Datasheet

NXP Semiconductors

FRDM33771BTPLEVB

Featuring the MC33771B battery cell controller IC

User guide Rev. 1.0 — 28 June 2018

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Table 1. MC33771B device features

Device Description Features

MC33771B Battery cell controller • 9.6 V ≤ V

PWR

≤ 61.6 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/undervoltage and temperature detection routable to fault

• Integrated sleep mode over/undervoltage and temperature monitoring

• Onboard 300 mA passive cell balancing with diagnostics

• Hot plug capable

• Detection of internal and external faults, as open lines, shorts, and

leakages

• Designed to support ISO 26262, up to ASIL D safety capability

• Fully compatible with the MC33772 for a maximum of six cells

• Qualified in compliance with AECQ-100

4.5 Board description

The FRDM33771BTPLEVB allows the user to exercise all the functions of the MC33771B

battery controller cell.