- MP4247
MP4247
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Description
The MP4247 is a buck-boost converter with two integrated low-side (LS) power switches. The device can deliver up to 100W of peak output power at certain input supplies with excellent efficiency.
The MP4247 is well-suited for USB power delivery (USB PD) applications. The device can work with an external USB PD controller via the I2C interface. The I2C interface and one-time programmable (OTP) memory provide flexible and configurable parameters.
Fault condition protections include constant current (CC) current limiting, output over-voltage protection (OVP), and thermal shutdown (TSD).
The MP4247 requires a minimal number of readily available, standard external components, and is available in a QFN-20 (3mmx5mm) package.
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Features & Benefits
- UL and IEC62368-1 Certified, Efile #322138
- 100W Buck-Boost Converter with Integrated Low-Side MOSFETs (LS-FETs)
- Integrated Gate Driver for High-Side Power MOSFETs (HS-FETs)
- 3.6V to 36V Start-Up Input Voltage (VIN) Range
- Supports 2.8V Falling VIN when the Output Voltage (VOUT) > 3.5V
- 1V to 24V VOUT Range with 1% Accuracy
- Up to 5A Output Current (IOUT)
- Up to 98% Peak Efficiency
- 0.1V to 2.147V Configurable Reference Voltage (VREF) Range with 1mV Resolution via the I2C Interface
- ±5% Accurate Output CC Current Limit
- Meets USB PD 3.0 with PPS Specifications
- Selectable 280kHz, 420kHz, or 600kHz Switching Frequency (fSW)
- Selectable Forced Pulse-Width Modulation (PWM) or Auto-Pulse-Frequency Modulation (PFM)/PWM
- Output Biased VCC Low-Dropout (LDO) for Higher Efficiency
- Output Current Monitor (IMON) Function
- Line Drop Compensation via RSENS
- I2C, Alert, and One-Time Programmable (OTP) Memory
- Enable (EN) Shutdown Passive Discharge
- Output Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Thermal Shutdown
- Available in a QFN-20 (3mmx5mm) Package

Active Part Numbers:
MP4247GQV-0000-Z MP4247GQV-0000-P MP4247GQV-0002-Z MP4247GQV-0002-P MP4247GQV-0011-Z MP4247GQV-0011-P MP4247GQV-xxxx-Z MP4247GQV-xxxx-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP4247 Resources
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ARTICLE
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USE CASE
ISOLATED GATE DRIVERS USE CASE: PORTABLE POWER STATIONSUSE CASEIn this use case, we’ll consider the application of isolated gate drivers in portable power stations. The isolated gate driver enables the charging module and inverter to be combined, which helps shrink the size of these portable power stations. Portable power stations are becoming more and more common as lithium batteries continue to get cheaper and cheaper. For years, people have been using ...
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APPLICATION
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APPLICATION
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PRODUCT CATEGORY
BUCK/BOOSTPRODUCT CATEGORY -
ARTICLE
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