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Overview
| Topology | Buck Converter |
| Input voltage | 2-5 V |
| Output 1 | 5.5 V / 0.07 A |
| IC revision | 1 |
Description
The DIODES™ AL5887 is comprised of 36 programmable LED current channels each with internal 12-bit PWM for color and brightness control through SPI or I2C digital interface. AL5887 is ideal for up to 12 RGB LED modules lighting applications with 3 programmable banks (A, B, C) for software control of each color. An external resistor can set up the global output current of all 36 channels. Each channel current can digitally be configured up to 70mA under the thermal limitation of the package.Features of the AL5887 are controlled via SPI/I2C digital interface. Using a dedicated pin INT_SEL to select either SPI or I2C protocols. The AL5887 has a 30kHz, 12-bit PWM generator for each channel, as well as channel/module independent color mixing and brightness control registers to enable vivid LED effects with zero audible noise. Users can benefit from the device’s ultra-low shutdown IQ Power Saving Mode and easy software programming.
Features
- Input Voltage: 2.7V to 5.5V
- 36 Precision LED Current Sinks
- OUT Pins Voltage Max. 5.5V
- A Maximum of up to 70mA per Channel Current
- Device to Device and Channel to Channel Current Accuracy: < 2% at 7mA to 70mA, and < 3.5% at 1mA to 7mA
- 12-Bit (4096 Steps), 30kHz PWM Generator Integrated for Each Channel
- PWM Phase Shifting
- 6-Bit Global Current Dimming
- Independent Color-Mixing Register per Channel
- Independent Brightness Control Register per RGB Module
- Optional Logarithmic- or Linear-Scale Brightness Control
- Three Programmable Banks (A, B, C) Serial Digital Interface (I2C/SPI)
- Support 400kHz I2C Interface (Default)
- Two External Hardware Address Pins Allow Connecting up to Four Devices (I2C Only)
- 4MHz SPI Compatible Digital Interface (INT_SEL Pin = HIGH)
- Broadcast Slave Address Allows Configuring Multiple Devices Simultaneously
- Auto-Increment Allows Writing or Reading Consecutive Registers Within One Transmission
- Diagnosis and Protections
- Open Drain Fault Pin for Fault Indication
- Individual LED Channel Open/Short Detection
- Pre-UVLO Warning & Undervoltage Lockout (UVLO)
- Overtemperature Protection (OTP) with Pre-OTP Warning
- Digital POR Indicator
- Individual Channel Fault Masking
- Ultra-Low Quiescent Current:
- Shutdown Mode: 1μA (Max.) When EN Low > 25ms
- Power-Saving Mode: 15μA (Max.) When EN High and All LEDs Off for > 30ms
- Totally Lead-Free & Fully RoHS Compliant (Notes 1& 2)
- Halogen and Antimony Free. “Green” Device (Note 3)For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative.
Typical applications
- Infotainment displays, Electric vehicle charging stations
- Smart home appliances
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Application | Interface Type | Mount | Working Voltage (V (DC)) | Pins (Value) (pcs) | Rows | H (mm) | G (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150080VS75000 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | 0805 | -40 °C up to +85 °C | – | – | – | 2 | 1.25 | – | – | – | SMT | – | – | – | 0.7 | – | – | – | – | Tape and Reel | ||
 | 885012207009 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | 2.2 nF | ±10% | 10 | 0805 | -55 °C up to +125 °C | 5 | 10 GΩ | X7R Class II | 2 | 1.25 | 0.5 | – | – | – | – | – | – | 0.8 | – | – | – | – | 7" Tape & Reel | ||
 | 632723100011 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | – | – | – | USB 3.1 | Type C | THR | 20 | 24 | – | – | 1.5 | Receptacle | Horizontal | 5 | Tape and Reel | |
 | 61300411121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 10.16 | – | – | – | – | THT | 250 | 4 | Single | – | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150080VS75000 | SPEC | |
| 885012207009 | SPEC | |
| 632723100011 | SPEC | – |
| 61300411121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Application | Interface Type | Mount | Working Voltage (V (DC)) | Pins (Value) (pcs) | Rows | H (mm) | G (mm) | Gender | Type | IR (A) | Packaging | Samples |
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