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Product Detailed Parameters
- Description：IC LED DRVR CTRLR PWM 16ETSSOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：2
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：33V
- Voltage - Output：53V
- Current - Output / Channel：360mA
- Frequency：520kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-eTSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32BL3552-ZLA3-TR is a boost-type LED driver IC manufactured by Lumissil Microsystems. It features two independent current source channels and operates with a fixed switching frequency of 1 MHz. The device supports an input voltage range up to 33 V and delivers a maximum output current of 360 mA per channel. Designed for automotive applications, it complies with AEC-Q100 standards. The component is housed in a 16-pin eTSSOP package and includes internal PWM dimming control capabilities.
Feature Summary
- Boost topology with dual-channel constant current sources
- Automotive-grade reliability compliant with AEC-Q100 standards
- Integrated PWM dimming functionality for brightness control
Applications
- Automotive exterior lighting systems
- Interior ambient illumination circuits
- General-purpose high-brightness LED arrays
Procurement Notes
Verify the specific suffix ZLA3-TR against official Lumissil documentation to confirm package type and tape-and-reel specifications. Confirm that the component meets required automotive qualification standards for your specific application environment. Check for any recent product change notifications or lifecycle status updates from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a boost converter topology is required for driving LEDs from a lower supply voltage. Ensure the design accommodates the 33 V maximum rating and 360 mA current capability. Verify compatibility with the 16-pin eTSSOP footprint during PCB layout. Consider thermal management requirements given the power dissipation characteristics of the chosen operating conditions.
Part Context
This part belongs to the IS32BL series of LED lighting drivers from Lumissil Microsystems. The series focuses on automotive-grade solutions with integrated power switches and control logic. Similar parts in the lineup may offer different channel counts or linear topologies, but this specific model is defined by its boost architecture and dual-channel output structure.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Lumissil Microsystems directly for qualified alternatives or cross-reference options based on specific electrical and mechanical constraints.
