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MPQ7920 Datasheet(PDF) 1 Page - Monolithic Power Systems |
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MPQ7920 Datasheet(HTML) 1 Page - Monolithic Power Systems |
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1 / 44 page  MPQ7920 5V PMIC with Four 2A/2.5A/4.5A/4.5A Buck Converters, 5 LDOs, and Flexible System Settings via I2C and MTP, AEC-Q100 MPQ7920 Rev. 1.0 www.MonolithicPower.com 1 7/13/2020 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2020 MPS. All Rights Reserved. DESCRIPTION The MPQ7920 is a complete power management solution that integrates four high- efficiency step-down DC/DC converters, five low-dropout regulators, and a flexible logic interface. Constant-on-time (COT) control in the DC/DC converter provides fast transient response. The adjustable switching frequency (up to 2.75MHz) during CCM greatly reduces external inductor and capacitor value. Full protection features include UVLO, OCP, OVP, and thermal shutdown. The output voltage is adjustable through the I2C bus or preset by the MTP (multiple-time programmable). The power-on/off sequence is also programmable via the MTP and can be controlled through I2C bus online. The MPQ7920 requires a minimal number of external components, and is available in a space-saving QFN-26 (3.5mmx4.5mm) package with wettable flanks. This part is AEC-Q100 qualified. FEATURES High-Efficiency Step-Down Converters o Buck 1: 4.5A DC/DC Converter o Buck 2: 2.5A DC/DC Converter o Buck 3: 4.5A DC/DC Converter o Buck 4: 2A DC/DC Converter o Buck 1 and Buck 3 Can Work in Parallel o Buck 2 and Buck 4 Can Work in Parallel o 2.7V to 5.5V Operating Input Range o 0.4V to 3.58V/12.5mV Step or 0.4V to 2.2V/7.4mV Step Option VOUT Range for Buck 1, Buck 2, and Buck 3 o 0.4V to 3.58V/12.5mV step VOUT Range for Buck 4 o Adjustable Switching Frequency o Adjustable Soft-Start Time o Adjustable Phase Delay o Programmable Forced PWM, Auto- PFM, PWM Mode o Output OCP, OVP Low-Dropout Regulators o One RTC Dedicated LDO o Four Low-Noise LDOs o Two Separate Input Power Supplies o 50mV Dropout at 300mA Load System o I2C Bus and User Programmable MTP o Two-Time Programmable MTP (1) o Power-On/Off Control o Multi-Function LDO2/EN1 Pin (EN1 Input Logic Level ≤ 3.3V) o Power-On Reset Output o Flexible Power-On/Off Sequence via MTP (0.5ms/2ms/8ms/16ms Selectable Time Slot) o Flexible DC/DC, LDO On/Off via the MTP o ±4kV HBM and ±2kV CDM ESD Rating for All Pins o Available in a QFN-26 (3.5mmx4.5mm) Package o Available in AEC-Q100 Grade 1 Note: 1) The two-time programmable MTP is only for the standard version of the MPQ7920GRM-0000-AEC1 (see page 39). APPLICATIONS Automotive Infotainment Automotive Video Recorder Automotive Display Electronics All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are trademarks of Monolithic Power Systems, Inc. or its subsidiaries. |
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