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. 714-0868
Mfr. Part No.M4T32-BR12SH1
€6.41
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. 920-6358
Mfr. Part No.M4T28-BR12SH1
€3.861
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
€5.04
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. 628-3734
Mfr. Part No.MCP73826-4.1VCHTR
BrandMicrochip
€0.462
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Charge Controller IC SOT-23A 6 4.5 to 5.5 V 3 x 1.75 x 1.45mm 3mm 1.75mm 1.45mm +125 °C - 4.141 V -40 °C
RS Stock No. 145-9049
Mfr. Part No.MCP73833-GPI/UN
BrandMicrochip
€0.649
Each (In a Tube of 100)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +125 °C 1A 4.533 V -40 °C
RS Stock No. 823-3719
Mfr. Part No.MCP73833-GPI/UN
BrandMicrochip
€0.809
Each (In a Pack of 10)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC MSOP 10 3.75 to 6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +125 °C 1A 4.533 V -40 °C
RS Stock No. 165-4593
Mfr. Part No.MCP73826-4.1VCHTR
BrandMicrochip
€0.44
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC SOT-23A 6 4.5 to 5.5 V 3 x 1.75 x 1.45mm 3mm 1.75mm 1.45mm +125 °C - 4.141 V -40 °C
RS Stock No. 159-6635
Mfr. Part No.MCP73123-22SI/MF
BrandMicrochip
€0.719
Each (In a Tube of 120)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 10 4.2 to 6.5 V 3 x 3 x 0.88mm 3mm 3mm 0.88mm +85 °C 1.1A - -40 °C
RS Stock No. 687-8679
Mfr. Part No.MCP73123-22SI/MF
BrandMicrochip
€0.98
Each
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 10 4.2 to 6.5 V 3 x 3 x 0.88mm 3mm 3mm 0.88mm +85 °C 1.1A - -40 °C
RS Stock No. 145-6488
Mfr. Part No.BQ25100YFPT
€0.89
Each (On a Reel of 250)
units
Lithium-Polymer Surface Mount Battery Charge Controller IC DSBGA 6 4.45 to 6.45 V 1.6 x 0.91 x 0.31mm 1.6mm 0.91mm 0.31mm +125 °C 250mA 4.32 V 0 °C
RS Stock No. 686-7477
Mfr. Part No.M4Z32-BR00SH1
€7.03
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. 914-2908
Mfr. Part No.BQ25100YFPT
€1.37
Each (In a Pack of 5)
units
Lithium-Polymer Surface Mount Battery Charge Controller IC DSBGA 6 4.45 to 6.45 V 1.6 x 0.91 x 0.31mm 1.6mm 0.91mm 0.31mm +125 °C 250mA 4.32 V 0 °C
RS Stock No. 165-6639
Mfr. Part No.STC3100IST
€0.948
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. 168-6418
Mfr. Part No.M4Z32-BR00SH1
€6.17
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. 795-8779
Mfr. Part No.STC3100IST
€2.152
Each (In a Pack of 5)
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. 889-5871
Mfr. Part No.MCP73831T-2ACI/OT
BrandMicrochip
€0.355
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
€0.506
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 - - -40 °C
RS Stock No. 165-5693
Mfr. Part No.STNS01PUR
€0.701
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC DFN 12 4.55 to 5.4 V 3.15 x 3.15 x 0.75mm 3.15mm 3.15mm 0.75mm +85 °C 200mA 3.193 V -40 °C
RS Stock No. 123-0983
Mfr. Part No.ISL78610ANZ
BrandIntersil
€13.44
Each
units
Lithium-Ion Surface Mount Battery Charge Controller IC TQFP 64 6 to 60 V 10 x 10 x 1mm 10mm 10mm 1mm +105 °C - - -40 °C
RS Stock No. 662-2145
Mfr. Part No.BQ2003PN-N
€4.56
Each
units
NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 16 5 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm +70 °C - - 0 °C