MAX1873SEEE

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MAX1873SEEE

IC BAT CHG MULT-CHEM 3CEL 16QSOP

  • Fabricant
  • Mfr. Partie #MAX1873SEEE
  • Paquet QSOP-16
  • Fiche de données
  • En stock6322

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Spécifications

Package Tube
ProductStatus Obsolete
BatteryChemistry Multi-Chemistry
NumberofCells 3
Current-Charging Constant - Programmable
ChargeCurrent-Max 4A
BatteryPackVoltage 12.6V
Voltage-Supply(Max) 28V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-SSOP (0.154, 3.90mm Width)

Vue d'ensemble

Description

The MAX1873SEEE is a high-performance, low-power, step-up (boost) DC-DC converter designed for portable devices. It converts low input voltages (as low as 0.9V) to higher output voltages (up to 5.5V), making it suitable for powering applications like microcontrollers, sensors, and other electronic components from batteries.
Key features include a built-in switch, high efficiency (up to 95%), and adjustable output voltage via external resistors. The device operates with a low quiescent current, enabling longer battery life in applications. It also includes protection features such as over-voltage, over-current, and thermal shutdown, enhancing reliability.
The MAX1873SEEE comes in a small package, which is advantageous for space-constrained designs. Its applications include portable medical devices, IoT gadgets, and other battery-operated systems. Overall, the MAX1873SEEE is an effective solution for boosting voltage in compact electronic applications.

Features

The MAX1873SEEE is a highly integrated power management IC designed for battery-operated devices. Key features include:
1. Buck Converter: Provides a regulated output voltage from a varying input voltage.
2. High Efficiency: Offers efficiency up to 95%, reducing heat generation and extending battery life.
3. Wide Input Voltage Range: Operates from 2.5V to 5.5V, making it suitable for various applications.
4. Adjustable Output Voltage: Supports output voltage settings from 1.2V to 3.6V.
5. Low Quiescent Current: Designed for low power consumption, ideal for portable applications.
6. Soft-Start Function: Reduces inrush current during startup, enhancing stability.
7. Built-in Protection Features: Includes overcurrent protection and thermal shutdown to ensure reliability.
8. Compact Package: Available in a 10-pin µMAX package, suitable for space-constrained designs.
These characteristics make the MAX1873SEEE ideal for use in portable electronics, battery-powered devices, and other applications requiring efficient power management.

Package

The MAX1873SEEE is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package), which is a surface-mount package designed for compact applications.

Pinout

The MAX1873SEEE is a high-efficiency, step-down (buck) DC-DC converter. It features a 20-pin TQFN (Thin Quad Flat No-lead) package.
Pin Count: 20
Functions: The key functions of the MAX1873SEEE include:
1. Input Voltage Range: Accepts input voltages from 4.5V to 28V.
2. Output Voltage: Adjustable output voltage with a maximum output current of 3A.
3. Power Efficiency: Designed for high efficiency, minimizing heat generation.
4. Enable Pin: Allows for enable/disable functionality.
5. Compensation Network: Internally compensated for stability across varying loads.
6. Soft-Start Feature: Reduces inrush current during startup.
7. Overcurrent Protection: Provides protection against overcurrent conditions.
8. Thermal Shutdown: Prevents overheating by shutting down under high-temperature conditions.
These features make the MAX1873SEEE suitable for a variety of applications in power management, including battery-operated devices and industrial equipment.

Manufacturer

The MAX1873SEEE is manufactured by Maxim Integrated, which is a company known for designing and manufacturing analog and mixed-signal integrated circuits. Maxim Integrated specializes in a range of applications, including power management, signal processing, and communications. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., a global leader in high-performance analog technology. The company focuses on providing innovative solutions for various industries, including automotive, industrial, healthcare, and consumer electronics.

Application

The MAX1873SEEE is a high-efficiency, synchronous step-down DC-DC converter, primarily used in portable devices, battery-powered applications, and consumer electronics. Its application areas include powering microcontrollers, sensors, and wireless communication devices, as well as in LED drivers and energy storage systems. It is suitable for applications requiring compact size and high performance, such as mobile phones, tablets, and wearable devices.

Equivalent

Equivalent products to the MAX1873SEEE chip include the TI BQ24075, ON Semiconductor NCP81239, and the Microchip MCP73831. These alternatives offer similar features for battery management and charging applications. Always verify specific characteristics and compatibility before substitution.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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2. Carte de crédit/débit

3. Transfert bancaire

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