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. 168-6814
Mfr. Part No.M4T32-BR12SH6
SGD14.27
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
SGD15.79
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. 714-0868
Mfr. Part No.M4T32-BR12SH1
SGD14.34
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. 920-6358
Mfr. Part No.M4T28-BR12SH1
SGD8.358
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
SGD9.66
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. 168-6416
Mfr. Part No.TSM1014IDT
SGD0.786
Each (On a Reel of 2500)
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 - - 0 °C
RS Stock No. 686-7461
Mfr. Part No.TSM1011AIDT
SGD1.378
Each (In a Pack of 5)
units
- Surface Mount Battery Charge Controller IC SOIC 8 4.5 → 28 V 5 x 4 x 1.25mm 5mm 4mm 1.25mm +105 °C 50mA - 0 °C
RS Stock No. 686-7455
Mfr. Part No.TSM1014IDT
SGD1.264
Each (In a Pack of 5)
units
- Surface Mount Battery Charge Controller IC SOIC 8 4.5 → 28 V 5 x 4 x 1.25mm 5mm 4mm 1.25mm +105 °C - - 0 °C
RS Stock No. 920-6351
Mfr. Part No.M4Z28-BR00SH1
SGD7.875
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. 168-6417
Mfr. Part No.TSM1011AIDT
SGD0.527
Each (On a Reel of 2500)
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. 189-1267
Mfr. Part No.M4Z28-BR00SH1
SGD9.41
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. 165-5533
Mfr. Part No.STBC08PMR
SGD0.874
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 6 5 V 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm +85 °C 800mA 4.242 V -40 °C
RS Stock No. 196-1933
Mfr. Part No.L6924D013TR
SGD1.324
Each (On a Reel of 4000)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VFQFPN 16 2.5 to 12 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +125 °C 10mA 4.24 V -40 °C
RS Stock No. 162-3607
Mfr. Part No.STWBC-WA
SGD5.576
Each (In a Tray of 490)
units
- Surface Mount Battery Charge Controller IC VFQFPN 32 3.3 to 5 V 5.15 x 5.15 x 0.95mm 5.15mm 5.15mm 0.95mm +105 °C 3 mA, 7.75mA 5 V -40 °C
RS Stock No. 165-5656
Mfr. Part No.STCC2540IQTR
SGD0.792
Each (On a Reel of 3000)
units
- Surface Mount Battery Charge Controller IC VFQFPN 16 4.5 to 5.5 V 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm +85 °C 2.8A 5.5 V -40 °C
RS Stock No. 196-2009
Mfr. Part No.STC3100IQT
SGD4.048
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 8 2.7 to 5.5 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +85 °C - - -40 °C
RS Stock No. 165-6639
Mfr. Part No.STC3100IST
SGD1.893
Each (On a Reel of 4000)
units
Lithium-Ion Surface Mount Battery Fuel Gauge IC MSOP 8 2.7 to 5.5 V 3.2 x 3.1 x 0.95mm 3.2mm 3.1mm 0.95mm +85 °C - 7 V -40 °C
RS Stock No. 196-1935
Mfr. Part No.L6924D013TR
SGD2.888
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VFQFPN 16 2.5 to 12 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +125 °C 10mA 4.24 V -40 °C
RS Stock No. 196-2008
Mfr. Part No.STC3100IQT
SGD1.68
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 8 2.7 to 5.5 V 3.15 x 3.15 x 0.95mm 3.15mm 3.15mm 0.95mm +85 °C - - -40 °C
RS Stock No. 196-1451
Mfr. Part No.STC3115AIJT
SGD1.113
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