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. 196-1451
Mfr. Part No.STC3115AIJT
kr 7,016
Each (On a Reel of 5000)
Units
- Surface Mount Battery Fuel Gauge IC CSP 10 2.7 to 4.5 V 2.04 x 1.4 x 0.37mm 2.04mm 1.4mm 0.37mm +85 °C - 6 V -40 °C
RS Stock No. 192-1256
Mfr. Part No.DS2786G+
kr 24,953
Each (In a Tube of 100)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TDFN 10 2.5 to 4.5 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +70 °C - 4 V -20 °C
RS Stock No. 189-6937
Mfr. Part No.MAX1737EEI+
kr 37,724
Each (In a Tube of 50)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC QSOP 28 6 to 28 V 9.98 x 3.99 x 1.651mm 9.98mm 3.99mm 1.651mm +85 °C 4A 4.221 V -40 °C
RS Stock No. 900-9829
Mfr. Part No.BQ34Z100PW-G1
kr 45,99
Each
Units
Lead-Acid, Lithium-Ion, NiCD, NiMH Surface Mount Battery Fuel Gauge IC TSSOP 14 2.7 to 4.5 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm +85 °C ≤16mA 2.7 V -40 °C
RS Stock No. 162-8116
Mfr. Part No.BQ7694006DBT
kr 35,845
Each (In a Tube of 40)
Units
Lithium-Ion, Lithium-Phosphate Surface Mount Battery Charge Controller IC TSSOP 44 6 to 25 V 7.9 x 4.5 x 1.05mm 7.9mm 4.5mm 1.05mm +85 °C - 3.6 V -40 °C
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. 190-4515
Mfr. Part No.MAX1870AETJ+
kr 76,158
Each (In a Tube of 60)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFN 32 8 to 28 V 5 x 5 x 0.75mm 5mm 5mm 0.75mm +85 °C - - -40 °C
New
RS Stock No. 208-8464
Mfr. Part No.BQ24092DGQR
kr 6,159
Each (On a Reel of 2500)
Units
Lead-Acid, Lithium-Ion, NiCD, NiMH Surface Mount - SOIC 10 4.45 V - - - - - 1000mA - -
RS Stock No. 189-6901
Mfr. Part No.DS2745U+
kr 30,392
Each (In a Tube of 50)
Units
Lithium-Ion, NiMH Surface Mount Battery Fuel Gauge IC μMAX 8 2.5 to 4.5 V 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm +85 °C - 5.5 V -40 °C
RS Stock No. 858-0816
Mfr. Part No.LTC6801IG#PBF
kr 96,32
Each
Units
Lithium-Ion Surface Mount Battery Charge Controller IC SSOP 36 50 V 13.1 x 5.7 x 1.95mm 13.1mm 5.7mm 1.95mm +85 °C - - -40 °C
RS Stock No. 145-9013
Mfr. Part No.MCP73828-4.2VUA
BrandMicrochip
kr 7,892
Each (In a Tube of 100)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC MSOP 8 4.5 to 5.5 V 3.1 x 5.08 x 1.18mm 3.1mm 5.08mm 1.18mm +85 °C 75mA 4.242 V -20 °C
RS Stock No. 204-4307
Mfr. Part No.MAX17320X10+
kr 26,114
Each (In a Pack of 5)
Units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC WLP 30 4.2 to 18 V - 2.5mm - - - - - -
RS Stock No. 822-6727
Mfr. Part No.LTC1733EMSE#PBF
kr 42,235
Each (In a Pack of 2)
Units
Lithium-Ion Surface Mount Battery Charge Controller IC MSOP 10 4.5 to 6.5 V 3 x 3 x 0.86mm 3mm 3mm 0.86mm +85 °C - 4.242 V -40 °C
RS Stock No. 806-7966
Mfr. Part No.AD8280WASTZ
kr 72,29
Each
Units
- Surface Mount - LQFP 48 - 7.2 x 7.2 x 1.45mm - - - +105 °C - - -40 °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. 858-0829
Mfr. Part No.LTC6803IG-2#PBF
kr 207,75
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 +85 °C - - -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. 162-8500
Mfr. Part No.BQ27441DRZT-G1A
kr 16,248
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. 189-6898
Mfr. Part No.DS2438AZ+
kr 33,231
Each (In a Tube of 100)
Units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Fuel Gauge IC SOIC 8 2.4 to 10 V 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C - - -40 °C
RS Stock No. 827-9314
Mfr. Part No.BQ24313DSGT
kr 3,972
Each (In a Pack of 5)
Units
- Surface Mount Battery Fuel Gauge IC WSON 8 3.3 to 30 V 2.1 x 2.1 x 0.75mm 2.1mm 2.1mm 0.75mm +125 °C 1A 6.03 V -40 °C