AAT3693IDH-AA-T1 Integrated Circuits (ICs) |
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Allicdata Part #: | 863-1512-2-ND |
Manufacturer Part#: |
AAT3693IDH-AA-T1 |
Price: | $ 0.29 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Skyworks Solutions Inc. |
Short Description: | 1.6A LINEAR LI-ION CHGR 10TDFN |
More Detail: | Charger IC Lithium-Ion/Polymer 10-TDFN (2.2x2.2) |
DataSheet: | AAT3693IDH-AA-T1 Datasheet/PDF |
Quantity: | 110899 |
3000 +: | $ 0.25666 |
6000 +: | $ 0.24383 |
15000 +: | $ 0.23466 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Battery Chemistry: | Lithium-Ion/Polymer |
Number of Cells: | 1 |
Current - Charging: | Constant - Programmable |
Programmable Features: | Current |
Fault Protection: | Over Current, Over Temperature, Over Voltage, Short Circuit |
Charge Current - Max: | 1.6A |
Battery Pack Voltage: | 4.2V |
Voltage - Supply (Max): | 7.5V |
Interface: | USB |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 10-WFDFN Exposed Pad |
Supplier Device Package: | 10-TDFN (2.2x2.2) |
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PMIC - Battery Chargers
AAT3693IDH-AA-T1 is a monolithic integrated circuit that is used to charge and maintain a lithium-ion battery. This device is designed specifically for portable battery-powered products, and is used to charge single-cell Li-Ion battery packs. It provides a trickle-charge capability for long term reliability and battery life.
Application Field
AAT3693IDH-AA-T1 battery charger can be used with a variety of Li-Ion batteries and has a wide range of applications. It can be used in a wide range of consumer electronics products such as smartphones, tablets, portable media players, laptops and digital cameras. It is also suitable for industrial applications such as valve actuator systems, telecommunication systems and sophisticated medical equipment.
Working Principle
The AAT3693IDH-AA-T1 is designed to provide a high-precision, low-noise current-limited charging mode when used with a Li-Ion battery pack. The device has two charging pins, the charge input voltage (VIN) and the charge current (VOUT). The device also has two control pins, an active-high enable pin (EN) and a charge status pin (STAT).
The device is designed to operate in three stages: precharge, charge, and termination. In the precharge stage, the device senses the voltage of the battery and then applies a precharge current (typically 0.1C or 250 mA). In the charge stage, the device monitors the battery voltage and the charge current and then limits the current to the maximum value. The device then adjusts the charge current to maintain a constant voltage set-point at the end of the charging period.
In the termination phase, the device senses the battery voltage and if it is near the set-point, it stops charging and indicates a charging success by turning on the STAT pin. If the battery voltage is still not near the set-point, it indicates a failure and the STAT pin will remain in the off state. The device then enters into a trickle charge while providing over-voltage protection.
Conclusion
The AAT3693IDH-AA-T1 is a highly efficient monolithic integrated circuit that is able to provide an accurate and reliable way of charging a Li-Ion battery. It has a wide range of applications from consumer electronics to industrial applications due to its wide range of input and output voltage levels. The device has a three-stage operation for charging the battery, consisting of precharge, charge, and termination. The device also has over-voltage protection and a charge status pin to indicate if the charging process was successful.
The specific data is subject to PDF, and the above content is for reference
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