OVER VOLTAGE AND UNDER VOLTAGE THRESHOLD IS 4.175 AND 2.8V
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:
+4.175,2.8V
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
BQ7790512PW 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 sense lines short and away from noise sources, using a solid ground plane, and placing the device close to the battery.
Calibration involves setting the device's internal registers to match the specific battery characteristics. TI provides a calibration guide and software tools, such as the Fuel Gauge Calibration Tool, to help with this process.
The BQ7790512PW has an SOC accuracy of ±5% over the entire operating range, making it suitable for most battery-powered applications. However, this accuracy can be affected by factors like battery age, temperature, and charging/discharging patterns.
Yes, the BQ7790512PW supports various battery chemistries, including Li-ion, Li-polymer, and NiMH. However, you may need to adjust the device's internal registers and calibration settings to accommodate the specific battery characteristics.
The BQ7790512PW has a built-in mechanism to compensate for battery self-discharge, which helps maintain an accurate SOC measurement. However, it's essential to follow TI's guidelines for setting the self-discharge rate and adjusting the device's internal registers accordingly.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
BQ7790512PW Overview
Use the download button to access the BQ7790512PW schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ779,
or try a keyword search, such as Power Management Circuits
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.
