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. 168-6418
Mfr. Part No.M4Z32-BR00SH1
MYR34.548
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. 920-6358
Mfr. Part No.M4T28-BR12SH1
MYR36.06
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
MYR37.08
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. 714-0868
Mfr. Part No.M4T32-BR12SH1
MYR40.41
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
RS Stock No. 889-5871
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
MYR1.922
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. 738-6360
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
MYR2.584
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SOT-23 5 3.75 → 6 V 3.1 x 1.8 x 1.3mm 3.1mm 1.8mm 1.3mm +85 °C - - -40 °C
RS Stock No. 168-6814
Mfr. Part No.M4T32-BR12SH6
MYR40.194
Each (In a Tube of 23)
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 3 V 21.84 x 18.03 x 8.51mm 21.84mm 18.03mm 8.51mm +85 °C - - -40 °C
RS Stock No. 714-0861
Mfr. Part No.M4T32-BR12SH6
MYR44.49
Each
units
Lithium-CF Through Hole Battery Backup IC SNAPHAT 4 3 V 21.84 x 18.03 x 8.51mm 21.84mm 18.03mm 8.51mm +85 °C - - -40 °C
RS Stock No. 822-6691
Mfr. Part No.LTM8062AEV#PBF
MYR100.82
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. 545-6852
Mfr. Part No.LT1512CN8#PBF
MYR36.61
Each
units
Lead-Acid, Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 2.7 → 29 V 10.16 x 6.48 x 3.3mm 10.16mm 6.48mm 3.3mm +70 °C - - 0 °C
RS Stock No. 189-1267
Mfr. Part No.M4Z28-BR00SH1
MYR31.64
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. 920-6351
Mfr. Part No.M4Z28-BR00SH1
MYR22.98
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. 761-8796
Mfr. Part No.LT3652EMSE#PBF
MYR31.05
Each
units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer, NiCD, NiMH Surface Mount Battery Charge Controller IC MSOP 12 4.95 to 32 V 4.039 x 3 x 0.86mm 4.04mm 3mm 0.86mm +125 °C 2A 14.4 V -40 °C
RS Stock No. 822-6540
Mfr. Part No.LT3652HVEMSE#PBF
MYR34.58
Each
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 12 4.95 to 34 V 4.039 x 3 x 0.9984mm 4.04mm 3mm 0.998mm +125 °C - - -40 °C
RS Stock No. 620-0773
Mfr. Part No.UC3906N
MYR52.41
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. 162-8491
Mfr. Part No.BQ24725ARGRT
MYR12.949
Each (On a Reel of 250)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 20 4.5 to 24 V 3.65 x 3.65 x 0.95mm 3.65mm 3.65mm 0.95mm +85 °C 8.128A 19.2 V -40 °C
RS Stock No. 825-5494
Mfr. Part No.UCC28722DBVT
MYR3.948
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. 662-2173
Mfr. Part No.BQ2057CDGK
MYR7.886
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 8 4.5 → 15 V 3 x 3 x 0.97mm 3mm 3mm 0.97mm +70 °C - - -20 °C
RS Stock No. 827-9349
Mfr. Part No.BQ24725ARGRT
MYR20.57
Each (In a Pack of 2)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 20 4.5 to 24 V 3.65 x 3.65 x 0.95mm 3.65mm 3.65mm 0.95mm +85 °C 8.128A 19.2 V -40 °C
RS Stock No. 162-8865
Mfr. Part No.UCC28722DBVT
MYR2.531
Each (On a Reel of 250)
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