Parameters |
Contact Plating |
Gold |
Mounting Type |
Surface Mount |
Package / Case |
28-VFQFN Exposed Pad |
Surface Mount |
YES |
Number of Pins |
28 |
Weight |
70.788759mg |
Operating Temperature |
-40°C~125°C TJ |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e4 |
Part Status |
Not For New Designs |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
28 |
ECCN Code |
EAR99 |
HTS Code |
8542.39.00.01 |
Subcategory |
Power Management Circuits |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
20V |
Terminal Pitch |
0.5mm |
Base Part Number |
BQ24745 |
Pin Count |
28 |
Output Voltage |
19.2V |
Number of Channels |
1 |
Interface |
I2C |
Max Supply Voltage |
24V |
Min Supply Voltage |
7V |
Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
Output Current |
8A |
Adjustable Threshold |
YES |
Min Input Voltage |
7V |
Fault Protection |
Over Voltage |
Battery Chemistry |
Multi-Chemistry |
Number of Cells |
2 ~ 4 |
Switching Frequency |
300kHz |
Current - Charging |
Constant - Programmable |
Charge Current - Max |
8.064A |
Battery Pack Voltage |
19.2V Max |
Height Seated (Max) |
1mm |
Length |
5mm |
Width |
5mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
BQ24745RHDRG4 Overview
There is a package called Tape & Reel (TR) that contains this item.For convenience, it is included in the 28-VFQFN Exposed Pad package.A mounting type of Surface Mount has been specified for this device.It is best to set the temperature to -40°C~125°C TJ in order to prevent the system from overheating.It provides its functionality by using an analog IC called POWER SUPPLY SUPPORT CIRCUIT.Charge the device by providing it with Constant - Programmable current.The base part number BQ24745 can be used to locate related parts for this device.It is possible to find a total of 28 terminations.A battery pack is going to have a voltage of 19.2V Max.The device consists of 28 pins, which are arranged in a row.On the device, it is listed as having a charge current of 8.064A.In order for the product to be functional, it requires that you connect the 28 pins according to the instructions.There are a total of 1 channels available for use in this application.Power can be provided by a battery with 20V.24V supply voltage is not a problem for it.Using a 19.2V output voltage results in high efficiency.In order to operate, it must have a current of 8A at the output.This device belongs to the subcategory of Power Management Circuits.It is capable of functioning at a voltage as low as possible, for example 7V voltage for this circuit is used.The input voltage is set to 7V volts.With 300kHz switching frequency, the part operates.
BQ24745RHDRG4 Features
Battery pack voltage of 19.2V Max
1 channels
Power Management Circuits subcategory
Switching frequency of 300kHz
28-VFQFN Exposed Pad package
BQ24745RHDRG4 Applications
There are a lot of Texas Instruments BQ24745RHDRG4 Battery Chargers ICs applications.
- Crosswalk marker lights
- Solar charging
- Smart speakers
- Wearables
- Modern LA
- Ruggedized notebooks/tablet computers
- Automotive battery charger circuits
- Automotive electronics
- Industrial
- Electric lift car