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. 714-0861
Mfr. Part No.M4T32-BR12SH6
SGD16.77
Each
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 3 V 21.84 x 18.03 x 8.51mm 21.84mm 18.03mm 8.51mm +85 °C - - -40 °C
RS Stock No. 168-6814
Mfr. Part No.M4T32-BR12SH6
SGD15.12
Each (In a Tube of 23)
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 3 V 21.84 x 18.03 x 8.51mm 21.84mm 18.03mm 8.51mm +85 °C - - -40 °C
RS Stock No. 159-7407
Mfr. Part No.MCP73833-FCI/UN
BrandMicrochip
SGD1.061
Each (In a Tube of 100)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +85 °C - 4.533 V -40 °C
RS Stock No. 822-6691
Mfr. Part No.LTM8062AEV#PBF
SGD33.24
Each
units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC LGA 77 6 to 32 V 15 x 9 x 4.42mm 15mm 9mm 4.42mm +125 °C - - -40 °C
RS Stock No. 724-0523
Mfr. Part No.MCP73833-FCI/UN
BrandMicrochip
SGD1.406
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 10 3.75 → 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +85 °C - 4.533 V -40 °C
RS Stock No. 822-6588
Mfr. Part No.LT1513-2CR#PBF
SGD16.33
Each
units
Lead-Acid, Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC D2PAK 7 2.7 to 25 V 10.541 x 9.398 x 4.572mm 10.54mm 9.398mm 4.572mm +125 °C - - 0 °C
RS Stock No. 714-0868
Mfr. Part No.M4T32-BR12SH1
SGD15.24
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. 162-8512
Mfr. Part No.BQ51050BYFPT
SGD4.652
Each (On a Reel of 250)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DSBGA 28 4 to 10 V 3.036 x 1.913 x 0.31mm 3.04mm 1.913mm 0.31mm +125 °C 1.5A 4.22 V 0 °C
RS Stock No. 827-9493
Mfr. Part No.BQ51050BYFPT
SGD6.17
Each (In a Pack of 2)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DSBGA 28 4 to 10 V 3.036 x 1.913 x 0.31mm 3.04mm 1.913mm 0.31mm +125 °C 1.5A 4.22 V 0 °C
RS Stock No. 162-6881
Mfr. Part No.BQ2000SN-B5
SGD4.93
Each (In a Tube of 75)
units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC SOIC 8 5 V 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm +70 °C - - -20 °C
RS Stock No. 662-2104
Mfr. Part No.BQ2000SN-B5
SGD5.59
Each
units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC SOIC 8 5 V 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm +70 °C - - -20 °C
RS Stock No. 506-2047
Mfr. Part No.LTC4411ES5#TRMPBF
SGD6.98
Each
units
- Surface Mount Battery Charge Controller IC SOT-23 5 2.6 to 5.5 V 5.004 x 3.988 x 1.498mm 5mm 3.988mm 1.498mm +70 °C 2.6A - 0 °C
RS Stock No. 738-6360
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
SGD0.918
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 → 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
SGD0.684
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. 662-2176
Mfr. Part No.BQ2057CSN
SGD3.392
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOIC 8 4.5 → 15 V 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm +70 °C - - -20 °C
RS Stock No. 809-9853
Mfr. Part No.ADP2291ARMZ-R7
SGD6.155
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. 687-9388
Mfr. Part No.MCP73113-06SI/MF
BrandMicrochip
SGD1.69
Each
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 10 4.2 → 6.5 V 3 x 3 x 0.88mm 3mm 3mm 0.88mm +85 °C 1.1A - -40 °C
RS Stock No. 162-6880
Mfr. Part No.BQ2000PN-B5
SGD4.038
Each (In a Tube of 50)
units
Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 5 V 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm +70 °C - - -20 °C
RS Stock No. 825-5494
Mfr. Part No.UCC28722DBVT
SGD1.394
Each (In a Pack of 10)
units
- Surface Mount Battery Charge Controller IC SOT-23 6 9 to 35 V 3.05 x 1.75 x 1.3mm 3.05mm 1.75mm 1.3mm +125 °C - - -40 °C
RS Stock No. 662-2091
Mfr. Part No.BQ2000PN-B5
SGD5.61
Each
units
Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 5 V 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm +70 °C - - -20 °C