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TPS61160A
White LED driver with PWM brightness control in 2mm x 2mm Package. up to 10 LEDs in Series
Data sheet
TPS61160A
- Input Voltage Range: 2.7 V to 18 V
- 26-V Open LED Protection for TPS61160A
38-V Open LED Protection for TPS61161A - 200mV Reference Voltage With ±2% Accuracy
- PWM Interface for Brightness Control
- Built-in Soft Start
- Up to 90% Efficiency
- 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad
With a 40-V rated integrated switch FET, the TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.
The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in the typical application. During the operation, the LED current can be controlled by a pulse width modulation (PWM) signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.
The TPS61160A/61A is available in a space-saving, 2-mm × 2-mm WSON package with thermal pad.
For all available packages, see the orderable addendum at the end of the data sheet.Technical documentation
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View all 6 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS6116xA White LED Driver with PWM Brightness Control in 2-mm x 2-mm WSON Package datasheet (Rev. C) | PDF | HTML | 14 Jul 2016 |
| White paper | Common LED Functions and LED Driver Design Considerations | 21 Sep 2020 | ||
| Application note | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 11 Dec 2018 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Application note | How to Use Analog Dimming With TPS6116x | 05 Aug 2011 | ||
| More literature | Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies | 15 Feb 2001 |
Design & development
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WSON (DRV) | 6 | Ultra Librarian |
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