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LP5867

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7 x 6 LED matrix driver with 8-bit analog and 8-bit or 16-bit PWM dimming

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Data sheet

LP5867

ACTIVE
Data sheet Order now

Product details

Number of channels 6 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Topology Linear Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.3 Features Analog/PWM mixed dimming, Constant current, Enable/Shutdown, LED Open Detection, LED Short Detection, SPI/I2C, Thermal shutdown Iq (typ) (mA) 4.3 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 6 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Topology Linear Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.3 Features Analog/PWM mixed dimming, Constant current, Enable/Shutdown, LED Open Detection, LED Short Detection, SPI/I2C, Thermal shutdown Iq (typ) (mA) 4.3 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YBH) 24 3.768324 mm² 2.382 x 1.582

  • LED matrix topology:

    • 6 constant current sinks with 7 scan switches for 42 LED dots
    • Configurable for 1 to 7 scan switches

  • Operating voltage range:
    • VCC/VLED range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V
  • 6 constant current sinks with high precision:
    • 0.1mA-50mA per current sink when VCC ≥ 3.3V
    • Device-to-device error: ±3% when channel current = 50mA
    • Channel-to-channel error: ±3% when channle current = 50mA
    • Phase-shift for balanced transient power
  • Ultra-low power consumption:
    • Shutdown mode: ICC ≤ 1µA when EN = Low
    • Standby mode: ICC ≤ 10µA when EN = High and CHIP_EN = 0 (data retained)
    • Active mode: ICC = 4.2mA (typ.) when channel current = 5mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 7-step Maximum Current (MC) setting for all LED dots
      • 3 groups of 7-bit Color Current (CC) RGB setting
      • Individual 8-bit Dot Current (DC) setting for each LED dot
    • PWM dimming with audible-noise-free frequency
      • Global 8-bit PWM dimming for all LED dots
      • 3 programmable groups of 8-bit PWM dimming for LED dot arbitrary mapping
      • Individual 8-bit or 16-bit PWM dimming for each LED dot
  • Full addressable SRAM to minimize data traffic
  • Individual LED dot open/short detection
  • De-ghosting and low brightness compensation
  • Interface options:
    • 1MHz (max.) I2C interface when IFS = Low
    • 12MHz (max.) SPI interface when IFS = High

  • LED matrix topology:

    • 6 constant current sinks with 7 scan switches for 42 LED dots
    • Configurable for 1 to 7 scan switches

  • Operating voltage range:
    • VCC/VLED range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V
  • 6 constant current sinks with high precision:
    • 0.1mA-50mA per current sink when VCC ≥ 3.3V
    • Device-to-device error: ±3% when channel current = 50mA
    • Channel-to-channel error: ±3% when channle current = 50mA
    • Phase-shift for balanced transient power
  • Ultra-low power consumption:
    • Shutdown mode: ICC ≤ 1µA when EN = Low
    • Standby mode: ICC ≤ 10µA when EN = High and CHIP_EN = 0 (data retained)
    • Active mode: ICC = 4.2mA (typ.) when channel current = 5mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 7-step Maximum Current (MC) setting for all LED dots
      • 3 groups of 7-bit Color Current (CC) RGB setting
      • Individual 8-bit Dot Current (DC) setting for each LED dot
    • PWM dimming with audible-noise-free frequency
      • Global 8-bit PWM dimming for all LED dots
      • 3 programmable groups of 8-bit PWM dimming for LED dot arbitrary mapping
      • Individual 8-bit or 16-bit PWM dimming for each LED dot
  • Full addressable SRAM to minimize data traffic
  • Individual LED dot open/short detection
  • De-ghosting and low brightness compensation
  • Interface options:
    • 1MHz (max.) I2C interface when IFS = Low
    • 12MHz (max.) SPI interface when IFS = High

Electronic devices are becoming smarter, requiring to use larger quantity of LEDs for animation and indication purposes and high performance LED matrix driver is required to improve user experience with small solution size.

The LP5867 is a high performance LED matrix drivers. The devices integrate 6 constant current sinks with N (N = 7) switching MOSFETs to support N × 6 LED dots or N × 2 RGB LEDs. The LP5867 integrates 7 MOSFETs for up to 42 LED dots or 14 RGB LEDs.

The LP5867 supports both analog dimming and PWM dimming methods. For analog dimming, each LED dot can be adjusted with 256 steps. For PWM dimming, the integrated 8-bit or 16-bit configurable PWM generators enable smooth and audible-noise-free dimming control. Each LED dot can also be arbitrarily mapped into 8-bit Group PWM to achieve dimming control together.

The LP5867 device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5867 also supports LED open and short detection functions. Both 1MHz (maximum) I2C and 12MHz (maximum) SPI are available in LP5867.

Electronic devices are becoming smarter, requiring to use larger quantity of LEDs for animation and indication purposes and high performance LED matrix driver is required to improve user experience with small solution size.

The LP5867 is a high performance LED matrix drivers. The devices integrate 6 constant current sinks with N (N = 7) switching MOSFETs to support N × 6 LED dots or N × 2 RGB LEDs. The LP5867 integrates 7 MOSFETs for up to 42 LED dots or 14 RGB LEDs.

The LP5867 supports both analog dimming and PWM dimming methods. For analog dimming, each LED dot can be adjusted with 256 steps. For PWM dimming, the integrated 8-bit or 16-bit configurable PWM generators enable smooth and audible-noise-free dimming control. Each LED dot can also be arbitrarily mapped into 8-bit Group PWM to achieve dimming control together.

The LP5867 device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5867 also supports LED open and short detection functions. Both 1MHz (maximum) I2C and 12MHz (maximum) SPI are available in LP5867.
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Technical documentation

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* Data sheet LP5867 7 × 6 LED Matrix Driver with 8-Bit Analog and 8-Bit or 16-Bit PWM Dimming datasheet (Rev. A) PDF | HTML 14 Apr 2024
Certificate LP5867WCSPEVM EU Declaration of Conformity (DoC) 26 Feb 2024

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Evaluation board

LP5867WCSPEVM — LP5867 evaluation module

The LP5867 device is a small, high-performance design, integrating six constant current sinks with seven switching MOSFETs, driving up to 42 LED dots or 14 RGB LED pixels. Every LED dot is supported by 8-bit analog and 8-bit, or 16-bit, configurable PWM dimming methods, providing smooth (...)

User guide: PDF | HTML
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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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