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TPS61160

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White LED driver with Digital and PWM brightness control in 2mm x 2mm Package

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Data sheet

TPS61160

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 26 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 26 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
WSON (DRV) 6 4 mm² 2 x 2
  • 2.7-V to 18-V Input Voltage Range
  • 26-V Open LED Protection (TPS61160)
  • 38-V Open LED Protection (TPS61161)
  • 200-mV Reference Voltage With ±2% Accuracy
  • Flexible Digital and PWM Brightness Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • 2.7-V to 18-V Input Voltage Range
  • 26-V Open LED Protection (TPS61160)
  • 38-V Open LED Protection (TPS61161)
  • 200-mV Reference Voltage With ±2% Accuracy
  • Flexible Digital and PWM Brightness Control
  • Built-in Soft Start
  • Up to 90% Efficiency

With a 40-V rated integrated switch FET, the TPS61160 and TPS61161 are boost converters that drive LEDs in series. The boost converters run at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allow 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 . During the operation, the LED current can be controlled using the one-wire digital interface (EasyScale protocol) through the CTRL pin. Alternatively, a pulse width modulation (PWM) signal can be applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In either digital or PWM mode, the TPS61160 and TPS61161 do not burst the LED current; therefore, they do not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disable the TPS61160 and/or TPS61161 to prevent the output voltage from exceeding the device's absolute maximum voltage ratings during open LED conditions.

The TPS61160 and TPS61161 are 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.

With a 40-V rated integrated switch FET, the TPS61160 and TPS61161 are boost converters that drive LEDs in series. The boost converters run at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allow 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 . During the operation, the LED current can be controlled using the one-wire digital interface (EasyScale protocol) through the CTRL pin. Alternatively, a pulse width modulation (PWM) signal can be applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In either digital or PWM mode, the TPS61160 and TPS61161 do not burst the LED current; therefore, they do not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disable the TPS61160 and/or TPS61161 to prevent the output voltage from exceeding the device's absolute maximum voltage ratings during open LED conditions.

The TPS61160 and TPS61161 are 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.
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Technical documentation

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Type Title Date
* Data sheet TPS6116x White LED Drivers With Digital and PWM Brightness Control in 2-mm x 2-mm WSON Package datasheet (Rev. E) PDF | HTML 14 Jul 2016
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Application note Some Guidelines and Tips for the LED Driver Application 14 Aug 2019
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 Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Application note Analog PWM Dimming in White-LED Drivers 21 Dec 2016
Application note Inductor Selection in Boost Converters for LCD Backlight Applications 24 Oct 2016
Application note Schottky Diode Selection in Asynchronous Boost Converters 06 Sep 2016
EVM User's guide TPS61161EVM-243 (Rev. D) 07 May 2013
Application note How to Use Analog Dimming With TPS6116x 05 Aug 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61160EVM-243 — TPS61160EVM-243 Evaluation Module

The TPS61160EVM-243 demonstrates the TPS61160 White LED Driver with Digital and PWM Brightness Control. With a 40-V rated integrated switch FET, the TPS61160 is a boost converter that drives up to 10 LEDs in series.
User guide: PDF
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Support software

TPS6116XEVM-SW — Software for TPS6116x Evaluation Modules

The TPS6116xEVM-SW software provides a software interface for the TPS6116x/70 EVM boards. Use this software to change the TPS6116x IC register via the USB Interface Adapter.
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Calculation tool

SLVC366 — Design Tool for Analog Dimming Using a PWM Signal

Supported products & hardware

Supported products & hardware

Products
Automotive LED drivers
TPS61161-Q1 — Automotive White LED driver with Digital and PWM brightness control in 2mm x 2mm QFN Package
Backlight LED drivers
TPS61160 — White LED driver with Digital and PWM brightness control in 2mm x 2mm Package TPS61160A — White LED driver with PWM brightness control in 2mm x 2mm Package. up to 10 LEDs in Series TPS61161 — White LED driver with Digital and PWM brightness control in 2mm x 2mm WSON Package TPS61165 — High brightness white LED driver in 2mm x 2mm QFN Package TPS61166 — White LED driver w/ integrated power Diode and Fast Burst dimming Mode
AC/DC & DC/DC converters (integrated FET)
TLV62130A — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package TLV62150A — 4-17V, 1A STEP-DOWN CONVERTER with DCS-Control in 3x3 QFN Package TPS62130 — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package TPS62130A — 3-V to 17-V, 3-A step-down converter with DCS-control in 3x3 QFN package TPS62140 — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62140A — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62150 — 3–17V 1A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62150A — 3-17V 1A 3MHz Step-Down Converter with DCS-Control in 3x3 QFN Package
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Gerber file

TPS6116xEVM Gerber Files

SLVC152.ZIP (101 KB)
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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WSON (DRV) 6 Ultra Librarian
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