MP2644

MP2644

5-Cell, 1A Battery Active Balancer with Stackable Interface

Parameters Description

Topology
Bidirectional, Buck-Boost
Cell Coverage
5 Cells
Minimum Vin Voltage (V)
5
Maximum Vin Voltage (V)
24
Maximum Net Balance Current (A)
1
Minimum Operating Vcell (V)
1
Maximum Operating Vcell (V)
4.8
Efficiency @ Vcell=3.3V
93%
Battery Type
Li-Ion, Li-Polymer, LFP
Control Interface
One-Wire Serial
Package (mm)
QFN-19 (4x4)

The MP2644 is a 5-cell, highly integrated, bidirectional, buck-boost active balancer with novel, MPS-patented topology.

A single MP2644 can redistribute charge between 5 series cells, including Li-ion, Li-polymer, and LiFePO4 batteries or supercapacitors. The device operates with 2 to 5 cells and tolerates stack voltages up to 40V. It can be configured for up to 1A of charge redistribution.

As an alternative to dissipating energy with passive balancing, the MP2644 efficiently moves charge between cells with much faster balancing and minimal heat generation. It can also compensate for cell capacity mismatch to extend battery runtime. By overlapping multiple devices, active balancing can be achieved across long, high-voltage battery stacks.

The MP2644 is easily controlled via a simple, robust one-wire interface. Its stacking feature allows up to 8 series devices, balancing up to 33 series cells, to be operated from a single control signal.

The MP2644 is available in a QFN-19 (4mmx4mm) package.

Features & Benefits

2-Cell to 5-Cell Active Balancer
Only 1 Inductor Required
40V Max Stack Voltage
Up to 1A of Balance Current
One-Wire Interface
Stackable Operation and Communication
Supports Parallel Operation for Higher Balancing Current
Directly Powered from Battery Cells
Includes Watchdog Timer
Pack Over-Voltage Protection (OVP)
Thermal Shutdown Protection
Available in a QFN-19 (4mmx4mm) Package

Active Part Numbers:

MP2644GRE-xxxx-Z MP2644GRE-xxxx-P MP2644GRE-0000-Z MP2644GRE-0000-P

Meaning of P & Z

Related Products

MP2645A 5-Cell, Battery Active Balancer with a Stackable Interface

The MP2645A is a 5-cell, highly integrated, bidirectional, buck-boost active balancer with a novel, MPS-patented topology.

A single MP2645A can redistribute charge between 5 series cells, including Li-ion, Li-polymer, and LiFePO₄ batteries or super capacitors. The MP2645A operates with 2 to 5 cells and tolerates stack voltages up to 40V. The MP2645A can be configured for up to 3A of charge redistribution.

As an alternative to dissipating energy with passive balancing, the MP2645A efficiently moves charge between cells with much faster balancing and minimal heat generation. The MP2645A can also compensate for cell capacity mismatch to extend battery runtime. By overlapping multiple MP2645A devices, active balancing can be achieved across long, high-voltage battery stacks.

The MP2645A is easily controlled via a simple, robust, one-wire interface. A stacking feature allows up to 8 series devices, balancing up to 33 series cells, to be operated from a single control signal.

The MP2645A is available in a QFN-19 (4mmx4mm) package.