MAX8934A (2)

MAX8934A is available from Analog Devices at Xecor. Designed for dual-input Li+/Li-Poly linear battery charging, the MAX8934A offers Smart Power Selector™, advanced battery temperature monitoring, and ultra-low IQ always-on 3.3V LDO. Available in a 28-pin TQFN package, it is ideal for digital still cameras, handheld game systems, PDAs, portable media players, and other portable devices. Whether used in consumer electronics or wireless handhelds, this series ensures safe, efficient, and reliable battery charging for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX8934A series below.

Part Number Description Package Inventory Add To Bom
MAX8934AETI+ Battery Management Dual-Input Linear Chargers, Smart Power Selector with Advanced BatteryTemperature Monitoring TQFN-28 6,196
MAX8934AETI+T Linear Battery Charger for Li-Ion/Li-Pol Batteries with 1500mA Output TQFN-28 3,001

Key Featrues

Smart Power Selector™: Eliminates the need for external MOSFETs, simplifying the design and reducing component count. This feature enhances efficiency by automatically switching between adapter, USB, and battery power sources, ensuring optimal power delivery in portable devices like cameras and handheld game systems.
Advanced Battery Temperature Monitoring: Monitors battery temperature during charging and discharging, automatically adjusting charge current and termination voltage per JEITA recommendations. This ensures safe and efficient charging, prolongs battery life, and prevents overheating, making it ideal for devices like PDAs and portable media players.
Ultra-Low IQ Always-On 3.3V LDO: Provides a continuous 3.3V supply with minimal quiescent current, supporting system power even in standby modes. This feature improves energy efficiency and extends battery runtime in applications such as wireless handhelds and MP3 players.
Input OVP (Overvoltage Protection): Protects against input voltages up to 16V (DC) and 9V (USB), safeguarding the device and battery from damage due to voltage spikes. This enhances reliability and safety in diverse operating conditions, particularly in digital cameras and portable navigation devices.
Thermal Regulation: Prevents overheating by dynamically regulating the charger's temperature. This ensures stable performance under high load conditions, such as when handling power peaks in handheld game systems or portable media players, while maintaining device safety and longevity.

Applications

Portable Media Players: The MAX8934A is ideal for powering and charging portable media players, such as MP3 players and portable gaming devices. Its dual-input linear charger with Smart Power Selector ensures efficient power management, while the advanced battery temperature monitoring ensures safe operation, even during extended use in various environments.
Digital Cameras: The MAX8934A is well-suited for digital still and video cameras, providing reliable battery charging and power management. Its ability to monitor battery temperature and adjust charge parameters automatically ensures optimal performance and safety, even in demanding shooting conditions.
Handheld Medical Devices: The MAX8934A is perfect for handheld medical devices, such as portable diagnostic tools or patient monitoring systems. Its ultra-low IQ always-on LDO ensures continuous power supply, while the advanced battery temperature monitoring guarantees safe operation in critical healthcare applications.
Wireless Handheld Devices: The MAX8934A is ideal for wireless handheld devices, such as PDAs and portable communication tools. Its automatic adapter/USB/battery switchover ensures uninterrupted operation, while the thermal regulation feature prevents overheating, making it suitable for use in various industrial and commercial settings.

Popular MAX8934A Products comparison

MAX8934AETI+ vs MAX8934AETI+T