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TPS61060

ACTIVE

15V, 400mA switch, 1MHz boost converter w/brightness control for white LED power Supplies

Product details

Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 6 Vout (min) (V) 2.7 Vout (max) (V) 15 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 95 LED current per channel (mA) 50 Peak efficiency (%) 83 Topology Boost Features 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) 6 Vout (min) (V) 2.7 Vout (max) (V) 15 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 95 LED current per channel (mA) 50 Peak efficiency (%) 83 Topology Boost Features Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YZF) 8 3.0625 mm² 1.75 x 1.75 VSON (DRB) 8 9 mm² 3 x 3
  • LED Driver With Integrated Overvoltage
    and Short-Circuit Protection
  • 2.7-V to 6-V Input Voltage Range
  • 500-mV/250-mV Feedback Voltage
  • TPS61060 Powers Up to 3 LEDs
  • TPS61061 Powers Up to 4 LEDs
  • TPS61062 Powers Up to 5 LEDs
  • PWM Brightness Control on Enable
  • Digital Brightness Control on ILED
  • 1-MHz Fixed Switching Frequency
  • 400-mA Internal Power MOSFET Switch
  • LEDs Disconnected During Shutdown
  • Operates With Small-Output Capacitors
    Down to 220 nF
  • Up to 80% Efficiency
  • 8-Pin NanoFree® Package (Chipscale, CSP)
  • 3 × 3-mm QFN Package
  • LED Driver With Integrated Overvoltage
    and Short-Circuit Protection
  • 2.7-V to 6-V Input Voltage Range
  • 500-mV/250-mV Feedback Voltage
  • TPS61060 Powers Up to 3 LEDs
  • TPS61061 Powers Up to 4 LEDs
  • TPS61062 Powers Up to 5 LEDs
  • PWM Brightness Control on Enable
  • Digital Brightness Control on ILED
  • 1-MHz Fixed Switching Frequency
  • 400-mA Internal Power MOSFET Switch
  • LEDs Disconnected During Shutdown
  • Operates With Small-Output Capacitors
    Down to 220 nF
  • Up to 80% Efficiency
  • 8-Pin NanoFree® Package (Chipscale, CSP)
  • 3 × 3-mm QFN Package

The TPS6106x is a high-frequency, synchronous boost converter with constant current output to drive up to 5 white LEDs. For maximum safety, the device features integrated overvoltage and an advanced short-circuit protection when the output is shorted to ground. The device operates with 1-MHz fixed switching frequency to allow for the use of small external components and to simplify possible EMI problems. The device comes with three different overvoltage protection thresholds (14 V/18 V/23 V) to allow inexpensive and small-output capacitors with lower voltage ratings. The LED current is initially set with the external sense resistor Rs, and the feedback voltage is regulated to 500 mV or 250 mV, depending on the ILED pin configuration. Digital brightness control is implemented by applying a simple digital signal to the ILED pin. Alternatively, a PWM signal up to 1 kHz can be applied to the enable pin to control the LED brightness. During shutdown, the output is disconnected from the input to avoid leakage current through the LEDs.

The TPS6106x is a high-frequency, synchronous boost converter with constant current output to drive up to 5 white LEDs. For maximum safety, the device features integrated overvoltage and an advanced short-circuit protection when the output is shorted to ground. The device operates with 1-MHz fixed switching frequency to allow for the use of small external components and to simplify possible EMI problems. The device comes with three different overvoltage protection thresholds (14 V/18 V/23 V) to allow inexpensive and small-output capacitors with lower voltage ratings. The LED current is initially set with the external sense resistor Rs, and the feedback voltage is regulated to 500 mV or 250 mV, depending on the ILED pin configuration. Digital brightness control is implemented by applying a simple digital signal to the ILED pin. Alternatively, a PWM signal up to 1 kHz can be applied to the enable pin to control the LED brightness. During shutdown, the output is disconnected from the input to avoid leakage current through the LEDs.

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Technical documentation

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Type Title Date
* Data sheet TPS6106x Constant Current LED Driver With Digital and PWM Brightness Control datasheet (Rev. B) PDF | HTML 09 Dec 2014
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 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
EVM User's guide TPS6106xEVM User's Guide (Rev. A) 11 Apr 2007
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006
Application note TPS61060/61/62: Single-Wire Digital Brightness Control 05 May 2006
More literature Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 15 Feb 2001

Design & development

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Gerber file

TPS6106xVM Gerber Files

SLVC135.ZIP (112 KB)
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DSBGA (YZF) 8 Ultra Librarian
VSON (DRB) 8 Ultra Librarian

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