LTC4000EUFD-1#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC4000EUFD-1#PBF is a high-voltage automotive-grade linear battery charger IC from Analog Devices, housed in a compact 28-pin QFN package for thermally efficient designs. It supports versatile battery chemistries and is available in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC4000EUFD-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.4300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-voltage automotive battery charger IC in a compact 28-pin QFN EP package with exposed thermal pad for efficient heat dissipation
- Programmable charge voltage and current via external resistors enabling flexible battery management for multiple cell chemistries
- Integrated protection features including overvoltage and overcurrent sensing for robust automotive and industrial battery systems
Applications
The LTC4000EUFD-1#PBF is designed for automotive battery management systems, backup power supplies, and industrial equipment requiring reliable charging of lead-acid or lithium-based batteries at elevated voltages. Its 28-pin QFN package with exposed pad allows efficient thermal management in space-constrained designs such as embedded vehicle electronics and portable industrial tools. System designers use it in telecom backup systems and UPS applications where accurate charge termination and programmable parameters reduce overall system cost.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1712 |
| YTEOL | 10 |
| Additional Feature | SEATED HT-CALCULATED |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | R-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.16X.2,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 60V |
| Supply Voltage-Min (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| 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 | Quad Flat 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What package does the LTC4000EUFD-1#PBF use, and how does its thermal pad help in automotive battery charging designs?
The LTC4000EUFD-1#PBF is housed in a 28-pin QFN package with an exposed thermal pad, allowing designers to dissipate heat directly through the PCB copper pour. In automotive environments where ambient temperatures can exceed 85°C, this reduces junction temperature rise and sustains full charge current without derating.
How can engineers configure the charge current of the LTC4000EUFD-1#PBF for a 12 V lead-acid backup battery?
Engineers set the charge current using external sense resistors connected to dedicated pins, enabling precise current regulation from milliamps up to several amps depending on external component selection. For a 12 V lead-acid battery requiring 2 A charge current, a 0.1 ohm sense resistor provides the necessary feedback reference for the internal control loop.
When is LTC4000EUFD-1#PBF a better choice than LTC4000 in a 28-pin SSOP for a compact automotive module?
The QFN package of LTC4000EUFD-1#PBF occupies roughly 50% less PCB footprint than a 28-pin SSOP with equivalent pin count, and its exposed pad lowers thermal resistance by several °C/W. For automotive modules tightly constrained to under 400 mm² of board area, the QFN variant delivers superior power density and thermal performance.
Does the LTC4000EUFD-1#PBF meet RoHS and automotive qualification requirements for mass production?
The LTC4000EUFD-1#PBF carries a JESD-609 e3 code indicating lead-free, RoHS-compliant construction. While its part suffix #PBF confirms Pb-free solder finish, engineers targeting AEC-Q100 Grade 1 or Grade 0 qualification should verify the specific automotive screening datasheet revision before finalizing a 100,000-unit production BOM.
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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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| Qty. | Unit Price | Ext. Price |
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| 1+ | $12.0800 | $12.08 |
| 10+ | $8.3010 | $83.01 |
| 19+ | $7.2000 | $136.80 |
| 500+ | $6.4400 | $3220.00 |
| 1000+ | $5.4300 | $5430.00 |
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