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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 400MA 8SON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：6V
- Voltage - Output：18.5V
- Current - Output / Channel：400mA (Switch)
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VDFN Exposed Pad
- Supplier Device Package：8-SON (3x3)
- Grade：-
- Qualification：-
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Overview
The TPS61061DRBRG4 is a constant current LED driver IC from Texas Instruments, designed for white LED backlight applications. It utilizes a boost converter topology with a fixed switching frequency of 1 MHz. The device supports an input voltage range of 2.7 V to 6 V and delivers a maximum output current of 400 mA. It achieves a regulated output voltage up to 19 V. The component operates within a temperature range of -40°C to +85°C and is housed in an 8-pin SON (3x3 mm) package.
Feature Summary
- Integrated PWM dimming capability for precise brightness control
- Fixed 1 MHz switching frequency for compact external component sizing
- Constant current regulation optimized for LED string driving
Applications
- White LED backlight drivers for portable devices
- General LED lighting systems requiring constant current regulation
- Battery-powered equipment utilizing boost conversion topologies
Procurement Notes
Verify the specific ordering suffix DRBRG4 against the manufacturer's latest documentation to confirm package type and environmental compliance status. Ensure that the procurement channel provides valid traceability for the component lot. Cross-reference the datasheet revision date to guarantee alignment with the most recent electrical specifications and thermal characteristics before finalizing supply agreements.
Selection Notes
Select this component when designing circuits requiring a single-channel boost converter for LED strings. It is suitable for applications needing a wide input voltage range and high efficiency at moderate currents. Consider the 1 MHz frequency for minimizing passive component size. Evaluate the thermal performance within the specified operating temperature range to ensure reliable operation in the target enclosure.
Part Context
This part belongs to the TPS6106x series of LED drivers from Texas Instruments. These components are engineered specifically for driving white LEDs in portable electronics. The series offers various packages and output configurations to accommodate different board space constraints and power requirements while maintaining consistent current regulation.
Replacement Considerations
The TPS61061DRBR is a compatible alternative within the same product family. Verify pinout compatibility and electrical parameter alignment before substitution.
