MAX1758EAI

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MAX1758EAI

+Nomenclature

IC BATT CHG LI-ION 1-4CEL 28SSOP

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX1758EAI

  • En stock2414

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Spécifications

Attribut Valeur
Part Status Active
Battery Chemistry Lithium Ion
Number of Cells 1 ~ 4
Current - Charging Constant - Programmable
Programmable Features Timer
Charge Current - Max 1.5A
Battery Pack Voltage 19V (Max)
Voltage - Supply (Max) 28V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 28-SSOP (0.209", 5.30mm Width)
Supplier Device Package 28-SSOP
Base Product Number MAX1758

Présentation

Description

The MAX1758EAI is a high-efficiency, step-down (buck) DC-DC converter designed for a wide range of applications, including battery-powered devices and power management in consumer electronics. It operates over an input voltage range of 4.5V to 60V, making it suitable for both low and high-voltage systems. The device features a maximum output current of 2A and delivers an adjustable output voltage from 1.2V to 15V, allowing flexible design configurations.
Key features include a low quiescent current for improved battery life, a built-in soft-start function to minimize inrush current, and thermal protection mechanisms to prevent overheating. Additionally, the MAX1758EAI is equipped with a frequency compensation circuit, enabling stable operation across various load conditions. Its compact package and low external component count make it ideal for space-constrained applications.
Overall, the MAX1758EAI is a reliable choice for designers seeking an efficient power solution with a balance of performance, flexibility, and ease of integration.

Equivalent

Equivalent products to the MAX1758EAI include the LM2596, TPS544B15, and LTC3780. These chips provide similar functionality as step-down (buck) voltage regulators with adjustable output voltages and comparable current ratings. Always verify specifications such as input voltage range, output voltage accuracy, and efficiency to ensure compatibility for your specific application.

Features

The MAX1758EAI is a high-efficiency, step-down (buck) DC-DC converter designed for various applications. Key features include:
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, making it suitable for a range of power sources.
2. Output Voltage: Adjustable output voltage from 0.8V to 30V, allowing flexibility for different requirements.
3. High Efficiency: Efficiency up to 95%, which helps minimize heat generation and improves battery life in portable applications.
4. Current Limit: Features a current limit function to protect against overcurrent conditions.
5. Switching Frequency: Fixed or adjustable switching frequency options (up to 1 MHz) for optimized performance and reduced component size.
6. Thermal Shutdown: Integrated thermal protection to safeguard the device from overheating.
7. Packages: Available in compact packages, including a 16-pin TQFN for space-constrained designs.
These features make the MAX1758EAI ideal for automotive, industrial, and consumer applications requiring efficient power management.

Pinout

The MAX1758EAI is a high-voltage, step-down (buck) DC-DC converter from Maxim Integrated. It features a total of 16 pins.
Key functions of the pins include:
1. VIN - Input voltage supply.
2. GND - Ground reference.
3. SW - Switch node for connecting to the inductor.
4. VOUT - Output voltage node.
5. COMP - Compensation node for loop stability.
6. FB - Feedback pin for voltage regulation.
7. EN - Enable pin to control the operation.
8. SS - Soft-start pin to manage startup time.
9. PGND - Power ground for high current paths.
10. MODE - Mode selection for operation (PWM/PMW).
11. ISEN - Current sense pin for overcurrent protection.
12. FREQ - Frequency setting pin.
13. NC - No connection pins, typically for layout flexibility.
14. CSEL - Capacitor selection pin for output capacitor type.
These functions allow the MAX1758EAI to efficiently regulate output voltage and manage power conversion tasks in various applications.

Manufacturer

The MAX1758EAI is manufactured by Maxim Integrated, which is a semiconductor company known for designing and producing analog and mixed-signal integrated circuits (ICs). Maxim Integrated specializes in a wide range of applications including power management, signal processing, and interface solutions, catering to various industries such as automotive, communications, industrial, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global high-performance analog technology company. This acquisition expanded Analog Devices’ portfolio and enhanced its capabilities in the analog semiconductor market. The MAX1758EAI specifically is a high-efficiency, step-down (buck) voltage regulator, widely used in powering devices that require stable voltage with minimal energy loss.

Application

The MAX1758EAI is a high-efficiency, step-down DC-DC converter primarily used in power management applications. Its key areas include:
1. Portable Devices: Used in battery-powered equipment for efficient power conversion.
2. Telecommunications: Powers communication devices and infrastructure with stable voltage.
3. Industrial Equipment: Supplies regulated voltage for automation and control systems.
4. Automotive: Powers infotainment and navigation systems.
5. Consumer Electronics: Used in devices like laptops and tablets for power supply regulation.
Its wide input voltage range and high efficiency make it suitable for various applications requiring reliable and compact power solutions.

Package

The MAX1758EAI is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) with a 4mm x 4mm footprint.

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