LTC4002EDD-8.4#PBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The LTC4002EDD-8.4#PBF is a standalone linear Li-Ion battery charger IC by Analog Devices, designed for 2-cell packs with an 8.4 V charge voltage and up to 1.5 A charge current from a 22 V input. It integrates an adjustable threshold and complete charge control in a compact DFN-10 package. Suitable for portable devices and industrial battery management systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LTC4002EDD-8.4#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.9800(MOQ 10)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC4002EDD-8.4#PBF?
- Charges 2-cell Li-Ion battery packs to a precise 8.4 V float voltage with ±1% accuracy
- Supports up to 1.5 A charge current from input supplies up to 22 V, enabling flexible adapter compatibility
- Adjustable threshold and complete standalone charge algorithm requiring no external microcontroller
- Compact DFN-10 (3x3 mm) package with exposed pad for thermal dissipation during 1.5 A linear charging
- Programmable charge current via single external resistor for easy customization to different battery capacities
What is LTC4002EDD-8.4#PBF used for?
The LTC4002EDD-8.4#PBF is designed for compact portable electronics and industrial equipment that use 2-cell Li-Ion battery packs, such as handheld instruments, medical devices, and cordless tools requiring a self-contained 8.4 V charger. Its wide 22 V input range allows charging directly from wall adapters, USB-C PD supplies, or higher-voltage industrial power rails. The standalone operation and simple resistor-programmable current make it suitable for cost-sensitive and space-constrained battery charging designs.
What are the specifications of LTC4002EDD-8.4#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1699 |
| YTEOL | 8.5 |
| Additional Feature | HTTPS://WWW.ANALOG.COM/EN/PRODUCTS/LTC4002.HTML#PRODUCT-SAMPLEBUY |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 22V |
| Supply Voltage-Min (Vsup) | 4.7V |
| Supply Voltage-Nom (Vsup) | 10V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +8.4V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
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 | Malaysia |
Where can I find the LTC4002EDD-8.4#PBF datasheet?
LTC4002EDD-8.4#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4002EDD-8.4#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What charge voltage and maximum charge current does the LTC4002EDD-8.4#PBF deliver to a 2-cell Li-Ion battery?
The LTC4002EDD-8.4#PBF charges 2-cell Li-Ion battery packs to a precisely regulated 8.4 V float voltage with up to 1.5 A charge current. The charge current is programmed via a single external resistor, so designers can set lower currents for smaller capacity cells or scale up toward 1.5 A for higher-capacity packs. The charger operates from input supplies up to 22 V, accommodating a wide range of AC adapters and power sources.
How does the standalone design of the LTC4002EDD-8.4#PBF simplify 2-cell Li-Ion charger implementation?
The LTC4002EDD-8.4#PBF implements a complete 3-stage Li-Ion charge algorithm (trickle, constant current, constant voltage) internally with no external microcontroller, DSP, or firmware required. All charge termination, preconditioning, and voltage regulation are handled on-chip, reducing BOM complexity and software development time. A single external resistor sets the 1.5 A peak charge current, making the charger operational with minimal external components around the DFN-10 package.
Which portable and industrial applications benefit most from the LTC4002EDD-8.4#PBF charger IC?
The LTC4002EDD-8.4#PBF is well suited for handheld medical instruments, portable test equipment, cordless power tools, and industrial data loggers using 2-cell 8.4 V Li-Ion battery packs. Its 22 V maximum input voltage allows charging from standard 12 V or 19 V industrial DC supplies without a buck pre-regulator. The compact DFN-10 footprint and thermal pad enable efficient heat dissipation during 1.5 A linear charging in space-constrained enclosures.
How does the LTC4002EDD-8.4#PBF compare to switching-mode charger alternatives for 2-cell Li-Ion applications?
As a linear charger, the LTC4002EDD-8.4#PBF is simpler, lower-cost, and generates less EMI than switching-mode charger ICs, making it preferable in noise-sensitive medical and RF-adjacent applications. The tradeoff is that linear chargers dissipate the voltage difference between the input and battery pack as heat, so efficiency is lower when the 22 V input is much higher than the 8.4 V battery voltage. Switching chargers are more efficient but require an inductor, more external components, and EMI filtering, increasing BOM cost and PCB area.
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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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