MC33771B_SDS Datasheet Battery cell controller

Manufacturer: NXP Semiconductors

MC33771B_SDS battery cell controller by NXP Semiconductors - Datasheet Preview

Datasheet Details

Part number	MC33771B_SDS
Manufacturer	NXP Semiconductors
File Size	508.20 KB
Description	Battery cell controller
Datasheet	MC33771B_SDS 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.

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.

Overview

MC33771B_SDS Battery cell controller IC Rev.

7.0 — 10 May 2021 Product short data sheet 1.

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.

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