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Product Detailed Parameters
- Description：IC LED DRIVER PS 100MA 48QFN
- Series：THine®
- Mfr：CEL
- Package：Bulk
- Type：Power Switch
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：24
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：35V
- Current - Output / Channel：100mA
- Frequency：10MHz
- Dimming：-
- Applications：Backlight, Signage
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (7x7)
- Grade：-
- Qualification：-
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Overview
The THL3502-B is a 24-channel LED driver manufactured by CEL, housed in a 48-pin QFN package. It features open-drain outputs capable of sourcing 100 mA each, with a maximum supply voltage of 5.5 V and output voltage up to 35 V. The device includes an embedded oscillator and PWM controller for individual brightness control across 256 steps. It operates within a temperature range of -40°C to 85°C and supports LVDS interface communication.
Feature Summary
- Provides 24 independent open-drain channels for LED driving applications
- Integrates embedded oscillator and PWM controller for precise brightness regulation
- Supports LVDS interface for high-speed data transmission
Applications
- LED backlight systems
- Digital signage displays
Procurement Notes
Verify the specific suffix 'B' against the manufacturer's current datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the 48-QFN package dimensions align with your PCB footprint. Confirm operating temperature range suitability for your environmental conditions before finalizing procurement.
Selection Notes
Select this component when a high-density LED driver with individual channel control is required. The 24-channel configuration suits complex display arrays. Verify that the 100 mA per channel output current meets the load requirements. Consider the LVDS interface compatibility with your host controller for signal integrity.
Part Context
This part belongs to the THL3502 series of LED drivers from CEL. It is designed for applications requiring multiple independently controlled LED channels. The series typically integrates control logic and power switching in a compact surface-mount package, suitable for space-constrained electronic devices.
Replacement Considerations
Consult official substitution lists for equivalent 24-channel LED drivers with similar output current and package specifications. Verify functional compatibility regarding interface protocols and electrical ratings before replacing.
