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. 190-1656
Mfr. Part No.MAX713CPE+
SGD8.73
Each
units
NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 16 4.5 to 5.5 V 19.43 x 7.87 x 4.45mm 19.43mm 7.87mm 4.45mm +70 °C - - 0 °C
RS Stock No. 192-1256
Mfr. Part No.DS2786G+
SGD5.901
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
New
RS Stock No. 210-5512
Mfr. Part No.MAX20360AEWZ+T
SGD10.912
Each (On a Reel of 2500)
units
- Surface Mount - WLP 72 5.5 V - - - - - 50mA - -
RS Stock No. 190-0442
Mfr. Part No.DS9034PCX+
SGD14.64
Each
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. 190-7858
Mfr. Part No.DS2740U+
SGD5.955
Each (In a Pack of 2)
units
- Surface Mount Battery Fuel Gauge IC μMax 8 2.7 to 5.5 V 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm +85 °C - - -40 °C
RS Stock No. 204-4301
Mfr. Part No.MAX17320G20+
SGD4.557
Each (On a Tape of 10)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TQFN 24 4.2 to 18 V - 2mm - - - - - -
RS Stock No. 204-4307
Mfr. Part No.MAX17320X10+
SGD4.40
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 - - - - - -
New
RS Stock No. 212-3257
Mfr. Part No.MAX20342EWG+T
SGD2.22
Each (On a Reel of 2500)
units
Lithium-Ion Through Hole - 24-WLP 24 5 V - - - - - 2A - -
RS Stock No. 192-3271
Mfr. Part No.MAX1873TEEE+
SGD5.67
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. 166-769
Mfr. Part No.MAX713CPE+
SGD9.11
Each
units
NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 16 4.5 → 5.5 V 19.43 x 7.87 x 4.45mm 19.43mm 7.87mm 4.45mm +70 °C - - 0 °C
RS Stock No. 191-6944
Mfr. Part No.DS2782G+
SGD7.315
Each (In a Pack of 2)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC TDFN 10 2.5 to 4.5 V 4.1 x 3.1 x 0.75mm 4.1mm 3.1mm 0.75mm +85 °C - - -40 °C
RS Stock No. 190-8204
Mfr. Part No.MAX1870AETJ+
SGD14.55
Each
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
RS Stock No. 191-3774
Mfr. Part No.DS2784G+
SGD10.62
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. 189-6904
Mfr. Part No.DS9034PC+
SGD11.82
Each (In a Tube of 19)
units
Lithium Surface Mount Battery Backup IC PowerCap Module 2 3 V 24.5 x 21.7 x 5.5mm 24.5mm 21.7mm 5.5mm +70 °C - - -40 °C
RS Stock No. 204-4310
Mfr. Part No.MAX17320X22+
SGD4.412
Each (On a Tape of 10)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Fuel Gauge IC WLP 30 4.2 to 18 V - 2.5mm - - - - - -
New
RS Stock No. 212-5570
Mfr. Part No.MAX77975EFD+
SGD2.457
Each (In a Tray of 490)
units
- Surface Mount - FC2QFN 32 19 V - - - - - 5.5A - -
RS Stock No. 923-7658
Mfr. Part No.DS9034PC+
SGD13.377
Each (In a Tube of 19)
units
Lithium Surface Mount Battery Backup IC PowerCap Module 2 3 V 24.5 x 21.7 x 5.5mm 24.5mm 21.7mm 5.5mm +70 °C - - -40 °C
RS Stock No. 190-7868
Mfr. Part No.DS2756E+
SGD7.025
Each (In a Pack of 2)
units
Lithium-Polymer Surface Mount Battery Fuel Gauge IC TSSOP 8 3.3 to 4.5 V 4.4 x 3.1 x 0.95mm 4.4mm 3.1mm 0.95mm +70 °C - - -20 °C
RS Stock No. 786-0922
Mfr. Part No.MAX1501ETE+
SGD6.92
Each (In a Pack of 2)
units
Lithium-Ion, NiCD, NiMH Surface Mount Battery Charge Controller IC TQFN 16 4.5 → 13 V 5.1 x 5.1 x 0.75mm 5.1mm 0.75mm 5.1mm +85 °C - 3.3 V -40 °C
RS Stock No. 190-8162
Mfr. Part No.MAX17201G+
SGD5.315
Each (In a Pack of 2)
units
Lithium-Ion Surface Mount Battery Fuel Gauge IC TDFN 14 2.3 to 4.9 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +85 °C - - -40 °C