The EVQ4110-J-1000-00A is an evaluation board designed to demonstrate the capabilities of the MPQ4110GJ-1000-AEC1, a synchronous, step-down switching converter with an integrated internal high-side and low-side power MOSFETs (HS-FETs and LS-FETs, respectively).
The MPQ4110-AEC1 provides up to 1A of highly efficient output current (IOUT) with peak current mode control. The wide 3V to 20V input voltage (VIN) range accommodates a variety of step-down applications in automotive input environments. A 1μA shutdown mode quiescent current (IQ) allows the device to be used in battery-powered applications.
High power conversion efficiency across a wide load range is achieved by scaling down the switching frequency (fSW) under light-load conditions to reduce the switching and gate driving losses.
An open-drain power good (PG) signal indicates whether the output voltage (VOUT) is within 95% to 105% of its nominal value. Frequency foldback helps prevent inductor current (IL) runaway during start-up. Thermal shutdown provides reliable, fault-tolerant operation.
A high duty cycle and low-dropout (LDO) mode are provided for automotive cold-crank conditions.
The EVQ4110-J-1000-00A is fully assembled and tested. The MPQ4110-AEC1 is available in a space-saving TSOT23-8 package, and is available in AEC-Q100 Grade 1.
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