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MP8843

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6V, 3A, Synchronous, Step-Down Switcher With I2C Interface

Learn about our Evaluation Kit
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Datasheet (EN)

Product Description

The MP8843 is a highly integrated, high-frequency, synchronous, step-down switcher with an I2C control interface. The MP8843 can support up to 3A of current from a wide 2.6V-to-6V input supply range with excellent load and line regulation. 

Constant-on-time (COT) control provides a fast transient response, high light-load efficiency, and eases loop stabilization.

The I2C interface allows for communication interface speed up to 3.4Mbps. It controls the output voltage from 0.6V to 1.1V on the fly with 3.9mV voltage steps. This interface also controls the output voltage transition slew rate and allows the power-save mode selection to meet different application requirements. 

Protection features include internal soft start (SS), over-current protection (OCP), and over-temperature protection (OTP).

The MP8843 requires a minimal number of readily available, standard, external components and is available in an ultra-small QFN-12 (2mmx2mm) package.

Product Features

  • Wide Input Range from 2.6V to 6V
  • Up to 3A of Continuous Current
  • 55mΩ and 35mΩ Internal Power MOSFET
  • High-Speed I2C Communication Interface up to 3.4MHz
  • I2C Programmable Output Voltage from 0.6V to 1.1V for Direct VOUT Sense
  • VOUT Range Extendable by Adding External Feedback Resistor
  • Programmable Switching Frequency from 1MHz to 2MHz
  • Programmable Voltage Transition Slew Rate
  • I2C Selectable Power Save Mode
  • External and I2C-Controlled Power Good Indicator
  • Internal Soft Start (SS)
  • Short-Circuit Protection (SCP) with Latch-Off
  • Thermal Shutdown
  • Available in a QFN-12 (2mmx2mm) Package

Parametrics

  • fsw (max) (kHz)2000
  • Vin (min) (V)2.6
  • Vin (max) (V)6
  • Iout (max) (A)3
  • Vfb (typ) (V)0.6
  • Iq (typ) (mA)0.06
  • GradeCatalog
  • PackageQFN-12 (2x2)
  • Control ModeCOT
  • Common FeaturesLight-Load Efficiency, Power Good, Synchronous Rectification
  • Special FeaturesDynamic Voltage Scaling, I2C Interface, Programmable Frequency, Programmable Output Voltage, Selectable Power-Saving Mode

EVKT-8843


6V, 3A, Synchronous, Step-Down Switcher

The MP8843 is a highly integrated, high-frequency, synchronous, step-down switcher with an I2C control interface. The MP8843 can support up to 3A of current from a wide 2.6V-to- 6V input supply range with excellent load and line regulation.

Highly customizable, the MP8843 is capable of supporting a diverse array of low-voltage applications. Users can program it via an MPS I2C GUI; however, changes made in I2C mode will not be retained once the EVB is powered down. Once information is written to the PMIC in OTP mode, it cannot be changed.

The EVKT8843 is a valuable evaluation tool well-suited for all types of experience levels, from beginner to expert, and can help users quickly determine if the MP8843 is right for their target application.

$75.00 + tax


EV8843-G-00A


6V, 3A, Synchronous, Step-Down Switcher With I2C Interface

The EV8843-G-00A is used for demonstrating the performance of MP8843, a highly integrated, high frequency, synchronous, step-down switcher with I2C control interface.

MP8843 supports up to 3A current from a wide input supply range of 2.5V to 6V with excellent load and line regulation. Constant-on-time (COT) control provides fast transient response, high light-load efficiency and easy loop stabilization. The I2C interface allows for communication interface speed up to 3.4Mbps. It controls the output voltage on the fly from 0.6V to 1.1V with 3.9mV voltage steps and it also controls the output voltage transition slew rate. The interface also allows for the selection of power-save mode to meet different application requirements. Protection features include internal soft-start, over-current protection, and over-temperature protection. MP8843 is available in 2mmx2mm 12-pin QFN package.

$25.00 + tax


MP88xx I2C GUI


Configure multiple parameters of the MP88xx including output voltage and fsw.

This I2C GUI allows you to program the MP88xx . By using this I2C GUI, you can set the output voltage, switching frequency, slew rate, and operation mode. Please reference the parts respective user guides for installation and programing instructions.

System Requirements:

Windows 7 or later

.Net Framework 4 or later


EVKT-USBI2C-02


Communication Interface Device USB to I2C/PMBus, included with product evaluation kit or can be purchased separately. 

The EVKT-USBI2C-02 is included with the product evaluation kit, or it can be purchased separately. This communication interface provides the USB to I2C port as well as PMBus capabilities. It is designed to work with MPS I2C and PMBus products, and Virtual Bench Pro, and I2C GUI tools.  Together with MPS Virtual Bench Pro and I2C GUI tools, it provides a quick and easy way to evaluate the performance of MPS digital products.

The EVKT-USBI2C-02 kit includes:

  • 1 USB to I2C communication device interface
  • 1 USB cable
  • 1 10-pin ribbon cable
  • 1 3-pin ribbon cable
  • Thumbdrive with datasheet and driver files

$25.00 + tax