STMicroelectronics STEVAL-BMS114TX
Manufacturer No:
STEVAL-BMS114TX
Manufacturer:
STMicroelectronics
Package:
Description:
Battery management system module based on L99BM114 and L99BM1T
Quantity:
In Stock :2957
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Expected Shipping：Fri, May 29 - Sat, May 30, 2026
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Date Code：Within 2 Years
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STEVAL-BMS114TX Information
STMicroelectronics STEVAL-BMS114TX technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics STEVAL-BMS114TX.
- Type
- Parameter
- Operating Range
- Industrial
- Core Product
- L99BM1T-TR, L99BM114-TR
- ECCN US
- EAR99
- ECCN EU
- NEC
- Packing Type
- Not Applicable
- RoHS Status
- Grade
- Industrial
- Package Name
- CARD
- Operating Range
- Industrial
- Core Product
- L99BM1T-TR, L99BM114-TR
- Type
- Parameter
- ECCN US
- EAR99
- ECCN EU
- NEC
- Packing Type
- Not Applicable
- RoHS Status
- Grade
- Industrial
- Package Name
- CARD
Download datasheets and manufacturer documentation for STMicroelectronics STEVAL-BMS114TX.
Data sheet:
The STEVAL-BMS114TX is a battery management system (BMS) evaluation board that manages from 4 to 14 battery cells.
The main advantage of this evaluation board is ensuring isolated connection to an external MCU, thanks to the embedded transceiver.
The board is based on the L99BM114 Li-ion battery monitoring and protection chip for high-reliability applications and the L99BM1T general-purpose SPI to isolated SPI bidirectional transceiver.
The main activity of the L99BM114 is monitoring the cells and battery node status through stack voltage measurement, cell voltage measurement, temperature measurement, and coulomb counting.
Measurement and diagnostic tasks can be executed either on demand or periodically, with a programmable cycle interval.
Measurement data are available for an external microcontroller to perform charge balancing and to compute the state of charge (SOC) and the state of health (SOH).
The L99BM1T general-purpose SPI to isolated SPI bidirectional transceiver can transfer communication data incoming from a classical 4-wire based SPI interface to a 2-wire isolated interface (and vice versa). In our board, the transceiver is configured as a slave.
The STEVAL-BMS114TX provides an elaborate monitoring network to sense the voltage of each cell. It is possible to sense the current of the entire battery pack.
Passive cell balancing can be performed either via the L99BM114 internal MOSFETs or via external MOSFETs. The controller can either manually control the balancing drivers or start a balancing task with a fixed duration. In the second case, the balancing may be programmed to continue even when the IC enters a low-power mode called silent balancing, to avoid unnecessary current absorption from the battery pack. The balancing function is necessary to lengthen the battery capacity and its duration.
- Hosts the L99BM114 multicell battery monitoring and balancing IC
- Hosts the L99BM1T general purpose SPI to isolated SPI bidirectional transceiver
- Voltage monitoring of every single cell and of the entire battery node
- Current sensing of the entire battery node
- 5 GPIOs to connect temperature sensors as NTCs
- CN1 connector that allows establishing communication with an MCU board via SPI
- CN2 connector that interfaces directly to an MCU board for control and diagnostic functions
- Passive balancing
- Compact size: 100 mm x 76 mm
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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