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. 738-6617
Mfr. Part No.MCP73831T-2ATI/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 500mA 4.232 V -40 °C
RS Stock No. 823-0007
Mfr. Part No.LTC6803IG-3#PBF
kr 218,73
Each
Units
- Surface Mount Battery Charge Controller IC SSOP 44 10 to 55 V 13.1 x 5.6 x 1.85mm 13.1mm 5.6mm 1.85mm +85 °C 1.6mA - -40 °C
RS Stock No. 190-7877
Mfr. Part No.DS2781E+
kr 59,90
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TSSOP 8 2.5 to 10 V 4.4 x 3.1 x 0.95mm 4.4mm 3.1mm 0.95mm +85 °C - 3.1 V -40 °C
RS Stock No. 827-9406
Mfr. Part No.BQ27441DRZT-G1B
kr 26,905
Each (In a Pack of 2)
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
New
RS Stock No. 210-5533
Mfr. Part No.MAX77960EFV06+
kr 41,745
Each (In a Pack of 2)
Units
Lithium-Ion Surface Mount - FC2QFN 30 25.4 V - - - - - 3300mA - -
RS Stock No. 192-3271
Mfr. Part No.MAX1873TEEE+
kr 33,865
Each (In a Pack of 2)
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. 827-9333
Mfr. Part No.BQ24620RVAT
kr 22,695
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Phosphate 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 6.3 V -40 °C
New
RS Stock No. 208-8467
Mfr. Part No.BQ76200PWR
kr 23,068
Each (In a Pack of 5)
Units
Lead-Acid Surface Mount - SOIC 16 100 V - - - - - 9.5µA - -
New
RS Stock No. 216-7778
Mfr. Part No.MAX17320G20+T
kr 19,699
Each (On a Reel of 2500)
Units
Lithium-Ion, Lithium-Polymer Surface Mount - TQFN 24 4.2 → 18 V - 4mm - - - - - -
RS Stock No. 190-0121
Mfr. Part No.DS2715Z+
kr 55,66
Each
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. 714-0868
Mfr. Part No.M4T32-BR12SH1
kr 69,69
Each
Units
- Through Hole Battery Backup IC SNAPHAT 4 - 21.84 x 14.99 x 6.99mm 21.84mm 14.99mm 6.99mm +70 °C - - 0 °C
New
RS Stock No. 212-5570
Mfr. Part No.MAX77975EFD+
kr 15,653
Each (In a Tray of 490)
Units
- Surface Mount - FC2QFN 32 19 V - - - - - 5.5A - -
RS Stock No. 540-4261
Mfr. Part No.MAX745EAP+
kr 81,43
Each
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SSOP 20 6 to 24 V 7.33 x 5.38 x 1.78mm 7.33mm 5.38mm 1.78mm +85 °C - - -40 °C
RS Stock No. 145-9044
Mfr. Part No.MCP73831-2ACI/MC
BrandMicrochip
kr 4,82
Each (In a Tube of 150)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC DFN 8 3.75 to 6 V 3 x 2 x 0.95mm 3mm 2mm 0.95mm +125 °C - 4.232 V -40 °C
RS Stock No. 786-9972
Mfr. Part No.LTC4100EG#PBF
kr 104,15
Each
Units
- Surface Mount Battery Charge Controller IC SSOP 24 3 to 5.5 V 8.5 x 5.6 x 1.5mm 8.5mm 5.6mm 1.5mm +85 °C 4A 26 V -40 °C
RS Stock No. 817-5874
Mfr. Part No.BQ24650RVAT
kr 49,46
Each
Units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer 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 - 2.1 V -40 °C
New
RS Stock No. 216-7781
Mfr. Part No.MAX17320G22+T
kr 36,392
Each (In a Pack of 5)
Units
Lithium-Ion, Lithium-Polymer Surface Mount - TQFN 24 4.2 → 18 V - 4mm - - - - - -
RS Stock No. 162-8105
Mfr. Part No.BQ27541DRZT-V200
kr 41,857
Each (On a Reel of 250)
Units
Lithium-Ion Surface Mount Battery Fuel Gauge IC SON 12 5.5 V 2.6 x 4.15 x 0.95mm 2.6mm 4.15mm 0.95mm +85 °C - 2.6 V -40 °C
RS Stock No. 145-7212
Mfr. Part No.BQ51013BRHLT
kr 19,528
Each (On a Reel of 250)
Units
- Surface Mount Battery Charge Controller IC VQFN 20 - 4.65 x 3.65 x 0.95mm 4.65mm 3.65mm 0.95mm +150 °C - - -40 °C
RS Stock No. 192-2392
Mfr. Part No.MAX8677CETG+
kr 35,66
Each (In a Pack of 2)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC TQFN 24 4.1 to 6.6 V 4.1 x 4.1 x 0.75mm 4.1mm 4.1mm 0.75mm +85 °C 1.5A 4.2 V -40 °C