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. 822-6691
Mfr. Part No.LTM8062AEV#PBF
kr 224,17
Each
Units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC LGA 77 6 to 32 V 15 x 9 x 4.42mm 15mm 9mm 4.42mm +125 °C - - -40 °C
RS Stock No. 506-2031
Mfr. Part No.LTC4060EFE#PBF
kr 83,71
Each
Units
NiCD, NiMH Surface Mount Battery Charge Controller IC TSSOP 16 4.5 to 10 V 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm +85 °C 2.1A - -40 °C
RS Stock No. 191-5253
Mfr. Part No.MAX14921ECS+
kr 70,246
Each (In a Tray of 119)
Units
Lithium-Ion Surface Mount Battery Fuel Gauge IC TQFP 80 6 to 65 V 12.2 x 12.2 x 1.05mm 12.2mm 12.2mm 1.05mm +85 °C - 5.25 V -40 °C
RS Stock No. 165-2240
Mfr. Part No.MCP73832T-2DFI/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. 179-3302
Mfr. Part No.ISL95522HRZ
kr 61,315
Each (In a Pack of 2)
Units
- - Battery Charge Controller IC QFN 32 25 V - 4mm 4mm - - - - -
RS Stock No. 628-3734
Mfr. Part No.MCP73826-4.1VCHTR
BrandMicrochip
kr 4,906
Each (In a Pack of 5)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC SOT-23A 6 4.5 to 5.5 V 3 x 1.75 x 1.45mm 3mm 1.75mm 1.45mm +125 °C - 4.141 V -40 °C
New
RS Stock No. 210-5532
Mfr. Part No.MAX77960EFV06+
kr 28,686
Each (In a Tray of 490)
Units
Lithium-Ion Surface Mount - FC2QFN 30 25.4 V - - - - - 3300mA - -
RS Stock No. 189-6905
Mfr. Part No.DS9034PCX+
kr 74,412
Each (In a Tube of 19)
Units
- Surface Mount Battery Backup IC PowerCap Module 34 - 23.5 x 25.02 x 2.03mm 23.5mm 25.02mm 2.03mm +70 °C - - 0 °C
RS Stock No. 191-3774
Mfr. Part No.DS2784G+
kr 59,90
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TDFN 14 2.5 to 4.6 V 5.1 x 3.1 x 0.8mm 5.1mm 3.1mm 0.8mm +85 °C - 10 V -40 °C
RS Stock No. 471-398
Mfr. Part No.LTC4008EGN#PBF
kr 79,47
Each
Units
- Surface Mount Battery Charge Controller IC SSOP 20 6 to 28 V 8.74 x 3.99 x 1.48mm 8.74mm 3.99mm 1.48mm +85 °C - - -40 °C
RS Stock No. 889-5871
Mfr. Part No.MCP73831T-2ACI/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 - -40 °C
RS Stock No. 121-9765
Mfr. Part No.BQ51050BRHLT
kr 25,233
Each (On a Reel of 250)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 20 4 to 10 V 4.65 x 3.65 x 0.95mm 4.65mm 3.65mm 0.95mm +125 °C 1.5A 4.22 V 0 °C
RS Stock No. 738-6360
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
kr 5,50
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. 191-3221
Mfr. Part No.MAX712CSE+
kr 49,669
Each (In a Tube of 50)
Units
- Surface Mount Battery Fuel Gauge 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. 686-7461
Mfr. Part No.TSM1011AIDT
kr 6,632
Each (In a Pack of 5)
Units
- Surface Mount Battery Charge Controller IC SOIC 8 4.5 to 28 V 5 x 4 x 1.25mm 5mm 4mm 1.25mm +105 °C 50mA - 0 °C
RS Stock No. 825-5494
Mfr. Part No.UCC28722DBVT
kr 7,436
Each (In a Pack of 10)
Units
- Surface Mount Battery Charge Controller IC SOT-23 6 9 to 35 V 3.05 x 1.75 x 1.3mm 3.05mm 1.75mm 1.3mm +125 °C - - -40 °C
RS Stock No. 732-7709
Mfr. Part No.MAX1758EAI+
kr 53,74
Each
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. 827-9330
Mfr. Part No.BQ24640RVAT
kr 22,695
Each (In a Pack of 2)
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. 662-2145
Mfr. Part No.BQ2003PN-N
kr 49,57
Each
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
New
RS Stock No. 216-8610
Mfr. Part No.LTC4020IUHF#PBF
kr 123,519
Each (In a Tray of 52)
Units
- Surface Mount - QFN 38 5.15 V - - - - - 20A - -