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. 827-9513
Mfr. Part No.BQ77PL157APW-4225
€0.726
Each (In a Pack of 5)
units
- Surface Mount Battery Charge Controller IC TSSOP 16 4.2 to 30 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm +110 °C - - -40 °C
RS Stock No. 823-0066
Mfr. Part No.LTC4053EMSE-4.2#PBF
€3.885
Each (In a Pack of 2)
units
Lithium-Ion Surface Mount Battery Charge Controller IC MSOP 10 4.25 to 6.5 V 3 x 3 x 0.86mm 3mm 3mm 0.86mm +85 °C - - -40 °C
RS Stock No. 145-6564
Mfr. Part No.BQ2057CDGK
€0.741
Each (In a Tube of 80)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 8 4.5 to 15 V 3 x 3 x 0.97mm 3mm 3mm 0.97mm +70 °C - - -20 °C
RS Stock No. 191-5237
Mfr. Part No.DS2788E+
€4.58
Each (In a Tube of 96)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TSSOP 14 2.5 to 4.5 V 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm +70 °C - - -25 °C
RS Stock No. 204-4336
Mfr. Part No.MAX77962EWJ12+
€3.535
Each (In a Pack of 2)
units
- Surface Mount Battery Charge Controller IC WLP 49 3.5 to 23 V - - - - - 1.5A - -
RS Stock No. 162-8490
Mfr. Part No.BQ24640RVAT
€2.095
Each (On a Reel of 250)
units
- Surface Mount Battery Charge Controller IC VQFN 16 5 to 28 V 3.6 x 3.6 x 0.95mm 3.6mm 3.6mm 0.95mm +85 °C 10A 8.1 V -40 °C
RS Stock No. 177-3208
Mfr. Part No.MCP73832T-2ACI/MC
BrandMicrochip
€0.336
Each (In a Pack of 20)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 8 6 V 2 x 3 x 0.95mm 2mm 3mm 0.95mm +125 °C 10mA 4.53 V -40 °C
New
RS Stock No. 212-5571
Mfr. Part No.MAX77975EFD+
€2.164
Each (In a Pack of 5)
units
- Surface Mount - FC2QFN 32 19 V - - - - - 5.5A - -
RS Stock No. 190-4468
Mfr. Part No.DS2781E+
€4.688
Each (In a Tube of 98)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TSSOP 8 2.5 to 10 V 4.4 x 3.1 x 0.95mm 4.4mm 3.1mm 0.95mm +85 °C - 3.1 V -40 °C
RS Stock No. 179-3295
Mfr. Part No.ISL95522HRZ
€5.059
Each (In a Tube of 75)
units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 133-0146
Mfr. Part No.BQ771605DPJT
€0.484
Each (In a Pack of 5)
units
- Surface Mount Battery Fuel Gauge IC WSON 8 3 to 20 V 3.1 x 4.1 x 0.75mm 3.1mm 4.1mm 0.75mm +85 °C 4.5mA, 14 mA 400 mV -40 °C
RS Stock No. 204-4304
Mfr. Part No.MAX17320G22+
€3.024
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. 827-9282
Mfr. Part No.BQ24232RGTT
€1.078
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 16 4.35 to 10.2 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +85 °C 1.5A 4.4 V -40 °C
RS Stock No. 189-7865
Mfr. Part No.MAX713CPE+
€4.134
Each (In a Tube of 25)
units
NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 16 4.5 to 5.5 V 19.43 x 7.87 x 4.45mm 19.43mm 7.87mm 4.45mm +70 °C - - 0 °C
RS Stock No. 189-7034
Mfr. Part No.MAX8903AETI+
€3.448
Each (In a Tube of 75)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 28 4.15 to 16 V 4.1 x 4.1 x 0.75mm 4.1mm 4.1mm 0.75mm +85 °C 500mA 5.4 V -40 °C
RS Stock No. 190-8162
Mfr. Part No.MAX17201G+
€2.765
Each (In a Pack of 2)
units
Lithium-Ion Surface Mount Battery Fuel Gauge IC TDFN 14 2.3 to 4.9 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +85 °C - - -40 °C
RS Stock No. 159-7470
Mfr. Part No.MCP73831-2ATI/MC
BrandMicrochip
€0.296
Each (In a Tube of 150)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 8 3.75 to 6 V 3 x 2 x 0.95mm 3mm 2mm 0.95mm +125 °C - 4.232 V -40 °C
RS Stock No. 189-6937
Mfr. Part No.MAX1737EEI+
€3.47
Each (In a Tube of 50)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC QSOP 28 6 to 28 V 9.98 x 3.99 x 1.651mm 9.98mm 3.99mm 1.651mm +85 °C 4A 4.221 V -40 °C
RS Stock No. 191-6944
Mfr. Part No.DS2782G+
€3.945
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. 168-6814
Mfr. Part No.M4T32-BR12SH6
€6.448
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