OVER VOLTAGE AND UNDER VOLTAGE THRESHOLD IS 4.25 AND 2.7V
Adjustable Threshold:
NO
Analog IC - Other Type:
BATTERY MONITOR/PROTECTOR
Input Voltage-Max:
25 V
JESD-30 Code:
R-PDSO-G20
JESD-609 Code:
e4
Length:
6.5 mm
Moisture Sensitivity Level:
2
Number of Channels:
5
Number of Functions:
1
Number of Terminals:
20
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.2 mm
Supply Voltage-Max (Vsup):
25 V
Supply Voltage-Min (Vsup):
3 V
Supply Voltage-Nom (Vsup):
20 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Threshold Voltage-Nom:
+4.25,2.7V
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
BQ7790511PWR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the application note SLUA751, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and reliability.
The BQ7790511PWR is a flexible gas gauge IC that can be configured for various battery chemistries using the TI-provided software tools, such as the Battery Management Studio (BMS) or the Fuel Gauge Designer. These tools allow you to customize the gauge's behavior, including the voltage and current thresholds, to match your specific battery requirements.
The BQ7790511PWR provides an accurate SOC measurement with an error of ±5% over the entire operating range, thanks to its advanced algorithms and calibration capabilities. However, the actual accuracy may vary depending on the specific battery type, age, and operating conditions.
Yes, the BQ7790511PWR can be used with battery packs that have multiple cells in parallel. However, you will need to ensure that the total capacity of the parallel cells is within the IC's supported range (up to 256 Ah) and that the cells are properly balanced to avoid any safety issues.
The BQ7790511PWR provides a built-in overcharge protection feature that can be configured using the TI-provided software tools. You can set the overcharge voltage and current thresholds, as well as the protection timeout, to ensure that the battery is protected from overcharging. Additionally, you can use the IC's interrupt outputs to trigger external protection circuits or alarms.
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BQ7790511PWR 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.
