MAX1655ESE+T

Product Overview

Category: Integrated Circuit (IC)
Use: Battery Charger
Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
Package: 16-Pin Narrow SOIC (Small Outline Integrated Circuit)
Essence: Power Management IC for Battery Charging Applications
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 4.1V to 28V
Maximum Charging Current: 2A
Operating Temperature Range: -40°C to +85°C
Charging Termination Options: Timer, C/10 Detection, Minimum Voltage
Battery Temperature Monitoring: Yes
Reverse Battery Protection: Yes
Overvoltage Protection: Yes
Undervoltage Lockout: Yes
Thermal Shutdown: Yes

Pin Configuration

The MAX1655ESE+T has a 16-pin narrow SOIC package with the following pin configuration:

GND (Ground)
VCC (Power Supply)
BAT (Battery Connection)
PROG (Programming Pin)
TMR (Timer Control)
C/10 (C/10 Detection)
MINV (Minimum Voltage Detection)
TS (Thermal Sense)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)
N/C (No Connection)

Functional Features

High charging efficiency ensures faster battery charging.
Low quiescent current minimizes power consumption when not charging.
Multiple charging termination options provide flexibility based on application requirements.
Battery temperature monitoring prevents overheating and ensures safe charging.
Reverse battery protection prevents damage due to incorrect battery polarity.
Overvoltage protection safeguards the battery from excessive voltage levels.
Undervoltage lockout protects against insufficient input voltage for charging.
Thermal shutdown prevents IC damage due to excessive temperature.

Advantages

High efficiency results in faster charging times.
Small package size allows for space-saving designs.
Wide input voltage range accommodates various power sources.
Multiple charging termination options offer versatility.
Comprehensive protection features ensure safe and reliable charging.

Disadvantages

Limited maximum charging current may not be suitable for high-capacity batteries.
Narrow SOIC package may require additional PCB space or adapters for integration.

Working Principles

The MAX1655ESE+T is a power management IC designed for battery charging applications. It operates by converting the input voltage to a regulated output voltage suitable for charging batteries. The IC incorporates various control mechanisms to optimize charging efficiency and protect the battery from overcharging, undervoltage, reverse polarity, and excessive temperature. The charging termination options allow customization based on specific battery characteristics and application requirements.

Application Field Plans

The MAX1655ESE+T finds applications in various fields, including:

Portable Electronics: Charging batteries in smartphones, tablets, and portable media players.
Wearable Devices: Powering batteries in smartwatches, fitness trackers, and wireless earphones.
IoT Devices: Charging batteries in connected devices such as sensors, smart home devices, and wearables.
Medical Devices: Powering batteries in medical equipment, patient monitors, and portable diagnostic devices.
Industrial Equipment: Charging batteries in handheld tools, measurement devices, and portable communication systems.

Alternative Models

MAX1555ETB+: Similar specifications and features, but in a 10-pin TDFN (Thin Dual Flat No-Lead) package.
MAX846AEEET+: Higher maximum charging current of 4A, but in a 16-pin QSOP (Quarter Small Outline Package) package.
MCP73831T-2ACI/OT: Comparable specifications and features, available in a 10-pin MSOP (Mini Small Outline Package).

(Note: The above alternative models are provided for reference and may have slight differences in specifications and pin configuration. It is recommended to refer to the respective datasheets for detailed information.)

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1655ESE+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1655ESE+T in technical solutions:

Q: What is the MAX1655ESE+T? A: The MAX1655ESE+T is a high-efficiency, low-quiescent current linear charger for single-cell lithium-ion (Li+) batteries.
Q: What is the input voltage range of the MAX1655ESE+T? A: The input voltage range is typically between 4.5V and 28V.
Q: What is the charging current range supported by the MAX1655ESE+T? A: The charging current range is programmable from 100mA to 1A.
Q: Can the MAX1655ESE+T charge other types of batteries besides Li+? A: No, the MAX1655ESE+T is specifically designed for charging single-cell Li+ batteries.
Q: Does the MAX1655ESE+T have built-in thermal protection? A: Yes, it has built-in thermal protection to prevent overheating during charging.
Q: Can the MAX1655ESE+T operate while charging the battery? A: Yes, it supports simultaneous operation and charging.
Q: Is the MAX1655ESE+T suitable for portable devices with limited power supply? A: Yes, it has a low quiescent current and high efficiency, making it suitable for power-constrained applications.
Q: How does the MAX1655ESE+T handle overvoltage protection? A: It includes overvoltage protection circuitry to prevent damage to the battery during charging.
Q: Can the MAX1655ESE+T be used in automotive applications? A: Yes, it is suitable for automotive applications as it can handle the wide input voltage range and has built-in protection features.
Q: Does the MAX1655ESE+T provide any indication of charging status? A: Yes, it includes an open-drain CHG pin that can be used to indicate the charging status, such as charging in progress or charging complete.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.