Battery over-voltage protection(Min/Max)(V) : 3.85 and 4.65
Analog IC - Other Type:
BATTERY PROTECTOR
Input Voltage-Max:
25 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:
110 °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):
25 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:
+4.275V
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
BQ771801DPJR 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, use a high-precision voltage reference, and consider the effects of temperature and aging on the battery. Additionally, implement a robust charging algorithm that takes into account the battery's chemistry, capacity, and health.
The internal voltage regulator has a limited current capability and may not be suitable for high-power applications. It's essential to consider the power requirements of your design and ensure the internal regulator can provide the necessary voltage and current. If not, an external regulator may be required.
The POR and BOR features are designed to ensure the device powers up correctly and recovers from brown-out conditions. To handle these features, ensure that your design includes a suitable power-up sequence, and consider adding external circuitry to debounce the reset signal and prevent unwanted resets.
The BQ771801DPJR is rated for operation up to 85°C, but high temperatures can affect its performance and accuracy. Consider the thermal design of your system, ensure good heat dissipation, and take into account the device's temperature coefficients when designing your application.
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BQ771801DPJR 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.
