We use cookies in order to enable visitors to use this website more comfortably.
It is also possible to disable cookies' by adjusting the settings for the Internet browsing software (the browser).Privacy Policy
NXP products
BMS (Battery Management System)
NXP's battery cell controllers precisely control critical Li-ion cell characteristics (voltage, temp, current) with built-in balancing and extensive diagnostics to eliminate safety hazards. These robust ICs meet automotive and industrial requirements, fully compliant with automotive standards, ideal for BMS, energy storage, and UPS applications.
Battery Management System
18-Channel Li-ion Battery Cell Controller IC
BMA7318-BMI7318-BMA7518
BMA7318 is a Li-ion battery cell controller IC designed for automotive HVBMS, industrial ESS, and 48V applications.
- Monitors up to 18 battery cells and 12 temperatures
- Configurable cell voltage averaging (digital filtering)
- Up to 300mA on-board balancing
- Built-in current measurement
- Built-in communication bridge (SPI2TPL) and robust isolated 2.0Mbps communication
- Extended Mission Profile (EMP) with up to 25-year service life for ESS
- Product family includes pin-compatible BMA7318 and BMI7318 devices
■BMA7318-BMI7318-BMA7518 Block Diagram
18-Channel Li-ion Battery Cell Controller IC, ASIL D
MC33774
MC33774 is an 18-channel battery cell controller IC for demanding applications. Guarantees <2mV voltage measurement error across full temp and cell voltage range over product lifetime. Fully redundant independent architecture achieves ASIL D for cell voltage and temp measurement. Can also monitor bus bars with input voltage range down to -3V.
<Features>
- 4-18 cells per device
- ISO 26262 ASIL D support for cell voltage and temp measurement
- External temp and auxiliary voltage measurement
- On-board passive cell balancing
- Up to 200mA average cell balancing (with diagnostics)
- Automatic odd/even balancing sequence
- Timer, voltage, temp, PWM controlled balancing
- Isolated daisy-chain or SPI communication
- Diagnostics, functional safety, robustness
