What is the Additional Feature ?

Name: MC33771BTA1AE
Brand: NXP USA Inc.
SKU: MC33771BTA1AE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. MC33771BTA1AE

Part No.:: MC33771BTA1AE

Manufacturer:: NXP USA Inc.

Package:: 64-LQFP Exposed Pad

Datasheet:: MC33771BTA1AE.pdf

Description:: IC BAT CNTRL LI-ION 7-14C 64LQFP

In Stock:: 3652

Quantity:: Add To Cart

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MC33771BTA1AE Specifications

Packaging:
Tray
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Function:
Battery Cell Controller
BatteryChemistry:
Lithium Ion
NumberofCells:
7 ~ 14
FaultProtection:
Over/Under Voltage
Interface:
SPI
OperatingTemperature:
-40°C ~ 105°C (TA)
MountingType:
Surface Mount

MC33771BTA1AE this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MC33771BTA1AE price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MC33771BTA1AE to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MC33771BTA1AE information

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MC33771BTA1AE Typical application Circuitry

MC33771BTA1AE

MC33771BTA1AE is a Battery Cell Controller IC designed by NXP Semiconductors, primarily intended for lithium-ion battery management in applications such as electric vehicles (EVs), hybrid electric vehicles (HEVs), and large-scale energy storage systems.

Application Scenarios

MC33771BTA1AE is adept at managing battery packs in electric vehicles, energy storage systems, and any application that requires precise monitoring and management of multiple lithium-ion cells.Because of its capabilities, it is a crucial part of battery management systems (BMS), which guarantee the effectiveness and safety of the battery pack.

Parameter Features

- Cell Monitoring: Capable of monitoring up to 14 lithium-ion cells in series, providing critical data such as voltage, temperature, and state of charge (SOC).

- Balancing Functionality: To maximize battery performance and lengthen its lifespan, active and passive cell balancing is included.

- Communication Interface: Equipped with a daisy-chainable SPI interface for communication within the battery management system.

- High Accuracy: Offers high-precision voltage measurement for each cell, crucial for the reliable operation of the battery pack.

Specific Application Scenario and Circuit Connection

Focusing on the integration of MC33771BTA1AE in an Electric Vehicle Battery Management System:

- Cell Voltage Monitoring: Connect the CELLx pins (where x ranges from 1 to 14) of MC33771BTA1AE directly to the positive terminal of each battery cell. The IC can keep an eye on the voltage of each individual cell thanks to these connections.

- Temperature Sensing: Attach external temperature sensors to the designated GPIO pins configured as temperature inputs. These sensors should be placed in close proximity to the battery cells to accurately monitor their temperature.

- SPI Communication Bus: Utilize the SPI interface for communication between MC33771BTA1AE and the main BMS controller. The CSB, SCLK, SDI, and SDO pins facilitate this serial communication, allowing for real-time data exchange and control commands.

- Power Supply and Grounding: Connect the VPRE pin to a pre-regulated supply voltage, ensuring MC33771BTA1AE is powered correctly. Ground connections must be solid and low-impedance, especially in high-current applications like EV battery packs.

Design Considerations

When designing circuits with MC33771BTA1AE, several key factors must be considered:

- Isolation: Given the high voltages present in EV battery packs, ensure proper electrical isolation between the MC33771BTA1AE and low-voltage circuits, particularly in the communication interfaces.

- Signal Integrity: Maintain short and direct paths for cell voltage sensing wires to minimize noise and ensure accurate cell voltage readings.

- Thermal Management: Implement adequate cooling for MC33771BTA1AE, considering it may be subjected to high ambient temperatures within the battery pack.

- EMI/EMC Compliance: Design the PCB layout to minimize electromagnetic interference, ensuring reliable operation in the electromagnetically complex environment of an electric vehicle.

Incorporating MC33771BTA1AE into a battery management system involves careful consideration of electrical isolation, signal integrity, thermal management, and EMC compliance to ensure safe and efficient operation of the battery pack.

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6. What is the process for return or replacement of MC33771BTA1AE?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MC33771BTA1AE we delivered, we will accept the replacement or return of the MC33771BTA1AE only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MC33771BTA1AE.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations