MAX8663
Power-Management ICs for Single-Cell, Li+ Battery-Operated Devices
7-Channel Integrated PMICs Include Charger with Smart Power Control and Allow the System to Operate Without a Battery
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Overview
Features and Benefits
- Two 95%-Efficient 1MHz Buck Regulators
- Main Regulator: 0.98V to VIN at 1200mA
- Core Regulator: 0.98V to VIN at 900mA
- 1MHz Boost WLED Driver
- Drives Up to 7 White LEDs at 30mA (max)
- PWM and Analog Dimming Control
- Four Low-Dropout Linear Regulators
- 1.7V to 5.5V Input Range
- 15µA Quiescent Current
- Single-Cell Li+ Charger
- Adapter or USB Input
- Thermal-Overload Protection
- Smart Power Selector (SPS)
- AC Adapter/USB or Battery Source
- Charger-Current and System-Load Sharing
Product Details
The MAX8662/MAX8663 power-management ICs (PMICs) are efficient, compact devices suitable for smart cellular phones, PDAs, Internet appliances, and other portable devices. They integrate two synchronous buck regulators, a boost regulator driving two to seven white LEDs, four low-dropout linear regulators (LDOs), and a linear charger for a single-cell Li-ion (Li+) battery.
Maxim's Smart Power Selector™ (SPS) safely distributes power between an external power source (AC adapter, auto adapter, or USB source), battery, and the system load. When system load peaks exceed the external source capability, the battery supplies supplemental current. When system load requirements are small, residual power from the external power source charges the battery. A thermal-limiting circuit limits battery-charge rate and external power-source current to prevent overheating. The PMIC also allows the system to operate with no battery or a discharged battery.
The MAX8662 is available in a 6mm x 6mm, 48-pin TQFN package, while the MAX8663, without the LED driver, is available in a 5mm x 5mm, 40-pin TQFN package.
Applications
- 3G Smart cellular phones
- Other Handheld Devices
- PDAs, portable media players (PMPs)
- Portable GPS Navigation Devices (PNDs)
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Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
Documentation & Resources
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| MAX8663ETL+ | Material Declaration | Reliability Data | 40-LFCSP-5X5X0.75 | |
| MAX8663ETL+T | Material Declaration | Reliability Data | 40-LFCSP-5X5X0.75 | |
| Wafer Fabrication Data | MAX8663 Reliability Data |
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