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MBI5124GP-B
MBI5124GP-B
| Part Number | MBI5124GP-B |
|---|---|
| Manufacturer | Macroblock, Inc. |
| Category | Integrated Circuits (ICs) > PMIC – LED Drivers |
| Description | 16-channel constant current LED driver with built-in ghosting elimination, adopting PrecisionDrive™ technology, low knee voltage, and ultra-precise programmable output current matching between channels and chips. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The MBI5124GP-B is a 16-channel constant current LED driver by Macroblock, optimized for high-performance LED display walls and matrix lighting. Built with proprietary PrecisionDrive™ and Share-I-O™ architecture, it directly replaces traditional constant-current drivers while eliminating screen ghosting and uneven brightness. Equipped with a 16-bit shift register and data latches, it converts serial input to parallel outputs. Staggered output delay design suppresses EMI, and low knee voltage cuts power consumption and heat. Housed in compact SSOP24 packaging, it supports 3.3V/5V logic power and a 25MHz maximum clock rate, ideal for fine-pitch indoor screens, outdoor billboards and high-density stage panels.
Core Advantages
PrecisionDrive™ Ultra Uniform Current Output
Features strict channel-to-channel matching (±1.5% typical, ±2.5% max) and chip-to-chip matching (±1.5% typical, ±3.0% max), delivering consistent brightness across full LED panels without hotspots.
Low Knee Voltage for Low Power Dissipation
Low output knee voltage reduces system power loss and heat generation, extending the service life of LED display equipment and lowering cooling design requirements.
Built-in Ghosting Elimination Circuitry
Integrated pre-charge discharge circuit clears residual parasitic charges during blanking periods, completely eliminates ghosting and trailing shadow artifacts on fine-pitch LED matrix screens.
EMI Suppression & Fast Signal Response
Staggered output delay reduces electromagnetic interference; minimum 50ns OE fast current response ensures stable grayscale display under high refresh rate.
Key Specifications
| Brand | Macroblock (MBI) |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free Green Packaging Material |
| EDA/CAD Model | 3D Model & PCB Footprint available upon request |
| Warranty | 1-Year Standard Factory Warranty |
| Package / Case | SSOP24 (Shrink Small Outline Package – 24 Pin, 0.64mm pitch, 3.9mm body width) |
| Mounting Type | Surface Mount Technology (SMD/SMT) |
| Surface Marking / Silkscreen | MBI5124GP / Macroblock Logo, Internal Wafer Tracking Lot ID, and Date Code Matrix |
| Number of Outputs | 16 Constant Current Sink Channels |
| Output Current Range | 1 mA to 25 mA @ VDD=5V; 1mA to 10mA @ VDD=3.3V (Adjustable via external resistor Rext) |
| Output Sustaining Voltage (VDS) | 17 V Maximum Rating |
| Supply Voltage Range (VDD) | 3.3 V to 5.0 V DC (Absolute max 3.0V~5.5V) |
| Data Clock Frequency (fCLK) | 25 MHz Maximum Serial Input Clock Speed |
| Channel-to-Channel Accuracy | ±1.5% Typical, ±2.5% Maximum |
| Chip-to-Chip Accuracy | ±1.5% Typical, ±3.0% Maximum |
| OE Output Response Time | Minimum 50ns |
| Input Feature | Schmitt Trigger Input for stable signal transmission, CMOS dual logic compatible |
| Operating Temperature Range | -40°C to +85°C (Industrial Class Stability Window) |
| Storage Temperature Range | -55°C ~ +125°C |
| Grayscale Control Mode | External 16-bit PWM grayscale control |
| Data Interface Architecture | Serial-In Parallel-Out (SIPO) shift register, support unlimited daisy-chain cascading |
| Core Proprietary Technology | PrecisionDrive™ + Share-I-O™ |
| Built-in Function Module | Ghost elimination pre-charge discharge circuit, staggered output delay EMI suppression, over-temperature thermal shutdown |
| Current Configuration Pin | Single R-EXT reference pin for global channel current adjustment |
| Moisture Sensitivity Level | MSL-3, 168-hour floor life |
| Standard Packing Spec | 4000 pieces per 13-inch tape & reel |
| Input Timing Hold Time | Minimum 5ns data hold timing |
Typical Applications
- Fine-Pitch Indoor LED Video Displays, Studio Screens, and Command Center Display Walls
- Outdoor Advertising Electronic Billboards, Sports Stadium Perimeters, and Traffic Message Signs
- Rental Stage Backdrops, Concert LED Panels, and Immersive Exhibition Video Scenery
- Variable Message Signs (VMS), Architectural Contour Lighting, and Decorative LED Matrix
- High-Density Matrix Smart Lighting, Commercial LED Screen Backlight Units
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your current stock of the MBI5124GP-B 100% genuine and original factory stock?
A: Yes, we guarantee that all MBI5124GP-B components in our warehouse are 100% brand-new, factory-original parts directly from Macroblock, Inc. Every batch is completely traceable, audited under rigorous quality controls, and packed in antistatic tubes or reels inside moisture-sealed bags.
Q2: What core technical advantages does MBI5124GP-B have over traditional LED constant current drivers?
A: MBI5124GP-B integrates PrecisionDrive™, Share-I-O™ and built-in ghost elimination circuit. It adopts staggered output delay to lower EMI, fast 50ns OE response, and ultra-precise channel current matching, solving ghosting, brightness unevenness and flicker issues of conventional driver ICs.
Q3: How do I select the right external resistor value to configure the constant output current?
A: The output constant current magnitude is determined by an external reference resistor (Rext) connected to the R-EXT pin of the IC. You can calculate the exact resistance using the formula provided in the official technical datasheet, matching Rext value to target output current range (1~25mA@5V / 1~10mA@3.3V).
Q4: How can our design engineers obtain official datasheet updates, schematic footprint symbols, or custom wholesale volume prices?
A: Please fill out our Quick Inquiry web form on this page with your project parameters. Our dedicated technical support desk will review your inquiry and forward the necessary technical data pack and quotes within 24 hours.
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