LT8490EUKJ#TRPBF Analog Devices Integrated Circuit (Other) In Stock
LT8490EUKJ#TRPBF is a switching battery charger controller from Analog Devices supporting Lead-Acid, Li-FePO4, Li-Ion, and Li-Polymer batteries with 1.3 V to 80 V input range in a 64-pin QFN package. Adjustable thresholds enable multi-chemistry charging profiles. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 58
- Lifecycle
- ACTIVE
- Datasheet
- LT8490EUKJ#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $22.6574(MOQ 9)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Universal multi-chemistry charging supports Lead-Acid, Li-FePO4, Li-Ion, and Li-Polymer from a single controller IC
- Wide 1.3 V to 80 V input range with adjustable thresholds accommodates diverse solar, vehicle, and industrial power sources
- 64-pin QFN-EP package with integrated battery monitor channel reduces BOM and PCB area for energy storage systems
Applications
The LT8490EUKJ#TRPBF is engineered for solar-powered energy storage systems, off-grid power stations, and industrial UPS designs that must charge different battery chemistries from variable voltage sources spanning 1.3 V to 80 V. Telecom backup power and EV auxiliary battery chargers leverage its precise adjustable voltage and current thresholds to optimize charging profiles and extend battery cycle life. Its compact 64-pin QFN-EP package and integrated monitoring simplify high-density power module designs where board space and thermal management are critical.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1922 |
| YTEOL | 10 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | BATTERY MONITOR |
| JESD-30 Code | R-PQCC-N64 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 80V |
| Supply Voltage-Min (Vsup) | 6V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LT8490EUKJ#TRPBF:
suggested
Frequently Asked Questions
What input voltage range does LT8490EUKJ#TRPBF support and which battery chemistries can it charge?
The LT8490EUKJ#TRPBF accepts input voltages from 1.3 V to 80 V and supports charging Lead-Acid, Li-FePO4, Li-Ion, and Li-Polymer battery chemistries. Adjustable charge voltage and current thresholds let designers program CCCV (constant current/constant voltage) profiles for each chemistry, making it a single-chip solution for solar charge controllers and multi-chemistry battery management systems.
For a 48 V solar-to-battery charging system, why is LT8490EUKJ#TRPBF a strong candidate?
At 48 V nominal solar panel voltage, LT8490EUKJ#TRPBF's 1.3 V to 80 V input range provides ample headroom for open-circuit conditions reaching 60 V or more. Its switching controller topology achieves high efficiency across the full charge current range, and integrated battery monitoring with adjustable thresholds allows automatic end-of-charge detection for 48 V Lead-Acid or Li-FePO4 packs without external comparators.
How does the 64-pin QFN-EP package of LT8490EUKJ#TRPBF benefit high-density power module PCB designs?
The 64-pin QFN-EP (exposed pad) package measures approximately 9 mm x 9 mm with 0.5 mm pin pitch. The exposed pad improves thermal conductivity, allowing the IC to dissipate heat directly into the PCB copper pour without a bulky heatsink. For power modules targeting less than 50 cm2 board area, this thermal advantage allows higher continuous charge currents compared to leaded package alternatives.
What makes LT8490EUKJ#TRPBF a lower-complexity alternative to discrete charge controller designs for Li-Ion storage?
LT8490EUKJ#TRPBF integrates the switching controller, battery monitor, and adjustable threshold comparators in a single 64-pin IC, eliminating at least 3 to 5 discrete ICs typically needed for accurate Li-Ion CCCV charging with input range protection up to 80 V. This integration reduces component count by 30% or more, lowers assembly cost, and shrinks the certified charger design from a 4-layer to a 2-layer PCB in many applications.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| 11+ | $23.6014 | $259.62 |
| 14+ | $22.6574 | $317.20 |
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