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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 700MA 6WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：18V
- Voltage - Output：38V
- Current - Output / Channel：700mA (Switch)
- Frequency：600kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-WDFN Exposed Pad
- Supplier Device Package：6-WSON (2x2)
- Grade：-
- Qualification：-
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Overview
The TPS61161DRVR is a white LED driver IC from Texas Instruments, featuring a boost topology and WSON-6 package. It operates on an input voltage range of 2.7 V to 18 V, delivering up to 700 mA output current with a maximum output voltage of 38 V. The device functions at a switching frequency of 600 kHz and supports PWM dimming alongside open LED protection. It is rated for operating temperatures between -40°C and +85°C.
Feature Summary
- Integrates a high-efficiency boost converter for driving white LEDs
- Supports precise digital and PWM brightness control mechanisms
- Includes built-in open LED protection circuitry
Applications
- Portable electronic device backlighting
- General solid-state lighting systems
- Automotive interior illumination components
Procurement Notes
Verify the specific suffix DRVR against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the procurement source provides valid traceability documentation. Confirm that the component meets RoHS compliance standards required for your assembly process before finalizing orders.
Selection Notes
Select this component when a compact solution is required for single-string white LED applications. The fixed 600 kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the system input voltage remains within the 2.7 V to 18 V range to ensure stable operation without triggering undervoltage lockout.
Part Context
This part belongs to the TPS61161 series of LED drivers designed for space-constrained environments. It shares architectural similarities with the automotive-grade TPS61161QDRVRQ1 but lacks AEC-Q100 qualification. The WSON-6 package facilitates surface-mount assembly in dense PCB layouts common in modern consumer electronics.
Replacement Considerations
The TPS61161ADRVT is a variant within the same family offering different tape-and-reel specifications. Direct substitution requires verifying that the alternative package matches the existing footprint and that thermal performance remains adequate for the application.
