- MP8887
MP8887
65V, 9A, High-Efficiency Buck Converter with I2C Interface, Configurable Frequency, and Adjustable OCP
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Description
The MP8887 is a high-efficiency, synchronous, step-down converter with two integrated power MOSFETs. The device can regulate the output voltage (VOUT) across a wide input voltage (VIN) range with high efficiency. It can achieve up to 9A peak output current (IOUT), VOUT scaling, and an adjustable output average current limit for wireless charging, USB extended power range (EPR) power delivery (PD), and high-power DC supply applications.
VOUT can be controlled on the fly via the I2C serial interface. The voltage transition slew rate, switching current limit, output average current limit, and output over-voltage protection (OVP) can also be selected via the I2C interface.
Current mode provides fast transient response and eases loop stabilization. Full protection features include input under-voltage lockout (UVLO), input and output OVP, output over-current protection (OCP), and thermal shutdown.
The MP8887 supports one-time programmable (OTP) memory to provide flexible configurations.
The MP8887 offers a very compact solution with a minimal number of readily available, standard external components. It is available in a QFN-24 (4mmx5mm) package.
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Features & Benefits
- Wide 4.5V to 65V Input Voltage (VIN) Range, with 70V Absolute Maximum Voltage
- Wide 1V to 65V Output Voltage (VOUT) Range
- 0V to 2.047V Feedback (FB) Reference Voltage Range, with 0.5mV/Step
- Up to 9A Peak Output Current (IOUT)
- Up to 97.67% Efficiency at 36V/5A Load
- 180µA Low Quiescent Current (IQ) at I2C Operation Off
- Configurable Peak/Valley Current Limit
- ±5% Output Constant-Current (CC) Limit Accuracy
- Automatic Advanced Asynchronous Modulation (AAM)/Pulse-Width Modulation (PWM) Mode, and Forced PWM Mode with Frequency Spread Spectrum (FSS) Selection
- Configurable 200kHz to 600kHz Switching Frequency (fSW) with Clock Synchronization
- Supports VCC BIAS Function to Improve Efficiency
- Configurable Line Drop Compensation
- Configurable Output Discharge Current
- Over-Voltage Protection (OVP), Over-Current Protection (OCP), Over-Temperature Protection (OTP), and Interrupt
- Power Good (PG) Indication
- Available in a QFN-24 (4mmx5mm) Package with Wettable Flanks
Active Part Numbers:
MP8887GVE-xxxx-Z MP8887GVE-xxxx-P MP8887GVE-0000-Z MP8887GVE-0000-P MP8887GVE-0001-Z MP8887GVE-0001-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z 
Recommended Inductors
Inductor Selector Tool
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