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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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LP5018 Datenblatt(PDF) 1 Page - Texas Instruments |
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LP5018 Datenblatt(HTML) 1 Page - Texas Instruments |
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1 / 59 page  LP50xx 18-, 24-Channel, 12-Bit, PWM Ultralow-Quiescent-Current, I2C RGB LED Drivers 1 Features • Operating voltage range: – VCC range: 2.7V to 5.5V – EN, SDA, and SCL pins compatible with 1.8V, 3.3V, and 5V power rails – Output maximum voltage: 6V • 24 constant-current sinks with high precision – 25.5mA maximum per channel with VCC in full range – 35mA maximum per channel when VCC ≥ 3.3V – Device-to-device error: ±7%; channel-to- channel error: ±7% • Ultralow quiescent current: – Shutdown mode: 1µA (maximum) with EN low – Power saving mode: 10µA (typical) with EN high and all LEDs off for > 30ms • Integrated 12-bit, 29kHz PWM generator for each channel: – Independent color-mixing register per channel – Independent brightness-control register per RGB LED module – Optional logarithmic- or linear-scale brightness control – Integrated 3-phase PWM-shifting scheme • 3 programmable banks (R, G, B) for easy software control of each color • 2 external hardware address pins allow connecting up to 4 devices • Broadcast slave address allows configuring multiple devices simultaneously • Auto-increment allows writing or reading consecutive registers within one transmission • Up to 400kHz fast-mode I2C speed 2 Applications LED lighting, indicator lights, and fun lights for: • Smart speaker (with voice assistant) • Smart home appliances • Video doorbell • Electronic smart lock • Smoke and heat detector • STB and DVR • Smart router • Handheld device 3 Description In smart homes and other applications that use human-machine-interaction, high-performance RGB LED drivers are required. LED animation effects such as flashing, breathing, and chasing greatly improve user experience, and minimal system noise is essential. The LP50xx device is an 18- or 24-channel constant current sink LED driver. The LP50xx device includes integrated color mixing and brightness control, and pre-configuration simplifies the software coding process. Integrated 12-bit, 29kHz PWM generators for each channel enable smooth, vivid color for LEDs, and eliminate audible noise. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LP5024 VQFN (32) 4.00mm × 4.00mm LP5018 VQFN (32) 4.00mm × 4.00mm VSSOP (28) 7.30mm × 3.00mm (1) For all available packages, see the orderable addendum at the end of the data sheet. EN SDA SCL OUT0 OUT1 OUT23 MCU VCC GND LP5024 ADDR0 OUT2 VLED IREF OUT22 OUT21 VCAP ADDR1 CVCAP RIREF VMCU VCC CVCC Simplified Schematic LP5018, LP5024 SLVSEB8C – OCTOBER 2018 – REVISED JULY 2024 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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Ähnliche Beschreibung - LP5018 |
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