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  3. Monolithic Power Systems — MP272x NVDC Buck Charger

Monolithic Power Systems — MP272x NVDC Buck Charger

 

Monolithic Power Systems

Monolithic Power Systems – MP272x NVDC Buck Charger

Optimizes charger efficiency, reduces charging time and extends battery life

The Monolithic Power Systems MP272x is a highly integrated, 2.5A/5A switch-mode battery management family for single-cell Li-ion or Li-polymer batteries.

  • MP2720
  • MP2721
  • MP2722

The Main Differences Among MP2720, MP2721 and MP2722:

 Feature MP2720 MP2721 MP2722
Operating Input Voltage 4V to 6.3V 4V to 14V 4V to 14V
NVDC Power Path Charge Current 2.5A 5A 5A

 

Unique Features to MP2722:

  • Fully USB Type-C 1.3 Compliant
  • Fully –integrated CC Controller with DRP Mode
  • Try.SNK and Try.SRC Mode

 

NVDC Structure
The narrow voltage DC (NVDC) power management structure provides a low impedance power path that optimizes charging efficiency, reduces battery charging time, and extends battery life during discharging.

USB Type-C
The MP2722 Buck Charger by Monolithic Power Systems is fully compliant with USB Type-C 1.3 with dual-role power (DRP) functions, as well as Try.SNK and Try.SRC mode support. USB battery charging specification 1.2 (BC1.2) and non-standard adapter detection are also supported by the input source type identification algorithm.

Interface
The I2C interface offers complete operating control, charging parameter configuration, and status/interrupt monitoring. The full group of battery-management devices supports a fully customizable JEITA profile with configurable temperature windows and actions.

Package
The MP272x Buck Charger portfolio is available in a QFN-22 (2.5mmx3.5mm) package.

 

KEY FEATURES

MP2720: 1-Cell 2.5A NVDC Buck Charger with 1.5A OTG

Features

  • 4V to 6.3V Operating Input Voltage
  • 26V Absolute Max Input Voltage
  • NVDC power path with 2.5A charge current
  • Integrated BC1.2 detection
  • Input voltage and current limit regulation
  • +/- 5% input current limit and charge current accuracy
  • 1.5A OTG current limit with adjustable 4.7-5.4V output voltage
  • Programmable die temperature regulation

 

  • 750kHz to 1.5MHz programmable switching frequency
  • Fully programmable charging parameters over I2C
  • Advanced safety features including JEITA, safety timer, input & output OCP/OVP, thermal regulation, lockable registers
  • Factory ship mode control with 10uA battery leakage current
  • Dual NTC monitors for parallel cells or PCB temp

Applications

  • Bluetooth Headphones
  • Bluetooth Speakers
  • Drone and Gaming Controllers

 

MP2721: 1-Cell 5A NVDC Buck Charger with 1.5A OTG

Features

  • 4V to 14V Operating Input Voltage
  • 26V Absolute Max Input Voltage
  • NVDC power path with 5A charge current
  • Integrated BC1.2 detection
  • Input voltage and current limit regulation
  • +/- 5% input current limit and charge current accuracy
  • 1.5A OTG current limit with adjustable 4.7-5.4V output voltage

 

  • Programmable die temperature regulation
  • 750kHz to 1.5MHz programmable switching frequency
  • Fully programmable charging parameters over I2C
  • Advanced safety features including JEITA, safety timer, input & output OCP/OVP, thermal regulation, lockable registers
  • Factory ship mode control with 10uA battery leakage current
  • Dual NTC monitors for parallel cells or PCB temp

Applications

  • Bluetooth Speakers
  • POS machines
  • Drone Controller
  • Wireless Devices

 

MP2722: 1-cell USB-C 5A NVDC Buck Charger with 1.5A OTG

Features

  • 4V to 14V Operating Input Voltage
  • 26V Absolute Max Input Voltage
  • NVDC power path with 5A charge current
  • Integrated BC1.2 detection
  • Fully USB Type-C 1.3 Compliant
  • Fully –integrated CC Controller with DRP Mode
  • Try.SNK and Try.SRC Mode
  • Input voltage and current limit regulation
  • +/- 5% input current limit and charge current accuracy

 

  • 1.5A OTG current limit with adjustable 4.7-5.4V output voltage
  • Programmable die temperature regulation
  • 750kHz to 1.5MHz programmable switching frequency
  • Fully programmable charging parameters over I2C
  • Advanced safety features including JEITA, safety timer, input & output OCP/OVP, thermal regulation, lockable registers
  • Factory ship mode control with 10uA battery leakage current
  • Dual NTC monitors for parallel cells or PCB temp

Applications

  • General <=15W USB-C Applications
  • Bluetooth Headphones
  • Bluetooth Speakers
  • POS Terminals
  • Portable Cameras

 

MP2722 Typical Application Schematic

Monolithic Power Systems — MP272x NVDC Buck Charger Typical Application Schematic

Resources

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