OPTIONAL TEMPERATURE MONITORING BEFORE AND DURING CHARGE
Adjustable Threshold:
NO
Analog IC - Other Type:
INTEGRATED POWER MANAGEMENT UNIT
Input Voltage-Max:
13.5 V
Input Voltage-Min:
2.8 V
JESD-30 Code:
S-PDSO-G8
JESD-609 Code:
e4
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Channels:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.07 mm
Supply Voltage-Max (Vsup):
13.5 V
Supply Voltage-Min (Vsup):
2.8 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:
3 mm
BQ24201DGN Frequently Asked Questions (FAQs)
The recommended layout for the BQ24201DGN involves placing the IC close to the battery, using a solid ground plane, and keeping the high-current paths short and wide. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes to minimize noise and ensure proper operation.
The BQ24201DGN can be configured for different charging profiles by adjusting the values of the external resistors connected to the ISET and VREG pins. The ISET pin sets the charging current, while the VREG pin sets the output voltage. The datasheet provides a detailed explanation of how to calculate the required resistor values for different charging profiles.
The EN (enable) pin is used to enable or disable the charging function of the BQ24201DGN. When the EN pin is high, the charger is enabled, and when it's low, the charger is disabled. This pin can be used to implement power management features, such as turning off the charger when the battery is fully charged or when the system is in low-power mode.
The BQ24201DGN has built-in OVP and OCP features to protect the device and the battery from damage. The OVP feature limits the output voltage to a safe level, while the OCP feature limits the charging current to prevent overheating. The datasheet provides more information on the specific thresholds and response times for these protection features.
The BQ24201DGN is specifically designed for charging lithium-ion batteries, and its charging algorithm is optimized for these types of batteries. While it may be possible to use the BQ24201DGN with other types of batteries, it's not recommended, as it may not provide optimal charging performance or safety features. Texas Instruments recommends using the BQ24201DGN only with lithium-ion batteries.
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BQ24201DGN 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.
