The EM8500 is an energy-harvesting power-management IC from EM Microelectronics that draws power from µW–mW sources such as solar cells or thermoelectric generators (TEG). Its boost converter cold-starts from 300mV / ~3µW with embedded maximum-power-point tracking (MPPT), and provides 4 independently configurable outputs — the heart of battery-less or battery-extended IoT sensor nodes.
| Type | Energy-Harvesting PMIC |
| Sources | Solar / TEG (µW~mW) |
| Cold Start | 300mV / ~3µW |
| MPPT | Embedded |
| Outputs | 4 configurable regulated |
| Package | QFN24 (4×4mm) |
EM Microelectronics
Switzerland
Ultra-Low Power ICs — Semiconductor brand of the Swatch Group
View all EM Microelectronics products → Official EM Microelectronics siteThe EM6819 is an ultra-low power 8-bit RISC microcontroller from EM Microelectronics. Built on CMOS process, it operates down to 0.9V and achieves nA-level sleep current. Features integrated LCD driver, timers, ADC, and rich peripherals — ideal for battery-powered consumer electronics and smart card applications.
The EM9301 is a single-mode Bluetooth 4.0 Low Energy (BLE) controller IC designed for ultra-low power applications. It communicates with the host MCU via SPI, integrates the RF front-end and baseband, and provides a complete BLE link layer — ideal for wearables, sensors, and beacons requiring extremely low operating current.
EM4305 is a 125kHz low-frequency RFID read/write transponder IC powered by the inductive coil. Supports ASK/FSK/PSK modulation with 512-bit EEPROM — widely used in access control cards, employee ID cards, animal identification, and industrial tracking.
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