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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 180MA 14TSDSO
- Series：LITIX™
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：5.5V
- Voltage - Supply (Max)：40V
- Voltage - Output：40V
- Current - Output / Channel：180mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：14-TSSOP (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：PG-TSDSO-14
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The TLD21321EPXUMA1 is a high-side LED driver IC from Infineon's LITIX family, designed for automotive lighting applications. It features a single output channel capable of delivering up to 180 mA with linear topology. The device operates within an input voltage range of 5.5 V to 40 V and supports PWM dimming control. Packaged in a PG-TSDSO-14 format, it includes integrated short circuit and thermal protection mechanisms to ensure reliable operation under varying automotive electrical conditions.
Feature Summary
- Integrates LITIX technology for precise current regulation and advanced diagnostic capabilities
- Supports PWM dimming control for flexible brightness adjustment
- Includes built-in short circuit and thermal protection for enhanced system safety
Applications
- Automotive exterior lighting systems
- LED tail light modules
- High-side LED driving circuits
Procurement Notes
Verify the exact part number suffix against official Infineon documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint, specifically the PG-TSDSO-14 pinout. Confirm that the 180 mA output current meets your specific LED string requirements before finalizing procurement decisions.
Selection Notes
Select this component when a single-channel, high-side linear driver is required for automotive LEDs. It is suitable for applications needing PWM dimming and robust fault protection. Consider alternative models if multiple channels or higher current outputs are necessary, as this unit provides only one regulated output path.
Part Context
This device belongs to the LITIX Basic+ family of linear current sources. It is engineered for high efficiency and accuracy in automotive environments. The series emphasizes flexible fault management and single LED short diagnosis, making it a standard choice for critical lighting functions where reliability is paramount.
Replacement Considerations
Check for direct substitutes within the TLD213xx series, such as the TLD21313EPXUMA1, noting differences in channel count and current ratings. Verify pin-to-pin compatibility and electrical parameter alignment before swapping components in existing designs.
