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LTC4121IUD is listed in the Battery Chargers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC BATT CHG MULTI-CHEM 16QFN. Review the specifications below when checking this part for your BOM.
Battery Chargers specifications for LTC4121IUD
- Description：IC BATT CHG MULTI-CHEM 16QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Battery Chemistry：Multi-Chemistry
- Voltage - Supply (Max)：40V
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Number of Cells：-
- Current - Charging：Constant - Programmable
- Programmable Features：-
- Fault Protection：-
- Charge Current - Max：400mA
- Battery Pack Voltage：18V (Max)
- Interface：-
- Grade：-
- Qualification：-
Battery Chargers datasheet and documents for LTC4121IUD
Battery Chargers Overview
The LTC4121IUD is a 40V, 400mA synchronous step-down battery charger from Analog Devices. It supports constant-current/constant-voltage (CC/CV) charging profiles for various chemistries including lithium-ion and lead-acid batteries. The device integrates an I2C interface for telemetry and configuration. It operates within an extended temperature range of -40°C to +85°C and is housed in a compact 16-lead QFN package measuring 3x3mm.
Battery Chargers Feature Summary
- Synchronous step-down architecture for high efficiency
- Integrated I2C telemetry for system monitoring
- Supports multiple battery chemistries
Battery Chargers Applications
- Embedded electronics systems
- Industrial equipment power management
- Portable devices requiring regulated charging
Battery Chargers Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure the component matches the required voltage and current specifications for the target application. Confirm RoHS compliance status through the manufacturer's datasheet before integration into production designs.
Battery Chargers Selection Notes
Select this component for applications requiring a compact, multi-chemistry charger with digital control capabilities. The integrated I2C interface allows for precise monitoring and configuration. Consider the 40V input rating and 400mA output limit when designing the power stage. Verify thermal performance requirements for the selected operating environment.
Battery Chargers Part Context
This part belongs to the LTC4121 family of battery chargers designed for versatile power management solutions. The series offers configurable charging parameters suitable for diverse battery types. The IUD variant specifically denotes the industrial temperature grade and surface-mount packaging format provided by Analog Devices.
Battery Chargers Replacement Considerations
Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully. Generic replacements may not support the same I2C telemetry or multi-chemistry flexibility.
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