FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel):
260
Screening Level:
AEC-Q100
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
7 mm
BQ79731PHPRQ1 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good design practices, such as keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling. Additionally, ensure the layout is symmetrical and balanced to reduce electromagnetic interference (EMI).
The BQ79731PHPRQ1 is designed to work with various battery chemistries, including Li-ion, Li-polymer, and Lead-Acid. To configure the device for a specific chemistry, you need to adjust the voltage and current settings using the internal registers. Refer to the datasheet and application notes for specific configuration details.
The BQ79731PHPRQ1 can support up to 16 series-connected cells. However, it's essential to ensure that the total voltage does not exceed the maximum rating of 64V. Additionally, the device can handle a maximum of 256 cells in total (16 series x 16 parallel).
The BQ79731PHPRQ1 has built-in cell balancing capabilities. To implement cell balancing, you need to connect the cell balancing resistors to the device's balancing pins. The device will then automatically balance the cells based on the voltage differences. Refer to the datasheet and application notes for specific implementation details.
The BQ79731PHPRQ1 uses a complex algorithm to calculate the state-of-charge (SOC) based on various factors, including voltage, current, and temperature. The accuracy of the SOC calculation is typically within ±5% over the entire operating range. However, this can vary depending on the specific application and battery characteristics.
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BQ79731PHPRQ1 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
