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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 84MA 28ETSSOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：8
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：84mA
- Frequency：1MHz
- Dimming：PWM
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-eTSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32FL3738-ZLA3-TR is a general-purpose 6x8 dot matrix LED driver manufactured by Lumissil Microsystems. It features an I2C-compatible interface for programming and supports a 1/12 cycle rate. The device operates within an automotive-grade AEC-Q100 qualification range, ensuring reliability in demanding environments. It provides linear constant current output with PWM dimming capabilities, suitable for precise brightness control in display applications.
Feature Summary
- Supports 6x8 dot matrix LED configurations with integrated linear drivers
- Programmable via standard I2C compatible serial interface
- Automotive grade qualification compliant with AEC-Q100 standards
- Enables smooth brightness adjustment through internal PWM dimming
Applications
- Automotive interior ambient lighting displays
- Vehicle instrument cluster indicators
- General purpose dot matrix visual signaling
- Dashboard status information panels
Procurement Notes
Verify the specific suffix ZLA3 against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure the design accounts for the 1/12 duty cycle requirements when calculating average current. Confirm that the target application environment meets the specified operating temperature range for automotive grade components before finalizing procurement.
Selection Notes
Select this component when a compact solution for small dot matrix displays is required in automotive or industrial settings. The I2C interface simplifies microcontroller integration compared to parallel interfaces. Consider the thermal performance of the eTSSOP-28 package if driving multiple LEDs simultaneously at high currents. Verify compatibility with the system's I2C bus voltage levels and pull-up resistor requirements.
Part Context
This part belongs to Lumissil's IS32FL series of LED matrix drivers designed for display applications. Unlike simple channel drivers, it integrates the necessary logic for multiplexed scanning. The family focuses on reducing external component count by integrating drivers and control logic into a single package, streamlining PCB layout for matrix displays.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Check Lumissil's official obsolescence notices for potential end-of-life status. If replacing, ensure the new component matches the 6x8 matrix topology and I2C communication protocol to maintain software compatibility.
