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. 920-6358
Mfr. Part No.M4T28-BR12SH1
kr 43,207
Each (In a Tube of 23)
Units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 7.75mm 21.84mm 14.99mm 7.75mm +70 °C - - 0 °C
RS Stock No. 189-1239
Mfr. Part No.M4T28-BR12SH1
kr 71,75
Each
Units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 7.75mm 21.84mm 14.99mm 7.75mm +70 °C - - 0 °C
RS Stock No. 166-769
Mfr. Part No.MAX713CPE+
kr 54,36
Each
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. 858-0810
Mfr. Part No.LTC6803HG-4#PBF
kr 232,65
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC SSOP 44 55 V 13.1 x 5.7 x 1.85mm 13.1mm 5.7mm 1.85mm +125 °C - - -40 °C
RS Stock No. 170-8161
Mfr. Part No.ISL9237HRZ-T7A
BrandIntersil
kr 59,817
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 32 3.2 to 23.4 V 4 x 4 x 0.85mm 4mm 4mm 0.85mm +100 °C - 5.5 V -10 °C
RS Stock No. 125-0809
Mfr. Part No.ISL9237HRZ-T7A
BrandIntersil
kr 95,56
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 32 3.2 to 23.4 V 4 x 4 x 0.85mm 4mm 4mm 0.85mm +100 °C - 5.5 V -10 °C
RS Stock No. 738-6364
Mfr. Part No.MCP73832T-2ACI/OT
BrandMicrochip
kr 6,022
Each (In a Pack of 5)
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 - - -40 °C
RS Stock No. 620-0773
Mfr. Part No.UC3906N
kr 125,46
Each
Units
Lead-Acid Through Hole Battery Charge Controller IC PDIP 16 - 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm +70 °C 40mA - -20 °C
RS Stock No. 912-2897
Mfr. Part No.MCP73832T-2ACI/OT
BrandMicrochip
kr 4,549
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 - - -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. 817-5868
Mfr. Part No.BQ24450DW
kr 123,50
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. 190-7858
Mfr. Part No.DS2740U+
kr 40,55
Each (In a Pack of 2)
Units
- Surface Mount Battery Fuel Gauge IC μMax 8 2.7 to 5.5 V 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm +85 °C - - -40 °C
RS Stock No. 817-5871
Mfr. Part No.BQ24616RGET
kr 50,66
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 24 5 to 28 V 4.15 x 4.15 x 0.95mm 4.15mm 4.15mm 0.95mm +85 °C 10A 2 V -40 °C
RS Stock No. 189-6951
Mfr. Part No.MAX1811ESA+
kr 24,61
Each (In a Tube of 100)
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. 204-7655
Mfr. Part No.ISL94216IRZ
kr 67,73
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC LQFN 64 3.3 V - - - - - 0.025mA - -
RS Stock No. 825-6756
Mfr. Part No.TPS2514DBVT
kr 16,416
Each (In a Pack of 5)
Units
- Surface Mount Battery Charge Controller IC SOT-23 6 4.5 to 5.5 V 3.05 x 1.75 x 1.3mm 3.05mm 1.75mm 1.3mm +125 °C 35mA 2.84 V -40 °C
RS Stock No. 917-5885
Mfr. Part No.MP2625GL-P
kr 29,984
Each (In a Pack of 5)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC QFN 20 4.5 to 12 V 3.1 x 4.1 x 0.95mm 3.1mm 4.1mm 0.95mm +125 °C 2A 4.6 V -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. 162-3607
Mfr. Part No.STWBC-WA
kr 20,718
Each (In a Tray of 490)
Units
- Surface Mount Battery Charge Controller IC VFQFPN 32 3.3 to 5 V 5.15 x 5.15 x 0.95mm 5.15mm 5.15mm 0.95mm +105 °C 3 mA, 7.75mA 5 V -40 °C
RS Stock No. 159-7407
Mfr. Part No.MCP73833-FCI/UN
BrandMicrochip
kr 5,986
Each (In a Tube of 100)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +85 °C - 4.533 V -40 °C