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TLC59731

AKTIV

3-kanaliger 8-Bit-PWM-LED-Treiber mit Single-Wire-Schnittstelle

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Produktdetails

Number of channels 3 LED current per channel (mA) 50 LED configuration Series, Single Program memory No Topology Current Sink, Linear Programmable ramp control No Vin (min) (V) 3 Vin (max) (V) 5.5 Iout (max) (A) 0.15 Features Serial interface Iq (typ) (mA) 5 Operating temperature range (°C) -40 to 125 Rating Catalog
Number of channels 3 LED current per channel (mA) 50 LED configuration Series, Single Program memory No Topology Current Sink, Linear Programmable ramp control No Vin (min) (V) 3 Vin (max) (V) 5.5 Iout (max) (A) 0.15 Features Serial interface Iq (typ) (mA) 5 Operating temperature range (°C) -40 to 125 Rating Catalog
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Three Sink Current Channels
  • Current Capability:
    • 50 mA per Channel
  • Grayscale (GS) Control With PWM:
    • 8-Bit (256 Steps) With Simple Gamma
      Correction
  • Single-Wire Interface (EasySet™)
  • Power-Supply (VCC) Voltage Range:
    • No Internal Shunt Regulator Mode:
      3 V to 5.5 V
    • Internal Shunt Regulator Mode: 3 V to 6 V
  • OUT Terminals Maximum Voltage: Up to 21 V
  • Integrated Shunt Regulator
  • Data Transfer Maximum Rate:
    • Bits per Second (bps): 600 kbps
  • Internal GS Clock Oscillator: 6 MHz (Typical)
  • Display Repeat Rate: 3.1 kHz (Typical)
  • Output Delay Switching to Prevent Inrush Current
  • Unlimited Device Cascading
  • Operating Temperature: –40°C to 85°C
  • Three Sink Current Channels
  • Current Capability:
    • 50 mA per Channel
  • Grayscale (GS) Control With PWM:
    • 8-Bit (256 Steps) With Simple Gamma
      Correction
  • Single-Wire Interface (EasySet™)
  • Power-Supply (VCC) Voltage Range:
    • No Internal Shunt Regulator Mode:
      3 V to 5.5 V
    • Internal Shunt Regulator Mode: 3 V to 6 V
  • OUT Terminals Maximum Voltage: Up to 21 V
  • Integrated Shunt Regulator
  • Data Transfer Maximum Rate:
    • Bits per Second (bps): 600 kbps
  • Internal GS Clock Oscillator: 6 MHz (Typical)
  • Display Repeat Rate: 3.1 kHz (Typical)
  • Output Delay Switching to Prevent Inrush Current
  • Unlimited Device Cascading
  • Operating Temperature: –40°C to 85°C

The TLC59731 device is an easy-to-use, 3-channel, 50-mA sink current LED driver. The single-wire, 600-kbps serial interface (EasySet) provides a solution for minimizing wiring cost. The LED driver provides 8-bit pulse width modulation (PWM) resolution and a simple gamma correction feature. The display repeat rate is achieved at 3.1 kHz (typical) with an integrated 6-MHz grayscale (GS) clock oscillator. The driver also provides unlimited cascading capability.

Output sink current can be set by each external resistor connected to the OUTn terminal in series. The TLC59731 has an internal shunt regulator that can be used for higher VCC power-supply voltage applications.

The TLC59731 device is an easy-to-use, 3-channel, 50-mA sink current LED driver. The single-wire, 600-kbps serial interface (EasySet) provides a solution for minimizing wiring cost. The LED driver provides 8-bit pulse width modulation (PWM) resolution and a simple gamma correction feature. The display repeat rate is achieved at 3.1 kHz (typical) with an integrated 6-MHz grayscale (GS) clock oscillator. The driver also provides unlimited cascading capability.

Output sink current can be set by each external resistor connected to the OUTn terminal in series. The TLC59731 has an internal shunt regulator that can be used for higher VCC power-supply voltage applications.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TLC59731 3-Channel, 8-Bit, PWM LED Driver With Single-Wire Interface (EasySet) datasheet (Rev. C) PDF | HTML 10.10.2016
Whitepaper Common LED Functions and LED Driver Design Considerations 21.09.2020
Anwendungshinweis How to Select a RGB LED Driver 08.08.2019

Design und Entwicklung

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Simulationsmodell

TLC59731 IBIS Model

SBVM319.ZIP (27 KB) - IBIS-Modell
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