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. 669-6187
Mfr. Part No.MCP73871-2AAI/ML
BrandMicrochip
€1.595
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. 822-6588
Mfr. Part No.LT1513-2CR#PBF
€8.69
Each
units
Lead-Acid, Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC D2PAK 7 2.7 to 25 V 10.541 x 9.398 x 4.572mm 10.54mm 9.398mm 4.572mm +125 °C - - 0 °C
RS Stock No. 786-9878
Mfr. Part No.LTC1760CFW#PBF
€16.07
Each
units
Lithium-Ion Surface Mount Battery Charge Controller IC TSSOP 48 6 to 28 V 12.6 x 6.2 x 0.95mm 12.6mm 6.2mm 0.95mm +125 °C ±2mA 5.5 V -40 °C
RS Stock No. 738-6367
Mfr. Part No.MCP73811T-420I/OT
BrandMicrochip
€0.45
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. 189-1267
Mfr. Part No.M4Z28-BR00SH1
€5.05
Each
units
Lithium-Ion Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 6.99mm 21.84mm 14.99mm 6.99mm +85 °C - - -40 °C
RS Stock No. 829-7069
Mfr. Part No.STCC2540IQTR
€0.814
Each (In a Pack of 10)
units
- Surface Mount Battery Charge Controller IC VFQFPN 16 4.5 to 5.5 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +85 °C 2.8A 5.5 V -40 °C
RS Stock No. 162-6880
Mfr. Part No.BQ2000PN-B5
€2.391
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. 145-0846
Mfr. Part No.BQ2003PN-N
€3.872
Each (In a Tube of 25)
units
NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 16 5 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm +70 °C - - 0 °C
RS Stock No. 165-5656
Mfr. Part No.STCC2540IQTR
€0.427
Each (On a Reel of 3000)
units
- Surface Mount Battery Charge Controller IC VFQFPN 16 4.5 to 5.5 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +85 °C 2.8A 5.5 V -40 °C
RS Stock No. 166-0835
Mfr. Part No.STC4054GR
€0.592
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TSOT-23 5 4.25 to 6.5 V 2.9 x 1.6 x 1mm 2.9mm 1.6mm 1mm +85 °C 800mA 4.24 V -40 °C
RS Stock No. 162-9692
Mfr. Part No.BQ24250CYFFT
€2.576
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
RS Stock No. 827-9428
Mfr. Part No.BQ27520YZFT-G3
€1.33
Each (In a Pack of 2)
units
- Surface Mount - DSBGA 15 2.7 → 4.5 V 2.64 x 1.986 x 0.275mm 2.64mm 1.986mm 0.275mm +85 °C 16mA 2.54 V -40 °C
RS Stock No. 165-4852
Mfr. Part No.MCP73871-2AAI/ML
BrandMicrochip
€1.254
Each (In a Tube of 91)
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. 662-2091
Mfr. Part No.BQ2000PN-B5
€2.86
Each
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. 123-0965
Mfr. Part No.ISL78610ANZ
BrandIntersil
€7.337
Each (In a Tray of 160)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFP 64 6 to 60 V 10 x 10 x 1mm 10mm 10mm 1mm +105 °C - - -40 °C
RS Stock No. 920-6351
Mfr. Part No.M4Z28-BR00SH1
€4.155
Each (In a Tube of 23)
units
Lithium-Ion Through Hole Battery Backup IC SNAPHAT 4 2.8 V 21.84 x 14.99 x 6.99mm 21.84mm 14.99mm 6.99mm +85 °C - - -40 °C
RS Stock No. 110-6610
Mfr. Part No.STC4054GR
€1.09
Each (In a Pack of 10)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TSOT-23 5 4.25 to 6.5 V 2.9 x 1.6 x 1mm 2.9mm 1.6mm 1mm +85 °C 800mA 4.24 V -40 °C
RS Stock No. 829-1431
Mfr. Part No.STNS01PUR
€1.516
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 12 4.55 to 5.4 V 3.15 x 3.15 x 0.75mm 3.15mm 3.15mm 0.75mm +85 °C 200mA 3.193 V -40 °C
RS Stock No. 779-9325
Mfr. Part No.LT1513IR#PBF
€5.78
Each
units
Lithium-Ion Surface Mount Battery Charge Controller IC D2PAK 7 30 V 10.541 x 4.572 x 10.922mm 10.54mm 4.572mm - +125 °C 5A 20 V -40 °C
RS Stock No. 889-5893
Mfr. Part No.MCP73811T-420I/OT
BrandMicrochip
€0.33
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