Battery Management

Battery management devices are designed to work alongside battery powered applications. Adding a battery management IC to an electronic circuit can help to create a more efficient and reliable design which will last longer. Battery management can be used to reduce charging time, whilst enabling safe charging and low standby power usage. As electronic systems become more complex, it is essential to provide support through battery and power management ICs.

Battery management can be used with different types of battery, depending on the device. These battery types include lead-acid, Li-Ion, Lithium-Polyment, NiCD and NiMH.

Types of Battery Management IC

  • Battery Chargers are designed to help charge the battery quickly whilst keeping it cool. Chargers work with rechargeable battery packs.
  • Battery Fuel Gauges are available to give information on the charge of a battery. The fuel gauge gives information on the amount of charge available and the health status.
  • Battery Monitors (or Battery Backup Managers) provide monitoring and supervision of the battery performance. They can monitor the voltage, current and temperature to prevent any damage to the battery. Battery backup managers offer backup power from the battery in case of a power outage.

Where are Battery Management ICs used?

These devices are found in most systems that use a rechargeable battery power supply, such as portable and wearable devices. Applications include:

  • Smartphones
  • Laptops
  • Tablets
  • Cameras
  • Battery Powered Tools
  • Electric cars
  • Solar Panels
  • Automation

What is a BMS?

BMS stands for Battery Management System. This is an electronic circuit that monitors and protects a rechargable battery. Battery Management Systems feature devices such as a charge controller, gauge and surge protector, to ensure that the battery does not operate outside of its capabilities. Therefore a BMS provides protection and increases the potential lifespan of the battery.


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Description Price Battery Type Mounting Type IC Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height Maximum Operating Temperature Maximum Output Current Maximum Output Voltage Minimum Operating Temperature
RS stock no. 738-6360
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
R 14.124
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C - - -40 °C
RS stock no. 889-5871
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
R 7.138
Each (On a Reel of 3000)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C 500mA - -40 °C
RS stock no. 920-6358
Mfr. Part No.M4T28-BR12SH1
R 77.843
Each (In a Tube of 23)
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 7.75mm 21.84mm 14.99mm 7.75mm +70 °C - - 0 °C
RS stock no. 189-1239
Mfr. Part No.M4T28-BR12SH1
R 144.33
Each
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 7.75mm 21.84mm 14.99mm 7.75mm +70 °C - - 0 °C
RS stock no. 761-8796
Mfr. Part No.LT3652EMSE#PBF
R 123.88
Each
units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer, NiCD, NiMH Surface Mount Battery Charge Controller IC MSOP 12 4.95 to 32 V 4.039 x 3 x 0.86mm 4.04mm 3mm 0.86mm +125 °C 2A 14.4 V -40 °C
RS stock no. 911-5546
Mfr. Part No.MCP73831T-2ATI/OT
BrandMicrochip
R 6.904
Each (On a Reel of 3000)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C 500mA 4.232 V -40 °C
RS stock no. 738-6617
Mfr. Part No.MCP73831T-2ATI/OT
BrandMicrochip
R 13.964
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C 500mA 4.232 V -40 °C
RS stock no. 779-9316
Mfr. Part No.LT1510CS8#PBF
R 115.475
Each (In a Pack of 2)
units
Lithium-Ion, NiMH Surface Mount Battery Charge Controller IC SOIC 8 30 V 10.008 x 3.988 x 1.498mm 10.01mm 3.988mm - +125 °C 1.5A 20 V -40 °C
RS stock no. 159-7461
Mfr. Part No.MCP73833-FCI/MF
BrandMicrochip
R 10.70
Each (In a Tube of 120)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +125 °C - - -40 °C
RS stock no. 823-0625
Mfr. Part No.MCP73833-FCI/MF
BrandMicrochip
R 13.968
Each (In a Pack of 10)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +125 °C - - -40 °C
RS stock no. 889-5893
Mfr. Part No.MCP73811T-420I/OT
BrandMicrochip
R 6.816
Each (On a Reel of 3000)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C - - -40 °C
RS stock no. 738-6367
Mfr. Part No.MCP73811T-420I/OT
BrandMicrochip
R 13.096
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 to 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C - - -40 °C
RS stock no. 714-0868
Mfr. Part No.M4T32-BR12SH1
R 193.50
Each
units
- Through Hole Battery Backup IC SNAPHAT 4 - 21.84 x 14.99 x 6.99mm 21.84mm 14.99mm 6.99mm +70 °C - - 0 °C
RS stock no. 917-5885
Mfr. Part No.MP2625GL-P
R 46.09
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 20 4.5 to 12 V 3.1 x 4.1 x 0.95mm 3.1mm 4.1mm 0.95mm +125 °C 2A 4.6 V -40 °C
RS stock no. 817-5868
Mfr. Part No.BQ24450DW
R 190.85
Each
units
Lead-Acid Surface Mount Battery Charge Controller IC SOIC 16 5 to 40 V 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm +70 °C >2A 2.6 V -40 °C
RS stock no. 809-9853
Mfr. Part No.ADP2291ARMZ-R7
R 62.42
Each (In a Pack of 2)
units
Lithium-Ion Surface Mount Battery Charge Controller IC MSOP 8 - 3.2 x 3.2 x 0.95mm 3.2mm 3.2mm 0.95mm +85 °C 1.5A 4.2 V -40 °C
RS stock no. 170-9382
Mfr. Part No.MP2625GL-P
R 27.166
Each (On a Reel of 500)
units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 20 4.5 to 12 V 3.1 x 4.1 x 0.95mm 3.1mm 4.1mm 0.95mm +125 °C 2A 4.6 V -40 °C
RS stock no. 160-4451
Mfr. Part No.ADP2291ARMZ-R7
R 34.943
Each (On a Reel of 1000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC MSOP 8 - 3.2 x 3.2 x 0.95mm 3.2mm 3.2mm 0.95mm +85 °C 1.5A 4.2 V -40 °C
RS stock no. 162-8098
Mfr. Part No.BQ24450DW
R 168.114
Each (In a Tube of 40)
units
Lead-Acid Surface Mount Battery Charge Controller IC SOIC 16 5 to 40 V 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm +70 °C >2A 2.6 V -40 °C
RS stock no. 884-7030
Mfr. Part No.LTC4071EMS8E#PBF
R 88.53
Each (In a Pack of 2)
units
Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 8 4.2 V 3 x 3 x 0.86mm 3mm 3mm 0.86mm +125 °C - - -40 °C