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Product Detailed Parameters
- Description：IC LED DRVR CTRL PWM 140MA 24QFN
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：SEPIC, Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：6
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：40V
- Voltage - Output：4.05V ~ 4.45V
- Current - Output / Channel：140mA
- Frequency：200kHz ~ 2.15MHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-QFN (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A80602KESJSR-1 is an LED lighting driver IC from Allegro MicroSystems, designed as a wide input voltage range boost/SEPIC controller with integrated LED drivers. It features six output channels capable of delivering up to 140 mA per channel. The device operates within an input voltage range of 4.5 V to 40 V and supports switching frequencies from 260 kHz to 2.3 MHz. Packaged in a 24-QFN (4x4) format, it is rated for automotive applications with an operating temperature range of -40°C to +125°C.
Feature Summary
- Supports Boost and SEPIC topologies for flexible LED string configurations
- Integrates analog and PWM dimming capabilities for precise brightness control
- Includes internal regulation providing stable output voltage between 4.05 V and 4.45 V
- Complies with AEC-Q100 standards for automotive reliability
Applications
- Automotive exterior lighting systems
- Interior ambient LED illumination
- Backlighting for medium-size displays
- General LED lighting fixtures requiring wide input voltage tolerance
Procurement Notes
Verify the specific suffix '-1' against the official datasheet to confirm pinout or functional differences from the base A80602 model. Ensure the ordering quantity aligns with manufacturer reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly planning.
Selection Notes
Select this component when designing circuits requiring six independent LED channels with high current capability. The wide input voltage range suits battery-powered or alternator-fed automotive environments. Consider the 24-QFN package constraints for thermal management and PCB layout space availability.
Part Context
This part belongs to the A80602 series of LED drivers from Allegro MicroSystems. It shares architectural similarities with other members like the A80604 and A80605 but differs in output count and current ratings. The series is targeted at automotive and industrial lighting markets demanding robust power management solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing electrical parameters and pin assignments with alternative models from the same manufacturer family.
