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. 922-4719
Mfr. Part No.BQ2057CSN
kr 15,923
Each (In a Tube of 75)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOIC 8 4.5 to 15 V 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm +70 °C - - -20 °C
RS Stock No. 162-9692
Mfr. Part No.BQ24250CYFFT
kr 25,09
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC DSBGA 30 4.35 to 10.5 V 2.41 x 2.01 x 0.32mm 2.41mm 2.01mm 0.32mm +85 °C 4A 5.25 V -40 °C
New
RS Stock No. 210-5532
Mfr. Part No.MAX77960EFV06+
kr 28,686
Each (In a Tray of 490)
Units
Lithium-Ion Surface Mount - FC2QFN 30 25.4 V - - - - - 3300mA - -
RS Stock No. 189-2089
Mfr. Part No.STC3115AIQT
kr 26,83
Each (In a Pack of 5)
Units
- Surface Mount Battery Charge Controller IC DFN 10 2.7 to 4.5 V 3.1 x 2.1 x 0.55mm 3.1mm 2.1mm 0.55mm +85 °C - - -40 °C
RS Stock No. 165-9229
Mfr. Part No.MAX745EAP+
kr 69,063
Each (In a Tube of 66)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SSOP 20 6 to 24 V 7.33 x 5.38 x 1.78mm 7.33mm 5.38mm 1.78mm +85 °C - - -40 °C
New
RS Stock No. 214-8805
Mfr. Part No.LC06511F3BMXTAG
kr 7,413
Each (In a Pack of 10)
Units
Lithium-Ion Surface Mount - X2DFN6 6 - - - - - - - - -
RS Stock No. 825-5494
Mfr. Part No.UCC28722DBVT
kr 7,436
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
New
RS Stock No. 212-3270
Mfr. Part No.MAX77962EWJ06+T
kr 41,73
Each (In a Pack of 2)
Units
Lithium-Ion Through Hole - 49-Bump WLP 49 7.6 V - - - - - 3.2A - -
RS Stock No. 145-7834
Mfr. Part No.BQ29200DRBT
kr 3,435
Each (On a Reel of 250)
Units
- Surface Mount Battery Fuel Gauge IC SON 8 4 to 10 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +85 °C - 9.5 V -40 °C
RS Stock No. 827-9327
Mfr. Part No.BQ24392RSER
kr 7,099
Each (In a Pack of 10)
Units
- Surface Mount Battery Charge Controller IC UQFN 10 4.75 to 5.25 V 2.05 x 1.55 x 0.55mm 2.05mm 1.55mm 0.55mm +85 °C - - -40 °C
RS Stock No. 669-6187
Mfr. Part No.MCP73871-2AAI/ML
BrandMicrochip
kr 17,34
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC QFN 20 4.5 to 6 V 4 x 4 x 0.88mm 4mm 4mm 0.88mm +85 °C 1A - -40 °C
RS Stock No. 181-7016
Mfr. Part No.ISL9241HRTZ-T7A
kr 38,264
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 32 3.9 to 23.4 V 4 x 4 x 0.7mm 4mm 4mm 0.7mm +100 °C - 18.304 V -10 °C
RS Stock No. 159-6635
Mfr. Part No.MCP73123-22SI/MF
BrandMicrochip
kr 7,819
Each (In a Tube of 120)
Units
Lithium-Ion 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. 204-4302
Mfr. Part No.MAX17320G20+
kr 29,44
Each (In a Pack of 5)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TQFN 24 4.2 to 18 V - 2mm - - - - - -
RS Stock No. 145-1045
Mfr. Part No.BQ2002TSN
kr 21,472
Each (In a Tube of 75)
Units
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 - - 0 °C
RS Stock No. 732-8730
Mfr. Part No.MAX1555EZK+T
kr 16,74
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.7 to 7 V 3 x 1.65 x 0.9mm 3mm 1.65mm 0.9mm +85 °C 280mA 4.2 V -40 °C
RS Stock No. 191-6944
Mfr. Part No.DS2782G+
kr 42,89
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TDFN 10 2.5 to 4.5 V 4.1 x 3.1 x 0.75mm 4.1mm 3.1mm 0.75mm +85 °C - - -40 °C
RS Stock No. 189-6905
Mfr. Part No.DS9034PCX+
kr 74,412
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. 162-8487
Mfr. Part No.BQ24617RGET
kr 37,152
Each (On a Reel of 250)
Units
- Surface Mount Battery Charge Controller IC VQFN 24 5 to 24 V 4.15 x 4.15 x 0.95mm 4.15mm 4.15mm 0.95mm +85 °C 10A 6.3 V -40 °C
RS Stock No. 779-9316
Mfr. Part No.LT1510CS8#PBF
kr 64,575
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