Allicdata Part #: | MAX1645AEEI-ND |
Manufacturer Part#: |
MAX1645AEEI |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC CHARGER BATT CHEM IND 28QSOP |
More Detail: | Charger IC Multi-Chemistry 28-QSOP |
DataSheet: | MAX1645AEEI Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Battery Chemistry: | Multi-Chemistry |
Number of Cells: | 1 ~ 4 |
Current - Charging: | -- |
Programmable Features: | -- |
Fault Protection: | -- |
Charge Current - Max: | 3A |
Battery Pack Voltage: | 18.4V (Max) |
Voltage - Supply (Max): | 28V |
Interface: | I²C |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 28-SSOP (0.154", 3.90mm Width) |
Supplier Device Package: | 28-QSOP |
Base Part Number: | MAX1645 |
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PMIC (Power Management Integrated Circuits) are a type of integrated circuit commonly used in power management applications. The MAX1645AEEI is a battery charger IC, which is designed for charging single-cell Li-Ion battery packs with an adjustable output current. This enables the device to be used in battery-powered applications such as cellular phones, PDAs, and digital cameras. The MAX1645AEEI is a monolithic IC composed of a voltage reference, pass transistor, current-sense circuit, and thermal safety circuit.
At its heart is a low-dropout (LDO) linear regulator, which can charge up to two Li-ion cells in series up to 4.2V. It is designed to provide a stable and precise charging current, as well as protection against over-voltage, over-temperature, and short circuit conditions. The output voltage of the device is adjustable via an external resistor, allowing the device to be set to charge any number of cells in series up to the 4.2V maximum.
The current-sense circuit in the MAX1645AEEI is designed to deliver the exact amount of current to the battery pack as specified by the external resistor. The external resistor determines the amount of current that is delivered to the battery pack, and this current is then monitored by the current-sense circuit. This ensures that the battery pack is charged at a consistent rate and that no overcharging occurs.The MAX1645AEEI also includes a thermal safety circuit, which monitors the temperature of the IC during charging.
If the temperature of the IC exceeds a certain maximum threshold, the thermal safety circuit will automatically shut off the charging current, protecting the battery pack and the device itself from damage.The MAX1645AEEI is an ideal choice for any device powered by a single-cell Li-ion battery pack. Its adjustable output current and thermal safety circuit make it ideal for use in a wide range of applications.
By setting the external resistor to the desired value, the device can be used to charge any number of cells in series up to 4.2V. Its current-sense circuitry ensures that the correct amount of current is delivered to the battery pack to ensure that it does not become overcharged. Finally, the thermal safety circuit provides protection for the battery pack and IC by automatically shutting off if the temperature exceeds a predetermined threshold.
Overall, the MAX1645AEEI is a highly efficient and reliable IC for use in battery-based applications. It offers adjustable output current, current-sense circuitry, and a thermal safety circuit all in a single package, making it ideal for use in a wide range of battery-powered applications.
The specific data is subject to PDF, and the above content is for reference
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