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MAX16821CATI+ is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC LED DRIVER CTRLR PWM 28TQFN. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for MAX16821CATI+
- Description：IC LED DRIVER CTRLR PWM 28TQFN
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：DC DC Controller
- Topology：SEPIC, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：4.75V
- Voltage - Supply (Max)：28V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：125kHz ~ 1.5MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-WFQFN Exposed Pad
- Supplier Device Package：28-TQFN (5x5)
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for MAX16821CATI+
LED Driver IC Overview
The MAX16821CATI+ is a high-efficiency LED driver IC from Analog Devices/Maxim Integrated, designed for synchronous operation with rapid current pulsing. It operates within an input voltage range of 4.75 V to 28 V and supports PWM dimming. The device features a switching frequency between 125 kHz and 1.5 MHz and provides a high-level output current of 4 A. Packaged in a 28-TQFN (5x5) format, it functions as a DC-DC controller supporting SEPIC, buck, and boost topologies. It is rated for industrial temperatures from -40°C to +125°C.
LED Driver IC Feature Summary
- Supports synchronous operation with rapid current pulsing for high efficiency
- Enables precise brightness control via PWM dimming interface
- Integrates flexible topology support including SEPIC, buck, and boost configurations
LED Driver IC Applications
- LED backlighting systems
- Portable projector RGB LED drivers
- Multicolor lighting applications
LED Driver IC Procurement Notes
Verify component authenticity through authorized channels due to limited supply status. Confirm package integrity and RoHS compliance upon receipt. Cross-reference datasheet revisions to ensure functional compatibility with existing designs. Validate thermal performance under actual operating conditions before final integration.
LED Driver IC Selection Notes
Select this component for designs requiring high-efficiency LED driving with flexible input voltage ranges. Ensure the application benefits from rapid current pulsing capabilities. Verify that the 28-TQFN package fits the PCB layout constraints. Confirm that the required switching frequency range aligns with electromagnetic interference requirements.
LED Driver IC Part Context
This part belongs to the MAX16821 series of LED lighting drivers. It is manufactured by Analog Devices Inc./Maxim Integrated. The series focuses on high-power LED applications requiring efficient power management and precise current control. The CATI+ suffix indicates specific temperature and packaging variants within the product line.
LED Driver IC Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for potential alternatives if this component is discontinued or unavailable.
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