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MP5424 Datasheet(PDF) 1 Page - Monolithic Power Systems |
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MP5424 Datasheet(HTML) 1 Page - Monolithic Power Systems |
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1 / 44 page  MP5424 5V PMIC with Four 4.5A/2.5A/4.5A/2A Buck Converters, 3 LDOs, 1 Load Switch, and Flexible System Settings via I2C and MTP MP5424 Rev. 1.0 MonolithicPower.com 1 12/6/2021 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2021 MPS. All Rights Reserved. DESCRIPTION The MP5424 is a complete power management solution that integrates four high-efficiency step- down DC/DC converters, three low-dropout (LDO) regulators, one load switch, and a flexible logic interface. Constant-on-time (COT) control in the DC/DC converter provides fast transient response. The 1.1MHz default switching frequency (fSW) during continuous conduction mode (CCM) greatly reduces the external inductance and capacitance. Full protection features include under-voltage lockout (UVLO) protection, over- current protection (OCP), over-voltage protection (OVP), and thermal shutdown. The output voltage (VOUT) can be adjusted via the I2C bus or preset by the multiple-time programmable (MTP) interface. The start- up/shutdown sequence can also be configured via the MTP and controlled via the I2C bus. The MP5424 requires a minimal number of external components, and is available in a small QFN-26 (3.5mmx4.5mm) package. 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 VIN Range o Buck 1, Buck 2, and Buck 3 Selectable VOUT Range: 0.4V to 2.2V/7.4mV Step or 0.4V to 3.58V VOUT/12.5mV Step o Buck 4 VOUT Range: 0.4V to 3.58V VOUT/12.5mV Step o Adjustable Switching Frequency (fSW) o Adjustable Soft-Start Time (tSS) o Adjustable Phase Delay o Configurable Forced PWM (FPWM) Mode or Auto-PFM/PWM Mode o Output OCP and OVP • Low-Dropout (LDO) Regulators: o Three 300mA, Low-Noise LDOs o Two Separate Input Power Supplies o 50mV Dropout at 300mA Load • Load Switch: o 2.7V to 5.5V/3A Load Switch o 50mΩ On Resistance at VIN = 5V o On/Off Control via the I2C and Programmable Sequence o Configurable Output Discharge Function via the I2C (Default: On) • System: o I2C Bus and User-Programmable MTP o Two-Time Programmable MTP (1) o Start-Up/Shutdown Control o Enable Pin (EN1) for Sleep Mode Entry and Recovery Control o Start-Up Reset Output o Flexible Start-Up/Shutdown Sequence via MTP (0.5ms, 2ms, 8ms, or 16ms Selectable Time Slot) o Available in a QFN-26 (3.5mmx4.5mm) Package Optimized Performance with MPS Inductor MPL-AL6050 Series Note: 1) The two-time programmable MTP is only for the standard version of the MP5424GRM-0000. APPLICATIONS • General Consumer • Camera Modules • 3.3V/5V Powered Systems • Space-Limited Systems 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 registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries. |
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