Analog Devices Inc./Maxim Integrated MAX77757JEFG420+
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.10 | $5.10 |
| 15+ | $4.94 | $74.10 |
| 25+ | $4.83 | $120.75 |
| 50+ | $4.56 | $228.00 |
| 100+ | $4.03 | $403.00 |
| N+ | $0.81 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Product Series | Smart Power Selector™ |
| Packaging | Factory | Tray |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Temperature, Over-Under Voltage, Short Circuit |
| Charge Current - Max | 3.15A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 13.7V |
| Interface | USB |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-PowerUFQFN |
| Supplier Device Package | 24-FC2QFN (3x3) |
| ROHS |
The MAX77757JEFG420+ from Analog Devices is a USB-interface single-cell Lithium Ion/Polymer battery charger. It provides up to 3.15A charge current with a 4.2V battery voltage. The device features comprehensive protection including Over Current, Over Temperature, Over-Under Voltage, and Short Circuit. Housed in a 24-PowerUFQFN package, it operates from -40°C to 85°C, making it suitable for portable consumer and commercial electronics.
- USB Integration: Built-in USB interface simplifies design and enables standard charging protocols.
- High Current: 3.15A charge current supports rapid charging for modern devices.
- Comprehensive Safety: Over-Under Voltage and Over Temperature protections ensure reliable operation.
- Compact Size: 24-PowerUFQFN package is ideal for space-limited portable designs.
USB-Powered Devices
Charge smartphones and tablets via USB ports with up to 3.15A, leveraging the integrated USB interface for seamless power negotiation.
Wearable Technology
Power smartwatches and fitness bands with a compact 24-PowerUFQFN package, ensuring safe single-cell Li-Polymer charging in tight spaces.
Portable Gaming Consoles
Deliver fast, reliable charging for handheld gaming devices, with Over-Under Voltage protection to safeguard sensitive electronics.
Bluetooth Accessories
Charge earbuds, speakers, and headsets efficiently, benefiting from the wide -40°C to 85°C operating temperature range for outdoor use.
Point-of-Sale Terminals
Integrate into mobile POS systems that require robust charging and USB connectivity for daily retail operations.
- Q: What battery chemistry is supported?
- A: The MAX77757JEFG420+ supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for single-cell (1) battery packs.
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.15A.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What interface does it use?
- A: It uses a USB interface for control and communication.
- Q: What protections are built in?
- A: It includes Over Current, Over Temperature, Over-Under Voltage, and Short Circuit protection.
- Q: What battery chemistry is supported?
- A: The MAX77757JEFG420+ supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for single-cell (1) battery packs.
- Q: What is the maximum charge current?
- A: The maximum charge current is 3.15A.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What interface does it use?
- A: It uses a USB interface for control and communication.
- Q: What protections are built in?
- A: It includes Over Current, Over Temperature, Over-Under Voltage, and Short Circuit protection.

MAX77757JEFG420+.pdf