深圳市中立信电子科技有限公司

MC33771BSP1AE

电池管理 Battery Cell Controller, Generic B, 14 Channels, SPI, LQFP64, Reel

The MC33664 transformer physical layer and MC33771 battery cell controller solution enable reliable, safe low-cost Li-ion cell control applications with affordable, robust and high-speed isolated communication.

These fully integrated battery monitoring devices are for automotive and industrial mission-critical applications. Battery topology flexibility is supported with compatibility including 48 V batteries with one analog front end (AFE).

AUTOMOTIVE APPLICATIONS MC33771BSP1AE

} High-voltage battery management systems (> 800 V)

} 48 V battery management systems

INDUSTRIAL APPLICATIONS MC33771BSP1AE

} Energy storage systems (ESS)

} Uninterrupted power supply (UPS)

} E-bikes, E-scooters

FEATURES MC33771BSP1AE

} 9.6 V ≤ VPWR ≤ 61.6 V operation, 75 V transient

} Isolated 2 Mbps differential communication or

4 Mbps SPI

} 14 x differential cells voltage and stack voltage

measurements

} High-precision current measurement (+/- 1500 A) with

low resolution

} Coulomb counter

} Synchronized cell voltage/current measurement

100 μs skew

} 7 x ADC/GPIO/temperature sensor inputs

} Addressable on initialization

} Onboard 300 mA passive cell balancing low ohmic

MOSFETS with diagnostics

} Low-power modes

} 64-pin LQFP package

} Designed to support ISO 26262, up to ASIL D

safety capability