Battery over-voltage protection(Min/Max)(V) : 3.85 and 4.6
Analog IC - Other Type:
INPUT FAULT PROTECTION CONTROLLER
Input Voltage-Max:
20 V
JESD-30 Code:
R-PDSO-N8
JESD-609 Code:
e4
Length:
4 mm
Moisture Sensitivity Level:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Equivalence Code:
SOLCC8,.16,25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
0.8 mm
Supply Current-Max (Isup):
0.002 mA
Supply Voltage-Max (Vsup):
20 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Threshold Voltage-Nom:
+4.2V
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
BQ771604DPJR 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 power and ground planes separate, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise.
To ensure accurate battery monitoring and charging, it's crucial to follow the recommended calibration procedure outlined in the datasheet. Additionally, consider using a high-precision voltage reference and ensuring that the battery voltage sense lines are properly filtered and shielded.
The maximum charging current for the BQ771604DPJR is 4A, but it's essential to consider the thermal limitations and ensure that the device is properly heat-sinked to prevent overheating.
Yes, the BQ771604DPJR supports multiple battery chemistries, including Li-ion, Li-polymer, and NiMH. However, it's essential to configure the device correctly for the specific battery chemistry used, and to ensure that the charging profile is optimized for the chosen chemistry.
The BQ771604DPJR has built-in overcharge protection, which can be enabled by setting the appropriate registers. It's essential to configure the device to detect overcharge conditions and take corrective action, such as reducing the charging current or terminating charging altogether.
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BQ771604DPJR 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.
