Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Product Details
Customization: Available
Conductive Type: Bipolar Integrated Circuit
Integration: MSI
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  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
  • Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.
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Basic Info.

Model NO.
BQ79631-Q1
Package/Pins
Vssop (Dgk) 8
Rating
Catalog
RoHS
Yes
Reach
Yes
Operating Temperature Range (°c)
-40 to 125
shape
Flat
Transport Package
2, 500 Large T&R
Specification
14.7 mm² 3 x 4.9
Trademark
TI
HS Code
8542399000
Production Capacity
60000

Product Description

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Quality information

RatingAutomotive
RoHSYes
REACHYes
Lead finish / Ball materialNIPDAU
MSL rating / Peak reflowLevel-3-260C-168 HR

Packaging information

Package | PinsHTQFP (PAP) | 64
Operating temperature range (°C)-40 to 125
Package qty | Carrier1,000 | LARGE T&R

Features for the BQ79631-Q1

  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: -40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • Differential voltage measurements with integrated filtering
    • Pack+ , Fuse, Link±, Charge± measure
    • Isolation resistance voltage measurement
  • Integrated precision current measurement
    • Support low-side shunt resistor
  • Insulation resistance monitoring capability
  • 8 GPIO inputs as IO, SPI, ADC, and temperature sense
  • Isolated differential daisy-chain communication with optional ring architecture
    • Simplifies BJB/BDU system by eliminating safety MCU, CAN transceivers, and multi-wire interface
  • UART host interface
  • Synchronized current and voltage measurements
  • Stackable as well as syncs with other cell and UI monitors 16S (BQ79616-Q1, BQ79656-Q1), 14S (BQ79614-Q1, BQ79654-Q1), 12S (BQ79612-Q1, BQ79652-Q1) and BQ79631
  • Built-in SPI master

Description for the BQ79631-Q1

BQ79631-Q1 provides high-accuracy measurement capable of measuring divided down voltages from high voltage nodes such as Pack+ (HV Battery Positive terminal), Fuse, Charge (Port), Link (Load) in a battery junction box (BJB) or battery disconnect unit (BDU) system. Key voltage measurements can make use of the integrated digital low-pass filters. The device has a highly accurate integrated current sense ADC capable of measuring current in low-side shunt resistor. The device is capable of measuring the insulation resistance with internal ADC and able to control any switching scheme needed for this measurement. There are eight GPIOs/auxillary inputs that can be used for thermistor measurement, driving relays, measuring voltages, and being a master SPI interface to peripheral SPI devices. The isolated bi-directional daisy-chain ports support both capacitor or transformer based isolation. The device also supports communication over UART.

Host communication to the BQ79631-Q1 can be connected via the device's dedicated UART interface or through a communication bridge device, BQ79600-Q1. Additionally, an isolated, differential daisy-chain communication interface allows the host to communicate with the other UIR monitors and even cell monitors over a single interface. In the event of a communication line break, the daisy-chain communication interface is configurable to a ring architecture that allows the host to talk to devices at either end of the stack.

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

Ti Bq79631-Q1 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.












 

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