ROHM Semiconductor BD71837AMWV System PMIC for i.MX 8M Family
ROHM Semiconductor BD71837AMWV System PMIC for i.MX 8M Family integrates all power rails required by i.MX 8M processors and system peripherals. The BD71837AMWV makes it possible to significantly reduce development time, decrease the size, and simplify application design. The power supply circuit of the BD71837AMWV is designed specifically for the power supply system of the i.MX 8M processor family. It integrates 8 buck converters, 7 LDOs, and control logic that supplies power to the processor, and the required DDR memory. A 1.8V/3.3V power switch for SDXC cards is also built-in, along with a 32.768kHz crystal oscillator driver. Multiple protection circuits are also built-in like output short-circuit, output over-voltage/current, and thermal shutdown.
Features
8 Buck Regulators
2.0MHz Switching Frequency (BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK7, and BUCK8)1.5MHz Switching Frequency (BUCK6)7ch Linear Regulators (7 LDOs)Power Mux Switch
1.8V Input: 200mΩ (Max)3.3V Input: 280mΩ (Max)32.768kHz Crystal Oscillator DriverPower Button DetectorProtection and Monitoring: Soft Start, Power Rails Fault Detection, UVLO, OVP and TSD
2.0MHz Switching Frequency (BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK7, and BUCK8)1.5MHz Switching Frequency (BUCK6)7ch Linear Regulators (7 LDOs)Power Mux Switch
1.8V Input: 200mΩ (Max)3.3V Input: 280mΩ (Max)32.768kHz Crystal Oscillator DriverPower Button DetectorProtection and Monitoring: Soft Start, Power Rails Fault Detection, UVLO, OVP and TSD
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