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TPS61062

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Aufwärtsregler mit 24V, Schalter für 400 mA, 1 MHz und Helligkeitsregelung für weiße LED-Stromversor

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Datenblatt

TPS61062

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Produktdetails

Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 6 Vout (min) (V) 2.7 Vout (max) (V) 24 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 95 LED current per channel (mA) 50 Peak efficiency (%) 81 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) 24 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 95 LED current per channel (mA) 50 Peak efficiency (%) 81 Topology Boost Features Load Disconnect During Shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
VSON (DRB) 8 9 mm² (3 mm × 3 mm) DSBGA (YZF) 8 3.0625 mm² (— mm × — mm)
  • 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS6106x Constant Current LED Driver With Digital and PWM Brightness Control datasheet (Rev. B) PDF | HTML 09.12.2014
Whitepaper Common LED Functions and LED Driver Design Considerations 21.09.2020
Anwendungshinweis Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11.12.2018
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Anwendungshinweis Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29.11.2017
Anwendungshinweis Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15.06.2017
Anwendungshinweis Minimizing Ringing at the Switch Node of a Boost Converter 15.09.2006
Anwendungshinweis TPS61060/61/62: Single-Wire Digital Brightness Control 05.05.2006
Weitere Dokumente Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 15.02.2001

Design und Entwicklung

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VSON (DRB) 8 Ultra Librarian
DSBGA (YZF) 8 Ultra Librarian
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