DA4100 – WattUp® Wireless Power Transmitter – Charger

DA4100 is a highly integrated System-on-Chip WattUp RF-transmitter IC designed to provide optimal charging of WattUp receiver devices. It forms the core of the Near Field WattUp transmitter system and is designed to charge a range of devices fitted with WattUp receivers. It features the RF transmitter, power management and integrated DC-DC supply, delivering a complete WattUp transmitter system solution.  Applications include the wireless charging of low-power, battery-powered devices, such as wearables, fitness trackers, hearables, hearing aids, Bluetooth^® trackers, smart pens and other devices.

Features:

• DA4100 integrates most of the functions required to form a complete WattUp transmitter system including an ARM Cortex^® M0+ processor, RAM, ROM, crystal oscillator, Low Profile Oscillator (LPO), clock divider, Phase-Lock Loop (PLL), RF converter, Variable Gain Amplifier (VGA), Power Detectors (PD), DC-DC, LDO’s, I2C, UART, SPI, GPIOs, ADCs and DACs.
• Embedded secure element for 2-way authentication with 128bit encryption.
• The device only requires an external crystal and power amplifier and operates directly from a 3.3V power supply.

Benefits

• RF/antenna-based solution
• Smaller antenna than coil-based designs
• Improved spatial and orientation freedom
• Eliminates connectors and charging contacts
• Enables fully sealed waterproof design
• Enables distance charging

more information: https://www.dialog-semiconductor.com/products/wireless-charging/da4100

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