Battery over-voltage protection(Min/Max)(V) : 4.325 and 4.375
Adjustable Threshold:
NO
Analog IC - Other Type:
SECONDARY BATTERY PROTECTOR
Input Voltage-Max:
25 V
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e4
Length:
2.95 mm
Moisture Sensitivity Level:
1
Number of Channels:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
110 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
LSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.3 mm
Supply Voltage-Max (Vsup):
25 V
Supply Voltage-Min (Vsup):
4 V
Supply Voltage-Nom (Vsup):
14 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
Time@Peak Reflow Temperature-Max (s):
30
Width:
2.8 mm
BQ29410DCTT Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for high-frequency PCB design, such as keeping the power traces short and wide, using a solid ground plane, and minimizing vias and thermal reliefs.
The sense resistor value depends on the maximum current and voltage of your application. A general rule of thumb is to choose a sense resistor value that results in a voltage drop of around 50-100 mV at the maximum current. You can use the formula Rsense = (VREF / Imax) to calculate the sense resistor value, where VREF is the internal reference voltage (typically 50 mV) and Imax is the maximum current.
The EN (enable) pin is used to turn the device on or off. When the EN pin is high, the device is enabled and operates normally. When the EN pin is low, the device is disabled and enters a low-power state. You can use the EN pin to implement power-saving modes or to turn the device off during periods of inactivity.
The BQ29410DCTT has built-in OCP and SCP features. When an overcurrent or short-circuit condition is detected, the device will limit the current or shut down to prevent damage. You should ensure that your design can handle the fault conditions and provide a safe shutdown mechanism. You may also want to consider adding external protection components, such as fuses or PTC resistors, to provide additional protection.
The recommended input capacitor value is typically in the range of 10-22 uF, and the type should be a low-ESR ceramic capacitor. The input capacitor helps to filter out noise and ripple on the input voltage and ensures stable operation of the device.
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BQ29410DCTT 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.
