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- MP2650
MP2650
I2C-Controlled, 5A Buck or Boost Charger with NVDC Power Management and USB OTG for 2-Cell to 4-Cell Battery Pack Applications
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Description
The MP2650 is a highly integrated buck or boost charger IC with narrow-voltage DC (NVDC) power path management and USB On-The-Go (OTG). It is designed for battery packs with 2 cells to 4 cells in series. All power MOSFETs are integrated to provide a compact system solution size. The IC can accept a wide input voltage (VIN) range for charging, with a 21V maximum VIN. The MP2650 has two operating modes during the charging process: boost charging mode and buck charging mode, depending on VIN and the cell count.
With the I2C interface, the MP2650 can be flexibly configured to set the parameters in boost charging mode, buck charging mode, and OTG mode. The parameters include the input current limit (IIN_LIM), VIN limit (VIN_LIM), charge current (ICHARGE), battery charge voltage regulation (VBATT_REG), and safety charge timer. The I2C can also provide the IC’s operation status via the fault and status registers.
To guarantee safe operation, the IC limits the die temperature to a preset value of 120°C. Other safety features include input over-voltage protection (OVP), battery OVP, system OVP, thermal shutdown, battery temperature protection, and a configured timer to prevent prolonged charging of a dead battery. To comply with IMVP8 specifications, the IC provides three analog output pins for system power (PSYS), input current (IAM), and battery current (IBM). It also has a processor hot indication pin (PROCHOT) for system power control.
NVDC power path management regulates the system voltage (VSYS) within a narrow DC range to provide an optimized bus voltage (VBUS) for the rails at the system bus. This allows the system to operate even when the battery is completely depleted or removed. The MP2650 is available in a QFN-30 (4mmx5mm) package.
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Features & Benefits
- Buck or Boost Charger for Battery Packs with 2 Cells to 4 Cells in Series
- All Switching MOSFETs are Integrated
- Narrow-Voltage DC (NVDC) Power Management with an Integrated Battery MOSFET
- 4V to 21V Operating Input Voltage (VIN) Range
- Up to 28V (20ns) Sustainable VIN
- Configurable VIN Limit
- Up to 5A Configurable Input Current (IIN) Limit (Up to 45W Total Power)
- Up to 5A Configurable Charge Current (ICHARGE)
- Configurable Battery Charge Voltage Regulation (VBATT_REG) Up to 4.5V/Cell
- System Power Indication via the PSYS Pin
- IIN and Battery Current Monitoring via the IAM and IBM Pins
- Input Over-Voltage Protection (OVP), Battery Temperature Protection, Battery OVP, and System OVP
- Configurable Safety Charge Timer
- Thermal Regulation and Thermal Shutdown
- 600kHz, 800kHz, 1MHz, or 1.25MHz Configurable Switching Frequency (fSW)
- Input Power Source Status Indication Pin
- I2C Interface to Support Flexible Parameter Control
- Comprehensive Fault and Status Reporting in Register
- Up to 5V/3A USB On-The-Go (OTG)
- Configurable OTG Output Current (IOUT) Limit
- Short-Circuit Protection (SCP) in OTG Mode
- Available in a QFN-30 (4mmx5mm) Package

Active Part Numbers:
MP2650GV-xxxx-Z MP2650GV-xxxx-P MP2650GV-0200-Z MP2650GV-0200-P MP2650GV-0300-Z MP2650GV-0300-P MP2650GV-0400-Z MP2650GV-0400-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP2650 Resources
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ARTICLE
BATTERY CHARGER FUNDAMENTALSARTICLELi-ion battery charger ICs are devices that regulate battery charging current and voltage, and are commonly used for portable devices, such as cellphones, laptops, and tablets. Compared to other battery chemistries, Li-ion batteries have one of the highest energy densities, provide a higher voltage per cell, can tolerate higher currents, and do not have to be trickle charged when the battery is fu...
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VIDEO
MP2760 & MP2651: COMPACT BUCK-BOOST CHARGERS WITH INTEGRATED FETS FOR USB PD 3.0VIDEOThe MP2760 and MP2651 are 5V to 21V, 6A, integrated FET buck-boost chargers capable of supporting 1 to 4 cells in series. As the lowest RDS(ON) integrated FET buck-boost chargers on the market, offering excellent thermals for fast charging applications. They provide full dual-role USB PD 3.0 support, and their compact size saves space in a variety of multi-cell applications, including tablets, USB...
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REFERENCE DESIGN
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REFERENCE DESIGN
MP2659 REFERENCE DESIGN: 12V LEAD-ACID BATTERY CHARGING SOLUTIONREFERENCE DESIGN -
ARTICLE
INTEGRATED SOLUTION FOR MULTIPLE LI-ION/LI-POLYMER BATTERIESARTICLEElectrical equipment such as industrial medical equipment, robot vacuums, drones, and high-power speakers need multi-cell battery chargers for power. The traditional solution for multi-cell battery chargers is composed of several discrete power MOSFETs and multiple auxiliary components. Figure 1 shows that in a traditional solution, designers need at least two power MOSFETs for a power converter,...
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ARTICLE
A CHARGER IC, N KINDS OF APPLICATIONSARTICLEThe MP2639A is a fully integrated and flexible battery charge management IC that can charge two cells in series from a 5V power supply. USB ports are widely used by portable devices due to their universal compatibility and reduced e-waste of in-box power supplies. Furthermore, with the increased proliferation of USB Type-C, it is now possible to draw up to 15W of power from a standard USB power su...
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