MIC2289-34YML_TR Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip MIC2289-34YML_TR is an LED driver capable of driving up to 8 LED digits from a 2.5 V to 10 V supply, integrating a boost converter and current regulation in a compact 8-pin MLF package for efficient display backlighting. From $1.20 in stock worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Drives up to 8 LED digits with integrated boost converter operating from 2.5 V to 10 V, enabling efficient LCD backlight and segment display control across wide input ranges
- Regulated LED current output minimizes brightness variation across supply voltage changes, ensuring consistent display luminance in portable and automotive applications
- 8-pin MLF package with small footprint simplifying PCB layout for space-constrained LED driver designs with reduced external component count
Applications
The MIC2289-34YML_TR is designed for handheld instruments, portable meters, and automotive displays requiring an efficient LED driver that operates across a 2.5 V to 10 V input range. Its integrated boost converter and 8-digit drive capability reduce external component count in battery-powered devices where board space and power efficiency are critical. The 8-pin MLF package supports compact module designs for LCD backlight strings, 7-segment numeric displays, and indicator panels.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MIC2289-34YML_TR:
suggested
Frequently Asked Questions
What supply voltage range does the MIC2289-34YML_TR support, and how does this affect battery-powered design?
The MIC2289-34YML_TR operates from 2.5 V to 10 V, covering single-cell Li-ion batteries (3.0 V to 4.2 V) and 5 V regulated rails as well as automotive 12 V systems with appropriate input conditioning. This wide 2.5 V to 10 V range allows a single driver design to serve portable and vehicle-mounted display products without redesigning the power section.
How many LED digit outputs can the MIC2289-34YML_TR drive simultaneously, and what display configurations does this support?
The MIC2289-34YML_TR drives up to 8 LED digits, which is sufficient for an 8-digit numeric display or two separate 4-digit panels. For 7-segment numeric readouts, 8 digits provide 8 characters of simultaneous display, covering most odometer, frequency counter, and measurement instrument readout requirements without cascading multiple driver ICs.
Why is the 8-pin MLF package of the MIC2289-34YML_TR advantageous compared to larger LED driver packages in a compact instrument design?
The 8-pin MLF (Micro Lead Frame) package occupies approximately 3 mm x 3 mm of PCB area, significantly less than a SOIC-8 or DIP-8 package. In handheld instruments and wearable displays where the total PCB is under 50 mm x 50 mm, using the MLF package saves several square millimeters, leaving room for additional passive components or a larger battery, while the exposed pad improves thermal dissipation during continuous LED drive operation.
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