The EVQ8861-LE-00A is an evaluation board designed to demonstrate the capabilities of the MPQ8861, a high-frequency, synchronous, rectified, step-down switch-mode converter with an I2C interface. The MPQ8861 offers a fully integrated solution that can achieve up to 12A of continuous DC output current (IOUT) across a wide 2.9V to 18V input voltage (VIN) range, with excellent load and line regulation.
The output voltage (VOUT) can be controlled on the fly via the I2C interface. The reference voltage (VREF) can be adjusted to be between 0.6V and 1.108V in 4mV steps. The following parameters can also be configured via the I2C: the voltage slew rate, switching frequency (fSW), current limit, hiccup/latch-off protection, enable/disable, and power-save mode.
Constant-on-time (COT) control provides fast transient response. The power good (PG) pin is an open-drain output that indicates whether VOUT is within the nominal range.
Full protection features include over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown.
The MPQ8861 is available in a QFN-14 (3mmx4mm) package with wettable flanks.
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