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MC33771BSA2AE - Battery cell controller

Download the MC33771BSA2AE datasheet PDF. This datasheet also covers the MC33771B_SDS variant, as both devices belong to the same battery cell controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The 33771 is a SMARTMOS lithium-ion battery cell controller IC designed for automotive applications, such as hybrid electric (HEV) and electric vehicles (EV) along with industrial applications, such as energy storage systems (ESS) and uninterruptible power supply (UPS) systems.

Key Features

  • 9.6 V ≤ VPWR ≤ 63 V operation, 75 V transient.
  • 7 to 14 cells management.
  • Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI.
  • Addressable on initialization.
  • 0.8 mV maximum total voltage measurement error.
  • Synchronized cell voltage/current measurement with coulomb count.
  • Total stack voltage measurement.
  • Seven GPIO/temperature sensor inputs.
  • 5.0 V at 5.0 mA reference supply output.
  • Automatic over/un.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MC33771B_SDS-NXP.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by NXP Semiconductors

Part Number Description
MC33771BSA1AE Battery cell controller
MC33771BSB1AE Battery cell controller
MC33771BSB2AE Battery cell controller
MC33771BSP1AE Battery cell controller
MC33771BSP2AE Battery cell controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MC33771B_SDS Battery cell controller IC Rev. 7.0 — 10 May 2021 Product short data sheet 1 General description The 33771 is a SMARTMOS lithium-ion battery cell controller IC designed for automotive applications, such as hybrid electric (HEV) and electric vehicles (EV) along with industrial applications, such as energy storage systems (ESS) and uninterruptible power supply (UPS) systems. The device performs ADC conversions of the differential cell voltages and current, as well as battery coulomb counting and battery temperature measurements. The information is digitally transmitted through the Serial Peripheral Interface (SPI) or Transformer Isolation (TPL) to a microcontroller for processing. 2 Features • 9.