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. 110-6610
Mfr. Part No.STC4054GR
$2.177
Each (In a Pack of 10)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TSOT-23 5 4.25 to 6.5 V 2.9 x 1.6 x 1mm 2.9mm 1.6mm 1mm +85 °C 800mA 4.24 V -40 °C
RS Stock No. 166-0835
Mfr. Part No.STC4054GR
$1.263
Each (On a Reel of 3000)
units
Lithium-Ion Surface Mount Battery Charge Controller IC TSOT-23 5 4.25 to 6.5 V 2.9 x 1.6 x 1mm 2.9mm 1.6mm 1mm +85 °C 800mA 4.24 V -40 °C
RS Stock No. 795-8779
Mfr. Part No.STC3100IST
$4.68
Each (In a Pack of 5)
units
Lithium-Ion Surface Mount Battery Fuel Gauge IC MSOP 8 2.7 → 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. 829-1431
Mfr. Part No.STNS01PUR
$2.866
Each (In a Pack of 5)
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. 189-1867
Mfr. Part No.STC3115AIQT
$2.312
Each (On a Reel of 3000)
units
- Surface Mount Battery Charge Controller IC DFN 10 2.7 to 4.5 V 3.1 x 2.1 x 0.55mm 3.1mm 2.1mm 0.55mm +85 °C - - -40 °C
RS Stock No. 162-3650
Mfr. Part No.STWBC-WA
$9.14
Each
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. 189-2089
Mfr. Part No.STC3115AIQT
$4.692
Each (In a Pack of 5)
units
- Surface Mount Battery Charge Controller IC DFN 10 2.7 to 4.5 V 3.1 x 2.1 x 0.55mm 3.1mm 2.1mm 0.55mm +85 °C - - -40 °C
RS Stock No. 165-6639
Mfr. Part No.STC3100IST
$1.962
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. 877-2860
Mfr. Part No.STBC08PMR
$1.617
Each (In a Pack of 10)
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. 165-5693
Mfr. Part No.STNS01PUR
$1.45
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. 168-6417
Mfr. Part No.TSM1011AIDT
$0.545
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. 165-5533
Mfr. Part No.STBC08PMR
$1.102
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. 162-3607
Mfr. Part No.STWBC-WA
$5.93
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
$0.782
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. 829-7069
Mfr. Part No.STCC2540IQTR
$1.613
Each (In a Pack of 10)
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. 686-7461
Mfr. Part No.TSM1011AIDT
$1.218
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