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L9963-TR The STMicroelectronics L9963-TR is a Battery Management IC designed for Lithium Ion batteries, capable of monitoring 4 to 14 cells in series. It features an SPI interface and AEC-Q100 qualification.
Mfr Part #:

L9963-TR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L9963-TR is a Battery Management IC designed for Lithium Ion batteries, capable of monitoring 4 to 14 cells in series. It features an SPI interface and AEC-Q100 qualification.
✓ Total Stock: 3,580 pcs
$ Price Range: $0.75

L9963-TR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
2,580 pcs
On Request
2580 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L9963-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Interface
Mounting Type
Number of Cells
Supplier Device Package
Supplier Package
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L9963-TR Description

Short technical summary and product information.

The STMicroelectronics L9963-TR is a high-reliability Li-ion battery monitoring and protection chip suitable for automotive applications and energy storage systems. It can monitor up to 14 stacked battery cells, meeting the requirements of 48 V and higher voltage systems.

 

Key features include a 16-bit voltage measurement with a maximum error of ±2 mV, a Coulomb counter supporting pack overcurrent detection, and 200 mA passive internal balancing current. The device offers 2.66 Mbps isolated serial communication with low latency and supports up to 7 NTCs for sensing. It is AEC-Q100 qualified and fully ISO26262 compliant, ASIL-D systems ready.

 

The L9963-TR is available in a 64-TQFP Exposed Pad package suitable for surface mounting. Its robust hot-plug performance and intelligent diagnostic routines enhance safety and reliability in demanding applications like 48 V battery packs, backup energy storage, and electric vehicles.

L9963-TR Quick Information

Product Type: Battery Management IC
Canonical Name: L9963-TR Battery Monitor IC
Subcategory: Battery Management

L9963-TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L9963-TR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

L9963-TR Features

  • Monitors 4 to 14 Li-ion cells in series.
  • 16-bit voltage measurement with ±2 mV accuracy.
  • Integrated Coulomb counter for overcurrent detection.
  • 200 mA passive internal cell balancing current.
  • AEC-Q100 qualified and ISO26262 ASIL-D ready.

L9963-TR Applications

  • Suitable for 48 V and high-voltage battery packs.
  • Used in backup energy storage systems.
  • Applicable for e-bikes and e-scooters.
  • Designed for portable equipment.

L9963-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the RoHS status of the L9963-TR?

The L9963-TR is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the L9963-TR?

The MSL for the L9963-TR is 1 Unlimited.

What is the REACH status of the L9963-TR?

The L9963-TR is REACH Unaffected.

How many battery cells can the L9963-TR monitor?

The L9963-TR can measure 4 to 14 cells in series.

What is the accuracy of the voltage measurement for the L9963-TR?

The L9963-TR has a 16-bit voltage measurement with a maximum error of ±2 mV in the [1.7 – 4.7] V range.

What is the serial communication speed of the L9963-TR?

The L9963-TR features 2.66 Mbps isolated serial communication.

Does the L9963-TR support cell balancing?

Yes, the L9963-TR provides 200 mA passive internal balancing current for each cell.

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