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MC33771CTA1AE
  • MC33771CTA1AE

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MC33771CTA1AE Overview

The MC33771C is a Li-Ion battery cell controller IC designed for automotive and industrial applications such as HEV, EV, ESS, UPS systems. Featuring:ADC conversions on the differential cell voltages with averaging up to 256 samples and currents as well as coulomb counting and temperature measurements.Embedded balancing transistors and diagnostics to simplify applications.Support standard SPI and transformer isolated daisy chain communication (with MC33664) to an MCU for processing and control up to 63 nodes in one daisy chain.Loopback support for one daisy chain
MC33771CTA1AE
Image Thumbnail - MC33771C Chip Shot MC33771 and MC33664 High-Voltage Battery Management System

Features

  • Supply Voltage
  • 9.6 V ≤ VPWR ≤ 61.6 V operation, 75 V transient
  • Advanced Voltage and Temperature Measurement
  • 14 Cell Voltage Measurement Channels with integrated averaging possible up to 256 samples – (no averaging for MC33771B)
  • Total Stack Voltage Measurement
  • 0.8 mV maximum total voltage measurement error
  • 7 ADC/GPIO/Temperature Sensor Inputs
  • Synchronized Advanced Current Measurement
  • Integrated Current sensor with PGA
  • Integrated Coulomb Counter
  • Onboard Passive Balancing
  • Onboard 300mA Low Rdson passive cell balancing MOSFETs with diagnostics
  • Balancing in Sleep mode
  • Programmable balancing timer for each MOSFET
  • Isolated Daisy Chain or SPI Communication
  • 2.0 Mbps, 2 wire twisted pair differential, isolated
  • Inductive and capacitive coupling support –(only transformer coupling for MC33771B)
  • Up to 63 nodes in one daisy chain – (15 nodes for MC33771B)
  • Loopback support for 1 daisy chain – (no loopback capability for MC33771B)
  • Addressable on initialization
  • 4 Mbps SPI
  • Diagnostics, Functional Safety and Robustness
  • OV/UV, OT/UT, OC fault verification
  • Sleep mode OV/UV, OT/UT monitoring
  • Support ISO 26262, up to ASIL D safety capability
  • Hot plug capable and AEC Q-100
  • Product Longevity Program
  • This product is included in the NXP Product Longevity program ensuring a stable supply of products for your embedded designs. MC33771C is included in the 15-year program.

Applications

  • Automotive
  • Battery Management System (BMS)

Product Parameters

  • Cell Voltage Measurement Channel

    7 to 14

  • Cell Balancing

    yes

  • Isolated Daisy Chain Communication (TPL)

    yes

  • SPI Communication

    Yes

  • Cell OV/UV

    yes

  • Coulomb Count

    no

  • Precision GPIO

    Yes

  • Ambient Operating Temperature (Min to Max) (℃)

    -40 to 105

Technical Documents

  • MC33771C Battery cell controller IC - Product BriefDetails>>

Other distributor's price

Distributor Part # Mfg. Description Price
arrow MC33771CTA1AE NXP Semiconductors Battery Controller Li-Ion Automotive 64-Pin HLQFP EP T/R

1500---$12.3430

3000---$12.2200

6000---$12.0980

9000---$11.9770

12000---$11.8570

15000---$11.7390

24000---$11.6210

30000---$11.5050

45000---$11.3900

future MC33771CTA1AE NXP Semiconductors MC33771C Series 14-Ch SMARTMOS Lithium-Ion Battery Cell Controller IC - LQFP-64

1500---$10.0900

mouser MC33771CTA1AE NXP Semiconductors Battery Management Battery Cell Controller, Advanced, 14 Channels, TPL, LQFP64

1500---$12.9100

newark MC33771CTA1AE NXP Semiconductors Battery Cell Controller, Advanced, 14 Channels, Tpl, Lqfp64/Reel Rohs Compliant: Yes |Nxp MC33771CTA1AER2

1500---$16.9200

avnet MC33771CTA1AE NXP Semiconductors - Tape and Reel (Alt: MC33771CTA1AER2)

1500---$11.5401

3000---$11.2980

6000---$10.9752

9000---$10.8138

12000---$10.5717

15000---$10.3296

150000---$10.0068