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A80606KEVJSR
Allegro MicroSystems
IC LED DRV RGLTR PWM 180MA 48QFN
2289 Pcs New Original In Stock
LED Driver IC 6 Output DC DC Regulator SEPIC, Step-Up (Boost) Analog, PWM Dimming 180mA 48-QFN-EP (7x7)
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5.0 / 5.0
- (81 Ratings)
A80606KEVJSR
Product Overview
9512464
DiGi Electronics Part Number
A80606KEVJSR-DGManufacturer
Allegro MicroSystems
A80606KEVJSR
Description
IC LED DRV RGLTR PWM 180MA 48QFNInventory
2289 Pcs New Original In Stock
LED Driver IC 6 Output DC DC Regulator SEPIC, Step-Up (Boost) Analog, PWM Dimming 180mA 48-QFN-EP (7x7)
Quantity
Minimum 1
Minimum 1
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A80606KEVJSR Technical Specifications
Category
Power Management (PMIC), LED Drivers
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Type
DC DC Regulator
Topology
SEPIC, Step-Up (Boost)
Internal Switch(s)
No
Number of Outputs
6
Voltage - Supply (Min)
4.5V
Voltage - Supply (Max)
40V
Voltage - Output
0.95V ~ 40V
Current - Output / Channel
180mA
Frequency
260kHz ~ 2.3MHz
Dimming
Analog, PWM
Applications
Backlight
Operating Temperature
-40°C ~ 125°C (TA)
Grade
Automotive
Mounting Type
Surface Mount
Package / Case
48-VFQFN Exposed Pad
Supplier Device Package
48-QFN-EP (7x7)
Base Product Number
A80606
Datasheet & Documents
HTML Datasheet
A80606KEVJSR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
620-A80606KEVJSRCT
620-A80606KEVJSRDKR
620-A80606KEVJSRTR
Standard Package
4,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
我對DiGi Electronics的產品品質感到非常驚喜，質感細膩，做工精良，值得推薦！
Dec 02, 2025
Je suis très content de mes achats chez DiGi Electronics, fiable et pas cher.
Dec 02, 2025
I appreciate their transparent communication during post-purchase support, which makes problem-solving straightforward.
Dec 02, 2025
DiGi's affordable prices and green packaging set a high standard for the industry.
Dec 02, 2025
I'm always amazed by how quickly they process and ship orders. It's a huge relief for time-sensitive projects.
Dec 02, 2025
DiGi Electronics offers unbeatable prices, making it my top choice for tech shopping.
Dec 02, 2025
I can count on DiGi Electronics for timely shipping—always reliable.
Dec 02, 2025
The customer service staff makes every effort to ensure my satisfaction, and their friendliness shines through.
Dec 02, 2025
DiGi Electronics delivers both quality service and lightning-fast shipping.
Dec 02, 2025
The products have precise craftsmanship that reflects their high quality.
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Frequently Asked Questions (FAQ)
When designing in the A80606KEVJSR for an automotive display backlight, how can I mitigate risks associated with input voltage instability during cold crank events?
The A80606KEVJSR supports a wide 4.5V to 40V input range, making it suitable for automotive cold crank conditions where voltage can dip below 6V. To mitigate instability risks, ensure robust input filtering using low-ESR ceramic capacitors near the VIN pin and consider a pre-boost stage if sustained input dips below 4.5V are expected. Additionally, verify PWM dimming functionality remains stable under low-voltage conditions by testing at 4.5V minimum and monitoring regulator feedback loop response under dynamic loads. Always confirm layout isolation between analog feedback traces and high-current LED channels to maintain regulation accuracy during transients.
Can the A80606KEVJSR replace the LT3496 in a 6-string automotive LED backlight design, and what are the key trade-offs in performance and dimming control?
Yes, the A80606KEVJSR can serve as a functional alternative to the LT3496 in 6-output backlight applications, offering similar 180mA/channel capability and PWM dimming support. Key differences include the A80606KEVJSR's higher maximum switching frequency (up to 2.3MHz vs. LT3496's ~2MHz), enabling smaller external inductors and reduced EMI in compact designs. However, unlike the LT3496, the A80606KEVJSR does not include internal power switches, requiring external MOSFETs for SEPIC or boost topology implementation. This increases component count but offers greater flexibility in thermal management and efficiency tuning. Validate current matching between channels and ensure compatibility with existing dimming control signals (typically 100Hz–5kHz PWM) to avoid flicker in the replacement design.
What layout and thermal considerations are critical when using the A80606KEVJSR in a high-density 6-channel LED driver with analog dimming in a 7x7mm QFN package?
Due to the high integration density of the A80606KEVJSR in a 48-QFN-EP (7x7mm) package, proper PCB thermal management is essential—use a solid thermal pad connection with an array of vias to an internal ground plane to dissipate heat effectively. In analog dimming mode, ensure precise resistor matching on the current-setting pins to maintain uniform string brightness, as mismatched resistors can lead to visible luminance differences. Keep sensitive analog feedback (FB) traces short and shielded from high-frequency switching nodes to prevent noise coupling. Also, minimize trace inductance on the high-current LED source/sink paths to avoid voltage spikes that could affect regulation or trigger overvoltage protection.
How does the lack of internal power switches in the A80606KEVJSR impact reliability and design complexity in long-lifetime automotive backlight systems?
The absence of internal power switches in the A80606KEVJSR shifts switching stress to external MOSFETs, which can improve long-term reliability by enabling selection of rugged, automotive-grade transistors with higher thermal margins than integrated solutions. However, this increases design complexity: the external MOSFET, gate driver loop, and associated bootstrap circuitry must be carefully laid out to avoid shoot-through and EMI issues. To enhance system reliability, select MOSFETs with low RDS(on), avalanche-rated capability, and package thermal resistance compatible with junction temperatures up to 150°C. Include proper gate resistors and TVS protection on switching nodes to suppress ringing and transients, especially in harsh 12V/24V automotive environments where load dump events can occur.
What are the risks of operating the A80606KEVJSR near its maximum 2.3MHz switching frequency in a thermally constrained sealed enclosure, and how can they be mitigated?
Operating the A80606KEVJSR at or near 2.3MHz increases switching losses in external components (inductors, diodes, MOSFETs), raising localized temperatures that may challenge thermal performance in sealed enclosures. While the IC itself is rated for 125°C ambient, the combined self-heating from high-frequency operation and limited airflow can lead to premature aging or derating of nearby components. To mitigate: choose high-efficiency, low-DCR inductors and Schottky diodes with low reverse recovery, reduce PCB trace resistance, and verify thermal performance with IR imaging under full load. Consider lowering the switching frequency slightly (e.g., to 1.5MHz) to reduce losses if EMI filtering allows, trading off some component size for improved reliability and thermal headroom in confined spaces.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
A80606KEVJSR CAD Models
Allegro MicroSystems A80606KEVJSR PCB symbols & footprints
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