Firstchip Yc2019 -
In the rapidly evolving world of consumer electronics, the difference between a groundbreaking device and a forgettable one often comes down to what’s hidden beneath the hood: the power management system. For engineers, hobbyists, and procurement specialists, finding a reliable, efficient, and cost-effective Power Management Integrated Circuit (PMIC) is a constant challenge.
| Parameter | Value / Range | | :--- | :--- | | | 4.5V to 5.5V (Typical USB: 5V) | | Charge Current | Programmable up to 1A (using external resistor) | | Float Voltage | 4.2V (±1%) | | Boost Output Voltage | Fixed 5.1V | | Boost Max Output Current | Up to 500mA (from single cell) | | Quiescent Current (Standby) | < 30µA | | Switching Frequency | 1MHz (Boost mode) | | Protection Features | Over-temperature, over-current, battery reverse | | Package | ESOP-8 (Exposed pad for thermal relief) | Firstchip Yc2019
