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Product Detailed Parameters
- Description：65V 1A BUCK LED DRIVER WITH ANAL
- Series：*
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：-
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The TPS922050D1DRLR is a single-channel LED lighting driver IC from Texas Instruments, designed for high-voltage applications. It features a buck topology with a maximum input voltage of 63 V and supports an output current of 1 A. The device operates within a supply voltage range of 4.5 V to 63 V and includes analog or PWM dimming capabilities. It functions at a switching frequency of 400 kHz and is housed in an 8-pin SOT-583 package. The component is rated for operation between -40°C and +125°C.
Feature Summary
- Supports analog and PWM dimming for precise light control
- Integrated buck converter topology for efficient power management
- High input voltage capability up to 63 V
Applications
- LED lighting systems requiring high input voltage
- Industrial illumination applications
- Automotive exterior lighting modules
Procurement Notes
Verify the specific ordering suffix D1DRLR against the manufacturer's official datasheet to ensure correct pinout and thermal characteristics. Confirm that the SOT-583-8 package variant matches the design requirements. Check RoHS compliance status directly from the product specifications page before finalizing procurement orders.
Selection Notes
Select this component when a buck topology is required for LED strings powered by voltages up to 63 V. Ensure the application demands a 1 A output current limit. Verify compatibility with either analog or PWM dimming signals. Consider the operating temperature range of -40°C to +125°C for environmental suitability.
Part Context
This part belongs to the TPS922050 series of LED drivers. It is distinct from the TPS923650, which supports boost and buck-boost topologies. The TPS922050 is specifically optimized for buck configurations, differentiating it from other family members that may offer different voltage handling or switching frequencies.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's cross-reference tools for potential alternatives.
