
Allicdata Part #: | LM3622AM-4.1/NOPB-ND |
Manufacturer Part#: |
LM3622AM-4.1/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC CTRLR LI-ION BAT CHRG 8-SOIC |
More Detail: | Charger IC Lithium-Ion 8-SOIC |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 1 |
Current - Charging: | Constant |
Programmable Features: | -- |
Fault Protection: | -- |
Charge Current - Max: | -- |
Battery Pack Voltage: | 4.1V |
Voltage - Supply (Max): | 24V |
Interface: | -- |
Operating Temperature: | -20°C ~ 70°C (TA) |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | LM3622 |
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The LM3622AM-4.1/NOPB is a high performance Charger-Controlled Battery Backup (CCBB) controller for power management in portable systems. It addresses the need for reliable power and clean start-up in battery-operated systems. This special version provides support for multiple battery brands and chemistries, as well as Charge Voltage (CV) accuracy better than 2.0% mV accuracy.
The LM3622AM-4.1/NOPB supports a wide range of charging schemes, including Constant Current/Constant Voltage (CC/CV) and Pulse Width Modulated (PWM) charging with an adjustable C/10 voltage ending threshold and a C/10 catch complete. The device is designed to be used in unsupervised and unattended portable applications, with an intelligent battery monitor, undervoltage lockout and Low Battery Disconnect (LBD) technology. With the exception of a few external components, the LM3622AM-4.1/NOPB requires no other components to control charger and battery voltage.
The LM3622AM-4.1/NOPB is a low-cost, low-power, highly integrated solution for mechanically-unattended and electrically-uncontrolled battery systems. It includes a dedicated full bridge rectifier, a low-drop-out regulator (LDO) controller, an intelligent onboard battery monitor, an adjustable C/10 catch complete, undervoltage lockout and Low Battery Disconnect (LBD) technology. The integrated full bridge rectifier enables direct operation from a dual voltage AC line (120/220V or 220/380V, AC) or a single DC voltage line (48V, DC). The integrated LDO controller allows the adjustable output voltage range to be set from Free Floating (FF) (2.2V to 6.5V) to boosted up to 10.8V.
The LM3622AM-4.1/NOPB is also equipped with internally adjustable C/10 catch complete, low-power operation, adjustable wall voltage input regulator, PWM switching mode and adjustable output regulation, including an adjustable output capacitor. Additionally, the device offers a Thermal Protection Feature to protect against overheating of the battery, an Over Voltage Protection (OVP) setting to protect the system, and an optional Constant Current / Constant Voltage (CC/CV) charging scheme with adjustable charge and discharge thresholds.
The LM3622AM-4.1/NOPB also provides other features that make it a great choice for power management in portable systems. It has an adjustable On/Off time period for the wall voltage input regulator and allows for a 50% duty cycle output to the battery. Additionally, the device includes an adjustable low voltage disconnect (LVD), an under-voltage lockout and a low battery disconnect (LBD) technology for complete power and safety management. All these features ensure that the device provides reliable power and clean start-up in battery-operated devices.
In conclusion, the LM3622AM-4.1/NOPB is a highly integrated, high performance Charger-Controlled Battery Backup (CCBB) controller for power management in portable systems. It enables the use of multiple battery brands and chemistries with a CV accuracy better than 2.0% mV. Full bridge rectifier and low-drop-out regulator (LDO) controllers are integrated, and other features include optional CC/CV charging scheme with adjustable charge and discharge thresholds, adjustable PWM switching mode and adjustable wall voltage input regulator. Thermal Protection Feature protects against overheating of the battery, while an Over Voltage Protection (OVP) setting protects the system and an optional low voltage disconnect (LVD), under-voltage lockout and low battery disconnect (LBD) technologies protect the system from temporary power cutoffs. All of these features make the LM3622AM-4.1/NOPB the ideal choice for reliable power and clean start-up in battery-operated systems.
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