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. 162-8098
Mfr. Part No.BQ24450DW
PHP530.964
Each (In a Tube of 40)
units
Lead-Acid Surface Mount Battery Charge Controller IC SOIC 16 5 to 40 V 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm +70 °C >2A 2.6 V -40 °C
RS Stock No. 817-5868
Mfr. Part No.BQ24450DW
PHP615.86
Each
units
Lead-Acid Surface Mount Battery Charge Controller IC SOIC 16 5 to 40 V 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm +70 °C >2A 2.6 V -40 °C
RS Stock No. 162-8100
Mfr. Part No.BQ24650RVAT
PHP202.292
Each (On a Reel of 250)
units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 16 5 to 28 V 3.6 x 3.6 x 0.95mm 3.6mm 3.6mm 0.95mm +85 °C - 2.1 V -40 °C
RS Stock No. 817-5874
Mfr. Part No.BQ24650RVAT
PHP257.71
Each
units
Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC VQFN 16 5 to 28 V 3.6 x 3.6 x 0.95mm 3.6mm 3.6mm 0.95mm +85 °C - 2.1 V -40 °C
RS Stock No. 662-2091
Mfr. Part No.BQ2000PN-B5
PHP184.71
Each
units
Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 5 V 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm +70 °C - - -20 °C
RS Stock No. 162-6880
Mfr. Part No.BQ2000PN-B5
PHP129.698
Each (In a Tube of 50)
units
Lithium-Ion, NiCD, NiMH Through Hole Battery Charge Controller IC PDIP 8 5 V 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm +70 °C - - -20 °C
RS Stock No. 162-8491
Mfr. Part No.BQ24725ARGRT
PHP165.38
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. 162-8865
Mfr. Part No.UCC28722DBVT
PHP29.789
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
RS Stock No. 825-5494
Mfr. Part No.UCC28722DBVT
PHP41.722
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. 162-7580
Mfr. Part No.UC2906N
PHP530.45
Each (In a Tube of 25)
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 - -40 °C
RS Stock No. 709-9013
Mfr. Part No.BQ24072RGTT
PHP128.63
Each
units
Lithium-Ion Surface Mount Battery Charge Controller IC VQFN 16 4.35 → 6.4 V 3 x 3 x 0.9mm 3mm 3mm 0.9mm +125 °C 1.5A - -40 °C
RS Stock No. 709-2172
Mfr. Part No.UC2906N
PHP615.86
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 - -40 °C
RS Stock No. 162-6126
Mfr. Part No.BQ24072RGTT
PHP76.124
Each (On a Reel of 250)
units
Lithium-Ion Surface Mount Battery Charge Controller IC VQFN 16 4.35 to 6.4 V 3 x 3 x 0.9mm 3mm 3mm 0.9mm +125 °C 1.5A - -40 °C
RS Stock No. 827-9349
Mfr. Part No.BQ24725ARGRT
PHP249.535
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. 162-8475
Mfr. Part No.BQ24104RHLT
PHP194.25
Each (On a Reel of 250)
units
- Surface Mount Battery Charge Controller IC VQFN 20 4.35 to 16 V 4.65 x 3.65 x 0.95mm 4.65mm 3.65mm 0.95mm +85 °C 2.2A 8.4 V -40 °C
RS Stock No. 817-5812
Mfr. Part No.BQ24080DRCT
PHP109.20
Each (On a Tape of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SON 10 4.5 to 6.5 V 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm +85 °C 1A 4.2 V -40 °C
RS Stock No. 208-8466
Mfr. Part No.BQ76200PWR
PHP71.668
Each (On a Reel of 2000)
units
Lead-Acid Surface Mount - SOIC 16 100 V - - - - - 9.5µA - -
RS Stock No. 133-0147
Mfr. Part No.BQ78350DBT-R1
PHP357.00
Each
units
- Surface Mount Battery Fuel Gauge IC TSSOP 30 2.4 to 2.6 V 7.9 x 4.5 x 1.05mm 7.9mm 4.5mm 1.05mm +85 °C - 0.4 V -40 °C
RS Stock No. 168-4926
Mfr. Part No.BQ27426YZFT
PHP83.864
Each (On a Reel of 250)
units
Lithium-Ion Surface Mount Battery Fuel Gauge IC DSBGA 9 -0.3 to 2 V 1.65 x 1.61 x 0.27mm 1.65mm 1.61mm 0.27mm +85 °C -3 mA, 500µA 0.6 V -40 °C
RS Stock No. 662-2019
Mfr. Part No.BQ24081DRCT
PHP97.408
Each (In a Pack of 5)
units
Lithium-Ion, Lithium-Polymer Surface Mount Battery Charge Controller IC SON 10 4.5 → 6.5 V 3 x 3 x 0.9mm 3mm 3mm 0.9mm +125 °C 1A - -40 °C