LT1571EGN-2 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LT1571EGN-2 is a multi-chemistry battery charger IC from Analog Devices in a 28-SSOP package, offering precision charge control for Li-Ion and NiMH cells. It supports programmable charge current up to 2 A and 4.2 V charge voltage. Available in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- LT1571EGN-2 Datasheet PDF
- Category
- Integrated Circuit
- 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 LT1571EGN-2?
- Programmable charge current up to 2 A with resistor-set accuracy for precise Li-Ion and NiMH charging
- Supports multi-chemistry charging: Li-Ion at 4.2 V and NiMH with selectable termination modes
- 28-SSOP package with integrated pass element reduces external component count and PCB area
What is LT1571EGN-2 used for?
LT1571EGN-2 is well suited for portable consumer electronics such as laptops, PDAs, and handheld instruments requiring precision multi-chemistry battery charging. It fits compact power-management designs where a single IC must handle Li-Ion constant-current/constant-voltage charging at up to 2 A. Engineers also deploy it in industrial battery backup systems that demand accurate 4.2 V regulation and programmable termination.
What are the specifications of LT1571EGN-2?
| YTEOL | 0 |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 7mA |
| Supply Voltage-Nom (Vsup) | 16V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LT1571EGN-2 datasheet?
LT1571EGN-2 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1571EGN-2?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum charge current supported by the LT1571EGN-2?
The LT1571EGN-2 supports a programmable charge current up to 2 A, set by an external sense resistor. This flexibility allows designers to optimize charge rate for batteries ranging from small 100 mAh Li-Ion cells to larger multi-Ah packs, all within a compact 28-SSOP footprint.
Which battery chemistries can the LT1571EGN-2 charge, and what termination voltages apply?
The LT1571EGN-2 supports Li-Ion cells with a precision 4.2 V final charge voltage and NiMH cells with selectable dV/dt termination. The ±1% voltage accuracy ensures Li-Ion cells reach full capacity without overcharging, making the device suitable for both consumer and industrial multi-chemistry battery management designs.
How does the 28-SSOP package of the LT1571EGN-2 benefit PCB layout compared to discrete charger solutions?
The 28-SSOP package integrates the charge controller and gate drive circuitry in a 0.25-inch-pitch body, reducing board space by eliminating multiple discrete components. With 28 pins providing ample signal and power routing flexibility, designers achieve a compact single-chip charger circuit occupying less than 1 cm² of PCB area in typical implementations.
When is LT1571EGN-2 a better alternative to a discrete MOSFET plus controller charger design?
LT1571EGN-2 is preferred when BOM cost reduction and design simplicity outweigh raw flexibility. It replaces 5 to 8 discrete components with a single 28-SSOP IC, cutting assembly time and reducing the chance of component mismatch errors. At charge currents up to 2 A and charge voltages of 4.2 V, it covers the majority of portable device battery needs without custom gate-drive tuning.
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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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