devices, offering a compact and efficient solution for generating higher output voltages from lower input voltages.
The MAX846AEEE comes in a 16-pin package, specifically an SSOP (Shrink Small Outline Package). The functions of its pins include:
1. LX - Inductor Connection.
2. GND - Ground.
3. OUT - Output Voltage Sense.
4. REF - Reference Voltage Output.
5. COMP - Compensation for Loop Stability.
6. SHDN - Shutdown Control Input.
7. FB - Feedback Input.
8. V+ - Supply Voltage Input.
9. ISET - Current Limit Adjustment.
10. LBI/LBO - Low-Battery Input/Output.
11. N.C. - No Connection (unused pins).
The MAX846AEEE efficiently boosts lower voltages to higher levels, often used in applications like portable electronics where space and energy efficiency are critical. Its features include adjustable output voltage, current limiting, and low-battery detection.

Manufacturer

The MAX846AEEE is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company focuses on providing solutions for various applications, including power management, interface, and communication. Analog Devices, which acquired Maxim Integrated in 2021, is a global leader in the semiconductor industry specializing in data conversion, signal processing, and power management technologies.

Application

The MAX846AEEE is a highly efficient, low-dropout linear regulator designed for portable and battery-powered devices. Its key application areas include mobile phones, PDAs, digital cameras, and other handheld electronics that require stable power supply management. The device is particularly suitable for applications needing precise output voltage regulation in power-sensitive environments. Its low dropout voltage makes it ideal for extending battery life. Additionally, the MAX846AEEE can be used in systems requiring low noise and fast transient response, making it beneficial for RF applications and sensitive analog circuits. Its small package size also allows for compact design implementations.

Package

The MAX846AEEE is typically available in a 16-pin QSOP (Quarter-Size Outline Package). This package type is known for its compact size, making it suitable for space-constrained applications.

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