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Product Detailed Parameters
- Description：WIDE INPUT VOLTAGE RANGE BOOST/S
- Series：-
- Mfr：Allegro MicroSystems
- Package：Bulk
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：6
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：140mA
- Frequency：260kHz ~ 2.3MHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-QFN (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A80605KESJSR-1 is an LED lighting driver IC from Allegro MicroSystems, designed for wide input voltage range applications. It functions as a Boost/SEPIC controller with integrated LED drivers. The device features six output channels capable of delivering up to 140 mA per channel. It operates within an input voltage range of 4.5 V to 40 V and supports switching frequencies between 260 kHz and 2.3 MHz. The component is housed in a 24-QFN package and is rated for automotive-grade operation with an operating temperature range of -40°C to +125°C.
Feature Summary
- Supports Boost and SEPIC topologies for flexible LED string configurations
- Integrates six independent LED driver channels for multi-zone control
- Enables analog and PWM dimming capabilities for brightness adjustment
Applications
- Automotive exterior lighting systems
- LED backlighting modules
- General LED illumination circuits requiring wide input voltage tolerance
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and functional variations. Ensure compatibility with required thermal management solutions for the QFN-24 package. Confirm RoHS compliance status through manufacturer documentation before integration into regulated assemblies.
Selection Notes
Select this component when designing circuits requiring six-channel LED drive capability with wide input voltage flexibility. Consider the 24-QFN package constraints for PCB layout. Evaluate thermal performance requirements given the 125°C maximum junction temperature rating and integrated driver architecture.
Part Context
This part belongs to the A80605 series of LED drivers from Allegro MicroSystems. It is specifically engineered for automotive and industrial lighting applications where reliability under varying input conditions is critical. The series integrates control logic and power stages to simplify system design.
Replacement Considerations
Check for A80605KESJSR or other variants within the A80605 family for potential pin-compatible alternatives. Verify electrical specifications and package dimensions match before substitution.
