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LP5523

現行

具內部程序記憶體和整合式充電泵的 9 通道 RGB/白光 LED 驅動器 - DSBGA

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產品規格表

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功能與所比較的裝置相似
LP5813 現行 具備 I2C 和自動動畫控制的同步升壓 4 x 3 矩陣 RGB LED 驅動器 Newer device with sync boost, lower IQ and smaller size

LP5523

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 9 LED current per channel (mA) 25.5 LED configuration Parallel Program memory Yes Topology Charge pump Programmable ramp control Yes Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.225 Features Analog/PWM mixed dimming, Constant current, Current control, I2C control, Power-save mode, Programmable lighting engines Iq (typ) (mA) 0.8 Shutdown current (ISD) (typ) (µA) 0.2 Operating temperature range (°C) -30 to 85 Rating Catalog
Number of channels 9 LED current per channel (mA) 25.5 LED configuration Parallel Program memory Yes Topology Charge pump Programmable ramp control Yes Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.225 Features Analog/PWM mixed dimming, Constant current, Current control, I2C control, Power-save mode, Programmable lighting engines Iq (typ) (mA) 0.8 Shutdown current (ISD) (typ) (µA) 0.2 Operating temperature range (°C) -30 to 85 Rating Catalog
DSBGA (YFQ) 25 4.84 mm² 2.2 x 2.2
  • Three Independent Program Execution Engines, Nine Programmable Outputs with 25.5-mA Full-Scale Current, 8-Bit Current Setting Resolution, and 12-Bit PWM Control Resolution
  • Adaptive High-Efficiency 1×/1.5× Fractional Charge Pump - Efficiency Up to 94%
  • LED Drive Efficiency Up to 93%
  • Charge Pump With Soft Start and Overcurrent and Short-Circuit Protection
  • Built-in LED Test
  • 200-nA Typical Standby Current
  • Automatic Power-Save Mode
    IVDD = 10 µA (Typical)
  • Two-Wire I2C-Compatible Control Interface
  • Flexible Instruction Set
  • Large SRAM Program Memory
  • Small Application Circuit
  • Source (High-Side) Drivers
  • Architecture Supports Color Control
  • Three Independent Program Execution Engines, Nine Programmable Outputs with 25.5-mA Full-Scale Current, 8-Bit Current Setting Resolution, and 12-Bit PWM Control Resolution
  • Adaptive High-Efficiency 1×/1.5× Fractional Charge Pump - Efficiency Up to 94%
  • LED Drive Efficiency Up to 93%
  • Charge Pump With Soft Start and Overcurrent and Short-Circuit Protection
  • Built-in LED Test
  • 200-nA Typical Standby Current
  • Automatic Power-Save Mode
    IVDD = 10 µA (Typical)
  • Two-Wire I2C-Compatible Control Interface
  • Flexible Instruction Set
  • Large SRAM Program Memory
  • Small Application Circuit
  • Source (High-Side) Drivers
  • Architecture Supports Color Control

The LP5523 is a 9-channel LED driver designed to produce lighting effects for mobile devices. A high-efficiency charge pump enables LED driving over full Li-Ion battery voltage range. The device is equipped with an internal program memory, which allows operation without processor control.

The LP5523 maintains excellent efficiency over a wide operating range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements. The LP5523 is able to automatically enter power-save mode when LED outputs are not active, thus lowering idle current consumption down to 10 µA (typical).

The LP5523 has an I2C-compatible control interface with four pin selectable addresses. The device has a flexible general purpose output (GPO), which can be used as a digital control pin for other devices. INT pin can be used to notify processor when a lighting sequence has ended (interrupt function). Also, the device has a trigger input interface, which allows synchronization, for example, between multiple LP5523 devices.

The device requires only four small, low-cost ceramic capacitors. The LP5523 is available in a tiny 25-pin DSBGA package (0.4-mm pitch).

For all available packages, see the orderable addendum at the end of the data sheet.

The LP5523 is a 9-channel LED driver designed to produce lighting effects for mobile devices. A high-efficiency charge pump enables LED driving over full Li-Ion battery voltage range. The device is equipped with an internal program memory, which allows operation without processor control.

The LP5523 maintains excellent efficiency over a wide operating range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements. The LP5523 is able to automatically enter power-save mode when LED outputs are not active, thus lowering idle current consumption down to 10 µA (typical).

The LP5523 has an I2C-compatible control interface with four pin selectable addresses. The device has a flexible general purpose output (GPO), which can be used as a digital control pin for other devices. INT pin can be used to notify processor when a lighting sequence has ended (interrupt function). Also, the device has a trigger input interface, which allows synchronization, for example, between multiple LP5523 devices.

The device requires only four small, low-cost ceramic capacitors. The LP5523 is available in a tiny 25-pin DSBGA package (0.4-mm pitch).

For all available packages, see the orderable addendum at the end of the data sheet.
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類型 標題 日期
* Data sheet LP5523 Nine-Channel RGB- and White-LED Driver With Internal Program Memory and Integrated Charge Pump – DSBGA Package datasheet (Rev. E) PDF | HTML 2017年 1月 24日
White paper Common LED Functions and LED Driver Design Considerations 2020年 9月 21日
Application note How to Select a RGB LED Driver 2019年 8月 8日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note LP5523 Evaluation Kit (Rev. E) 2015年 12月 9日
Application note AN-2227 LP5523 Evaluation Kit 2012年 6月 21日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LP5523EVM — LP5523 可編程 9 輸出 LED 驅動器評估模組

The LP5523 is a fully integrated lighting management unit for producing lighting effects for mobile devices. The LP5523 includes all necessary power management, high-side current sources, temperature compensation, two wire (I2C compatible) control interface and programmable pattern generators. The (...)

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驅動程式或資料庫

LP5523SW-LINUX — 適用於 LP5523 的 Linux 驅動程式

The Linux driver supports the LP5523 series of LED Drivers. The Linux driver supports communication through the I2C bus and interfaces with the LED sub-system.

 

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

  • lp5523
  • lp55231

 

Linux Source Files

(...)

View Options
開發模組 (EVM) 的 GUI

SNVC151 — LP5523 Evaluation Software

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產品
RGB LED 驅動器
LP5523 — 具內部程序記憶體和整合式充電泵的 9 通道 RGB/白光 LED 驅動器 - DSBGA
硬體開發
開發板
LP5523EVM — LP5523 可編程 9 輸出 LED 驅動器評估模組
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參考設計

TIDA-050013 — 適合於電池供電應用的超小型 RGB LED 動畫解決方案參考設計

此參考設計是一款適用於電池供電應用的 2cm x 2cm RGB LED 動畫解決方案，採用了 LP5523 和 MSP430FR2111 裝置。LP5523 裝置是一款具有可編程控制引擎的 LED 驅動器，採用了 DSBGA 封裝。LP5523 可為必須安裝在極小 PCB 中的應用提供生動的照明圖案。此設計在使用有限 MCU 資源的同時展現了完整功能。
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YFQ) 25 Ultra Librarian
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