Datasheet

NXP Semiconductors

FRDM33772BSPIEVB

Featuring the MC33772B battery cell controller IC

User guide Rev. 1.0 — 22 June 2018

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Table 1. MC33772B device features

Device Description Features

MC33772B Battery cell controller • 5.0 V ≤ VPWR ≤ 30 V operation, 40 V transient

• 3 to 6 cells management

• 0.8 mV total cell voltage measurement error

• Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI

• Addressable on initialization

• Synchronized cell voltage/current measurement with coulomb count

• Total stack voltage measurement

• Seven GPIO/temperature sensor inputs

• 5.0 V reference supply output with 5 mA capability

• Automatic over/undervoltage and temperature detection routable to fault pin

• 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 system

• Fully compatible with the MC33772 for a maximum of 14 cells

• Qualified in compliance with AEC-Q100

4.5 Board description

The FRDM33772BSPIEVB allows the user to exercise all the functions of the MC33772B

battery controller cell.

Figure 2. Board description

Table 2. Board description

Name Description

MC33772B Battery-cell controller IC

4.6 VCOM LED

The VCOM LED is located on the board as shown in Figure 3.