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BQ40Z50RSMR-R2 датащи(PDF) 23 Page - Texas Instruments

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номер детали BQ40Z50RSMR-R2
подробное описание детали  1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  51 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

BQ40Z50RSMR-R2 датащи(HTML) 23 Page - Texas Instruments

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bq40z50-R2
www.ti.com
SLUSCS4 – JUNE 2017
Product Folder Links: bq40z50-R2
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
8.3 Feature Description
8.3.1 Primary (1st Level) Safety Features
The bq40z50-R2 supports a wide range of battery and system protection features that can easily be configured.
See the bq40z50-R2 Technical Reference Manual (SLUUBK0) for detailed descriptions of each protection
function.
The primary safety features include:
•
Cell Overvoltage Protection
•
Cell Undervoltage Protection
•
Cell Undervoltage Protection Compensated
•
Overcurrent in Charge Protection
•
Overcurrent in Discharge Protection
•
Overload in Discharge Protection
•
Short Circuit in Charge Protection
•
Short Circuit in Discharge Protection
•
Overtemperature in Charge Protection
•
Overtemperature in Discharge Protection
•
Undertemperature in Charge Protection
•
Undertemperature in Discharge Protection
•
Overtemperature FET protection
•
Precharge Timeout Protection
•
Host Watchdog Timeout Protection
•
Fast Charge Timeout Protection
•
Overcharge Protection
•
Overcharging Voltage Protection
•
Overcharging Current Protection
•
Over Precharge Current Protection
8.3.2 Secondary (2nd Level) Safety Features
The secondary safety features of the bq40z50-R2 can be used to indicate more serious faults via the FUSE pin.
This pin can be used to blow an in-line fuse to permanently disable the battery pack from charging or
discharging. See the bq40z50-R2 Technical Reference Manual (SLUUBK0) for detailed descriptions of each
protection function.
The secondary safety features provide protection against:
•
Safety Overvoltage Permanent Failure
•
Safety Undervoltage Permanent Failure
•
Safety Overtemperature Permanent Failure
•
Safety FET Overtemperature Permanent Failure
•
Qmax Imbalance Permanent Failure
•
Impedance Imbalance Permanent Failure
•
Capacity Degradation Permanent Failure
•
Cell Balancing Permanent Failure
•
Fuse Failure Permanent Failure
•
PTC Permanent Failure
•
Voltage Imbalance At Rest Permanent Failure
•
Voltage Imbalance Active Permanent Failure
•
Charge FET Permanent Failure
•
Discharge FET Permanent Failure
•
AFE Register Permanent Failure
•
AFE Communication Permanent Failure



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