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Product Detailed Parameters
- Description：IC BATT CHG DUAL LI-ION
- Series：ADP3801
- Mfr：Analog Devices Inc.
- Package：Bulk
- Battery Chemistry：Lithium Ion/Polymer
- Voltage - Supply (Max)：20V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Cells：1 ~ 3
- Current - Charging：Constant - Programmable
- Programmable Features：Current, Voltage
- Fault Protection：Over Current, Over Temperature, Over Voltage
- Charge Current - Max：-
- Battery Pack Voltage：4.2V, 8.4V, 12.6V
- Interface：-
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Overview
The ADP3801AR-REEL is a high-frequency switch-mode dual Li-ion battery charger IC from Analog Devices. It supports up to three series-connected Li-ion or Li-polymer cells, accommodating pack voltages of 4.2V, 8.4V, and 12.6V. The device features programmable constant charge current with precision control. Operating temperature range is -40°C to +85°C. Package: 16-SOIC.
Feature Summary
- High-frequency switch-mode architecture for efficient charging
- Supports single, double, or triple cell configurations
- Programmable constant current charging with precision control
Applications
- Embedded electronics systems
- Industrial equipment power management
- Portable devices requiring Li-ion/Polymer battery charging
Procurement Notes
Verify the exact suffix 'REEL' against manufacturer documentation to confirm tape-and-reel packaging specifications. Confirm active status and lead times directly with Analog Devices or authorized distributors, as availability may vary by region. Ensure compatibility with existing PCB footprint for the 16-SOIC package.
Selection Notes
Select this component when designing systems requiring support for multiple series-connected lithium cells. The programmable current feature allows customization for different battery capacities. Verify that the input voltage source meets the requirements for the switch-mode operation within the specified operating temperature range.
Part Context
Part of the ADP3801/ADP3802 family of complete battery charging ICs. These devices integrate high-accuracy final voltage control with thermal regulation. The ADP3801 specifically targets applications needing flexibility in cell count configuration without external complex circuitry.
Replacement Considerations
Check for ADP3802 variants if specific pinout or feature differences are required. Verify mechanical compatibility with the 16-SOIC (0.154 inch, 3.90mm) package dimensions before substitution.
FAQ
What battery chemistries does the ADP3801AR-REEL support?
It supports Lithium Ion and Lithium Polymer batteries.
How many cells can be charged simultaneously?
The device supports up to three series-connected cells.
