LM3622AM-8.2 NSC [National Semiconductor], LM3622AM-8.2 Datasheet
LM3622AM-8.2
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LM3622AM-8.2 Summary of contents
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LM3622 Lithium-Ion Battery Charger Controller General Description The LM3622 is a charge controller for Lithium-Ion batteries. This monolithic integrated circuit accurately controls an ex- ternal pass transistor for precision Lithium-Ion battery charg- ing. The LM3622 provides a constant voltage or ...
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Connection Diagram Refer to the Ordering Information Table in this Datasheet for Specific Part Number Pin Description Pin No. Name I Input SEL 2 LV Input ENB 3 LV Output 4 GND Ground 5 CS Input 6 CEL ...
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... LM3622M-4.1 ± 50mV LM3622MX-4.1 ± 30mV LM3622AM-4.2 ± 30mV LM3622AMX-4.2 ± 50mV LM3622M-4.2 ± 50mV LM3622MX-4.2 ± 60mV LM3622AM-8.2 ± 60mV LM3622AMX-8.2 100mV LM3622M-8.2 100mV LM3622MX-8.2 ± 60mV LM3622AM-8.4 ± 60mV LM3622AMX-8.4 100mV LM3622M-8.4 100mV LM3622MX-8.4 3 Supplied As 95 unit increments in rail ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( EXT (Note 2) LV SEL LV ENB ESD Susceptibility (Note 3) Storage Temperature ...
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Typical Performance Characteristics Output Voltage Regulation DS100974-5 Output Drive Current DS100974-6 Unless otherwise specified, T Current Sense Voltage Regulation DS100974-8 Output Drive Current DS100974 25˚C. A ...
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Functional Description The simplified LM3622 block diagram in Figure 1 gives a general idea of the circuit operation. The controller integrates the reference, feedback and drive functions on-chip to con- trol a linear, lithium-ion battery charger in constant voltage and ...
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Typical Application FIGURE 2. Low Dropout, Constant Current/Constant Voltage Li-ion Battery Charger The low dropout linear charger shown in Figure 2 provides constant current and constant voltage charging of 1-cell lithium-ion battery packs. J1 and J2 are used for selecting ...
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Timing Diagram FIGURE 3. Typical Charge Cycle with Low-Voltage Detection Enabled. www.national.com DS100974-12 8 ...
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Physical Dimensions LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. ...