LP5569 Series
Nine-channel I2C RGB LED driver with engine control and charge pump
Manufacturer: Texas Instruments
Catalog(1 parts)
| Part | Supplied Contents | Outputs and Type | Outputs and Type▲▼ | Voltage - Input▲▼ | Voltage - Input▲▼ | Features | Utilized IC / Part | Current - Output / Channel▲▼ |
|---|---|---|---|---|---|---|---|---|
Board(s) | Non-Isolated | 9 ul | 2.5 V | 5.5 V | Dimmable | LP5569 | 0.02549999952316284 A |
Key Features
• Supply Voltage Range: 2.5 V–5.5 VNine High-Accuracy Current Sinks25.5 mA Maximum per Channel8-Bit Individual Current Control12-Bit 20-kHz Internal Individual PWM Control Without Audio NoiseThree Programmable LED EnginesIndependent Illumination Control Without Active Microcontroller ControlSynchronization Among Multiple DevicesUp to 256 Instructions in SRAM Memory for Storing Sequences of Lighting PatternsLP5523- and LP55231-Device-Compatible Command SetFlexible Dimming ControlI2C Dimming ControlPWM Direct-Input DimmingPWM Input Frequency: 100-Hz to 20-kHzAdaptive High-Efficiency Charge-Pump Control for Driving High-VFLEDs With Low Battery VoltageMaster Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are InactivePOR, UVLO, and TSD ProtectionSupply Voltage Range: 2.5 V–5.5 VNine High-Accuracy Current Sinks25.5 mA Maximum per Channel8-Bit Individual Current Control12-Bit 20-kHz Internal Individual PWM Control Without Audio NoiseThree Programmable LED EnginesIndependent Illumination Control Without Active Microcontroller ControlSynchronization Among Multiple DevicesUp to 256 Instructions in SRAM Memory for Storing Sequences of Lighting PatternsLP5523- and LP55231-Device-Compatible Command SetFlexible Dimming ControlI2C Dimming ControlPWM Direct-Input DimmingPWM Input Frequency: 100-Hz to 20-kHzAdaptive High-Efficiency Charge-Pump Control for Driving High-VFLEDs With Low Battery VoltageMaster Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are InactivePOR, UVLO, and TSD Protection
Description
AI
The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.
A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.
The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.
The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.
A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.
The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.