MC33771CTA2AE数据手册恩XP中文资料规格书

描述 Description

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

特性 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
• ±0.5% accuracy from milliamps to kiloamps
• 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.

应用 Application

Automotive
•Battery Management System
Industrial

• E-bikes, E-scooters

• Energy Storage Systems (ESS)

• Uninterrupted Power Supply (UPS)