Overview
The MAX745EAP+T is a high-efficiency charger IC designed for lithium-ion (Li+) battery packs, developed by Analog Devices Inc./Maxim Integrated. This component is tailored for power management applications that require a compact, reliable, and efficient battery charging solution. It supports battery configurations from 1 to 4 cells and is suitable for a wide range of applications, including portable consumer electronics, power tools, and energy storage systems.
Key Specifications
| Product Category | Details |
|---|---|
| Product | Charge Management |
| Battery Type | Lithium-ion, Lithium Polymer |
| Output Voltage | 5.4 V |
| Output Current | 4 A |
| Operating Supply Voltage | 6 V to 24 V |
| Package / Case | SSOP-20 |
| Mounting Style | SMD/SMT |
| Brand | Analog Devices / Maxim Integrated |
| Height | 1.78 mm |
| Length | 7.33 mm |
| Maximum Operating Temperature | + 85°C |
| Minimum Operating Temperature | - 40°C |
| Operating Supply Current | 4 mA |
| Product Type | Battery Management |
| Subcategory | PMIC - Power Management ICs |
| Type | Battery Charger |
| Width | 5.38 mm |
| Part # Aliases | MAX745 |
Key Features
- Compact PCB Footprint: The MAX745EAP+T is provided in a compact 20-SSOP package, making it ideal for space-constrained applications.
- Simplified BMS Design: It simplifies the design of Battery Management Systems (BMS) by integrating essential charging functions.
- Faster Charging Cycles: The component supports up to 4A of charging current, enabling faster charging cycles.
- Programmable Constant Charging Current: The charging current can be programmed to accommodate diverse battery capacities.
- High Efficiency: The MAX745EAP+T has an efficiency of 90%, minimizing energy loss and maximizing system performance.
- Precise Voltage Regulation: It offers ±0.75% voltage-regulation accuracy using 1% resistors, ensuring reliable and safe charging.
- Wide Operating Temperature Range: The component operates across a wide temperature range of -40°C to +85°C, making it suitable for harsh environments.
- Low-Cost Components: It uses low-cost set resistors and an N-channel switch, reducing overall component costs.
Applications
- Portable Consumer Electronics: Suitable for devices like Bluetooth speakers, digital cameras, and smart watches.
- Power Tools: Ideal for power tools that require high-capacity power storage and efficient charging.
- Mobile Computing Devices: Used in laptops, tablets, and other mobile computing devices.
- Energy Storage Systems: Applicable in various energy storage systems that utilize lithium-ion batteries.
- Portable Gaming Consoles: An ideal solution for portable gaming consoles that require high-capacity power storage and efficient charging.
- External Hard Drives: Suitable for external hard drives that require efficient charging and high-capacity power storage.
- Solar-Powered Systems: Can be used in solar-powered systems that require high-capacity power storage and efficient charging.
Q & A
- Q: What is the maximum input voltage for the MAX745EAP+T?
A: The maximum input voltage for the MAX745EAP+T is 24V. - Q: Can the MAX745EAP+T handle high currents without excessive heating?
A: Yes, the MAX745EAP+T can handle up to 4A of current without excessive heating. - Q: What is the efficiency of the MAX745EAP+T?
A: The MAX745EAP+T has an efficiency of 90%. - Q: Is the MAX745EAP+T suitable for solar-powered systems?
A: Yes, the MAX745EAP+T can be used in solar-powered systems that require high-capacity power storage and efficient charging. - Q: What is the operating temperature range of the MAX745EAP+T?
A: The MAX745EAP+T operates across a temperature range of -40°C to +85°C. - Q: What type of battery chemistry does the MAX745EAP+T support?
A: The MAX745EAP+T supports lithium-ion (Li+) and lithium polymer battery chemistry. - Q: What is the package type of the MAX745EAP+T?
A: The MAX745EAP+T is provided in a 20-SSOP package. - Q: Can the MAX745EAP+T be used for multiple cell configurations?
A: Yes, the MAX745EAP+T is adaptable for 1 to 4 cell configurations. - Q: What is the maximum battery pack voltage the MAX745EAP+T can handle?
A: The MAX745EAP+T can handle battery pack voltages up to 18V. - Q: Does the MAX745EAP+T require external protective circuitry?
A: While the MAX745EAP+T incorporates several safety features, specific fault protection mechanisms may require external protective circuitry.
