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. 181-7016
Mfr. Part No.ISL9241HRTZ-T7A
kr 65,537
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. 179-3296
Mfr. Part No.ISL95522IRZ
kr 62,699
Each (In a Tube of 75)
Units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 181-7017
Mfr. Part No.ISL9241EVAL1Z
kr 2 515,86
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC - - 3.9 to 23.4 V - - - - - - 18.304 V -
RS Stock No. 193-1544
Mfr. Part No.ISL94202IRTZ-T7A
kr 71,907
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 48 - 6 x 6 x 0.75mm 6mm 6mm 0.75mm +85 °C 62µA 2.5 V -40 °C
RS Stock No. 179-3295
Mfr. Part No.ISL95522HRZ
kr 63,254
Each (In a Tube of 75)
Units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 923-1452
Mfr. Part No.ICL7673CBAZA
kr 20,122
Each (In a Tube of 98)
Units
- Surface Mount Battery Backup IC SOIC 8 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +70 °C - - 0 °C
RS Stock No. 204-7655
Mfr. Part No.ISL94216IRZ
kr 77,95
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC LQFN 64 3.3 V - - - - - 0.025mA - -
RS Stock No. 921-5624
Mfr. Part No.ICL7673CBAZA
kr 31,636
Each (In a Pack of 5)
Units
- Surface Mount Battery Backup IC SOIC 8 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +70 °C - - 0 °C
RS Stock No. 179-3302
Mfr. Part No.ISL95522HRZ
kr 70,50
Each (In a Pack of 2)
Units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 181-7037
Mfr. Part No.ISL9241HRTZ-T7A
kr 107,52
Each
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. 179-3303
Mfr. Part No.ISL95522IRZ
kr 69,415
Each (In a Pack of 2)
Units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 193-1546
Mfr. Part No.ISL94202IRTZ-T7A
kr 110,34
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 48 - 6 x 6 x 0.75mm 6mm 6mm 0.75mm +85 °C 62µA 2.5 V -40 °C