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. 162-8101
Mfr. Part No.BQ24707RGRT
kr 32,26
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC VQFN 20 4.5 to 24 V 3.65 x 3.65 x 0.95mm 3.65mm 3.65mm 0.95mm +85 °C 8.128A 19.2 V -40 °C
RS Stock No. 189-6900
Mfr. Part No.DS2715Z+
kr 46,475
Each (In a Tube of 50)
Units
NiMH Surface Mount Battery Charge Controller IC SOIC 16 4.5 to 5.5 V 10 x 4 x 1.5mm 10mm 1.5mm 4mm +85 °C - - -20 °C
RS Stock No. 190-4482
Mfr. Part No.MAX1551EZK+T
kr 9,26
Each (On a Reel of 2500)
Units
Lithium-Ion 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 - - -40 °C
RS Stock No. 162-8507
Mfr. Part No.BQ29209DRBR
kr 2,906
Each (On a Reel of 3000)
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. 822-6651
Mfr. Part No.LT1510CGN#PBF
kr 87,08
Each
Units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC SSOP 16 18 to 25 V 4.978 x 3.988 x 1.499mm 4.98mm 3.988mm 1.499mm +85 °C 500µA 15 V -40 °C
RS Stock No. 145-6313
Mfr. Part No.BQ27441DRZT-G1B
kr 17,519
Each (On a Reel of 250)
Units
- Surface Mount Battery Fuel Gauge IC SON 12 2.45 to 4.5 V 4.15 x 2.6 x 0.95mm 4.15mm 2.6mm 0.95mm +85 °C - - -40 °C
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. 190-4498
Mfr. Part No.MAX17201G+
kr 19,276
Each (In a Tray of 490)
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. 662-2198
Mfr. Part No.BQ2057WSN
kr 22,20
Each (In a Pack of 5)
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. 827-9493
Mfr. Part No.BQ51050BYFPT
kr 18,13
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. 133-0140
Mfr. Part No.BQ296103DSGT
kr 3,399
Each (In a Pack of 10)
Units
- Surface Mount Battery Fuel Gauge IC WSON 8 -0.3 to 30 V 2.1 x 2.1 x 0.75mm 2.1mm 2.1mm 0.75mm +110 °C 4.5mA, 14 mA 30 V -40 °C
RS Stock No. 545-6852
Mfr. Part No.LT1512CN8#PBF
kr 77,40
Each
Units
Lead-Acid, Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 2.7 to 29 V 10.16 x 6.48 x 3.3mm 10.16mm 6.48mm 3.3mm +70 °C - - 0 °C
RS Stock No. 204-7655
Mfr. Part No.ISL94216IRZ
kr 67,84
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC LQFN 64 3.3 V - - - - - 0.025mA - -
RS Stock No. 912-6808
Mfr. Part No.MCP73832T-2DCI/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. 192-3052
Mfr. Part No.MAX1873TEEE+
kr 23,533
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. 189-6942
Mfr. Part No.MAX1758EAI+
kr 39,612
Each (In a Tube of 46)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SSOP 28 6 to 28 V 10.33 x 5.38 x 1.78mm 10.33mm 5.38mm 1.78mm +85 °C 1.5A 4.2 V -40 °C
RS Stock No. 190-8256
Mfr. Part No.MAX713CSE+
kr 53,60
Each
Units
- Surface Mount Battery Charge Controller IC SO 16 4.5 to 5.5 V 10 x 4 x 1.5mm 10mm 4mm 1.5mm +70 °C - - 0 °C
RS Stock No. 827-9349
Mfr. Part No.BQ24725ARGRT
kr 19,37
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 20 4.5 to 24 V 3.65 x 3.65 x 0.95mm 3.65mm 3.65mm 0.95mm +85 °C 8.128A 19.2 V -40 °C
RS Stock No. 204-4335
Mfr. Part No.MAX77962EWJ12+
kr 34,528
Each (On a Tape of 10)
Units
- Surface Mount Battery Charge Controller IC WLP 49 3.5 to 23 V - - - - - 1.5A - -
RS Stock No. 189-2089
Mfr. Part No.STC3115AIQT
kr 27,20
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