MP5415
2.8V to 5.5V, Power Management IC with 4 Buck Converters (2A/2A/2A/2A), 5 LDOs, and Flexible System Settings via the I2C and OTP
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Description
The MP5415 is a complete power management IC (PMIC) that integrates four high-efficiency, step-down DC/DC converters; five low-dropout (LDO) regulators; and a flexible logic interface.
Constant-on-time (COT) control provides fast transient response for the DC/DC converter. The default fixed switching frequency (fSW) (2MHz) during continuous conduction mode (CCM) greatly reduces the external inductor and capacitor values. Full protection features include under-voltage lockout (UVLO) protection, over-current protection (OCP), and thermal shutdown.
The output voltage (VOUT) is adjustable via the I2C bus or preset via the one-time programmable (OTP) memory. The start up/shutdown sequence is also configurable via the OTP, or can be controlled via the I2C bus.
The buck and LDO output voltages, MODE pin configuration, buck 1 and buck 3 current limits, and the buck and LDO enable functions (ENBUCK/LDO) can be configured via the I2C and OTP.
The buck 2 and buck 4 current limits, DVS slew rate, discharge function (DISCHG), system enable function (SYSEN), and the software reset function (SFRST) can be configured via the I2C. The status and ID2 registers can also be read via the I2C.
Other parameters such as AUTOON, frequency, PWR on delay, RST delay, pushbutton time, LDORTC VOUT, OTP version, and I2C slave address can only be configured via the OTP.
The MP5415 requires a minimal number of external components, and is available in a space-saving QFN-28 (4mmx4mm) package.
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Features & Benefits
- Four High-Efficiency Step-Down Converters:
- Buck 1: 2A DC/DC Converter
- Buck 2: 2A DC/DC Converter
- Buck 3: 2A DC/DC Converter
- Buck 4: 2A DC/DC Converter
- 8V to 5.5V Operating Input Voltage (VIN) Range
- Adjustable Switching Frequency (fSW)
- Configurable Forced Pulse-Width Modulation (PWM) Mode and Auto-PFM/PWM Mode
- Over-Current Protection (OCP) with Hiccup Mode
- Five Low-Dropout (LDO) Regulators:
- One RTC-Dedicated LDO
- Four Low-Noise LDOs
- Two Separate Input Power Supplies
- 100mV Dropout at 300mA Load System
- I2C Bus and OTP
- Start-Up/Shutdown Button
- Start-Up Reset Output
- Flexible Start-Up/Shutdown Sequence via the OTP
- Flexible DC/DC, LDO On/Off via the OTP
- ±4kV HBM and ±2kV CDM ESD Ratings For All Pins

Active Part Numbers:
MP5415GR-xxxx-Z MP5415GR-xxxx-P MP5415GR-0001-Z MP5415GR-0001-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP5415 Resources
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