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. 827-9392
Mfr. Part No.BQ27425YZFT-G2A
kr 11,86
Each (In a Pack of 2)
Units
- Surface Mount - DSBGA 15 2.8 → 4.5 V 2.64 x 1.986 x 0.275mm 2.64mm 1.986mm 0.275mm +85 °C 5mA 2.6 V -40 °C
RS Stock No. 912-6836
Mfr. Part No.MCP73213-A6SI/MF
BrandMicrochip
kr 12,43
Each (In a Tube of 120)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 10 4.2 to 13 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
kr 23,254
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. 823-9219
Mfr. Part No.BQ29700DSET
kr 6,74
Each (In a Pack of 10)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC WSON 6 -0.3 to 8 V 1.55 x 1.55 x 0.8mm 1.55mm 1.55mm 0.8mm +85 °C - 8 V -40 °C
RS Stock No. 190-4515
Mfr. Part No.MAX1870AETJ+
kr 92,563
Each (In a Tube of 60)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 32 8 to 28 V 5 x 5 x 0.75mm 5mm 5mm 0.75mm +85 °C - - -40 °C
RS Stock No. 817-5868
Mfr. Part No.BQ24450DW
kr 122,96
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. 687-8672
Mfr. Part No.MCP73114-0NSI/MF
BrandMicrochip
kr 10,65
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 10 4.2 to 6.5 V 3 x 3 x 0.88mm 3mm 3mm 0.88mm +85 °C 1.1A - -40 °C
RS Stock No. 189-6905
Mfr. Part No.DS9034PCX+
kr 87,126
Each (In a Tube of 19)
Units
- Surface Mount Battery Backup IC PowerCap Module 34 - 23.5 x 25.02 x 2.03mm 23.5mm 25.02mm 2.03mm +70 °C - - 0 °C
RS Stock No. 160-4451
Mfr. Part No.ADP2291ARMZ-R7
kr 19,511
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. 165-1961
Mfr. Part No.MCP73833-AMI/MF
BrandMicrochip
kr 5,986
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 1A 4.533 V -40 °C
RS Stock No. 162-9695
Mfr. Part No.BQ24773RUYT
kr 30,24
Each (On a Reel of 250)
Units
NVDC Surface Mount Battery Charge Controller IC WQFN 28 4.5 to 24 V 4.15 x 4.15 x 0.75mm 4.15mm 4.15mm 0.75mm +85 °C - - -40 °C
RS Stock No. 204-4303
Mfr. Part No.MAX17320G22+
kr 34,691
Each (On a Tape of 10)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TQFN 24 4.2 to 18 V - 2mm - - - - - -
RS Stock No. 159-7461
Mfr. Part No.MCP73833-FCI/MF
BrandMicrochip
kr 5,986
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. 858-0800
Mfr. Part No.LTC4006EGN-4#PBF
kr 81,48
Each (In a Pack of 2)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC SSOP 16 - 4.978 x 3.988 x 1.501mm 4.98mm 3.988mm 1.501mm +85 °C - - -40 °C
RS Stock No. 208-8467
Mfr. Part No.BQ76200PWR
kr 24,70
Each (In a Pack of 5)
Units
Lead-Acid Surface Mount - SOIC 16 100 V - - - - - 9.5µA - -
RS Stock No. 190-0151
Mfr. Part No.MAX1811ESA+
kr 28,59
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOIC 8 4.35 to 6.5 V 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C - - -40 °C
RS Stock No. 190-4516
Mfr. Part No.MAX1873SEEE+
kr 28,587
Each (In a Tube of 100)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC QSOP 16 6 to 28 V 4.98 x 3.99 x 1.49mm 4.98mm 3.99mm 1.49mm +85 °C - 5.65 V -40 °C
RS Stock No. 189-6898
Mfr. Part No.DS2438AZ+
kr 40,66
Each (In a Tube of 100)
Units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Fuel Gauge IC SOIC 8 2.4 to 10 V 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C - - -40 °C
RS Stock No. 911-5546
Mfr. Part No.MCP73831T-2ATI/OT
BrandMicrochip
kr 3,862
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. 204-4336
Mfr. Part No.MAX77962EWJ12+
kr 45,115
Each (In a Pack of 2)
Units
- Surface Mount Battery Charge Controller IC WLP 49 3.5 to 23 V - - - - - 1.5A - -